Opened 4 years ago

Closed 4 years ago

#5676 closed defect (can't reproduce)

Crash getting cursor position during mouse pause

Reported by: jean-marc.jeckelmann@… Owned by: Tom Goddard
Priority: normal Milestone:
Component: General Controls Version:
Keywords: Cc: Eric Pettersen
Blocked By: Blocking:
Notify when closed: Platform: all
Project: ChimeraX

Description 

The following bug report has been submitted:
Platform:        macOS-10.16-x86_64-i386-64bit
ChimeraX Version: 1.3rc202111240110 (2021-11-24 01:10:40 UTC)
Description
Last time you used ChimeraX it crashed.
Please describe steps that led to the crash here.
Fatal Python error: Bus error

Current thread 0x00000002002b8e00 (most recent call first):
  File "/private/var/folders/q1/80r19qpj4818l0mystd4hgt40000gp/T/AppTranslocation/4D51A29E-868F-49ED-9D0C-A8D6C23C77CD/d/ChimeraX-1.2.5.app/Contents/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/site-packages/chimerax/mouse_modes/mousemodes.py", line 514 in _cursor_position
  File "/private/var/folders/q1/80r19qpj4818l0mystd4hgt40000gp/T/AppTranslocation/4D51A29E-868F-49ED-9D0C-A8D6C23C77CD/d/ChimeraX-1.2.5.app/Contents/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/site-packages/chimerax/mouse_modes/mousemodes.py", line 472 in mouse_pause_tracking
  File "/private/var/folders/q1/80r19qpj4818l0mystd4hgt40000gp/T/AppTranslocation/4D51A29E-868F-49ED-9D0C-A8D6C23C77CD/d/ChimeraX-1.2.5.app/Contents/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/site-packages/chimerax/core/updateloop.py", line 139 in _redraw_timer_callback
  File "/private/var/folders/q1/80r19qpj4818l0mystd4hgt40000gp/T/AppTranslocation/4D51A29E-868F-49ED-9D0C-A8D6C23C77CD/d/ChimeraX-1.2.5.app/Contents/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/site-packages/chimerax/ui/gui.py", line 293 in event_loop
  File "/private/var/folders/q1/80r19qpj4818l0mystd4hgt40000gp/T/AppTranslocation/4D51A29E-868F-49ED-9D0C-A8D6C23C77CD/d/ChimeraX-1.2.5.app/Contents/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/site-packages/ChimeraX_main.py", line 866 in init
  File "/private/var/folders/q1/80r19qpj4818l0mystd4hgt40000gp/T/AppTranslocation/4D51A29E-868F-49ED-9D0C-A8D6C23C77CD/d/ChimeraX-1.2.5.app/Contents/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/site-packages/ChimeraX_main.py", line 1015 in 
  File "/private/var/folders/q1/80r19qpj4818l0mystd4hgt40000gp/T/AppTranslocation/4D51A29E-868F-49ED-9D0C-A8D6C23C77CD/d/ChimeraX-1.2.5.app/Contents/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/runpy.py", line 87 in _run_code
  File "/private/var/folders/q1/80r19qpj4818l0mystd4hgt40000gp/T/AppTranslocation/4D51A29E-868F-49ED-9D0C-A8D6C23C77CD/d/ChimeraX-1.2.5.app/Contents/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/runpy.py", line 194 in _run_module_as_main


Process:               ChimeraX [11247]
Path:                  /private/var/folders/*/ChimeraX-1.2.5.app/Contents/MacOS/ChimeraX
Identifier:            edu.ucsf.cgl.ChimeraX
Version:               1.2.5 (1.2.5.0)
Code Type:             X86-64 (Translated)
Parent Process:        ??? [1]
Responsible:           ChimeraX [11247]
User ID:               502

Date/Time:             2021-11-24 16:26:34.115 +0100
OS Version:            macOS 11.6.1 (20G224)
Report Version:        12
Anonymous UUID:        14D735B6-6836-1D3F-D3B2-CF98CDEE5E77


Time Awake Since Boot: 7800 seconds

System Integrity Protection: enabled

Crashed Thread:        0  CrBrowserMain  Dispatch queue: com.apple.main-thread

Exception Type:        EXC_BAD_ACCESS (SIGBUS)
Exception Codes:       KERN_MEMORY_ERROR at 0x000000014707e020
Exception Note:        EXC_CORPSE_NOTIFY

VM Regions Near 0x14707e020:
    shared memory               146f2c000-146f34000    [   32K] r--/r-- SM=SHM  
--> mapped file                 146f34000-1470a3000    [ 1468K] r-x/rwx SM=COW  Object_id=28270bc7
    mapped file                 1470a3000-1470bb000    [   96K] rw-/rwx SM=COW  Object_id=2724dcc7

Thread 0 Crashed:: CrBrowserMain  Dispatch queue: com.apple.main-thread
0   ???                           	0x00007ffe946568f4 ???
1   libsystem_kernel.dylib        	0x00007fff203f792e __pthread_kill + 10
2   libsystem_c.dylib             	0x00007fff2030abd5 raise + 26
3   libsystem_platform.dylib      	0x00007fff2046bd7d _sigtramp + 29
4   select.cpython-38-darwin.so   	000000000000000000 0 + 0
5   ???                           	0x0000600000de65f0 ???

Thread 1:: com.apple.rosetta.exceptionserver
0   runtime                       	0x00007ffdffbe2a28 0x7ffdffbde000 + 18984
1   runtime                       	0x00007ffdffbe7eec 0x7ffdffbde000 + 40684
2   runtime                       	0x00007ffdffbe92c0 0x7ffdffbde000 + 45760

Thread 2:
0   ???                           	0x00007ffe946568f4 ???
1   libsystem_kernel.dylib        	0x00007fff203f3cde __psynch_cvwait + 10
2   ???                           	0x000000010a6f827b ???
3   libsystem_pthread.dylib       	0x00007fff204268fc _pthread_start + 224
4   libsystem_pthread.dylib       	0x00007fff20422443 thread_start + 15

Thread 3:
0   ???                           	0x00007ffe946568f4 ???
1   libsystem_kernel.dylib        	0x00007fff203f3cde __psynch_cvwait + 10
2   ???                           	0x000000010a6f827b ???
3   libsystem_pthread.dylib       	0x00007fff204268fc _pthread_start + 224
4   libsystem_pthread.dylib       	0x00007fff20422443 thread_start + 15

Thread 4:
0   ???                           	0x00007ffe946568f4 ???
1   libsystem_kernel.dylib        	0x00007fff203f3cde __psynch_cvwait + 10
2   ???                           	0x000000010a6f827b ???
3   libsystem_pthread.dylib       	0x00007fff204268fc _pthread_start + 224
4   libsystem_pthread.dylib       	0x00007fff20422443 thread_start + 15

Thread 5:
0   ???                           	0x00007ffe946568f4 ???
1   libsystem_kernel.dylib        	0x00007fff203f3cde __psynch_cvwait + 10
2   ???                           	0x000000010a6f827b ???
3   libsystem_pthread.dylib       	0x00007fff204268fc _pthread_start + 224
4   libsystem_pthread.dylib       	0x00007fff20422443 thread_start + 15

Thread 6:
0   ???                           	0x00007ffe946568f4 ???
1   libsystem_kernel.dylib        	0x00007fff203f3cde __psynch_cvwait + 10
2   ???                           	0x000000010a6f827b ???
3   libsystem_pthread.dylib       	0x00007fff204268fc _pthread_start + 224
4   libsystem_pthread.dylib       	0x00007fff20422443 thread_start + 15

Thread 7:
0   ???                           	0x00007ffe946568f4 ???
1   libsystem_kernel.dylib        	0x00007fff203f3cde __psynch_cvwait + 10
2   ???                           	0x000000010a6f827b ???
3   libsystem_pthread.dylib       	0x00007fff204268fc _pthread_start + 224
4   libsystem_pthread.dylib       	0x00007fff20422443 thread_start + 15

Thread 8:
0   ???                           	0x00007ffe946568f4 ???
1   libsystem_kernel.dylib        	0x00007fff203f3cde __psynch_cvwait + 10
2   ???                           	0x000000010a6f827b ???
3   libsystem_pthread.dylib       	0x00007fff204268fc _pthread_start + 224
4   libsystem_pthread.dylib       	0x00007fff20422443 thread_start + 15

Thread 9:
0   runtime                       	0x00007ffdffc007c8 0x7ffdffbde000 + 141256

Thread 10:
0   runtime                       	0x00007ffdffc007c8 0x7ffdffbde000 + 141256

Thread 11:
0   ???                           	0x00007ffe946568f4 ???
1   libsystem_kernel.dylib        	0x00007fff203f3cde __psynch_cvwait + 10
2   ???                           	0x000000014c31f2eb ???
3   libsystem_pthread.dylib       	0x00007fff204268fc _pthread_start + 224
4   libsystem_pthread.dylib       	0x00007fff20422443 thread_start + 15

Thread 12:
0   ???                           	0x00007ffe946568f4 ???
1   libsystem_kernel.dylib        	0x00007fff203f3cde __psynch_cvwait + 10
2   ???                           	0x000000014c31f2eb ???
3   libsystem_pthread.dylib       	0x00007fff204268fc _pthread_start + 224
4   libsystem_pthread.dylib       	0x00007fff20422443 thread_start + 15

Thread 13:
0   ???                           	0x00007ffe946568f4 ???
1   libsystem_kernel.dylib        	0x00007fff203f3cde __psynch_cvwait + 10
2   ???                           	0x000000014c31f2eb ???
3   libsystem_pthread.dylib       	0x00007fff204268fc _pthread_start + 224
4   libsystem_pthread.dylib       	0x00007fff20422443 thread_start + 15

Thread 14:
0   ???                           	0x00007ffe946568f4 ???
1   libsystem_kernel.dylib        	0x00007fff203f3cde __psynch_cvwait + 10
2   ???                           	0x000000014c31f2eb ???
3   libsystem_pthread.dylib       	0x00007fff204268fc _pthread_start + 224
4   libsystem_pthread.dylib       	0x00007fff20422443 thread_start + 15

Thread 15:
0   ???                           	0x00007ffe946568f4 ???
1   libsystem_kernel.dylib        	0x00007fff203f3cde __psynch_cvwait + 10
2   ???                           	0x000000014c31f2eb ???
3   libsystem_pthread.dylib       	0x00007fff204268fc _pthread_start + 224
4   libsystem_pthread.dylib       	0x00007fff20422443 thread_start + 15

Thread 16:
0   ???                           	0x00007ffe946568f4 ???
1   libsystem_kernel.dylib        	0x00007fff203f3cde __psynch_cvwait + 10
2   ???                           	0x000000014c31f2eb ???
3   libsystem_pthread.dylib       	0x00007fff204268fc _pthread_start + 224
4   libsystem_pthread.dylib       	0x00007fff20422443 thread_start + 15

Thread 17:
0   ???                           	0x00007ffe946568f4 ???
1   libsystem_kernel.dylib        	0x00007fff203f3cde __psynch_cvwait + 10
2   ???                           	0x000000014c31f2eb ???
3   libsystem_pthread.dylib       	0x00007fff204268fc _pthread_start + 224
4   libsystem_pthread.dylib       	0x00007fff20422443 thread_start + 15

Thread 18:: ThreadPoolServiceThread
0   ???                           	0x00007ffe946568f4 ???
1   libsystem_kernel.dylib        	0x00007fff203fa1d2 kevent64 + 10
2   ???                           	0x000000012a59dcc7 ???
3   ???                           	0x000000012a52662b ???
4   ???                           	0x000000012a4ea7cb ???
5   ???                           	0x000000012a531a94 ???
6   ???                           	0x000000012a545a7d ???
7   ???                           	0x000000012a58ee07 ???
8   libsystem_pthread.dylib       	0x00007fff204268fc _pthread_start + 224
9   libsystem_pthread.dylib       	0x00007fff20422443 thread_start + 15

Thread 19:: ThreadPoolForegroundWorker
0   ???                           	0x00007ffe946568f4 ???
1   libsystem_kernel.dylib        	0x00007fff203f12ba mach_msg_trap + 10
2   ???                           	0x000000012a593492 ???
3   ???                           	0x000000012a53b778 ???
4   ???                           	0x000000012a53c150 ???
5   ???                           	0x000000012a53bcd4 ???
6   ???                           	0x000000012a58ee07 ???
7   libsystem_pthread.dylib       	0x00007fff204268fc _pthread_start + 224
8   libsystem_pthread.dylib       	0x00007fff20422443 thread_start + 15

Thread 20:: ThreadPoolBackgroundWorker
0   ???                           	0x00007ffe946568f4 ???
1   libsystem_kernel.dylib        	0x00007fff203f12ba mach_msg_trap + 10
2   ???                           	0x000000012a593492 ???
3   ???                           	0x000000012a53b778 ???
4   ???                           	0x000000012a53be3d ???
5   ???                           	0x000000012a53bc44 ???
6   ???                           	0x000000012a58ee07 ???
7   libsystem_pthread.dylib       	0x00007fff204268fc _pthread_start + 224
8   libsystem_pthread.dylib       	0x00007fff20422443 thread_start + 15

Thread 21:: Chrome_IOThread
0   ???                           	0x00007ffe946568f4 ???
1   libsystem_kernel.dylib        	0x00007fff203fa1d2 kevent64 + 10
2   ???                           	0x000000012a59dcc7 ???
3   ???                           	0x000000012a52662b ???
4   ???                           	0x000000012a4ea7cb ???
5   ???                           	0x000000012e46af06 ???
6   ???                           	0x000000012a545a7d ???
7   ???                           	0x000000012a58ee07 ???
8   libsystem_pthread.dylib       	0x00007fff204268fc _pthread_start + 224
9   libsystem_pthread.dylib       	0x00007fff20422443 thread_start + 15

Thread 22:: NetworkConfigWatcher
0   ???                           	0x00007ffe946568f4 ???
1   libsystem_kernel.dylib        	0x00007fff203f12ba mach_msg_trap + 10
2   ???                           	0x000000012a593492 ???
3   ???                           	0x000000012a5932cf ???
4   ???                           	0x000000012a4bb1db ???
5   ???                           	0x000000012a52662b ???
6   ???                           	0x000000012a4ea7cb ???
7   ???                           	0x000000012a545a7d ???
8   ???                           	0x000000012a58ee07 ???
9   libsystem_pthread.dylib       	0x00007fff204268fc _pthread_start + 224
10  libsystem_pthread.dylib       	0x00007fff20422443 thread_start + 15

Thread 23:: ThreadPoolForegroundWorker
0   ???                           	0x00007ffe946568f4 ???
1   libsystem_kernel.dylib        	0x00007fff203f12ba mach_msg_trap + 10
2   ???                           	0x000000012a593492 ???
3   ???                           	0x000000012a53b778 ???
4   ???                           	0x000000012a53c150 ???
5   ???                           	0x000000012a53bcd4 ???
6   ???                           	0x000000012a58ee07 ???
7   libsystem_pthread.dylib       	0x00007fff204268fc _pthread_start + 224
8   libsystem_pthread.dylib       	0x00007fff20422443 thread_start + 15

Thread 24:: ThreadPoolForegroundWorker
0   ???                           	0x00007ffe946568f4 ???
1   libsystem_kernel.dylib        	0x00007fff203f12ba mach_msg_trap + 10
2   ???                           	0x000000012a593492 ???
3   ???                           	0x000000012a53b778 ???
4   ???                           	0x000000012a53c150 ???
5   ???                           	0x000000012a53bcd4 ???
6   ???                           	0x000000012a58ee07 ???
7   libsystem_pthread.dylib       	0x00007fff204268fc _pthread_start + 224
8   libsystem_pthread.dylib       	0x00007fff20422443 thread_start + 15

Thread 25:: ThreadPoolForegroundWorker
0   ???                           	0x00007ffe946568f4 ???
1   libsystem_kernel.dylib        	0x00007fff203f12ba mach_msg_trap + 10
2   ???                           	0x000000012a593492 ???
3   ???                           	0x000000012a53b778 ???
4   ???                           	0x000000012a53c150 ???
5   ???                           	0x000000012a53bcd4 ???
6   ???                           	0x000000012a58ee07 ???
7   libsystem_pthread.dylib       	0x00007fff204268fc _pthread_start + 224
8   libsystem_pthread.dylib       	0x00007fff20422443 thread_start + 15

Thread 26:: CompositorTileWorker1
0   ???                           	0x00007ffe946568f4 ???
1   libsystem_kernel.dylib        	0x00007fff203f3cde __psynch_cvwait + 10
2   ???                           	0x000000012a58ae18 ???
3   ???                           	0x000000012b8425f8 ???
4   ???                           	0x000000012a58ee07 ???
5   libsystem_pthread.dylib       	0x00007fff204268fc _pthread_start + 224
6   libsystem_pthread.dylib       	0x00007fff20422443 thread_start + 15

Thread 27:: Chrome_InProcGpuThread
0   ???                           	0x00007ffe946568f4 ???
1   libsystem_kernel.dylib        	0x00007fff203f12ba mach_msg_trap + 10
2   ???                           	0x000000012a593492 ???
3   ???                           	0x000000012a4bb20f ???
4   ???                           	0x000000012a52662b ???
5   ???                           	0x000000012a4ea7cb ???
6   ???                           	0x000000012a545a7d ???
7   ???                           	0x000000012a58ee07 ???
8   libsystem_pthread.dylib       	0x00007fff204268fc _pthread_start + 224
9   libsystem_pthread.dylib       	0x00007fff20422443 thread_start + 15

Thread 28:: Chrome_ChildIOThread
0   ???                           	0x00007ffe946568f4 ???
1   libsystem_kernel.dylib        	0x00007fff203fa1d2 kevent64 + 10
2   ???                           	0x000000012a59dcc7 ???
3   ???                           	0x000000012a52662b ???
4   ???                           	0x000000012a4ea7cb ???
5   ???                           	0x000000012a545a7d ???
6   ???                           	0x000000012a58ee07 ???
7   libsystem_pthread.dylib       	0x00007fff204268fc _pthread_start + 224
8   libsystem_pthread.dylib       	0x00007fff20422443 thread_start + 15

Thread 29:
0   runtime                       	0x00007ffdffc007c8 0x7ffdffbde000 + 141256

Thread 30:: VizCompositorThread
0   ???                           	0x00007ffe946568f4 ???
1   libsystem_kernel.dylib        	0x00007fff203f12ba mach_msg_trap + 10
2   ???                           	0x000000012a593492 ???
3   ???                           	0x000000012a5932cf ???
4   ???                           	0x000000012a4bb1db ???
5   ???                           	0x000000012a52662b ???
6   ???                           	0x000000012a4ea7cb ???
7   ???                           	0x000000012a545a7d ???
8   ???                           	0x000000012a58ee07 ???
9   libsystem_pthread.dylib       	0x00007fff204268fc _pthread_start + 224
10  libsystem_pthread.dylib       	0x00007fff20422443 thread_start + 15

Thread 31:: NetworkConfigWatcher
0   ???                           	0x00007ffe946568f4 ???
1   libsystem_kernel.dylib        	0x00007fff203f12ba mach_msg_trap + 10
2   ???                           	0x000000012a593492 ???
3   ???                           	0x000000012a5932cf ???
4   ???                           	0x000000012a4bb1db ???
5   ???                           	0x000000012a52662b ???
6   ???                           	0x000000012a4ea7cb ???
7   ???                           	0x000000012a545a7d ???
8   ???                           	0x000000012a58ee07 ???
9   libsystem_pthread.dylib       	0x00007fff204268fc _pthread_start + 224
10  libsystem_pthread.dylib       	0x00007fff20422443 thread_start + 15

Thread 32:: NetworkConfigWatcher
0   ???                           	0x00007ffe946568f4 ???
1   libsystem_kernel.dylib        	0x00007fff203f12ba mach_msg_trap + 10
2   ???                           	0x000000012a593492 ???
3   ???                           	0x000000012a5932cf ???
4   ???                           	0x000000012a4bb1db ???
5   ???                           	0x000000012a52662b ???
6   ???                           	0x000000012a4ea7cb ???
7   ???                           	0x000000012a545a7d ???
8   ???                           	0x000000012a58ee07 ???
9   libsystem_pthread.dylib       	0x00007fff204268fc _pthread_start + 224
10  libsystem_pthread.dylib       	0x00007fff20422443 thread_start + 15

Thread 33:: ThreadPoolSingleThreadForegroundBlocking0
0   ???                           	0x00007ffe946568f4 ???
1   libsystem_kernel.dylib        	0x00007fff203f12ba mach_msg_trap + 10
2   ???                           	0x000000012a593492 ???
3   ???                           	0x000000012a5932cf ???
4   ???                           	0x000000012a53b76a ???
5   ???                           	0x000000012a53c150 ???
6   ???                           	0x000000012a53bd34 ???
7   ???                           	0x000000012a58ee07 ???
8   libsystem_pthread.dylib       	0x00007fff204268fc _pthread_start + 224
9   libsystem_pthread.dylib       	0x00007fff20422443 thread_start + 15

Thread 34:: MemoryInfra
0   ???                           	0x00007ffe946568f4 ???
1   libsystem_kernel.dylib        	0x00007fff203f12ba mach_msg_trap + 10
2   ???                           	0x000000012a593492 ???
3   ???                           	0x000000012a5932cf ???
4   ???                           	0x000000012a4bb1db ???
5   ???                           	0x000000012a52662b ???
6   ???                           	0x000000012a4ea7cb ???
7   ???                           	0x000000012a545a7d ???
8   ???                           	0x000000012a58ee07 ???
9   libsystem_pthread.dylib       	0x00007fff204268fc _pthread_start + 224
10  libsystem_pthread.dylib       	0x00007fff20422443 thread_start + 15

Thread 35:
0   runtime                       	0x00007ffdffc007c8 0x7ffdffbde000 + 141256

Thread 36:
0   runtime                       	0x00007ffdffc007c8 0x7ffdffbde000 + 141256

Thread 37:: NetworkConfigWatcher
0   ???                           	0x00007ffe946568f4 ???
1   libsystem_kernel.dylib        	0x00007fff203f12ba mach_msg_trap + 10
2   ???                           	0x000000012a593492 ???
3   ???                           	0x000000012a5932cf ???
4   ???                           	0x000000012a4bb1db ???
5   ???                           	0x000000012a52662b ???
6   ???                           	0x000000012a4ea7cb ???
7   ???                           	0x000000012a545a7d ???
8   ???                           	0x000000012a58ee07 ???
9   libsystem_pthread.dylib       	0x00007fff204268fc _pthread_start + 224
10  libsystem_pthread.dylib       	0x00007fff20422443 thread_start + 15

Thread 38:
0   runtime                       	0x00007ffdffc007c8 0x7ffdffbde000 + 141256

Thread 39:
0   runtime                       	0x00007ffdffc007c8 0x7ffdffbde000 + 141256

Thread 40:
0   runtime                       	0x00007ffdffc007c8 0x7ffdffbde000 + 141256

Thread 41:
0   runtime                       	0x00007ffdffc007c8 0x7ffdffbde000 + 141256

Thread 42:: com.apple.NSEventThread
0   ???                           	0x00007ffe946568f4 ???
1   libsystem_kernel.dylib        	0x00007fff203f12ba mach_msg_trap + 10
2   com.apple.CoreFoundation      	0x00007fff2051f215 __CFRunLoopServiceMachPort + 316
3   com.apple.CoreFoundation      	0x00007fff2051d8cb __CFRunLoopRun + 1332
4   com.apple.CoreFoundation      	0x00007fff2051ccd0 CFRunLoopRunSpecific + 567
5   ???                           	0x00007fff22dd623a ???
6   libsystem_pthread.dylib       	0x00007fff204268fc _pthread_start + 224
7   libsystem_pthread.dylib       	0x00007fff20422443 thread_start + 15

Thread 43:
0   runtime                       	0x00007ffdffc007c8 0x7ffdffbde000 + 141256

Thread 44:
0   runtime                       	0x00007ffdffc007c8 0x7ffdffbde000 + 141256

Thread 45:: ThreadPoolSingleThreadSharedBackgroundBlocking1
0   ???                           	0x00007ffe946568f4 ???
1   libsystem_kernel.dylib        	0x00007fff203f12ba mach_msg_trap + 10
2   ???                           	0x000000012a593492 ???
3   ???                           	0x000000012a5932cf ???
4   ???                           	0x000000012a53b76a ???
5   ???                           	0x000000012a53be3d ???
6   ???                           	0x000000012a53bc74 ???
7   ???                           	0x000000012a58ee07 ???
8   libsystem_pthread.dylib       	0x00007fff204268fc _pthread_start + 224
9   libsystem_pthread.dylib       	0x00007fff20422443 thread_start + 15

Thread 0 crashed with X86 Thread State (64-bit):
  rax: 0x0000000000000000  rbx: 0x00000002002b8e00  rcx: 0x0000000000000000  rdx: 0x0000000000000000
  rdi: 0x70185516b724f0d3  rsi: 0x0000000148af5088  rbp: 0x70185516b724f0d3  rsp: 0x0000000148af5088
   r8: 0x000000000000000a   r9: 0x70185516b724f0d3  r10: 0x00000002002b8e00  r11: 0x00007fff2030abbb
  r12: 0x0000000000000103  r13: 0x0000000000000003  r14: 0x000000000000000a  r15: 0x0000000000000016
  rip:   rfl: 0x0000000000000283


Binary Images:
                 0 - 0xffffffffffffffff +select.cpython-38-darwin.so (???) /private/var/folders/*/ChimeraX-1.2.5.app/Contents/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/lib-dynload/select.cpython-38-darwin.so
       0x1080ea000 -        0x108139fff +libRosettaRuntime (203.58)  /Library/Apple/*/libRosettaRuntime
       0x2001e1000 -        0x20027cfff  dyld (852.2)  /usr/lib/dyld
    0x7ffdffbde000 -     0x7ffdffc0dfff  runtime (203.58)  /usr/libexec/rosetta/runtime
    0x7fff2015e000 -     0x7fff2015ffff  libsystem_blocks.dylib (79)  /usr/lib/system/libsystem_blocks.dylib
    0x7fff20160000 -     0x7fff20195fff  libxpc.dylib (2038.120.1)  /usr/lib/system/libxpc.dylib
    0x7fff20196000 -     0x7fff201adfff  libsystem_trace.dylib (1277.120.1)  /usr/lib/system/libsystem_trace.dylib
    0x7fff201ae000 -     0x7fff2024bfff  libcorecrypto.dylib (1000.140.4)  /usr/lib/system/libcorecrypto.dylib
    0x7fff2024c000 -     0x7fff20278fff  libsystem_malloc.dylib (317.140.5)  /usr/lib/system/libsystem_malloc.dylib
    0x7fff20279000 -     0x7fff202bdfff  libdispatch.dylib (1271.120.2)  /usr/lib/system/libdispatch.dylib
    0x7fff202be000 -     0x7fff202f7fff  libobjc.A.dylib (824)  /usr/lib/libobjc.A.dylib
    0x7fff202f8000 -     0x7fff202fafff  libsystem_featureflags.dylib (28.60.1)  /usr/lib/system/libsystem_featureflags.dylib
    0x7fff202fb000 -     0x7fff20383fff  libsystem_c.dylib (1439.141.1)  /usr/lib/system/libsystem_c.dylib
    0x7fff20384000 -     0x7fff203d9fff  libc++.1.dylib (905.6)  /usr/lib/libc++.1.dylib
    0x7fff203da000 -     0x7fff203effff  libc++abi.dylib (905.6)  /usr/lib/libc++abi.dylib
    0x7fff203f0000 -     0x7fff2041ffff  libsystem_kernel.dylib (7195.141.8)  /usr/lib/system/libsystem_kernel.dylib
    0x7fff20420000 -     0x7fff2042bfff  libsystem_pthread.dylib (454.120.2)  /usr/lib/system/libsystem_pthread.dylib
    0x7fff2042c000 -     0x7fff20467fff  libdyld.dylib (852.2)  /usr/lib/system/libdyld.dylib
    0x7fff20468000 -     0x7fff20471fff  libsystem_platform.dylib (254.80.2)  /usr/lib/system/libsystem_platform.dylib
    0x7fff20472000 -     0x7fff2049dfff  libsystem_info.dylib (542.40.3)  /usr/lib/system/libsystem_info.dylib
    0x7fff2049e000 -     0x7fff2093cfff  com.apple.CoreFoundation (6.9 - 1778.101)  /System/Library/Frameworks/CoreFoundation.framework/Versions/A/CoreFoundation
    0x7fff22538000 -     0x7fff22797fff  libicucore.A.dylib (66112)  /usr/lib/libicucore.A.dylib
    0x7fff22798000 -     0x7fff227a1fff  libsystem_darwin.dylib (1439.141.1)  /usr/lib/system/libsystem_darwin.dylib
    0x7fff22bb7000 -     0x7fff22bc2fff  libsystem_notify.dylib (279.40.4)  /usr/lib/system/libsystem_notify.dylib
    0x7fff24b4f000 -     0x7fff24b5dfff  libsystem_networkextension.dylib (1295.140.3)  /usr/lib/system/libsystem_networkextension.dylib
    0x7fff24bbc000 -     0x7fff24bd2fff  libsystem_asl.dylib (385)  /usr/lib/system/libsystem_asl.dylib
    0x7fff262ce000 -     0x7fff262d5fff  libsystem_symptoms.dylib (1431.140.1)  /usr/lib/system/libsystem_symptoms.dylib
    0x7fff285e1000 -     0x7fff285f1fff  libsystem_containermanager.dylib (318.100.4)  /usr/lib/system/libsystem_containermanager.dylib
    0x7fff292f9000 -     0x7fff292fcfff  libsystem_configuration.dylib (1109.140.1)  /usr/lib/system/libsystem_configuration.dylib
    0x7fff292fd000 -     0x7fff29301fff  libsystem_sandbox.dylib (1441.141.4)  /usr/lib/system/libsystem_sandbox.dylib
    0x7fff29f01000 -     0x7fff29f03fff  libquarantine.dylib (119.40.2)  /usr/lib/system/libquarantine.dylib
    0x7fff2a49f000 -     0x7fff2a4abfff  libbz2.1.0.dylib (44)  /usr/lib/libbz2.1.0.dylib
    0x7fff2a4ac000 -     0x7fff2a4b0fff  libsystem_coreservices.dylib (127.1)  /usr/lib/system/libsystem_coreservices.dylib
    0x7fff2a6ad000 -     0x7fff2a6bffff  libz.1.dylib (76)  /usr/lib/libz.1.dylib
    0x7fff2a6c0000 -     0x7fff2a70bfff  libsystem_m.dylib (3186.100.3)  /usr/lib/system/libsystem_m.dylib
    0x7fff2a70d000 -     0x7fff2a712fff  libmacho.dylib (980)  /usr/lib/system/libmacho.dylib
    0x7fff2a72f000 -     0x7fff2a73afff  libcommonCrypto.dylib (60178.120.3)  /usr/lib/system/libcommonCrypto.dylib
    0x7fff2a73b000 -     0x7fff2a745fff  libunwind.dylib (201)  /usr/lib/system/libunwind.dylib
    0x7fff2a746000 -     0x7fff2a74dfff  liboah.dylib (203.58)  /usr/lib/liboah.dylib
    0x7fff2a74e000 -     0x7fff2a758fff  libcopyfile.dylib (173.40.2)  /usr/lib/system/libcopyfile.dylib
    0x7fff2a759000 -     0x7fff2a760fff  libcompiler_rt.dylib (102.2)  /usr/lib/system/libcompiler_rt.dylib
    0x7fff2a761000 -     0x7fff2a763fff  libsystem_collections.dylib (1439.141.1)  /usr/lib/system/libsystem_collections.dylib
    0x7fff2a764000 -     0x7fff2a766fff  libsystem_secinit.dylib (87.60.1)  /usr/lib/system/libsystem_secinit.dylib
    0x7fff2a767000 -     0x7fff2a769fff  libremovefile.dylib (49.120.1)  /usr/lib/system/libremovefile.dylib
    0x7fff2a76a000 -     0x7fff2a76afff  libkeymgr.dylib (31)  /usr/lib/system/libkeymgr.dylib
    0x7fff2a76b000 -     0x7fff2a772fff  libsystem_dnssd.dylib (1310.140.1)  /usr/lib/system/libsystem_dnssd.dylib
    0x7fff2a773000 -     0x7fff2a778fff  libcache.dylib (83)  /usr/lib/system/libcache.dylib
    0x7fff2a779000 -     0x7fff2a77afff  libSystem.B.dylib (1292.120.1)  /usr/lib/libSystem.B.dylib
    0x7fff2a77b000 -     0x7fff2a77efff  libfakelink.dylib (3)  /usr/lib/libfakelink.dylib
    0x7fff2a77f000 -     0x7fff2a77ffff  com.apple.SoftLinking (1.0 - 1)  /System/Library/PrivateFrameworks/SoftLinking.framework/Versions/A/SoftLinking
    0x7fff2dcd2000 -     0x7fff2dcd2fff  liblaunch.dylib (2038.120.1)  /usr/lib/system/liblaunch.dylib
    0x7fff30169000 -     0x7fff30169fff  libsystem_product_info_filter.dylib (8.40.1)  /usr/lib/system/libsystem_product_info_filter.dylib

Translated Code Information:
  tmp0: 0xffffffffffffffff tmp1: 0x00007ffe946568c8 tmp2: 0x00007fff203f7924


External Modification Summary:
  Calls made by other processes targeting this process:
    task_for_pid: 0
    thread_create: 0
    thread_set_state: 0
  Calls made by this process:
    task_for_pid: 0
    thread_create: 0
    thread_set_state: 0
  Calls made by all processes on this machine:
    task_for_pid: 0
    thread_create: 0
    thread_set_state: 0

VM Region Summary:
ReadOnly portion of Libraries: Total=517.9M resident=0K(0%) swapped_out_or_unallocated=517.9M(100%)
Writable regions: Total=2.3G written=0K(0%) resident=0K(0%) swapped_out=0K(0%) unallocated=2.3G(100%)
 
                                VIRTUAL   REGION 
REGION TYPE                        SIZE    COUNT (non-coalesced) 
===========                     =======  ======= 
Accelerate framework               256K        2 
Activity Tracing                   256K        1 
CG image                            80K        8 
CoreAnimation                       48K        8 
CoreGraphics                        16K        3 
CoreUI image data                 1432K       10 
Foundation                          16K        1 
Kernel Alloc Once                    8K        1 
MALLOC                           404.2M       78 
MALLOC guard page                  192K        8 
MALLOC_MEDIUM (reserved)         728.0M        7         reserved VM address space (unallocated)
MALLOC_NANO (reserved)           384.0M        1         reserved VM address space (unallocated)
Mach message                        24K        6 
OpenGL GLSL                        256K        3 
Rosetta Arena                     4096K        2 
Rosetta Generic                   1576K      391 
Rosetta IndirectBranch            1024K        1 
Rosetta JIT                      128.0M        1 
Rosetta Return Stack               780K       78 
Rosetta Thread Context             780K       78 
STACK GUARD                         44K       11 
Stack                            165.2M       45 
Stack Guard                       56.1M       34 
VM_ALLOCATE                       98.3M      185 
VM_ALLOCATE (reserved)           384.1M       14         reserved VM address space (unallocated)
__DATA                             532K       52 
__DATA_CONST                      2984K       40 
__DATA_DIRTY                        95K       24 
__LINKEDIT                       505.4M        7 
__OBJC_RO                         70.3M        1 
__OBJC_RW                         2480K        2 
__TEXT                            12.5M       51 
__UNICODE                          588K        1 
dylib                             2360K       36 
dylib (reserved)                   100K        9         reserved VM address space (unallocated)
mapped file                        5.4G     1086 
shared memory                      920K       39 
unshared pmap                     10.2M        6 
===========                     =======  ======= 
TOTAL                              8.3G     2331 
TOTAL, minus reserved VM space     6.8G     2331 



Log:
Startup Messages  
---  
note | available bundle cache has not been initialized yet  
  
UCSF ChimeraX version: 1.3rc202111240110 (2021-11-24)  
© 2016-2021 Regents of the University of California. All rights reserved.  
How to cite UCSF ChimeraX  




OpenGL version: 4.1 Metal - 71.7.1
OpenGL renderer: Apple M1
OpenGL vendor: AppleHardware:

    Hardware Overview:

      Model Name: MacBook Pro
      Model Identifier: MacBookPro17,1
      Processor Name: Unknown
      Processor Speed: 2.4 GHz
      Number of Processors: 1
      Total Number of Cores: 8
      L2 Cache (per Core): 4 MB
      Memory: 16 GB

Software:

    System Software Overview:

      System Version: macOS 11.6.1 (20G224)
      Kernel Version: Darwin 20.6.0
      Time since boot: 2:15

Graphics/Displays:

    Apple M1:

      Chipset Model: Apple M1
      Type: GPU
      Bus: Built-In
      Total Number of Cores: 8
      Vendor: Apple (0x106b)
      Metal Family: Supported, Metal GPUFamily Apple 7
      Displays:
        U3277WB:
          Resolution: 5120 x 2880 (5K/UHD+ - Ultra High Definition Plus)
          UI Looks like: 2560 x 1440 @ 60.00Hz
          Main Display: Yes
          Mirror: Off
          Online: Yes
          Automatically Adjust Brightness: Yes
        Color LCD:
          Resolution: 2880 x 1800
          UI Looks like: 1440 x 900 @ 60.00Hz
          Mirror: Off
          Online: Yes
          Automatically Adjust Brightness: No
          Connection Type: Internal

Locale: (None, 'UTF-8')
PyQt5 5.15.2, Qt 5.15.2
Installed Packages:
    alabaster: 0.7.12
    appdirs: 1.4.4
    appnope: 0.1.2
    Babel: 2.9.1
    backcall: 0.2.0
    blockdiag: 2.0.1
    certifi: 2021.5.30
    cftime: 1.5.1.1
    charset-normalizer: 2.0.7
    ChimeraX-AddCharge: 1.2.2
    ChimeraX-AddH: 2.1.10
    ChimeraX-AlignmentAlgorithms: 2.0
    ChimeraX-AlignmentHdrs: 3.2
    ChimeraX-AlignmentMatrices: 2.0
    ChimeraX-Alignments: 2.2.3
    ChimeraX-AlphaFold: 1.0
    ChimeraX-AltlocExplorer: 1.0.1
    ChimeraX-AmberInfo: 1.0
    ChimeraX-Arrays: 1.0
    ChimeraX-Atomic: 1.30.2
    ChimeraX-AtomicLibrary: 4.1.6
    ChimeraX-AtomSearch: 2.0
    ChimeraX-AtomSearchLibrary: 1.0
    ChimeraX-AxesPlanes: 2.0
    ChimeraX-BasicActions: 1.1
    ChimeraX-BILD: 1.0
    ChimeraX-BlastProtein: 2.0
    ChimeraX-BondRot: 2.0
    ChimeraX-BugReporter: 1.0
    ChimeraX-BuildStructure: 2.6
    ChimeraX-Bumps: 1.0
    ChimeraX-BundleBuilder: 1.1
    ChimeraX-ButtonPanel: 1.0
    ChimeraX-CageBuilder: 1.0
    ChimeraX-CellPack: 1.0
    ChimeraX-Centroids: 1.2
    ChimeraX-ChemGroup: 2.0
    ChimeraX-Clashes: 2.2.2
    ChimeraX-ColorActions: 1.0
    ChimeraX-ColorGlobe: 1.0
    ChimeraX-ColorKey: 1.5
    ChimeraX-CommandLine: 1.1.5
    ChimeraX-ConnectStructure: 2.0
    ChimeraX-Contacts: 1.0
    ChimeraX-Core: 1.3rc202111240110
    ChimeraX-CoreFormats: 1.1
    ChimeraX-coulombic: 1.3.2
    ChimeraX-Crosslinks: 1.0
    ChimeraX-Crystal: 1.0
    ChimeraX-CrystalContacts: 1.0
    ChimeraX-DataFormats: 1.2.2
    ChimeraX-Dicom: 1.0
    ChimeraX-DistMonitor: 1.1.5
    ChimeraX-DistUI: 1.0
    ChimeraX-Dssp: 2.0
    ChimeraX-EMDB-SFF: 1.0
    ChimeraX-ExperimentalCommands: 1.0
    ChimeraX-FileHistory: 1.0
    ChimeraX-FunctionKey: 1.0
    ChimeraX-Geometry: 1.1
    ChimeraX-gltf: 1.0
    ChimeraX-Graphics: 1.1
    ChimeraX-Hbonds: 2.1.2
    ChimeraX-Help: 1.2
    ChimeraX-HKCage: 1.3
    ChimeraX-IHM: 1.1
    ChimeraX-ImageFormats: 1.2
    ChimeraX-IMOD: 1.0
    ChimeraX-IO: 1.0.1
    ChimeraX-ItemsInspection: 1.0
    ChimeraX-Label: 1.1
    ChimeraX-ListInfo: 1.1.1
    ChimeraX-Log: 1.1.4
    ChimeraX-LookingGlass: 1.1
    ChimeraX-Maestro: 1.8.1
    ChimeraX-Map: 1.1
    ChimeraX-MapData: 2.0
    ChimeraX-MapEraser: 1.0
    ChimeraX-MapFilter: 2.0
    ChimeraX-MapFit: 2.0
    ChimeraX-MapSeries: 2.1
    ChimeraX-Markers: 1.0
    ChimeraX-Mask: 1.0
    ChimeraX-MatchMaker: 2.0.4
    ChimeraX-MDcrds: 2.6
    ChimeraX-MedicalToolbar: 1.0.1
    ChimeraX-Meeting: 1.0
    ChimeraX-MLP: 1.1
    ChimeraX-mmCIF: 2.4
    ChimeraX-MMTF: 2.1
    ChimeraX-Modeller: 1.2.6
    ChimeraX-ModelPanel: 1.2.1
    ChimeraX-ModelSeries: 1.0
    ChimeraX-Mol2: 2.0
    ChimeraX-Morph: 1.0
    ChimeraX-MouseModes: 1.1
    ChimeraX-Movie: 1.0
    ChimeraX-Neuron: 1.0
    ChimeraX-Nucleotides: 2.0.2
    ChimeraX-OpenCommand: 1.7
    ChimeraX-PDB: 2.6.5
    ChimeraX-PDBBio: 1.0
    ChimeraX-PDBLibrary: 1.0.2
    ChimeraX-PDBMatrices: 1.0
    ChimeraX-PickBlobs: 1.0
    ChimeraX-Positions: 1.0
    ChimeraX-PresetMgr: 1.0.1
    ChimeraX-PubChem: 2.1
    ChimeraX-ReadPbonds: 1.0.1
    ChimeraX-Registration: 1.1
    ChimeraX-RemoteControl: 1.0
    ChimeraX-ResidueFit: 1.0
    ChimeraX-RestServer: 1.1
    ChimeraX-RNALayout: 1.0
    ChimeraX-RotamerLibMgr: 2.0.1
    ChimeraX-RotamerLibsDunbrack: 2.0
    ChimeraX-RotamerLibsDynameomics: 2.0
    ChimeraX-RotamerLibsRichardson: 2.0
    ChimeraX-SaveCommand: 1.5
    ChimeraX-SchemeMgr: 1.0
    ChimeraX-SDF: 2.0
    ChimeraX-Segger: 1.0
    ChimeraX-Segment: 1.0
    ChimeraX-SelInspector: 1.0
    ChimeraX-SeqView: 2.4.6
    ChimeraX-Shape: 1.0.1
    ChimeraX-Shell: 1.0
    ChimeraX-Shortcuts: 1.1
    ChimeraX-ShowAttr: 1.0
    ChimeraX-ShowSequences: 1.0
    ChimeraX-SideView: 1.0
    ChimeraX-Smiles: 2.1
    ChimeraX-SmoothLines: 1.0
    ChimeraX-SpaceNavigator: 1.0
    ChimeraX-StdCommands: 1.6.1
    ChimeraX-STL: 1.0
    ChimeraX-Storm: 1.0
    ChimeraX-Struts: 1.0
    ChimeraX-Surface: 1.0
    ChimeraX-SwapAA: 2.0
    ChimeraX-SwapRes: 2.1
    ChimeraX-TapeMeasure: 1.0
    ChimeraX-Test: 1.0
    ChimeraX-Toolbar: 1.1
    ChimeraX-ToolshedUtils: 1.2
    ChimeraX-Tug: 1.0
    ChimeraX-UI: 1.13.7
    ChimeraX-uniprot: 2.2
    ChimeraX-UnitCell: 1.0
    ChimeraX-ViewDockX: 1.0.1
    ChimeraX-VIPERdb: 1.0
    ChimeraX-Vive: 1.1
    ChimeraX-VolumeMenu: 1.0
    ChimeraX-VTK: 1.0
    ChimeraX-WavefrontOBJ: 1.0
    ChimeraX-WebCam: 1.0
    ChimeraX-WebServices: 1.0
    ChimeraX-Zone: 1.0
    colorama: 0.4.4
    cxservices: 1.1
    cycler: 0.11.0
    Cython: 0.29.24
    decorator: 5.1.0
    docutils: 0.17.1
    filelock: 3.0.12
    funcparserlib: 0.3.6
    grako: 3.16.5
    h5py: 3.6.0
    html2text: 2020.1.16
    idna: 3.3
    ihm: 0.21
    imagecodecs: 2021.4.28
    imagesize: 1.3.0
    ipykernel: 5.5.5
    ipython: 7.23.1
    ipython-genutils: 0.2.0
    jedi: 0.18.0
    Jinja2: 3.0.1
    jupyter-client: 6.1.12
    jupyter-core: 4.9.1
    kiwisolver: 1.3.2
    lxml: 4.6.3
    lz4: 3.1.3
    MarkupSafe: 2.0.1
    matplotlib: 3.4.3
    matplotlib-inline: 0.1.3
    msgpack: 1.0.2
    netCDF4: 1.5.7
    networkx: 2.6.3
    numexpr: 2.7.3
    numpy: 1.21.2
    openvr: 1.16.801
    packaging: 21.0
    ParmEd: 3.2.0
    parso: 0.8.2
    pexpect: 4.8.0
    pickleshare: 0.7.5
    Pillow: 8.3.2
    pip: 21.2.4
    pkginfo: 1.7.1
    prompt-toolkit: 3.0.22
    psutil: 5.8.0
    ptyprocess: 0.7.0
    pycollada: 0.7.1
    pydicom: 2.1.2
    Pygments: 2.10.0
    PyOpenGL: 3.1.5
    PyOpenGL-accelerate: 3.1.5
    pyparsing: 3.0.6
    PyQt5-commercial: 5.15.2
    PyQt5-sip: 12.8.1
    PyQtWebEngine-commercial: 5.15.2
    python-dateutil: 2.8.2
    pytz: 2021.3
    pyzmq: 22.3.0
    qtconsole: 5.1.1
    QtPy: 1.11.2
    RandomWords: 0.3.0
    requests: 2.26.0
    scipy: 1.7.1
    setuptools: 57.5.0
    sfftk-rw: 0.7.1
    six: 1.16.0
    snowballstemmer: 2.2.0
    sortedcontainers: 2.4.0
    Sphinx: 4.2.0
    sphinx-autodoc-typehints: 1.12.0
    sphinxcontrib-applehelp: 1.0.2
    sphinxcontrib-blockdiag: 2.0.0
    sphinxcontrib-devhelp: 1.0.2
    sphinxcontrib-htmlhelp: 2.0.0
    sphinxcontrib-jsmath: 1.0.1
    sphinxcontrib-qthelp: 1.0.3
    sphinxcontrib-serializinghtml: 1.1.5
    suds-jurko: 0.6
    tifffile: 2021.4.8
    tinyarray: 1.2.3
    tornado: 6.1
    traitlets: 5.1.1
    urllib3: 1.26.7
    wcwidth: 0.2.5
    webcolors: 1.11.1
    wheel: 0.37.0
    wheel-filename: 1.3.0

Change History (2)

comment:1 by Eric Pettersen, 4 years ago

Cc: Eric Pettersen added
Component: Unassigned → General Controls
Owner: set to Tom Goddard
Platform: → all
Project: → ChimeraX
Status: new → assigned
Summary: ChimeraX bug report submission → Crash getting cursor position during mouse pause

comment:2 by Tom Goddard, 4 years ago

Resolution: → can't reproduce
Status: assigned → closed

This crash appears to be from a Qt window toolkit bug.

from Qt.QtGui import QCursor
p = self.graphics_window.mapFromGlobal(QCursor.pos())

It is getting the cursor position and mapping it to the graphics pane coordinates using Qt. It is extremely hard to imagine how that could crash. But we have seen tens of crashes in this line of code. This is called when the mouse hovers over the graphics window so it is very commonly executed code. I think instead the crash is not Qt. The C++ stack trace shows it is in Python select

3 libsystem_platform.dylib 0x00007fff2046bd7d _sigtramp + 29
4 select.cpython-38-darwin.so 000000000000000000 0 + 0

This is code that waits for file input and output to complete. How Python select can crash is also a complete mystery.

Other crashes in Python select are #5462, #4967, #4952, #4835, #4660, #4210. Every report is on the Apple M1 processor running ChimeraX with Rosetta emulation. So it looks likely to be an emulation problem. We plan to release a native Apple M1 ChimeraX probably in about 6 months that may avoid this crash.

Unfortunately we don't have enough clues to debug this further.

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