<div dir="ltr"><div>Hello,</div><div>First of all thank you for your good work and assistance.</div><div><br></div><div>Core dump trace is attached and a snippet follows.</div><div>Choosing Help->Search Documentation causes seg fault.</div><div>The remaining  help menu items work fine.</div><div><br></div><div>Please see below.</div><div>Thank you so much.</div><div>John</div><div>-------------------------------------------------------------------<br></div>huatiger@huatiger:debug$ coredumpctl debug<br>       PID: 23503 (python2.7)<br>       UID: 1000 (huatiger)<br>       GID: 1000 (huatiger)<br>    Signal: 11 (SEGV)<br>     Timestamp: Sat 2020-02-29 14:35:13 EST (1min 8s ago)<br><div>  Command Line:</div><div> /opt/UCSF/Chimera64-1.14/bin/python2.7 /opt/UCSF/Chimera64-1.14/share/__main__.py --debug</div><div>    <br></div><div>Executable: /opt/UCSF/Chimera64-1.14/bin/python2.7</div><div><br></div><div>...</div><div>Core was generated by `/opt/UCSF/Chimera64-1.14/bin/python2.7 /opt/UCSF/Chimera64-1.14/share/__main__.'.<br>Program terminated with signal SIGSEGV, Segmentation fault.<br>#0  0x00007fe3a31c51f8 in uncompress2 () from /lib/x86_64-linux-gnu/libz.so.1<br></div><div><br></div><div>----------------------------------------------------------------------------------------<br></div><div>huatiger@huatiger:Downloads$ cat /etc/os-release <br>NAME="Ubuntu"<br>VERSION="19.10 (Eoan Ermine)"<br>ID=ubuntu<br>ID_LIKE=debian<br>PRETTY_NAME="Ubuntu 19.10"<br>VERSION_ID="19.10"<br>HOME_URL="<a href="https://www.ubuntu.com/" target="_blank">https://www.ubuntu.com/</a>"<br>SUPPORT_URL="<a href="https://help.ubuntu.com/" target="_blank">https://help.ubuntu.com/</a>"<br>BUG_REPORT_URL="<a href="https://bugs.launchpad.net/ubuntu/" target="_blank">https://bugs.launchpad.net/ubuntu/</a>"<br>PRIVACY_POLICY_URL="<a href="https://www.ubuntu.com/legal/terms-and-policies/privacy-policy" target="_blank">https://www.ubuntu.com/legal/terms-and-policies/privacy-policy</a>"<br>VERSION_CODENAME=eoan<br>UBUNTU_CODENAME=eoan<br>huatiger@huatiger:Downloads$ uname -a<br>Linux huatiger 5.3.0-40-generic #32-Ubu</div></div>