<html><head><meta http-equiv="Content-Type" content="text/html; charset=us-ascii"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class="">Beni's problem with Chimera not starting was a graphics problem related to supersampling / super-resolution / multisampling. Not clear whether the fix was to change a graphics driver setting or the Chimera multisampling setting. Beni's email below.<div class=""><br class=""></div><div class=""><span class="Apple-tab-span" style="white-space:pre"> </span>Tom<br class=""><div><br class=""><blockquote type="cite" class=""><div class="">Begin forwarded message:</div><br class="Apple-interchange-newline"><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px;" class=""><span style="font-family: -webkit-system-font, Helvetica Neue, Helvetica, sans-serif; color:rgba(0, 0, 0, 1.0);" class=""><b class="">From: </b></span><span style="font-family: -webkit-system-font, Helvetica Neue, Helvetica, sans-serif;" class="">Beni Sued <<a href="mailto:benisued@gmail.com" class="">benisued@gmail.com</a>><br class=""></span></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px;" class=""><span style="font-family: -webkit-system-font, Helvetica Neue, Helvetica, sans-serif; color:rgba(0, 0, 0, 1.0);" class=""><b class="">Subject: </b></span><span style="font-family: -webkit-system-font, Helvetica Neue, Helvetica, sans-serif;" class=""><b class="">Re: [Chimera-users] error code -1073741819</b><br class=""></span></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px;" class=""><span style="font-family: -webkit-system-font, Helvetica Neue, Helvetica, sans-serif; color:rgba(0, 0, 0, 1.0);" class=""><b class="">Date: </b></span><span style="font-family: -webkit-system-font, Helvetica Neue, Helvetica, sans-serif;" class="">March 9, 2021 at 1:50:10 PM PST<br class=""></span></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px;" class=""><span style="font-family: -webkit-system-font, Helvetica Neue, Helvetica, sans-serif; color:rgba(0, 0, 0, 1.0);" class=""><b class="">To: </b></span><span style="font-family: -webkit-system-font, Helvetica Neue, Helvetica, sans-serif;" class="">Tom Goddard <<a href="mailto:goddard@sonic.net" class="">goddard@sonic.net</a>><br class=""></span></div><br class=""><div class=""><div dir="ltr" class=""><br class=""><div class="">That's impressive knowledge! I was indeed using supersampling and superresolution (not sure if They are the same as multisampling but it worked)
<br class="">Thanks so much! <br class="">solved</div></div><br class=""><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Tue, 9 Mar 2021 at 20:54, Tom Goddard <<a href="mailto:goddard@sonic.net" class="">goddard@sonic.net</a>> wrote:<br class=""></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div style="overflow-wrap: break-word;" class=""><div class="">Hi Beni,</div><div class=""><br class=""></div><div class="">The gzip message is just misleading. It is not an error and is explained here</div><div class=""><br class=""></div><span style="white-space:pre-wrap" class=""> </span><a href="https://plato.cgl.ucsf.edu/pipermail/chimera-users/2015-July/011199.html" target="_blank" class="">https://plato.cgl.ucsf.edu/pipermail/chimera-users/2015-July/011199.html</a><br class=""><div class=""><br class=""></div><div class="">The real problem is almost surely that your graphics driver is broken since it gets to "Initializing graphics" and then dies. Updating the graphics driver was the right thing to try.</div><div class=""><br class=""></div><div class="">One other remote possibility is that some Chimera preference setting is causing startup to fail -- like maybe you enabled multisampling in the past and the new graphics driver wipes out whenever you try to use it. The location of preferences is</div><div class=""><br class=""></div><div class=""><span style="white-space:pre-wrap" class=""> </span>C:\Users\username\AppData\Roaming\.chimera\</div><div class=""><br class=""></div><div class="">(from documentation here <a href="https://www.cgl.ucsf.edu/chimera/docs/UsersGuide/preferences.html" target="_blank" class="">https://www.cgl.ucsf.edu/chimera/docs/UsersGuide/preferences.html</a>). You might rename that .chimera folder so Chimera starts with factory default preferences and try to start.</div><div class=""><br class=""></div><div class=""><span style="white-space:pre-wrap" class=""> </span>Tom</div><div class=""><br class=""><blockquote type="cite" class=""><div class="">On Mar 7, 2021, at 1:18 PM, Beni Sued <<a href="mailto:benisued@gmail.com" target="_blank" class="">benisued@gmail.com</a>> wrote:</div><br class=""><div class=""><div dir="ltr" class="">Hey there <br class="">I've been using UCSF chimera for some time with no problems but it is having trouble starting up, this is the error message:<br class=""><br class=""><i class="">Cannot execute 'gzip': no automatic decompression of .Z files<br class=""><br class="">initializing general preferences<br class="">loading Tix<br class="">initializing graphics<br class="">Return code: -1073741819<br class="">Press return or enter to to exit</i><br class=""><br class="">precisely like this gentleman:<br class=""><a href="https://plato.cgl.ucsf.edu/pipermail/chimera-users/2019-April/015675.html" target="_blank" class="">https://plato.cgl.ucsf.edu/pipermail/chimera-users/2019-April/015675.html</a><div class="">and this <br class=""><a href="https://www.cgl.ucsf.edu/pipermail/chimera-users/2011-December/007021.html" target="_blank" class="">https://www.cgl.ucsf.edu/pipermail/chimera-users/2011-December/007021.html</a><br class=""><br class="">my <span style="white-space:pre-wrap" class="">dxdiag info is attached, nothing wrong jumps to me.
What I've tried:
- uninstalling and reinstalling Chimera
- manually installing GZIP for windows ( </span><a href="https://sourceforge.net/projects/gzip-for-windows/" target="_blank" class="">https://sourceforge.net/projects/gzip-for-windows/</a> <span style="white-space:pre-wrap" class="">)
- updating drivers (graphics drivers and chipset drivers)
- getting the alpha version of the program
- going to and fro compute mode in the the graphical settings
I'm using Chimera 1.15 and this is my hardware
chipset b550m
ryzen 5600x
RX 590
in trying to fix it I learned about ChimeraX, I'm learning to use it, but I would still like to keep chimera until i can properly stop and change my workflow
thanks so much, let me know if I missed any info</span></div></div>
<span id="gmail-m_3900175325985075405cid:f_klzn3vaq0" class=""><DxDiag.txt></span>_______________________________________________<br class="">Chimera-users mailing list: <a href="mailto:Chimera-users@cgl.ucsf.edu" target="_blank" class="">Chimera-users@cgl.ucsf.edu</a><br class="">Manage subscription: <a href="https://plato.cgl.ucsf.edu/mailman/listinfo/chimera-users" target="_blank" class="">https://plato.cgl.ucsf.edu/mailman/listinfo/chimera-users</a><br class=""></div></blockquote></div><br class=""></div></blockquote></div>
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