The new crash backtrace:
(gdb) bt
#0 __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:50
#1 0x00007fb60370c899 in __GI_abort () at abort.c:79
#2 0x0000560aacd068c0 in OsAbort () at ../../../../os/utils.c:1351
#3 0x0000560aacd0c4f9 in AbortServer () at ../../../../os/log.c:879
#4 0x0000560aacd0d35a in FatalError (f=f@entry=0x560aacd40230 "Caught signal
%d (%s). Server aborting\n") at ../../../../os/log.c:1017
#5 0x0000560aacd03c09 in OsSigHandler (unused=<optimised out>,
sip=0x7ffd89b28470, signo=11) at ../../../../os/osinit.c:156
#6 OsSigHandler (signo=11, sip=0x7ffd89b28470, unused=<optimised out>) at
../../../../os/osinit.c:110
#7 0x00007fb6038ef540 in <signal handler called> () at
/lib/x86_64-linux-gnu/libpthread.so.0
#8 0x0000560aacd02cf3 in ResetCurrentRequest
(client=client@entry=0x560aae67f0c0) at ../../../../os/io.c:560
#9 0x0000560aacccfa66 in DRI2WaitSwap (client=0x560aae67f0c0,
pDrawable=<optimised out>) at ../../../../../../hw/xfree86/dri2/dri2.c:1082
#10 0x00007fb6033fa5f1 in __glXDRIcontextWait (baseContext=<optimised out>,
cl=0x560aae67f1d8, error=0x7ffd89b28aa8) at ../../../../glx/glxdri2.c:291
#11 0x00007fb6033f29c7 in __glXForceCurrent (cl=0x560aae67f1d8,
tag=tag@entry=1, error=error@entry=0x7ffd89b28aa8) at
../../../../glx/glxext.c:621
#12 0x00007fb6033ee900 in xorgGlxMakeCurrent (client=0x560aae67f0c0, tag=1,
drawId=<optimised out>, readId=0, contextId=<optimised out>, newContextTag=0)
at ../../../../glx/glxcmds.c:616
#13 0x0000560aaccd378a in GlxFreeClientData (client=0x560aae67f0c0) at
../../../../glx/vndext.c:168
#14 0x0000560aacba838c in _CallCallbacks (pcbl=pcbl@entry=0x560aacdb2538
<ClientStateCallback>, call_data=call_data@entry=0x7ffd89b28b50) at
../../../../dix/dixutils.c:743
#15 0x0000560aacba2273 in CallCallbacks (call_data=0x7ffd89b28b50,
pcbl=0x560aacdb2538 <ClientStateCallback>) at ../../../../include/callback.h:83
#16 CloseDownClient (client=0x560aae67f0c0) at ../../../../dix/dispatch.c:3473
#17 0x0000560aacd045f1 in ospoll_wait (ospoll=0x560aad403a10,
timeout=<optimised out>) at ../../../../os/ospoll.c:651
#18 0x0000560aaccfd3b3 in WaitForSomething (are_ready=0) at
../../../../os/WaitFor.c:208
#19 0x0000560aacba2ca7 in Dispatch () at ../../../../include/list.h:220
#20 0x0000560aacba6f94 in dix_main (argc=12, argv=0x7ffd89b299b8,
envp=<optimised out>) at ../../../../dix/main.c:276
#21 0x00007fb60370e1e3 in __libc_start_main (main=0x560aacb90a00 <main>,
argc=12, argv=0x7ffd89b299b8, init=<optimised out>, fini=<optimised out>,
rtld_fini=<optimised out>, stack_end=0x7ffd89b299a8)
at ../csu/libc-start.c:308
#22 0x0000560aacb90a3e in _start ()
--
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which is subscribed to xorg-server in Ubuntu.
https://bugs.launchpad.net/bugs/1776447
Title:
Xorg's Indirect GLX broken from upstream regression
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https://bugs.launchpad.net/xorg-server/+bug/1776447/+subscriptions
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