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Bug#1025340: marked as done (xserver-xorg: Xorg segfaults at start-up in recent Debian Live images)

Your message dated Sun, 22 Jan 2023 09:55:47 +0100
with message-id <c3cd7f5a-041b-0ce8-6a67-a9b816595549@rclobus.nl>
and subject line Bug triaging: The issue is resolved now
has caused the Debian Bug report #1025340,
regarding xserver-xorg: Xorg segfaults at start-up in recent Debian Live images
to be marked as done.

This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.

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-- 
1025340: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1025340
Debian Bug Tracking System
Contact owner@bugs.debian.org with problems
--- Begin Message --- 
Package: xserver-xorg
Version: 1:7.7+23
Severity: important
Usertags: openqa
X-Debbugs-Cc: rclobus@rclobus.nl

Hi folks,

Debian Live images built in the last day seem not to be able to start X.

It segfaults at start-up, thus:

[    20.784] (EE) Backtrace:
[    20.785] (EE) 0: /usr/lib/xorg/Xorg (OsLookupColor+0x139) [0x564d21cafc59]
[    20.787] (EE) 1: /lib/x86_64-linux-gnu/libc.so.6 (__sigaction+0x40) [0x7f5d44e5af90]
[    20.788] (EE) unw_get_proc_name failed: no unwind info found [-10]
[    20.788] (EE) 2: /lib64/ld-linux-x86-64.so.2 (?+0x0) [0x7f5d45a99029]
[    20.788] (EE) 3: /lib/x86_64-linux-gnu/libc.so.6 (_dl_catch_exception+0x7a) [0x7f5d44f6de9a]
[    20.789] (EE) 4: /lib/x86_64-linux-gnu/libc.so.6 (_dl_catch_error+0x2f) [0x7f5d44f6df4f]
[    20.789] (EE) 5: /lib/x86_64-linux-gnu/libc.so.6 (dlerror+0x297) [0x7f5d44ea3dc7]
[    20.790] (EE) 6: /lib/x86_64-linux-gnu/libc.so.6 (dlclose+0x36) [0x7f5d44ea3b26]
[    20.820] (EE) 7: /usr/lib/x86_64-linux-gnu/dri/swrast_dri.so (nouveau_drm_screen_create+0x1d50f4) [0x7f5d4326bf44]
[    20.821] (EE) 8: /usr/lib/x86_64-linux-gnu/dri/swrast_dri.so (nouveau_drm_screen_create+0x1d4340) [0x7f5d4326b190]
[    20.821] (EE) unw_get_proc_name failed: no unwind info found [-10]
[    20.821] (EE) 9: /usr/lib/x86_64-linux-gnu/dri/swrast_dri.so (?+0x0) [0x7f5d4282e179]
[    20.832] (EE) 10: /usr/lib/x86_64-linux-gnu/dri/swrast_dri.so (__driDriverGetExtensions_d3d12+0x60ae16) [0x7f5d42e39156]
[    20.832] (EE) 11: /usr/lib/x86_64-linux-gnu/dri/swrast_dri.so (__driDriverGetExtensions_d3d12+0x60ad84) [0x7f5d42e390c4]
[    20.832] (EE) 12: /usr/lib/x86_64-linux-gnu/dri/swrast_dri.so (__driDriverGetExtensions_d3d12+0x6f4) [0x7f5d4282ea34]
[    20.833] (EE) 13: /usr/lib/x86_64-linux-gnu/dri/swrast_dri.so (__driDriverGetExtensions_d3d12+0xa175) [0x7f5d428384b5]
[    20.833] (EE) unw_get_proc_name failed: no unwind info found [-10]
[    20.833] (EE) 14: /usr/lib/xorg/modules/extensions/libglx.so (?+0x0) [0x7f5d44b6fd77]
[    20.833] (EE) unw_get_proc_name failed: no unwind info found [-10]
[    20.833] (EE) 15: /usr/lib/xorg/modules/extensions/libglx.so (?+0x0) [0x7f5d44b6eb7f]
[    20.834] (EE) 16: /usr/lib/xorg/Xorg (_CallCallbacks+0x34) [0x564d21b41a24]
[    20.834] (EE) 17: /usr/lib/xorg/Xorg (dri3_send_open_reply+0x10af) [0x564d21c6da9f]
[    20.838] (EE) 18: /usr/lib/xorg/Xorg (InitExtensions+0x89) [0x564d21bad2a9]
[    20.838] (EE) 19: /usr/lib/xorg/Xorg (InitFonts+0x1e8) [0x564d21b404e8]
[    20.838] (EE) 20: /lib/x86_64-linux-gnu/libc.so.6 (__libc_init_first+0x8a) [0x7f5d44e4618a]
[    20.839] (EE) 21: /lib/x86_64-linux-gnu/libc.so.6 (__libc_start_main+0x85) [0x7f5d44e46245]
[    20.839] (EE) 22: /usr/lib/xorg/Xorg (_start+0x21) [0x564d21b29b61]
[    20.839] (EE)
[    20.839] (EE) Segmentation fault at address 0x337
[    20.839] (EE)
Fatal server error:
[    20.839] (EE) Caught signal 11 (Segmentation fault). Server aborting

Full log file is here:

  https://openqa.debian.net/tests/101031/logfile?filename=Xorg.0.log.txt

I'm not sure what's causing this, hence the bug report against
xserver-xorg.

libglx-mesa0 seems like it _might_ be worth a look, given that the last
thing before the segfault in Xorg.0.log is this:

  [    17.912] (II) Initializing extension GLX
  [    17.912] (II) AIGLX: Screen 0 is not DRI2 capable

Here is the list of packages that are part of that broken live image:

  https://openqa.debian.net/tests/101031/logfile?filename=_graphical_wait_login-installed-pkgs.txt

and here's a version of that list from a day earlier, when things were
still working, for comparison:

  https://openqa.debian.net/tests/100587/logfile?filename=_collect_data-debs.txt

BTW I notice that libglx-mesa0 went from 22.2.4-1 to 22.3.0-1, among
many other changes.

If you want to give it a try yourself, the most recent version of the
live image we're testing comes from here:

  https://tests.reproducible-builds.org/debian_live_build/artifacts/r00t-me/kde-sid.iso

Since the image there is regularly generated anew, you'll probably want
to check that it's still causing a problem before testing things
yourself, which you can do here:

https://openqa.debian.net/tests/latest?arch=x86_64&distri=debian&flavor=live-build&machine=64bit&test=live-build-desktop_browser&version=sid_kde#next_previous

If you want a copy of the image that caused a failing test, just click
on the red dot for the failed test, go to the "Logs & Assets" tab, and
you'll find a link to the image at the bottom of the list.

Cheers, Phil.

--- End Message ---
--- Begin Message --- 
Version: mesa 22.3.0-2
The last failing build was 20221202T031513Z_sid_kde and the first working build 20221208T151337Z_sid_kde. 
Unfortunately, there were no intermediate builds.
This suggests that https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1025312 did indeed contain the fix. 

With kind regards,
Roland Clobus

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