[Pkg-tigervnc-devel] Bug#1025326: tigervnc-standalone-server: Upgrade of libgl1-mesa-dri to 22.3.0 breaks Xvnc

[Itaï BEN YAACOV]

Package: tigervnc-standalone-server
Version: 1.12.0+dfsg-5
Severity: normal

Dear Maintainer,

Having upgraded mesa to 22.3.0, Xvnc will not start, giving the following:





Xvnc TigerVNC 1.12.0 - built 2022-07-09 14:10
Copyright (C) 1999-2021 TigerVNC Team and many others (see README.rst)
See https://www.tigervnc.org for information on TigerVNC.
Underlying X server release 12101004, X.Org


Fri Dec  2 14:46:58 2022
 vncext:      VNC extension running!
 vncext:      Listening for VNC connections on local interface(s), port 5910
 vncext:      created VNC server for screen 0
(EE) 
(EE) Backtrace:
(EE) 0: /usr/bin/Xtigervnc (OsLookupColor+0x139) [0x564f7b36e2d9]
(EE) 1: /lib/x86_64-linux-gnu/libc.so.6 (__sigaction+0x40) [0x7fcc4345af90]
(EE) unw_get_proc_name failed: no unwind info found [-10]
(EE) 2: /lib64/ld-linux-x86-64.so.2 (?+0x0) [0x7fcc4402e029]
(EE) 3: /lib/x86_64-linux-gnu/libc.so.6 (_dl_catch_exception+0x7a) [0x7fcc4356de9a]
(EE) 4: /lib/x86_64-linux-gnu/libc.so.6 (_dl_catch_error+0x2f) [0x7fcc4356df4f]
(EE) 5: /lib/x86_64-linux-gnu/libc.so.6 (dlerror+0x297) [0x7fcc434a3dc7]
(EE) 6: /lib/x86_64-linux-gnu/libc.so.6 (dlclose+0x36) [0x7fcc434a3b26]
(EE) 7: /usr/lib/x86_64-linux-gnu/dri/swrast_dri.so (nouveau_drm_screen_create+0x1d50f4) [0x7fcc40ee7f44]
(EE) 8: /usr/lib/x86_64-linux-gnu/dri/swrast_dri.so (nouveau_drm_screen_create+0x1d4340) [0x7fcc40ee7190]
(EE) unw_get_proc_name failed: no unwind info found [-10]
(EE) 9: /usr/lib/x86_64-linux-gnu/dri/swrast_dri.so (?+0x0) [0x7fcc404aa179]
(EE) 10: /usr/lib/x86_64-linux-gnu/dri/swrast_dri.so (__driDriverGetExtensions_d3d12+0x60ae16) [0x7fcc40ab5156]
(EE) 11: /usr/lib/x86_64-linux-gnu/dri/swrast_dri.so (__driDriverGetExtensions_d3d12+0x60ad84) [0x7fcc40ab50c4]
(EE) 12: /usr/lib/x86_64-linux-gnu/dri/swrast_dri.so (__driDriverGetExtensions_d3d12+0x6f4) [0x7fcc404aaa34]
(EE) 13: /usr/lib/x86_64-linux-gnu/dri/swrast_dri.so (__driDriverGetExtensions_d3d12+0xa175) [0x7fcc404b44b5]
(EE) 14: /usr/bin/Xtigervnc (__glGetProcAddress+0x677) [0x564f7b22c417]
(EE) 15: /usr/bin/Xtigervnc (RecordCreateSet+0x47f) [0x564f7b22b2df]
(EE) 16: /usr/bin/Xtigervnc (_CallCallbacks+0x34) [0x564f7b31c894]
(EE) 17: /usr/bin/Xtigervnc (GlxExtensionInit+0x152) [0x564f7b24c602]
(EE) 18: /usr/bin/Xtigervnc (InitExtensions+0x89) [0x564f7b1ed7a9]
(EE) 19: /usr/bin/Xtigervnc (dix_main+0x1a8) [0x564f7b31b398]
(EE) 20: /lib/x86_64-linux-gnu/libc.so.6 (__libc_init_first+0x8a) [0x7fcc4344618a]
(EE) 21: /lib/x86_64-linux-gnu/libc.so.6 (__libc_start_main+0x85) [0x7fcc43446245]
(EE) 22: /usr/bin/Xtigervnc (_start+0x21) [0x564f7b1eb7f1]
(EE) 
(EE) Segmentation fault at address 0x337
(EE) 
Fatal server error:
(EE) Caught signal 11 (Segmentation fault). Server aborting
(EE) 





Downgrading libgl1-mesa-dri to 22.2.4 solves this (even if it is the only package downgraded, 
leaving some "broken").  So I guess the problem must be in some incomatible change in the
swrast_dri.so module.

Cheers,
Itaï


-- System Information:
Debian Release: bookworm/sid
  APT prefers unstable
  APT policy: (600, 'unstable')
Architecture: amd64 (x86_64)

Kernel: Linux 6.0.0-5-amd64 (SMP w/12 CPU threads; PREEMPT)
Locale: LANG=fr_FR.UTF-8, LC_CTYPE=fr_FR.UTF-8 (charmap=UTF-8), LANGUAGE not set
Shell: /bin/sh linked to /usr/bin/dash
Init: systemd (via /run/systemd/system)
LSM: AppArmor: enabled

Versions of packages tigervnc-standalone-server depends on:
ii  libaudit1                   1:3.0.7-1.1+b2
ii  libbsd0                     0.11.7-1
ii  libc6                       2.36-6
ii  libfile-readbackwards-perl  1.06-2
ii  libgcrypt20                 1.10.1-3
ii  libgl1                      1.5.0-1
ii  libgnutls30                 3.7.8-4
ii  libjpeg62-turbo             1:2.1.2-1+b1
ii  libpam0g                    1.5.2-5
ii  libpixman-1-0               0.42.2-1
ii  libselinux1                 3.4-1+b3
ii  libstdc++6                  12.2.0-9
ii  libsystemd0                 252.2-1
ii  libunwind8                  1.6.2-2
ii  libxau6                     1:1.0.9-1
ii  libxdmcp6                   1:1.1.2-3
ii  libxfont2                   1:2.0.6-1
ii  perl                        5.36.0-4
ii  tigervnc-common             1.12.0+dfsg-5
ii  x11-xkb-utils               7.7+7
ii  xauth                       1:1.1.1-1
ii  xkb-data                    2.35.1-1
ii  zlib1g                      1:1.2.13.dfsg-1

Versions of packages tigervnc-standalone-server recommends:
ii  libgl1-mesa-dri    22.2.4-1
ii  tigervnc-tools     1.12.0+dfsg-5
ii  x11-xserver-utils  7.7+9+b1
ii  xfonts-base        1:1.0.5

Versions of packages tigervnc-standalone-server suggests:
ii  openssl                       3.0.7-1
pn  xfonts-100dpi | xfonts-75dpi  <none>
pn  xfonts-scalable               <none>

-- no debconf information