Xorg crashed with SIGABRT [SIGSEGV in list_del() from pb_slab_reclaim()]

[AboAlfadl]

Xorg crashed with SIGABRT

ProblemType: Crash
DistroRelease: Ubuntu 18.04
Package: xserver-xorg-core 2:1.19.5-0ubuntu2
ProcVersionSignature: Ubuntu 4.13.0-17.20-generic 4.13.8
Uname: Linux 4.13.0-17-generic x86_64
.tmp.unity_support_test.0:

ApportVersion: 2.20.8-0ubuntu2
Architecture: amd64
CompizPlugins: No value set for `/apps/compiz-1/general/screen0/options/active_plugins'
CompositorRunning: compiz
CompositorUnredirectDriverBlacklist: '(nouveau|Intel).*Mesa 8.0'
CompositorUnredirectFSW: true
Date: Mon Dec 4 14:19:40 2017
DistUpgraded: Fresh install
DistroCodename: bionic
DistroVariant: ubuntu
ExecutablePath: /usr/lib/xorg/Xorg
ExtraDebuggingInterest: No
GraphicsCard:
 Intel Corporation HD Graphics 5500 [8086:1616] (rev 09) (prog-if 00 [VGA controller])
   Subsystem: Lenovo HD Graphics 5500 [17aa:3824]
InstallationDate: Installed on 2015-12-14 (721 days ago)
InstallationMedia: Ubuntu 15.10 "Wily Werewolf" - Release amd64 (20151021)
MachineType: LENOVO 80K6
ProcCmdline: /usr/lib/xorg/Xorg -core :0 -seat seat0 -auth /var/run/lightdm/root/:0 -nolisten tcp vt7 -novtswitch
ProcEnviron: PATH=(custom, no user)
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.13.0-17-generic root=UUID=73fd1edc-d964-40d3-a1dd-b1ca4118cce6 ro quiet splash vt.handoff=7
Signal: 6
SourcePackage: xorg-server
StacktraceTop:
 ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
 ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
 ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
 ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
 ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
Title: Xorg crashed with SIGABRT
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups:

dmi.bios.date: 03/19/2015
dmi.bios.vendor: LENOVO
dmi.bios.version: C2CN17WW(V1.03)
dmi.board.asset.tag: No Asset Tag
dmi.board.name: Lenovo Z51-70
dmi.board.vendor: LENOVO
dmi.board.version: No DPK
dmi.chassis.asset.tag: No Asset Tag
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: Lenovo Z51-70
dmi.modalias: dmi:bvnLENOVO:bvrC2CN17WW(V1.03):bd03/19/2015:svnLENOVO:pn80K6:pvrLenovoZ51-70:rvnLENOVO:rnLenovoZ51-70:rvrNoDPK:cvnLENOVO:ct10:cvrLenovoZ51-70:
dmi.product.family: IDEAPAD
dmi.product.name: 80K6
dmi.product.version: Lenovo Z51-70
dmi.sys.vendor: LENOVO
version.compiz: compiz 1:0.9.13.1+18.04.20171116-0ubuntu1
version.libdrm2: libdrm2 2.4.88-1
version.libgl1-mesa-dri: libgl1-mesa-dri 17.2.4-0ubuntu2
version.libgl1-mesa-glx: libgl1-mesa-glx 17.2.4-0ubuntu2
version.xserver-xorg-core: xserver-xorg-core 2:1.19.5-0ubuntu2
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.10.5-1ubuntu1
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.10.0-1
version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.99.917+git20170309-0ubuntu1
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.15-2
xserver.bootTime: Mon Dec 4 14:19:47 2017
xserver.configfile: default
xserver.errors:

xserver.logfile: /var/log/Xorg.0.log
xserver.version: 2:1.19.5-0ubuntu2
xserver.video_driver: modeset

[Apport retracing service (apport)]

StacktraceTop:
 list_del (item=<optimized out>) at ../../../../src/util/list.h:91
 pb_slab_reclaim (slabs=slabs@entry=0x55d99bb03328, entry=0x0) at ../../../../src/gallium/auxiliary/pipebuffer/pb_slab.c:58
 pb_slabs_deinit (slabs=slabs@entry=0x55d99bb03328) at ../../../../src/gallium/auxiliary/pipebuffer/pb_slab.c:247
 si_destroy_context (context=context@entry=0x55d99bafc8b0) at ../../../../../src/gallium/drivers/radeonsi/si_pipe.c:99
 si_create_context (screen=screen@entry=0x55d99baf1d60, flags=flags@entry=0) at ../../../../../src/gallium/drivers/radeonsi/si_pipe.c:382

[Paul White (paulw2u)]

Thank you for taking the time to report this bug and helping to make Ubuntu better. We are sorry that we do not always have the capacity to review all reported bugs in a timely manner.

Ubuntu 18.04 (bionic) reached end-of-standard-support on May 31, 2023.

I'm setting the status of this bug to 'Incomplete' as it's not seen any activity for some time. If this is still an issue when using a currently maintained release of Ubuntu then please let us know which one(s) otherwise this bug report can be left to expire in approximately 60 days time.

[Launchpad Janitor (janitor)]

[Expired for mesa (Ubuntu) because there has been no activity for 60 days.]

[Launchpad Janitor (janitor)]

[Expired for xorg-server (Ubuntu) because there has been no activity for 60 days.]