[Bug 1754949] Re: gnome-shell crashed with SIGSEGV in meta_gpu_kms_apply_crtc_mode() from meta_renderer_native_finish_frame()

[Brad Figg]

** Tags added: cscc

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Title:
  gnome-shell crashed with SIGSEGV in meta_gpu_kms_apply_crtc_mode()
  from meta_renderer_native_finish_frame()

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[Bug 1754949] Re: gnome-shell crashed with SIGSEGV in meta_gpu_kms_apply_crtc_mode() from meta_renderer_native_finish_frame()

[Launchpad Bug Tracker]

This bug was fixed in the package mutter - 3.28.3-2~ubuntu18.04.1

---
mutter (3.28.3-2~ubuntu18.04.1) bionic; urgency=medium

  * No-change backport from unstable to bionic

mutter (3.28.3-2) unstable; urgency=medium

  * Team upload

  [ Iain Lane ]
  * debian/gbp.conf: Set the upstream branch to upstream/3.28.x, since we've
branched for experimental now.

  [ Marco Trevisan (Treviño) ]
  * d/p/native-gpu-Handle-drmModeSetCrtc-failing-gracefully.patch:
- Avoid crashing when warning about wrongly set crtc mode
  (LP: #1754949)
  * d/p/gpu-kms-Don-t-crash-if-drmModeGetResources-returns-N.patch:
- Don't crash if drmModeGetResources returns NULL  (LP: #1767956)
  * d/p/window-wayland-Always-update-monitor-for-non-user-ops.patch:
- Always update monitor in wayland, avoiding crash (LP: #1784398)
  * d/p/monitor-manager-Filter-out-low-screen-resolutions.patch:
- Don't return screen resolutions that can't be applied (LP: #1772831)
  * d/p/window-Don-t-refuse-to-move-focus-to-the-grab-window.patch,
d/p/window-Explicitly-exclude-unmanaging-window-from-focus-ag.patch:
- Don't crash if a modal dialog closes while being dragged
  (LP: #1422253)
  * d/p/monitor-Use-current-monitor-mode-to-check-whether-active.patch:
- Don't try to use an invalid monitor mode to figure out scaling
  (LP: #1723615)

  [ Simon McVittie ]
  * Sort patch series in upstream order, with patches applied upstream
first
  * d/copyright: Remove obsolete FSF postal addresses
  * Standards-Version: 4.1.5 (no changes required)
  * Set Rules-Requires-Root to no
  * Update symbols file

mutter (3.28.3-1~ubuntu18.04.1) bionic; urgency=medium

  * No-change backport to bionic (LP: #1783311)

mutter (3.28.3-1) unstable; urgency=medium

  * New upstream release
  * d/p/backends-Add-logical-monitor-monitor-output-crtc-ref-chai.patch,
d/p/backends-Move-MetaOutput-crtc-field-into-private-struct.patch,
d/p/clutter-device-evdev-Get-devices-from-main-seat-if-no-rea.patch,
d/p/clutter-evdev-Don-t-ignore-CAPS-lock-as-modifier.patch,
d/p/clutter-evdev-ignore-injected-events-from-IM.patch,
d/p/clutter-seat-evdev-Add-function-to-get-device-by-id.patch,
d/p/device-manager-evdev-Add-main-seat-to-seats-by-default.patch,
d/p/device-manager-evdev-Free-the-main-seat-on-finalize.patch,
d/p/device-manager-evdev-Set-and-unset-the-stage-for-the-main.patch,
d/p/frames-Allow-for-unknown-mouse-buttons.patch,
d/p/frames-Handle-touch-events.patch,
d/p/frames-Make-1st-button-motion-handlers-take-generic-event.patch,
d/p/renderer-native-Don-t-crash-if-the-FB-surface-can-t-be-lo.patch,
d/p/wayland-Compare-geometries-after-chaining-up.patch,
d/p/wayland-Don-t-reset-input-focus-on-text-commit.patch,
d/p/wayland-Use-cursor-position-in-logical-monitor.patch,
d/p/wayland-update-enter-leave-output-after-effects.patch,
d/p/window-actor-add-new-signal-effects-completed.patch:
Remove patches already applied on 3.28 branch

 -- Marco Trevisan (Treviño)   Fri, 03 Aug 2018
05:20:10 +0100

** Changed in: mutter (Ubuntu Bionic)
   Status: Fix Committed => Fix Released

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Title:
  gnome-shell crashed with SIGSEGV in meta_gpu_kms_apply_crtc_mode()
  from meta_renderer_native_finish_frame()

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[Bug 1754949] Re: gnome-shell crashed with SIGSEGV in meta_gpu_kms_apply_crtc_mode() from meta_renderer_native_finish_frame()

[Łukasz Zemczak]

Hello Ferdinand, or anyone else affected,

Accepted mutter into bionic-proposed. The package will build now and be
available at
https://launchpad.net/ubuntu/+source/mutter/3.28.3-2~ubuntu18.04.1 in a
few hours, and then in the -proposed repository.

Please help us by testing this new package.  See
https://wiki.ubuntu.com/Testing/EnableProposed for documentation on how
to enable and use -proposed.Your feedback will aid us getting this
update out to other Ubuntu users.

If this package fixes the bug for you, please add a comment to this bug,
mentioning the version of the package you tested and change the tag from
verification-needed-bionic to verification-done-bionic. If it does not
fix the bug for you, please add a comment stating that, and change the
tag to verification-failed-bionic. In either case, without details of
your testing we will not be able to proceed.

Further information regarding the verification process can be found at
https://wiki.ubuntu.com/QATeam/PerformingSRUVerification .  Thank you in
advance!

** Changed in: mutter (Ubuntu Bionic)
   Status: In Progress => Fix Committed

** Tags added: verification-needed verification-needed-bionic

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Title:
  gnome-shell crashed with SIGSEGV in meta_gpu_kms_apply_crtc_mode()
  from meta_renderer_native_finish_frame()

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[Bug 1754949] Re: gnome-shell crashed with SIGSEGV in meta_gpu_kms_apply_crtc_mode() from meta_renderer_native_finish_frame()

[Alberto Milone]

The drm_mode_get_hv_timing() function (used in the required kernel
commit) depends on a non trivial amount of other changes, and I don't
think a backport would be easy, or safe. That commit will be available
in Linux 4.17, though, so we are going to get the fix in Ubuntu 18.10.

** Changed in: linux (Ubuntu)
   Status: In Progress => Triaged

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Title:
  gnome-shell crashed with SIGSEGV in meta_gpu_kms_apply_crtc_mode()
  from meta_renderer_native_finish_frame()

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[Bug 1754949] Re: gnome-shell crashed with SIGSEGV in meta_gpu_kms_apply_crtc_mode() from meta_renderer_native_finish_frame()

[Treviño]

** Changed in: gnome-shell (Ubuntu)
   Status: Fix Committed => Fix Released

** No longer affects: gnome-shell (Ubuntu Bionic)

** Changed in: mutter (Ubuntu Bionic)
   Status: New => In Progress

** Changed in: mutter (Ubuntu Bionic)
   Importance: Undecided => High

** Changed in: mutter (Ubuntu Bionic)
 Assignee: (unassigned) => Marco Trevisan (Treviño) (3v1n0)

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Title:
  gnome-shell crashed with SIGSEGV in meta_gpu_kms_apply_crtc_mode()
  from meta_renderer_native_finish_frame()

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[Bug 1754949] Re: gnome-shell crashed with SIGSEGV in meta_gpu_kms_apply_crtc_mode() from meta_renderer_native_finish_frame()

[Iain Lane]

** Also affects: linux (Ubuntu Bionic)
   Importance: Undecided
   Status: New

** Also affects: mutter (Ubuntu Bionic)
   Importance: Undecided
   Status: New

** Also affects: gnome-shell (Ubuntu Bionic)
   Importance: Undecided
   Status: New

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Title:
  gnome-shell crashed with SIGSEGV in meta_gpu_kms_apply_crtc_mode()
  from meta_renderer_native_finish_frame()

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[Bug 1754949] Re: gnome-shell crashed with SIGSEGV in meta_gpu_kms_apply_crtc_mode() from meta_renderer_native_finish_frame()

[Treviño]

** Description changed:

+ [ Description ]
+ 
+ GNome shell crashes after Xorg loggin
+ 
+ [ Test case ]
+ 
+ From GDM login in a GNOME Ubuntu session (so Xorg).
+ It should start with no issues
+ 
+ [ Regression potential ]
+ 
+ We were deferencing a NULL pointer while outputting an error.
+ This is pretty safe. Although the session might still not run properly as per 
a driver issue to be addressed in linux package.
+ 
+ ---
+ 
  https://gitlab.gnome.org/GNOME/mutter/issues/70
  https://errors.ubuntu.com/problem/16426125ad8d92ae4dc9ce9e89450153b0a8b665
  
  https://salsa.debian.org/gnome-team/mutter/merge_requests/6
  
  ---
  
  The crash was reported after booting and logging in to an X.Org session.
  
  $ lsb_release -rd
  Description:  Ubuntu Bionic Beaver (development branch)
  Release:  18.04
  
  $ apt-cache policy gnome-shell
  gnome-shell:
    Instalovaná verze: 3.27.92-0ubuntu1
    Kandidát:  3.27.92-0ubuntu1
    Tabulka verzí:
   *** 3.27.92-0ubuntu1 500
  500 http://de.archive.ubuntu.com/ubuntu bionic/main amd64 Packages
  100 /var/lib/dpkg/status
  
  ProblemType: CrashDistroRelease: Ubuntu 18.04
  Package: gnome-shell 3.27.92-0ubuntu1
  ProcVersionSignature: Ubuntu 4.15.0-10.11-generic 4.15.3
  Uname: Linux 4.15.0-10-generic x86_64
  NonfreeKernelModules: wl
  ApportVersion: 2.20.8-0ubuntu10
  Architecture: amd64
  CurrentDesktop: GNOME-Greeter:GNOME
  Date: Sun Mar 11 11:08:00 2018
  DisplayManager: gdm3
  ExecutablePath: /usr/bin/gnome-shell
  GsettingsChanges:
  
  InstallationDate: Installed on 2017-12-19 (81 days ago)
  InstallationMedia: Ubuntu 17.10 "Artful Aardvark" - Release amd64 (20171018)
  ProcCmdline: /usr/bin/gnome-shell
  ProcEnviron:
   LANGUAGE=cs_CZ
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=
   LANG=cs_CZ.UTF-8
   SHELL=/bin/false
  SegvAnalysis:
   Segfault happened at: 0x7f3fee5d2f17 : 
mov0x20(%rax),%rcx
   PC (0x7f3fee5d2f17) ok
   source "0x20(%rax)" (0x0020) not located in a known VMA region (needed 
readable region)!
   destination "%rcx" ok
- SegvReason: reading NULL VMA
- Signal: 11SourcePackage: gnome-shell
+ SegvReason: reading NULL VMASignal: 11SourcePackage: gnome-shell
  StacktraceTop:
   meta_gpu_kms_apply_crtc_mode () at /usr/lib/x86_64-linux-gnu/libmutter-2.so.0
   meta_renderer_native_finish_frame () at 
/usr/lib/x86_64-linux-gnu/libmutter-2.so.0
   () at /usr/lib/x86_64-linux-gnu/mutter/libmutter-clutter-2.so
   () at /usr/lib/x86_64-linux-gnu/mutter/libmutter-clutter-2.so
   () at /usr/lib/x86_64-linux-gnu/mutter/libmutter-clutter-2.so
  Title: gnome-shell crashed with SIGSEGV in meta_gpu_kms_apply_crtc_mode()
  UpgradeStatus: Upgraded to bionic on 2018-03-05 (5 days ago)
  UserGroups:

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Title:
  gnome-shell crashed with SIGSEGV in meta_gpu_kms_apply_crtc_mode()
  from meta_renderer_native_finish_frame()

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[Bug 1754949] Re: gnome-shell crashed with SIGSEGV in meta_gpu_kms_apply_crtc_mode() from meta_renderer_native_finish_frame()

[Launchpad Bug Tracker]

This bug was fixed in the package mutter - 3.28.3-2

---
mutter (3.28.3-2) unstable; urgency=medium

  * Team upload

  [ Iain Lane ]
  * debian/gbp.conf: Set the upstream branch to upstream/3.28.x, since we've
branched for experimental now.

  [ Marco Trevisan (Treviño) ]
  * d/p/native-gpu-Handle-drmModeSetCrtc-failing-gracefully.patch:
- Avoid crashing when warning about wrongly set crtc mode
  (LP: #1754949)
  * d/p/gpu-kms-Don-t-crash-if-drmModeGetResources-returns-N.patch:
- Don't crash if drmModeGetResources returns NULL  (LP: #1767956)
  * d/p/window-wayland-Always-update-monitor-for-non-user-ops.patch:
- Always update monitor in wayland, avoiding crash (LP: #1784398)
  * d/p/monitor-manager-Filter-out-low-screen-resolutions.patch:
- Don't return screen resolutions that can't be applied (LP: #1772831)
  * d/p/window-Don-t-refuse-to-move-focus-to-the-grab-window.patch,
d/p/window-Explicitly-exclude-unmanaging-window-from-focus-ag.patch:
- Don't crash if a modal dialog closes while being dragged
  (LP: #1422253)
  * d/p/monitor-Use-current-monitor-mode-to-check-whether-active.patch:
- Don't try to use an invalid monitor mode to figure out scaling
  (LP: #1723615)

  [ Simon McVittie ]
  * Sort patch series in upstream order, with patches applied upstream
first
  * d/copyright: Remove obsolete FSF postal addresses
  * Standards-Version: 4.1.5 (no changes required)
  * Set Rules-Requires-Root to no
  * Update symbols file

 -- Simon McVittie   Tue, 31 Jul 2018 15:35:03 +0100

** Changed in: mutter (Ubuntu)
   Status: In Progress => Fix Released

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Title:
  gnome-shell crashed with SIGSEGV in meta_gpu_kms_apply_crtc_mode()
  from meta_renderer_native_finish_frame()

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[Bug 1754949] Re: gnome-shell crashed with SIGSEGV in meta_gpu_kms_apply_crtc_mode() from meta_renderer_native_finish_frame()

[Treviño]

Fix is in salsa now, will be in ubuntu at next sync.

** Changed in: gnome-shell (Ubuntu)
   Status: Confirmed => Fix Committed

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Title:
  gnome-shell crashed with SIGSEGV in meta_gpu_kms_apply_crtc_mode()
  from meta_renderer_native_finish_frame()

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[Bug 1754949] Re: gnome-shell crashed with SIGSEGV in meta_gpu_kms_apply_crtc_mode() from meta_renderer_native_finish_frame()

[Daniel van Vugt]

And so is "meta_gpu_kms".

So this is a Wayland-only crash.

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Title:
  gnome-shell crashed with SIGSEGV in meta_gpu_kms_apply_crtc_mode()
  from meta_renderer_native_finish_frame()

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[Bug 1754949] Re: gnome-shell crashed with SIGSEGV in meta_gpu_kms_apply_crtc_mode() from meta_renderer_native_finish_frame()

[Daniel van Vugt]

That's correct. Because the "meta_renderer_native" part is Wayland-only
:)

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Title:
  gnome-shell crashed with SIGSEGV in meta_gpu_kms_apply_crtc_mode()
  from meta_renderer_native_finish_frame()

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[Bug 1754949] Re: gnome-shell crashed with SIGSEGV in meta_gpu_kms_apply_crtc_mode() from meta_renderer_native_finish_frame()

[Ferdinand Prantl]

I haven't seen this crash, since I disabled Wayland in
/etc/gdm3/custom.conf:

[daemon]
# Uncoment the line below to force the login screen to use Xorg
WaylandEnable=false

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Title:
  gnome-shell crashed with SIGSEGV in meta_gpu_kms_apply_crtc_mode()
  from meta_renderer_native_finish_frame()

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[Bug 1754949] Re: gnome-shell crashed with SIGSEGV in meta_gpu_kms_apply_crtc_mode() from meta_renderer_native_finish_frame()

[Daniel van Vugt]

Temporarily reopening the gnome-shell task, just so people can find the
bug. And are less likely to create more duplicates.

** Changed in: gnome-shell (Ubuntu)
   Status: Won't Fix => Confirmed

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Title:
  gnome-shell crashed with SIGSEGV in meta_gpu_kms_apply_crtc_mode()
  from meta_renderer_native_finish_frame()

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[Bug 1754949] Re: gnome-shell crashed with SIGSEGV in meta_gpu_kms_apply_crtc_mode() from meta_renderer_native_finish_frame()

[Treviño]

** Description changed:

  https://gitlab.gnome.org/GNOME/mutter/issues/70
  https://errors.ubuntu.com/problem/16426125ad8d92ae4dc9ce9e89450153b0a8b665
+ 
+ https://salsa.debian.org/gnome-team/mutter/merge_requests/6
  
  ---
  
  The crash was reported after booting and logging in to an X.Org session.
  
  $ lsb_release -rd
  Description:  Ubuntu Bionic Beaver (development branch)
  Release:  18.04
  
  $ apt-cache policy gnome-shell
  gnome-shell:
    Instalovaná verze: 3.27.92-0ubuntu1
    Kandidát:  3.27.92-0ubuntu1
    Tabulka verzí:
   *** 3.27.92-0ubuntu1 500
  500 http://de.archive.ubuntu.com/ubuntu bionic/main amd64 Packages
  100 /var/lib/dpkg/status
  
- ProblemType: Crash
- DistroRelease: Ubuntu 18.04
+ ProblemType: CrashDistroRelease: Ubuntu 18.04
  Package: gnome-shell 3.27.92-0ubuntu1
  ProcVersionSignature: Ubuntu 4.15.0-10.11-generic 4.15.3
  Uname: Linux 4.15.0-10-generic x86_64
  NonfreeKernelModules: wl
  ApportVersion: 2.20.8-0ubuntu10
  Architecture: amd64
  CurrentDesktop: GNOME-Greeter:GNOME
  Date: Sun Mar 11 11:08:00 2018
  DisplayManager: gdm3
  ExecutablePath: /usr/bin/gnome-shell
  GsettingsChanges:
  
  InstallationDate: Installed on 2017-12-19 (81 days ago)
  InstallationMedia: Ubuntu 17.10 "Artful Aardvark" - Release amd64 (20171018)
  ProcCmdline: /usr/bin/gnome-shell
  ProcEnviron:
   LANGUAGE=cs_CZ
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=
   LANG=cs_CZ.UTF-8
   SHELL=/bin/false
  SegvAnalysis:
   Segfault happened at: 0x7f3fee5d2f17 : 
mov0x20(%rax),%rcx
   PC (0x7f3fee5d2f17) ok
   source "0x20(%rax)" (0x0020) not located in a known VMA region (needed 
readable region)!
   destination "%rcx" ok
  SegvReason: reading NULL VMA
- Signal: 11
- SourcePackage: gnome-shell
+ Signal: 11SourcePackage: gnome-shell
  StacktraceTop:
   meta_gpu_kms_apply_crtc_mode () at /usr/lib/x86_64-linux-gnu/libmutter-2.so.0
   meta_renderer_native_finish_frame () at 
/usr/lib/x86_64-linux-gnu/libmutter-2.so.0
   () at /usr/lib/x86_64-linux-gnu/mutter/libmutter-clutter-2.so
   () at /usr/lib/x86_64-linux-gnu/mutter/libmutter-clutter-2.so
   () at /usr/lib/x86_64-linux-gnu/mutter/libmutter-clutter-2.so
  Title: gnome-shell crashed with SIGSEGV in meta_gpu_kms_apply_crtc_mode()
  UpgradeStatus: Upgraded to bionic on 2018-03-05 (5 days ago)
  UserGroups:

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Title:
  gnome-shell crashed with SIGSEGV in meta_gpu_kms_apply_crtc_mode()
  from meta_renderer_native_finish_frame()

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[Bug 1754949] Re: gnome-shell crashed with SIGSEGV in meta_gpu_kms_apply_crtc_mode() from meta_renderer_native_finish_frame()

[Treviño]

** Changed in: gnome-shell (Ubuntu)
   Status: In Progress => Won't Fix

** Also affects: mutter (Ubuntu)
   Importance: Undecided
   Status: New

** Changed in: mutter (Ubuntu)
   Status: New => In Progress

** Changed in: mutter (Ubuntu)
   Importance: Undecided => High

** Changed in: mutter (Ubuntu)
 Assignee: (unassigned) => Marco Trevisan (Treviño) (3v1n0)

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Title:
  gnome-shell crashed with SIGSEGV in meta_gpu_kms_apply_crtc_mode()
  from meta_renderer_native_finish_frame()

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[Bug 1754949] Re: gnome-shell crashed with SIGSEGV in meta_gpu_kms_apply_crtc_mode() from meta_renderer_native_finish_frame()

[Alberto Milone]

** Changed in: linux (Ubuntu)
   Importance: Undecided => High

** Changed in: linux (Ubuntu)
   Status: Triaged => In Progress

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Title:
  gnome-shell crashed with SIGSEGV in meta_gpu_kms_apply_crtc_mode()
  from meta_renderer_native_finish_frame()

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[Bug 1754949] Re: gnome-shell crashed with SIGSEGV in meta_gpu_kms_apply_crtc_mode() from meta_renderer_native_finish_frame()

[Daniel van Vugt]

Bump. This is the 3rd most common gnome-shell crash right now.

** Changed in: gnome-shell (Ubuntu)
   Importance: Medium => High

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Title:
  gnome-shell crashed with SIGSEGV in meta_gpu_kms_apply_crtc_mode()
  from meta_renderer_native_finish_frame()

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[Bug 1754949] Re: gnome-shell crashed with SIGSEGV in meta_gpu_kms_apply_crtc_mode() from meta_renderer_native_finish_frame()

[Apport retracing service]

** Tags added: cosmic

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Title:
  gnome-shell crashed with SIGSEGV in meta_gpu_kms_apply_crtc_mode()
  from meta_renderer_native_finish_frame()

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[Bug 1754949] Re: gnome-shell crashed with SIGSEGV in meta_gpu_kms_apply_crtc_mode() from meta_renderer_native_finish_frame()

[Treviño]

** Changed in: linux (Ubuntu)
 Assignee: (unassigned) => Alberto Milone (albertomilone)

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Title:
  gnome-shell crashed with SIGSEGV in meta_gpu_kms_apply_crtc_mode()
  from meta_renderer_native_finish_frame()

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[Bug 1754949] Re: gnome-shell crashed with SIGSEGV in meta_gpu_kms_apply_crtc_mode() from meta_renderer_native_finish_frame()

[Treviño]

The driver involved should be also be fixed including this:

https://cgit.freedesktop.org/drm/drm-
tip/commit/?id=4751cf733a1170876dd5ac46f225f5a25f59a67f

** Changed in: gnome-shell (Ubuntu)
   Status: Confirmed => In Progress

** Also affects: linux (Ubuntu)
   Importance: Undecided
   Status: New

** Changed in: linux (Ubuntu)
   Status: New => Triaged

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Title:
  gnome-shell crashed with SIGSEGV in meta_gpu_kms_apply_crtc_mode()
  from meta_renderer_native_finish_frame()

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[Bug 1754949] Re: gnome-shell crashed with SIGSEGV in meta_gpu_kms_apply_crtc_mode() from meta_renderer_native_finish_frame()

[Daniel van Vugt]

Looks similar to:
https://errors.ubuntu.com/problem/b0adc3c02c0ba6f5e7fafd72721ff0050a8a88f4

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Title:
  gnome-shell crashed with SIGSEGV in meta_gpu_kms_apply_crtc_mode()
  from meta_renderer_native_finish_frame()

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[Bug 1754949] Re: gnome-shell crashed with SIGSEGV in meta_gpu_kms_apply_crtc_mode() from meta_renderer_native_finish_frame()

[Daniel van Vugt]

Also tracking in
https://errors.ubuntu.com/problem/16426125ad8d92ae4dc9ce9e89450153b0a8b665

** Description changed:

  https://gitlab.gnome.org/GNOME/mutter/issues/70
+ https://errors.ubuntu.com/problem/16426125ad8d92ae4dc9ce9e89450153b0a8b665
  
  ---
  
  The crash was reported after booting and logging in to an X.Org session.
  
  $ lsb_release -rd
  Description:  Ubuntu Bionic Beaver (development branch)
  Release:  18.04
  
  $ apt-cache policy gnome-shell
  gnome-shell:
    Instalovaná verze: 3.27.92-0ubuntu1
    Kandidát:  3.27.92-0ubuntu1
    Tabulka verzí:
   *** 3.27.92-0ubuntu1 500
  500 http://de.archive.ubuntu.com/ubuntu bionic/main amd64 Packages
  100 /var/lib/dpkg/status
  
  ProblemType: Crash
  DistroRelease: Ubuntu 18.04
  Package: gnome-shell 3.27.92-0ubuntu1
  ProcVersionSignature: Ubuntu 4.15.0-10.11-generic 4.15.3
  Uname: Linux 4.15.0-10-generic x86_64
  NonfreeKernelModules: wl
  ApportVersion: 2.20.8-0ubuntu10
  Architecture: amd64
  CurrentDesktop: GNOME-Greeter:GNOME
  Date: Sun Mar 11 11:08:00 2018
  DisplayManager: gdm3
  ExecutablePath: /usr/bin/gnome-shell
  GsettingsChanges:
  
  InstallationDate: Installed on 2017-12-19 (81 days ago)
  InstallationMedia: Ubuntu 17.10 "Artful Aardvark" - Release amd64 (20171018)
  ProcCmdline: /usr/bin/gnome-shell
  ProcEnviron:
   LANGUAGE=cs_CZ
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=
   LANG=cs_CZ.UTF-8
   SHELL=/bin/false
  SegvAnalysis:
   Segfault happened at: 0x7f3fee5d2f17 : 
mov0x20(%rax),%rcx
   PC (0x7f3fee5d2f17) ok
   source "0x20(%rax)" (0x0020) not located in a known VMA region (needed 
readable region)!
   destination "%rcx" ok
  SegvReason: reading NULL VMA
  Signal: 11
  SourcePackage: gnome-shell
  StacktraceTop:
   meta_gpu_kms_apply_crtc_mode () at /usr/lib/x86_64-linux-gnu/libmutter-2.so.0
   meta_renderer_native_finish_frame () at 
/usr/lib/x86_64-linux-gnu/libmutter-2.so.0
   () at /usr/lib/x86_64-linux-gnu/mutter/libmutter-clutter-2.so
   () at /usr/lib/x86_64-linux-gnu/mutter/libmutter-clutter-2.so
   () at /usr/lib/x86_64-linux-gnu/mutter/libmutter-clutter-2.so
  Title: gnome-shell crashed with SIGSEGV in meta_gpu_kms_apply_crtc_mode()
  UpgradeStatus: Upgraded to bionic on 2018-03-05 (5 days ago)
  UserGroups:

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Title:
  gnome-shell crashed with SIGSEGV in meta_gpu_kms_apply_crtc_mode()
  from meta_renderer_native_finish_frame()

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[Bug 1754949] Re: gnome-shell crashed with SIGSEGV in meta_gpu_kms_apply_crtc_mode() from meta_renderer_native_finish_frame()

[Daniel van Vugt]

Upstream bug report:
https://gitlab.gnome.org/GNOME/mutter/issues/70

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Title:
  gnome-shell crashed with SIGSEGV in meta_gpu_kms_apply_crtc_mode()
  from meta_renderer_native_finish_frame()

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[Bug 1754949] Re: gnome-shell crashed with SIGSEGV in meta_gpu_kms_apply_crtc_mode() from meta_renderer_native_finish_frame()

[Daniel van Vugt]

The crash occurs on this line of code:

  g_warning ("Failed to set CRTC mode %s: %m",
crtc->current_mode->name);

As crtc is not NULL it must be current_mode or name that has an invalid
value.

** Tags added: wayland wayland-session

** Description changed:

+ https://gitlab.gnome.org/GNOME/mutter/issues/70
+ 
+ ---
+ 
  The crash was reported after booting and logging in to an X.Org session.
  
  $ lsb_release -rd
  Description:  Ubuntu Bionic Beaver (development branch)
  Release:  18.04
  
  $ apt-cache policy gnome-shell
  gnome-shell:
-   Instalovaná verze: 3.27.92-0ubuntu1
-   Kandidát:  3.27.92-0ubuntu1
-   Tabulka verzí:
-  *** 3.27.92-0ubuntu1 500
- 500 http://de.archive.ubuntu.com/ubuntu bionic/main amd64 Packages
- 100 /var/lib/dpkg/status
+   Instalovaná verze: 3.27.92-0ubuntu1
+   Kandidát:  3.27.92-0ubuntu1
+   Tabulka verzí:
+  *** 3.27.92-0ubuntu1 500
+ 500 http://de.archive.ubuntu.com/ubuntu bionic/main amd64 Packages
+ 100 /var/lib/dpkg/status
  
  ProblemType: Crash
  DistroRelease: Ubuntu 18.04
  Package: gnome-shell 3.27.92-0ubuntu1
  ProcVersionSignature: Ubuntu 4.15.0-10.11-generic 4.15.3
  Uname: Linux 4.15.0-10-generic x86_64
  NonfreeKernelModules: wl
  ApportVersion: 2.20.8-0ubuntu10
  Architecture: amd64
  CurrentDesktop: GNOME-Greeter:GNOME
  Date: Sun Mar 11 11:08:00 2018
  DisplayManager: gdm3
  ExecutablePath: /usr/bin/gnome-shell
  GsettingsChanges:
-  
+ 
  InstallationDate: Installed on 2017-12-19 (81 days ago)
  InstallationMedia: Ubuntu 17.10 "Artful Aardvark" - Release amd64 (20171018)
  ProcCmdline: /usr/bin/gnome-shell
  ProcEnviron:
-  LANGUAGE=cs_CZ
-  PATH=(custom, no user)
-  XDG_RUNTIME_DIR=
-  LANG=cs_CZ.UTF-8
-  SHELL=/bin/false
+  LANGUAGE=cs_CZ
+  PATH=(custom, no user)
+  XDG_RUNTIME_DIR=
+  LANG=cs_CZ.UTF-8
+  SHELL=/bin/false
  SegvAnalysis:
-  Segfault happened at: 0x7f3fee5d2f17 : 
mov0x20(%rax),%rcx
-  PC (0x7f3fee5d2f17) ok
-  source "0x20(%rax)" (0x0020) not located in a known VMA region (needed 
readable region)!
-  destination "%rcx" ok
+  Segfault happened at: 0x7f3fee5d2f17 : 
mov0x20(%rax),%rcx
+  PC (0x7f3fee5d2f17) ok
+  source "0x20(%rax)" (0x0020) not located in a known VMA region (needed 
readable region)!
+  destination "%rcx" ok
  SegvReason: reading NULL VMA
  Signal: 11
  SourcePackage: gnome-shell
  StacktraceTop:
-  meta_gpu_kms_apply_crtc_mode () at /usr/lib/x86_64-linux-gnu/libmutter-2.so.0
-  meta_renderer_native_finish_frame () at 
/usr/lib/x86_64-linux-gnu/libmutter-2.so.0
-  () at /usr/lib/x86_64-linux-gnu/mutter/libmutter-clutter-2.so
-  () at /usr/lib/x86_64-linux-gnu/mutter/libmutter-clutter-2.so
-  () at /usr/lib/x86_64-linux-gnu/mutter/libmutter-clutter-2.so
+  meta_gpu_kms_apply_crtc_mode () at /usr/lib/x86_64-linux-gnu/libmutter-2.so.0
+  meta_renderer_native_finish_frame () at 
/usr/lib/x86_64-linux-gnu/libmutter-2.so.0
+  () at /usr/lib/x86_64-linux-gnu/mutter/libmutter-clutter-2.so
+  () at /usr/lib/x86_64-linux-gnu/mutter/libmutter-clutter-2.so
+  () at /usr/lib/x86_64-linux-gnu/mutter/libmutter-clutter-2.so
  Title: gnome-shell crashed with SIGSEGV in meta_gpu_kms_apply_crtc_mode()
  UpgradeStatus: Upgraded to bionic on 2018-03-05 (5 days ago)
  UserGroups:

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Title:
  gnome-shell crashed with SIGSEGV in meta_gpu_kms_apply_crtc_mode()
  from meta_renderer_native_finish_frame()

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[Bug 1754949] Re: gnome-shell crashed with SIGSEGV in meta_gpu_kms_apply_crtc_mode() from meta_renderer_native_finish_frame()

[Launchpad Bug Tracker]

Status changed to 'Confirmed' because the bug affects multiple users.

** Changed in: gnome-shell (Ubuntu)
   Status: New => Confirmed

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Title:
  gnome-shell crashed with SIGSEGV in meta_gpu_kms_apply_crtc_mode()
  from meta_renderer_native_finish_frame()

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[Bug 1754949] Re: gnome-shell crashed with SIGSEGV in meta_gpu_kms_apply_crtc_mode() from meta_renderer_native_finish_frame()

[Daniel van Vugt]

** Summary changed:

- gnome-shell crashed with SIGSEGV in meta_gpu_kms_apply_crtc_mode()
+ gnome-shell crashed with SIGSEGV in meta_gpu_kms_apply_crtc_mode() from 
meta_renderer_native_finish_frame()

** Information type changed from Private to Public

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Title:
  gnome-shell crashed with SIGSEGV in meta_gpu_kms_apply_crtc_mode()
  from meta_renderer_native_finish_frame()

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