The crash occurred in Mesa gallium code (so radeon or nouveau). However
the caller was mutter (gnome-shell) from its hybrid GPU logic, which is
only used in Wayland sessions.
I know that doesn't help users right now, but it's important information
for developers.
** Summary changed:
- gnome-shell crashed with signal 7 in __memmove_avx_unaligned_erms()
+ gnome-shell crashed with SIGBUS in __memmove_avx_unaligned_erms() from
util_copy_box() from util_resource_copy_region() from
util_try_blit_via_copy_region() from lp_blit() from st_BlitFramebuffer() from
blit_framebuffer()
** Tags added: wayland wayland-session
** Information type changed from Private to Public
** Tags added: hybrid
** Also affects: mutter (Ubuntu)
Importance: Undecided
Status: New
** Also affects: mesa (Ubuntu)
Importance: Undecided
Status: New
** Tags added: nouveau
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https://bugs.launchpad.net/bugs/1759771
Title:
gnome-shell crashed with SIGBUS in __memmove_avx_unaligned_erms() from
util_copy_box() from util_resource_copy_region() from
util_try_blit_via_copy_region() from lp_blit() from
st_BlitFramebuffer() from blit_framebuffer()
Status in gnome-shell package in Ubuntu:
New
Status in mesa package in Ubuntu:
New
Status in mutter package in Ubuntu:
New
Bug description:
I do not know what caused this issue; Gnome Shell seems to be working
just fine for me. Yet the Apport app popped up so I'm reporting the
bug for the sake of completeness :)
ProblemType: Crash
DistroRelease: Ubuntu 18.04
Package: gnome-shell 3.28.0-0ubuntu1
ProcVersionSignature: Ubuntu 4.15.0-13.14-generic 4.15.10
Uname: Linux 4.15.0-13-generic x86_64
ApportVersion: 2.20.9-0ubuntu2
Architecture: amd64
CrashCounter: 1
CurrentDesktop: GNOME-Greeter:GNOME
Date: Thu Mar 29 09:22:55 2018
DisplayManager: gdm3
ExecutablePath: /usr/bin/gnome-shell
GsettingsChanges:
InstallationDate: Installed on 2016-09-05 (569 days ago)
InstallationMedia: Ubuntu-Server 16.04.1 LTS "Xenial Xerus" - Release amd64
(20160719)
ProcCmdline: /usr/bin/gnome-shell
Signal: 7
SourcePackage: gnome-shell
StacktraceTop:
__memmove_avx_unaligned_erms () at
../sysdeps/x86_64/multiarch/memmove-vec-unaligned-erms.S:370
?? () from /usr/lib/x86_64-linux-gnu/dri/nouveau_dri.so
?? () from /usr/lib/x86_64-linux-gnu/dri/nouveau_dri.so
?? () from /usr/lib/x86_64-linux-gnu/dri/nouveau_dri.so
?? () from /usr/lib/x86_64-linux-gnu/dri/nouveau_dri.so
Title: gnome-shell crashed with signal 7 in __memmove_avx_unaligned_erms()
UpgradeStatus: Upgraded to bionic on 2018-03-13 (15 days ago)
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