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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Desktop Bugs, which is subscribed to gnome-shell in Ubuntu.
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()
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