On Wed, 30 Sep 2020 at 12:31:06 -0300, Leandro Cunha wrote: > I did this test and there was no crash, but see the attached > screenshot to see how the wallpaper.
Hmm, interesting failure mode. I think there was a bug fixed recently where the animated background draws one frame at the wrong brightness before adjusting correctly to the time of day - this might mean your Shell is actually showing half of one frame and half of another or something? > In the bug attached see from 10:29 when I started testing with Kernel > 4.19, until 10:44 that appears in the screen capture that shows both > wallpapers side by side. Normally the interface stopped responding, > but what I do is run su -c "cat /var/log/syslog > log" on tty to > check. To confirm, are you saying that the log entries from Sep 30 10:29 to 10:44 are with the 4.19 kernel from Debian 10, but with everything else (including Mesa and GNOME) taken from unstable? > What calls attention that the screen is black, but the interface does > not freeze with this version of Kernel, being that I ran the tests on > Xorg where I had the best performance so far. This looks interesting: > Sep 30 10:29:36 debian-pc gnome-shell[1707]: nouveau: kernel rejected > pushbuf: Não foi possível alocar memória > Sep 30 10:29:36 debian-pc kernel: [ 1520.979894] nouveau 0000:01:00.0: > Xorg[1558]: fail ttm_validate > Sep 30 10:29:36 debian-pc kernel: [ 1520.979904] nouveau 0000:01:00.0: > Xorg[1558]: validating bo list > Sep 30 10:29:36 debian-pc kernel: [ 1520.979915] nouveau 0000:01:00.0: > Xorg[1558]: validate: -12 > Sep 30 10:29:36 debian-pc gnome-shell[1707]: nouveau: ch7: krec 0 pushes 1 > bufs 13 relocs 0 This also looks maybe bad: > Sep 30 10:44:10 debian-pc kernel: [ 2395.486040] nouveau 0000:01:00.0: fb: > trapped read at 00473a4200 on channel 3 [1fa20000 Xorg[1558]] engine 00 > [PGRAPH] client 0a [TEXTURE] subclient 00 [] reason 00000002 > [PAGE_NOT_PRESENT] > Sep 30 10:44:10 debian-pc kernel: [ 2395.493226] nouveau 0000:01:00.0: fb: > trapped read at 0047913d00 on channel 3 [1fa20000 Xorg[1558]] engine 00 > [PGRAPH] client 0a [TEXTURE] subclient 00 [] reason 00000002 > [PAGE_NOT_PRESENT] which I think indicates a bug in the nouveau kernel-side driver? But I might be wrong. > Sep 30 10:30:59 debian-pc gnome-shell[1707]: JS ERROR: TypeError: > this._dialog is > null#012_onFocusChanged@resource:///org/gnome/shell/ui/closeDialog.js:135:9#012reset@resource:///org/gnome/shell/ui/viewSelector.js:452:26#012show@resource:///org/gnome/shell/ui/viewSelector.js:275:14#012_animateVisible@resource:///org/gnome/shell/ui/overview.js:580:27#012show@resource:///org/gnome/shell/ui/overview.js:566:14#012_onShowAppsButtonToggled@/usr/share/gnome-shell/extensions/dash-to-d...@micxgx.gmail.com/docking.js:1908:31 It's probably best if you disable extensions like dash-to-dock while testing this. smcv