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Old 04-14-11, 11:15 PM   #1
rapsure
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Default [BUG] VT switch causes wallpaper corruption in gnome-shell

In gnome-shell when switching to out of X to another vt and then back results in a corrupt background. Loading a new wallpaper image clears up the corruption.
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Last edited by rapsure; 04-16-11 at 12:05 AM.
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Old 04-21-11, 09:56 PM   #2
rapsure
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Default Re: [BUG] VT switch causes wallpaper corruption in gnome-shell

This problem persists with the 270.41.06 pre-release. Switching to a TTY and back can lead to a system freeze. I really wish your driver would hook into the kernel dump/crash so that when your driver crashes a better report could be generated. After the card couldn't be reset, service interrupts stopped being handled. Here is the last thing that your blob attempted:

Apr 21 11:37:26 rapsure kernel: NVRM: Xid (0000:01:00): 13, 0003 00000000 00008297 000015e0 00000000 00000040
Apr 21 11:37:27 rapsure kernel: NVRM: Xid (0000:01:00): 13, 0003 00000000 00008297 000015e0 00000000 00000040
Apr 21 11:37:28 rapsure kernel: NVRM: Xid (0000:01:00): 13, 0003 00000000 00008297 000015e0 00000000 00000040
Apr 21 11:37:29 rapsure kernel: NVRM: Xid (0000:01:00): 13, 0003 00000000 00008297 000015e0 00000000 00000040
Apr 21 11:37:30 rapsure kernel: NVRM: Xid (0000:01:00): 13, 0003 00000000 00008297 000015e0 00000000 00000040
Apr 21 11:37:31 rapsure kernel: NVRM: Xid (0000:01:00): 13, 0003 00000000 00008297 000015e0 00000000 00000040
Apr 21 11:37:32 rapsure kernel: NVRM: Xid (0000:01:00): 13, 0003 00000000 00008297 000015e0 00000000 00000040
Apr 21 11:37:33 rapsure kernel: NVRM: Xid (0000:01:00): 13, 0003 00000000 00008297 000015e0 00000000 00000040
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Old 04-21-11, 10:01 PM   #3
rapsure
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Default Re: [BUG] VT switch causes wallpaper corruption in gnome-shell

Here is some more Xid debug information:

NVRM: Xid (0000:01:00): 13, 0003 00000000 00008297 000015e0 00000000 00000040
gnome-shell[14601]: segfault at 58 ip 00007f21ce657d5b sp 00007fff04071b00 error 4 in libmutter.so.0.0.0[7f21ce61f000+c0000]
NVRM: Xid (0000:01:00): 56, CMDre 00000003 0000080c 20000000 00000004 00000084
NVRM: Xid (0000:01:00): 56, CMDre 00000003 00000810 00000000 00000004 00000084
NVRM: Xid (0000:01:00): 56, CMDre 00000003 00000000 00000400 00000001 00000002
usb 1-4.2: USB disconnect, address 11
NVRM: Xid (0000:01:00): 56, CMDre 00000003 00000810 00000000 00000004 00000084
NVRM: Xid (0000:01:00): 13, 0003 00000000 00008297 000015e0 00000000 00000040
NVRM: Xid (0000:01:00): 13, 0003 00000000 00008297 000015e0 00000000 00000040
NVRM: Xid (0000:01:00): 13, 0003 00000000 00008297 000015e0 00000000 00000040
NVRM: Xid (0000:01:00): 13, 0003 00000000 00008297 000015e0 00000000 00000040
NVRM: Xid (0000:01:00): 13, 0003 00000000 00008297 000015e0 00000000 00000040
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Old 04-26-11, 08:24 PM   #4
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Default Re: [BUG] VT switch causes wallpaper corruption in gnome-shell

I'm using a 64-bit install and to trigger the bug load 32-bit firefox and flash version 10.2.159.1. It appears that vdpau likely is the cause of the crash which is triggered by flash.
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Old 04-29-11, 02:42 PM   #5
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Default Re: [BUG] VT switch causes wallpaper corruption in gnome-shell

Actually I can trigger the screen corruption by simply switching to a TTY. There are times on a fresh start that the switch won't corrupt the screen and crash gnome-shell but usually the result is a crash in gnome-shell or at least desktop corruption. Right now in order to avoid the bug I have to avoid switching TTY's.
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Old 05-04-11, 02:33 PM   #6
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Default Re: [BUG] VT switch causes wallpaper corruption in gnome-shell

I also experience this bug on another computer with a geforce 7600GT so it isn't limited to just the newer than the G80 GPUs.
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Old 05-05-11, 09:27 AM   #7
sandipt
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Default Re: [BUG] VT switch causes wallpaper corruption in gnome-shell

NVIDIA internally filed Bug ID: 816457 to track this issue.
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Old 05-16-11, 01:30 PM   #8
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Default Re: [BUG] VT switch causes wallpaper corruption in gnome-shell

I am not sure if it is the same problem, but I very often get corrupted gnome-shell background upon resuming from suspend. Of course as per heisenbugs, I cannot reproduce it while typing up this post.
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Old 05-16-11, 02:42 PM   #9
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Default Re: [BUG] VT switch causes wallpaper corruption in gnome-shell

OK, looks like I got it. I can reproduce the problem consistently if I have Thunderbird window open in fullscreen and I switch VTs. Nothing gets produced in the logs though. At least not it /var/log/messages, /var/log/Xorg.0.log or dmesg.
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Old 05-16-11, 07:08 PM   #10
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Default Re: [BUG] VT switch causes wallpaper corruption in gnome-shell

The same issue happen when using Ubuntu Classic with Compiz as the window manager so not sure it's NVIDIA-specific or an Xorg redraw problem. No Xid errors.
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