Public bug reported:
Occasionally, on my Dell GX620 with 82945G/GZ Integrated Graphics
Controller, the screen goes completely black, and eventually the GDM
login screen reappears.
I found this in the log, and that's kinda all I have!
Backtrace:
0: /usr/bin/X(xf86SigHandler+0x81) [0x80c95d1]
1: [0xffffe420]
2: /usr/bin/X [0x817e479]
3: /usr/bin/X [0x817ae05]
4: /usr/bin/X(CompositePicture+0x153) [0x81612b3]
5: /usr/bin/X [0x81675bf]
6: /usr/bin/X [0x81644b5]
7: /usr/bin/X [0x81576de]
8: /usr/bin/X(Dispatch+0x1aa) [0x808f47a]
9: /usr/bin/X(main+0x495) [0x8076f05]
10: /lib/tls/i686/cmov/libc.so.6(__libc_start_main+0xe0) [0xb7d57050]
11: /usr/bin/X(FontFileCompleteXLFD+0x1e1) [0x8076241]
Fatal server error:
Caught signal 11. Server aborting
(II) AIGLX: Suspending AIGLX clients for VT switch
(II) intel(0): xf86UnbindGARTMemory: unbind key 0
(II) intel(0): xf86UnbindGARTMemory: unbind key 1
(II) intel(0): xf86UnbindGARTMemory: unbind key 2
(II) intel(0): xf86UnbindGARTMemory: unbind key 3
II) intel(0): xf86UnbindGARTMemory: unbind key 4
** Affects: xserver-xgl (Ubuntu)
Importance: Undecided
Status: New
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Mysterious X server termination (black screen)
https://bugs.launchpad.net/bugs/245189
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