Public bug reported:
Suspend/resume doesn't work reliably on my machine, and with lots of
testing, I finally have found a remarkable pattern:
- After booting, It will suspend and resume 4 (or 5 I am not entirely sure)
times in a row without problems
- the next resume (5th) I end up with a black screen. But pressing control +
alt + F7 solves it
- the next resume (6th) works fine
- the next resume (7th) fails with a black screen, locked up.
the relevent dmesg lines are:
[ 34.592974] ACPI: Processor [CPU1] (supports 8 throttling states)
[ 34.594728] ACPI: Thermal Zone [THRM] (56 C)
[ 2.964000] Marking TSC unstable due to: possible TSC halt in C2.
[ 2.968000] Time: hpet clocksource has been installed
I have been able to reproduce this *exact* same pattern three times in a
row.
Ubuntu 7.10 all patches applied (as of november 9th)
Acer Aspire 5920G
nvidia restricted drivers
No compiz enabled
** Affects: acpi (Ubuntu)
Importance: Undecided
Status: New
** Changed in: acpi (Ubuntu)
Sourcepackagename: None => acpi
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Suspend/resume working 4 times only, then " TSC unstable "
https://bugs.launchpad.net/bugs/161751
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