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SubjectRe: [Bug #13644] hibernation/swsusp lockup due to acpi-cpufreq
On Mon, Jun 29, 2009 at 02:31:01AM +0200, Rafael J. Wysocki wrote:
> Bug-Entry :
> Subject : hibernation/swsusp lockup due to acpi-cpufreq
> Submitter : Johannes Stezenbach <>
> Date : 2009-06-16 01:27 (13 days old)
> References :
> Handled-By : Rafael J. Wysocki <>

I tested v2.6.31-rc1-228-g2bfdd79 and the bug is still there.
It actually got worse, the local_irq_save/restore workaround
in kernel/up-c ( doesn't fix it
anymore, it hangs at suspend before writing out the image.

With the up.c workaround (including a
WARN_ON_ONCE(irqs_disabled() && !oops_in_progress);)
applied and no_console_suspend I captured the attached
output using a crappy webcam. (Without the workaround
there is a huge spew of warnings about irqs enabled
unexpectedly.) I guess the interesting part is

pm_op(): pci_pm_thaw returns -16
PM: Device 0000:00:00.0 failed to thaw: error -16

(PCI info is in

[unhandled content-type:image/jpeg]
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