Re: TSC not updating after resume: Bug or Feature?

[Thomas Gleixner]

Fabio,

On Mon, 22 Dec 2008, Fabio Comolli wrote:

> OK, it seems that you got it.
> 
> The system survived two hibernation / resume cycles without triggering
> the warning and, probably the most important part, the dmesg does not
> have any "jumps" before the "Force enable HPET on resume" line as
> before:
> 
> [  275.647704] PM: Creating hibernation image:
> [  275.648005] PM: Need to copy 177844 pages
> [  275.648005] Intel machine check architecture supported.
> [  275.648005] Intel machine check reporting enabled on CPU#0.
> [  275.648005] Force enabled HPET at resume
> [  275.648005] ACPI: Waking up from system sleep state S4
> [  275.669038] ACPI: EC: non-query interrupt received, switching to
> interrupt mode
> [  275.740697] pcieport-driver 0000:00:01.0: setting latency timer to 64
> [  275.740781] pcieport-driver 0000:00:1c.0: setting latency timer to 64
> [  275.740786] pciehp 0000:00:1c.0:pcie02: pciehp_resume ENTRY
> 
> ...and so on.
> 
> As i mentioned in the bug report, to be sure that the bug doesn't
> trigger I have to wait at least on day and > 10 hibernation / resumee
> cycles.

Sure.
 
> But with your first patch the bug triggered at the second cycle, so
> I'm optimist :-)
> 
> I'll keep you informed. Many thanks in advance,

Many thanks to you for following up on this.

     tglx
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