http://bugzilla.kernel.org/show_bug.cgi?id=13259
Maciej Rutecki <maciej.rute...@gmail.com> changed:
What |Removed |Added
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CC| |maciej.rute...@gmail.com
--- Comment #26 from Maciej Rutecki <maciej.rute...@gmail.com> 2009-05-25
17:48:33 ---
(In reply to comment #25)
> The analysis in the bug report was that the cause is a buggy BIOS. As long as
> we're talking about one single (relatively obscure?) system that seems fine.
>
> However, the problem now also shows up for a completely different system from
> a
> different manufacturer with probably a completely different BIOS. A system
> which has never shown any problems in this area, at least not that I have
> noticed.
>
> My question is: are you still 100% sure that this *is* a BIOS or hardware
> problem, or is that new info reason to reconsider and examine if maybe after
> all there is an error somewhere in the kernel itself that results in these
> invalid readings?
I also have doubts. The message "ACPI Warning (processor_throttling-0843):
Invalid throttling state, reset" I saw in 2.6.30-rc7, found in Google, that
many people have the same. In 2.6.30-rc6 after s2ram I had:
mac...@gumis:~$ cat /proc/acpi/processor/*/throttling
state count: 8
active state: T0
state available: T0 to T7
states:
*T0: 100%
T1: 88%
T2: 75%
T3: 63%
T4: 50%
T5: 38%
T6: 25%
T7: 13%
state count: 8
active state: T-1
state available: T0 to T7
states:
T0: 100%
T1: 88%
T2: 75%
T3: 63%
T4: 50%
T5: 38%
T6: 25%
T7: 13%
Before I haven't any problems, never.
Some interesting things. In 2.6.30-rc7, always, when I try cat
/proc/acpi/processor/*/throttling, I see in dmesg:
[ 1467.264416] ACPI Warning (processor_throttling-0843): Invalid throttling
state, reset
[ 1467.264429] [20090320]
[ 1467.264816] ACPI Warning (processor_throttling-0843): Invalid throttling
state, reset
[ 1467.264827] [20090320]
[ 1531.644406] ACPI Warning (processor_throttling-0843): Invalid throttling
state, reset
[ 1531.644419] [20090320]
[ 1531.646978] ACPI Warning (processor_throttling-0843): Invalid throttling
state, reset
[ 1531.646988] [20090320]
One warning for each processor, and each "cat...". It never happens before.
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