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SubjectRe: [Bug #16307] i915 in kernel 2.6.35-rc3, high number of wakeups
On Mon, Aug 30, 2010 at 7:13 AM, Rafael J. Wysocki <rjw@sisk.pl> wrote:
> This message has been generated automatically as a part of a report
> of regressions introduced between 2.6.34 and 2.6.35.
>
> The following bug entry is on the current list of known regressions
> introduced between 2.6.34 and 2.6.35.  Please verify if it still should
> be listed and let the tracking team know (either way).
>
>
> Bug-Entry       : http://bugzilla.kernel.org/show_bug.cgi?id=16307
> Subject         : i915 in kernel 2.6.35-rc3, high number of wakeups
> Submitter       : Enrico Bandiello <enban@postal.uv.es>
> Date            : 2010-06-26 16:57 (65 days old)
> Message-ID      : <<4C26317A.5070309@postal.uv.es>>
> References      : http://marc.info/?l=linux-kernel&m=127757403404259&w=2

Same with v2.6.36-rc3

$ sudo powertop -d -t 20
...
Wakeups-from-idle per second : 196.2 interval: 20.0s
no ACPI power usage estimate available
Top causes for wakeups:
25.4% ( 59.6) [i915@pci:0000:00:02.0] <interrupt>
...

- Kanru
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