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SubjectRe: next-20120313 cpuidle freezes when booting
On 03/13/2012 11:29 PM, Hugh Dickins wrote:
> Hi Stephen,
> Yesterday's 3.3.0-rc7-next-20120313 gives me unpredictable freezes
> on x86_64, on a ThinkPad T420s - I've not dared it on more machines.
> Usually when booting up (sometimes just after Freeing unused kernel
> memory, sometimes random places elsewhere), but occasionally it manages
> to get as far as X; doesn't usually manage to complete suspend+resume.
> 3.3.0-rc6-nex-20120309 behaved similarly; the last I tried before
> that was 3.3.0-rc5-next20120227, which was okay.
> Bisection led me to "cpuidle: Add common time keeping and irq enabling",
> (from the cpuidle-cons tree I think), and reverting that has so far
> given me a working system (it's a success if I complete this mail).
> Below is the patch I've used to revert it (for other people having
> problems with recent linux-next to try); but it's not quite correct,
> because you did a merge on conflicting trees there, and I didn't spend
> time to unravel all that, just get a working x86 system - since I've
> left out some of your merge (in arch/arm/kernel/Makefile and arch/arm/
> mach-at91/cpuidle.c), this reversion probably breaks arm as is.

Hi Hugh,

is it possible you give the cpuidle driver your host is using ?

-- Daniel

<> │ Open source software for ARM SoCs

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