Re: On resume from suspend only CPU 0 comes back on-line [REGRESSION][BISECTED]
From: Juri Lelli
Date: Fri May 15 2015 - 04:51:09 EST
On 14/05/15 23:12, Doug Smythies wrote:
> On 2015.05.14 10:48 Ingo Molnar wrote:
>
>> * Juri Lelli <juri.lelli@xxxxxxx> wrote:
>>>> On 14/05/15 15:41, Doug Smythies wrote:
>>>> As of, or about, Kernel 4.1RC1 on resume from suspend only CPU 0 comes back on-line.
>>>> The issue persists through Kernel 4.1RC3.
>>>> This is on my test computer with an i7-2600K.
>>>> I do not normally use suspend on this computer, but was doing so while working on a bug report.
>>>>
>>>> The kernel was bisected, and this is the result:
>>>>
>>>
>>> Does commit 533445c6e533 "sched/core: Fix regression in
>>> cpuset_cpu_inactive() for suspend" on tip/sched/core
>>> fix the bug?
>
>> That would be sched/urgent primarily, not sched/core:
>> git git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git sched/urgent
>> I'll get this fix to Linus ASAP.
>
> I could not seem to figure out how to get the patch from tip,
> and any version I could find on internet would not apply properly.
>
> Juri kindly sent me the patch.
>
> With the patch applied to an otherwise unmodified Kernel 4.1RC3,
> Resume from suspend is working fine again.
>
Great! Thanks for testing :).
Best,
- Juri
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