From: Marek Marczykowski <marmarek@invisiblethingslab.com>
To: Ben Guthro <ben@guthro.net>
Cc: Jan Beulich <JBeulich@suse.com>, xen-devel@lists.xen.org
Subject: Re: Only CPU0 active after ACPI S3, xen 4.1.3
Date: Fri, 21 Dec 2012 00:17:07 +0100 [thread overview]
Message-ID: <50D39C73.906@invisiblethingslab.com> (raw)
In-Reply-To: <CAOvdn6V1aeLr+VsA2rrizDa8a0dOUMoWzea8Le+hvM1QOdPFsA@mail.gmail.com>
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On 20.12.2012 20:41, Ben Guthro wrote:
> See if the attached patch helps.
> This was a patch I forgot was still in my queue, that Jan had some
> objections about (though I don't recall specifically what they were)
> I had found that the scheduler was removing all cpus during suspend, and
> this seemed to help with that, IIRC.
>
> That said - I'm starting to be forced to look back into S3 issues, as while
> I thought they were all resolved, they are not.
> I have an Ivybridge laptop that I didn't have back in May that exhibits
> some issues very similar to those that I was trying to solve with Jan in
> the thread I pasted above.
>
> This particular machine goes to sleep, and when it resumes, the disk light
> flashes briefly, and then the sleep led goes back to pulsing.
With this patch applied (on 4.1.4 and 4.3-unstable), I've got original symptom
- only CPU0 active after ACPI S3. Didn't get reboot after few tries.
"xl debug-key r" output attached.
Anyway it looks like bug was introduced somehow between 4.1.2 and 4.1.3 - on
4.1.2 none of above problems happened.
--
Best Regards / Pozdrawiam,
Marek Marczykowski
Invisible Things Lab
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(XEN) sched_smt_power_savings: disabled
(XEN) NOW=0x000000592C3F629D
(XEN) Idle cpupool:
(XEN) Scheduler: SMP Credit Scheduler (credit)
(XEN) info:
(XEN) ncpus = 4
(XEN) master = 0
(XEN) credit = 1200
(XEN) credit balance = 466
(XEN) weight = 512
(XEN) runq_sort = 3709
(XEN) default-weight = 256
(XEN) tslice = 30ms
(XEN) credits per msec = 10
(XEN) ticks per tslice = 3
(XEN) migration delay = 0us
(XEN) idlers: 00000000,00000000,00000000,0000000e
(XEN) active vcpus:
(XEN) 1: [0.1] pri=0 flags=0 cpu=0 credit=208 [w=512]
(XEN) Cpupool 0:
(XEN) Scheduler: SMP Credit Scheduler (credit)
(XEN) info:
(XEN) ncpus = 4
(XEN) master = 0
(XEN) credit = 1200
(XEN) credit balance = 466
(XEN) weight = 512
(XEN) runq_sort = 3709
(XEN) default-weight = 256
(XEN) tslice = 30ms
(XEN) credits per msec = 10
(XEN) ticks per tslice = 3
(XEN) migration delay = 0us
(XEN) idlers: 00000000,00000000,00000000,0000000e
(XEN) active vcpus:
(XEN) 1: [0.1] pri=0 flags=0 cpu=0 credit=208 [w=512]
(XEN) CPU[00] sort=3708, sibling=00000000,00000000,00000000,00000003, core=00000000,00000000,00000000,0000000f
(XEN) run: [0.1] pri=0 flags=0 cpu=0 credit=208 [w=512]
(XEN) 1: [32767.0] pri=-64 flags=0 cpu=0
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next prev parent reply other threads:[~2012-12-20 23:17 UTC|newest]
Thread overview: 37+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-11-29 18:55 Only CPU0 active after ACPI S3, xen 4.1.3 Marek Marczykowski
2012-11-30 9:33 ` Jan Beulich
2012-11-30 16:07 ` Marek Marczykowski
2012-11-30 16:12 ` Jan Beulich
2012-11-30 16:18 ` Marek Marczykowski
2012-12-03 7:39 ` Jan Beulich
2012-12-04 13:27 ` Marek Marczykowski
2012-12-20 15:59 ` Marek Marczykowski
2012-12-20 16:37 ` Jan Beulich
2012-12-20 19:41 ` Ben Guthro
2012-12-20 23:17 ` Marek Marczykowski [this message]
2012-12-21 4:52 ` Marek Marczykowski
2012-12-21 8:55 ` Jan Beulich
2012-12-21 13:33 ` Marek Marczykowski
2012-12-21 13:34 ` Marek Marczykowski
2012-12-21 13:42 ` Jan Beulich
2012-12-21 13:59 ` Marek Marczykowski
2012-12-21 14:03 ` Ben Guthro
2012-12-21 14:05 ` Jan Beulich
2012-12-21 15:30 ` Marek Marczykowski
2012-12-21 15:54 ` Ben Guthro
2012-12-21 16:03 ` Jan Beulich
2012-12-21 16:18 ` Ben Guthro
2012-12-23 2:49 ` Marek Marczykowski
2012-12-23 13:45 ` Ben Guthro
2012-12-31 12:51 ` Ben Guthro
2013-01-03 8:52 ` Jan Beulich
2013-01-16 11:22 ` George Dunlap
2013-01-16 11:58 ` George Dunlap
2013-01-16 13:08 ` Jan Beulich
2013-01-16 13:58 ` George Dunlap
2013-01-16 14:31 ` Jan Beulich
2013-01-03 8:52 ` Jan Beulich
2013-01-12 7:05 ` Marek Marczykowski
2013-01-14 3:28 ` Marek Marczykowski
2012-11-30 21:33 ` Konrad Rzeszutek Wilk
2012-11-30 22:12 ` Ben Guthro
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