linux-kernel - Re: linux-next: Tree for Jan 25 (BROKEN suspend)

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Message-ID: <CA+icZUUh8OTXnFWzC5r=9+-uOxFEanCksBx9wMRWaY_f20cfxQ@mail.gmail.com>
Date:	Sat, 26 Jan 2013 15:33:15 +0100
From:	Sedat Dilek <sedat.dilek@...il.com>
To:	"Rafael J. Wysocki" <rjw@...k.pl>
Cc:	Stephen Rothwell <sfr@...b.auug.org.au>,
	linux-next@...r.kernel.org, linux-kernel@...r.kernel.org,
	Linux PM List <linux-pm@...ts.linux-foundation.org>,
	Linux ACPI <linux-acpi@...r.kernel.org>,
	Sasha Levin <sasha.levin@...cle.com>
Subject: Re: linux-next: Tree for Jan 25 (BROKEN suspend)

On Sat, Jan 26, 2013 at 2:24 PM, Sedat Dilek <sedat.dilek@...il.com> wrote:
> On Sat, Jan 26, 2013 at 2:25 PM, Rafael J. Wysocki <rjw@...k.pl> wrote:
>> On Saturday, January 26, 2013 12:10:32 PM Sedat Dilek wrote:
>>> On Fri, Jan 25, 2013 at 6:26 AM, Stephen Rothwell <sfr@...b.auug.org.au> wrote:
>>> > Hi all,
>>> >
>>> > Changes since 20130124:
>>> >
>>> > New trees: ipsec and ipsec-next
>>> >
>>> > The powerpc tree still had a build failure.
>>> >
>>> > The sound-asoc tree still had its build failure so I used the version from
>>> > next-20130122.
>>> >
>>> > The akpm tree lost its build failure and several patches that turned up
>>> > elsewhere.
>>> >
>>> > ----------------------------------------------------------------------------
>>> >
>>>
>>> Unfortunately, on suspend or running the pm_test/freezer leads here to
>>> a frozen machine - hard reset.
>>>
>>> I see 4-5 pages of call-traces but dunno how to log them in such a f-u-ed state.
>>> Any hints welcome!
>>>
>>> As I saw catched with my left eye on one call-trace sth. with...
>>>
>>>       kernel/watchdog.c (line #245, watchdog_overflow_callback)
>>>
>>> ... I tried to revert the last two commits from Sascha (see -3 patch,
>>> but no success.
>>>
>>> The same with reverting all cpu-freq changes since v3.8-rc4 (see -4
>>> patch) after seeing some suspicious lines on the screen.
>>>
>>> Can someone confirm that suspend is BROKEN for him/her before doing
>>> eventually a bisect?
>>
>> Can you please test the linux-next branch of the linux-pm.git tree alone?
>>
>
> That sounds like a good idea as I just reverted "cpu-hotplug,
> memory-hotplug: try offlining the node when hotremoving a cpu" [1]
> from akpm tree.
> Building... 1st with revert than trying pm-next only.
>

Your pm-next tree is fine here.

commit 0b9d032a2bf0a0224ef446f3d6048fdd8a5b8280
"Merge branch 'pm-cpufreq-next' into linux-next linux-next"

Furthermore, the culprit is not between akpm-master and akpm-current
as I have seen cpu/mem hotplug and pm changes there.

Hmm, maybe bisecting would have been faster than hunting on suspicious commits.

- Sedat -

> - Sedat -
>
> [1] http://git.kernel.org/?p=linux/kernel/git/next/linux-next.git;a=commitdiff;h=154cb61f36690edef68beb5fd9dc0a5027f9dbd9
>
>> Rafael
>>
>>
>> --
>> I speak only for myself.
>> Rafael J. Wysocki, Intel Open Source Technology Center.
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