From: "Rafael J. Wysocki" <rjw@sisk•pl>
To: sedat.dilek@gmail•com
Cc: Stephen Rothwell <sfr@canb•auug.org.au>,
linux-next@vger•kernel.org, linux-kernel@vger•kernel.org,
Theodore Ts'o <tytso@mit•edu>,
linux-fsdevel <linux-fsdevel@vger•kernel.org>,
Linux PM List <linux-pm@lists•linux-foundation.org>,
Linux ACPI <linux-acpi@vger•kernel.org>
Subject: Re: linux-next: Tree for Jan 18 [ BROKEN suspend: jbd2|acpi|pm? ]
Date: Sat, 19 Jan 2013 00:03:36 +0100 [thread overview]
Message-ID: <7512036.J8YjOYJ942@vostro.rjw.lan> (raw)
In-Reply-To: <CA+icZUUTkr2wxu6qMJNxMNsWpJzubwCGFF80h0sc2B+qiATNNA@mail.gmail.com>
On Friday, January 18, 2013 11:35:40 PM Sedat Dilek wrote:
> On Fri, Jan 18, 2013 at 11:20 PM, Rafael J. Wysocki <rjw@sisk•pl> wrote:
> > On Friday, January 18, 2013 11:11:07 PM Sedat Dilek wrote:
> >> On Fri, Jan 18, 2013 at 5:37 AM, Stephen Rothwell <sfr@canb•auug.org.au> wrote:
> >> > Hi all,
> >> >
> >> > Changes since 20130117:
> >> >
> >> > Undropped tree: samung
> >> >
> >> > The powerpc tree still had a build failure.
> >> >
> >> > The driver-core tree gained a build failure for which I applied a merge
> >> > fix patch.
> >> >
> >> > The gpio-lw tree gained a build failure so I used the version from
> >> > next-20130117.
> >> >
> >> > The samsung tree lost the majority of its conflicts but gained more
> >> > against the arm-soc and slave-dma tree.
> >> >
> >> > ----------------------------------------------------------------------------
> >> >
> >>
> >> From my dmesg diff-file:
> >>
> >> +[ 288.730849] PM: Syncing filesystems ... done.
> >> +[ 294.050498] Freezing user space processes ... (elapsed 0.04 seconds) done.
> >> +[ 294.097024] Freezing remaining freezable tasks ...
> >> +[ 314.098849] Freezing of tasks failed after 20.01 seconds (1 tasks
> >> refusing to freeze, wq_busy=0):
> >> +[ 314.098862] jbd2/loop0-8 D ffffffff8180d780 0 297 2 0x00000000
> >> +[ 314.098865] ffff880117ec5b68 0000000000000046 ffff880117ec5b08
> >> ffffffff81044c29
> >> +[ 314.098868] ffff88011829dc80 ffff880117ec5fd8 ffff880117ec5fd8
> >> ffff880117ec5fd8
> >> +[ 314.098871] ffff880119b34560 ffff88011829dc80 ffff880117ec5b68
> >> ffff88011fad4738
> >> +[ 314.098873] Call Trace:
> >> +[ 314.098881] [<ffffffff81044c29>] ? default_spin_lock_flags+0x9/0x10
> >> +[ 314.098885] [<ffffffff811c63e0>] ? __wait_on_buffer+0x30/0x30
> >> +[ 314.098888] [<ffffffff816b4b59>] schedule+0x29/0x70
> >> +[ 314.098890] [<ffffffff816b4c2f>] io_schedule+0x8f/0xd0
> >> +[ 314.098892] [<ffffffff811c63ee>] sleep_on_buffer+0xe/0x20
> >> +[ 314.098896] [<ffffffff816b342f>] __wait_on_bit+0x5f/0x90
> >> +[ 314.098898] [<ffffffff811c5aa1>] ? submit_bh+0x121/0x1e0
> >> +[ 314.098900] [<ffffffff811c63e0>] ? __wait_on_buffer+0x30/0x30
> >> +[ 314.098903] [<ffffffff816b34dc>] out_of_line_wait_on_bit+0x7c/0x90
> >> +[ 314.098906] [<ffffffff8107eb00>] ? autoremove_wake_function+0x40/0x40
> >> +[ 314.098909] [<ffffffff811c63de>] __wait_on_buffer+0x2e/0x30
> >> +[ 314.098913] [<ffffffff8128a6a1>]
> >> jbd2_journal_commit_transaction+0x1791/0x1960
> >> +[ 314.098917] [<ffffffff8109269d>] ? sched_clock_cpu+0xbd/0x110
> >> +[ 314.098920] [<ffffffff8107eac0>] ? add_wait_queue+0x60/0x60
> >> +[ 314.098923] [<ffffffff81069fbf>] ? try_to_del_timer_sync+0x4f/0x70
> >> +[ 314.098925] [<ffffffff8128e4e8>] kjournald2+0xb8/0x240
> >> +[ 314.098927] [<ffffffff8107eac0>] ? add_wait_queue+0x60/0x60
> >> +[ 314.098929] [<ffffffff8128e430>] ? commit_timeout+0x10/0x10
> >> +[ 314.098931] [<ffffffff8107ded0>] kthread+0xc0/0xd0
> >> +[ 314.098933] [<ffffffff8107de10>] ? flush_kthread_worker+0xb0/0xb0
> >> +[ 314.098936] [<ffffffff816be52c>] ret_from_fork+0x7c/0xb0
> >> +[ 314.098938] [<ffffffff8107de10>] ? flush_kthread_worker+0xb0/0xb0
> >> +[ 314.098969]
> >> +[ 314.098970] Restarting kernel threads ... done.
> >> +[ 314.099052] Restarting tasks ... done.
> >>
> >> Please, have a lot at it.
> >
> > This is a freezer failure while freezing kernel threads, so I don't think it's
> > related to ACPI or PM directly.
> >
> > Does it happen on every suspend?
> >
>
> No, I only did one S/R.
Well, it would be good to try to reproduce it.
> I have built a 2nd new kernel where I pulled-in latest pm.git#linux-next.
> With this kernel two S/Rs were fine - but that says not much.
The linux-pm.git tree doesn't contain any changes related to the freezer.
It most likely is something that removed a try_to_freeze() check from a
freezable kernel thread, but in that case the issue should be 100%
reproducible.
Thanks,
Rafael
--
I speak only for myself.
Rafael J. Wysocki, Intel Open Source Technology Center.
prev parent reply other threads:[~2013-01-18 23:03 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-01-18 22:11 linux-next: Tree for Jan 18 [ BROKEN suspend: jbd2|acpi|pm? ] Sedat Dilek
2013-01-18 22:20 ` Rafael J. Wysocki
2013-01-18 22:35 ` Sedat Dilek
2013-01-18 22:56 ` Sedat Dilek
2013-01-18 23:25 ` Rafael J. Wysocki
2013-01-18 23:28 ` Sedat Dilek
2013-01-18 23:39 ` Rafael J. Wysocki
2013-01-18 23:41 ` Sedat Dilek
2013-01-18 23:58 ` Rafael J. Wysocki
2013-01-19 0:00 ` Sedat Dilek
2013-01-19 0:24 ` Sedat Dilek
2013-01-19 1:06 ` Sedat Dilek
[not found] ` <CA+icZUVJujqWdXP7tM5CBRT53Mx7ycOJPfQqXs-wbRebcrP9pQ@mail.gmail.com>
2013-01-19 2:13 ` Sedat Dilek
2013-01-19 12:46 ` Sedat Dilek
2013-01-18 23:03 ` Rafael J. Wysocki [this message]
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