From: Maxim <maximlevitsky@gmail.com>
To: Adrian Bunk <bunk@stusta.de>
Cc: "Linus Torvalds" <torvalds@linux-foundation.org>,
"Andrew Morton" <akpm@linux-foundation.org>,
"Linux Kernel Mailing List" <linux-kernel@vger.kernel.org>,
"Dave Jones" <davej@redhat.com>,
"Jeremy Fitzhardinge" <jeremy@goop.org>,
"Eric W. Biederman" <ebiederm@xmission.com>,
"Rafael J. Wysocki" <rjw@sisk.pl>,
gregkh@suse.de, linux-pci@atrey.karlin.mff.cuni.c, pavel@suse.cz,
linux-pm@lists.osdl.org,
"Frédéric RISS" <frederic.riss@gmail.com>,
"Tino Keitel" <tino.keitel@gmx.de>,
"Bob Moore" <robert.moore@intel.com>,
lenb@kernel.org, linux-acpi@vger.kernel.org,
"Tobias Doerffel" <tobias.doerffel@gmail.com>,
"Jens Axboe" <jens.axboe@oracle.com>,
"Jeff Chua" <jeff.chua.linux@gmail.com>,
"Mike Harris" <atarimike@wavecable.com>,
"Marcus Better" <marcus@better.se>,
"Michael S. Tsirkin" <mst@mellanox.co.il>,
"Thomas Meyer" <thomas@m3y3r.de>,
"Thomas Gleixner" <tglx@linutronix.de>
Subject: Re: [3/5] 2.6.21-rc4: known regressions (v2)
Date: Fri, 23 Mar 2007 21:07:33 +0200 [thread overview]
Message-ID: <200703232107.34020.maximlevitsky@gmail.com> (raw)
In-Reply-To: <20070323185022.GQ752@stusta.de>
On Friday 23 March 2007 20:50:22 Adrian Bunk wrote:
> Subject : suspend to disk hangs
> References : http://lkml.org/lkml/2007/3/16/126
> Submitter : Maxim Levitsky <maximlevitsky@gmail.com>
> Caused-By : Rafael J. Wysocki <rjw@sisk.pl>
> commit e3c7db621bed4afb8e231cb005057f2feb5db557
> commit ed746e3b18f4df18afa3763155972c5835f284c5
> commit 259130526c267550bc365d3015917d90667732f1
> Status : unknown
>
>
Hello,
It is fixed
The problem is that now cpu_up/cpu_down is called with tasks frozen,
and this can lead to deadlock if some driver that registered cpu up/down notifier, sleeps,
On my system it froze in two places, one in XFS due to freezable workqueues, and in
microcode update driver that ask the "frozen" userspace for firmware.
Fix for XFS is already in mainline, and Rafael J. Wysocki. already posted a patch that fixes microcode issue,
I will test it.
But I feel that there are more drivers that can deadlock system in same way, on my system S3/S4 works perfect :-)
Even the weird hang i had disappeared.
Big thanks to Rafael J. Wysocki.
Best regards,
Maxim Levitsky
next prev parent reply other threads:[~2007-03-23 19:07 UTC|newest]
Thread overview: 69+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <Pine.LNX.4.64.0703160925270.26106@woody.linux-foundation.org>
2007-03-18 18:49 ` [2/6] 2.6.21-rc4: known regressions Adrian Bunk
2007-03-18 18:49 ` [3/6] " Adrian Bunk
2007-03-26 1:25 ` Jeff Chua
2007-03-26 4:05 ` Adrian Bunk
2007-03-26 5:37 ` Jeff Chua
2007-03-26 16:26 ` Thomas Gleixner
2007-03-26 17:46 ` Jeff Chua
2007-03-28 7:04 ` Thomas Gleixner
2007-03-28 13:43 ` Maxim
2007-03-28 14:41 ` Ingo Molnar
2007-03-28 15:01 ` Maxim
2007-03-28 16:38 ` Linus Torvalds
2007-03-28 19:38 ` David Brownell
2007-03-28 20:19 ` [linux-pm] " Maxim
2007-03-28 20:59 ` David Brownell
2007-03-28 21:27 ` Maxim
2007-03-29 22:33 ` David Brownell
2007-03-29 23:29 ` Maxim Levitsky
2007-03-30 0:09 ` [linux-pm] " David Brownell
2007-03-30 0:48 ` Maxim Levitsky
2007-03-28 20:42 ` Linus Torvalds
2007-03-28 21:17 ` [linux-pm] " David Brownell
2007-03-28 22:26 ` Maxim
2007-03-29 4:41 ` [ PATCH] Add suspend/resume for HPET was: " Maxim
2007-03-29 5:08 ` Linus Torvalds
2007-03-29 5:47 ` Maxim
2007-03-29 13:20 ` Sergei Shtylyov
2007-03-29 13:31 ` Maxim
2007-03-29 13:46 ` [PATCH v2] Add suspend/resume for HPET Maxim Levitsky
2007-03-29 16:53 ` Linus Torvalds
2007-03-29 17:28 ` Maxim Levitsky
2007-03-29 17:51 ` Ingo Molnar
2007-03-29 20:46 ` Andi Kleen
2007-03-29 18:11 ` Jeff Chua
2007-03-31 15:51 ` Thomas Gleixner
2007-03-31 16:01 ` Jeff Chua
2007-03-31 16:09 ` Thomas Gleixner
2007-03-31 16:09 ` Linus Torvalds
2007-03-31 16:33 ` Thomas Gleixner
2007-03-31 16:41 ` Greg KH
2007-03-31 16:53 ` Linus Torvalds
2007-03-31 17:02 ` Ingo Molnar
2007-03-31 18:18 ` [linux-pm] " David Brownell
2007-03-31 19:32 ` David Brownell
2007-04-01 3:13 ` Jeff Chua
2007-04-01 4:13 ` David Brownell
2007-03-31 17:08 ` Greg KH
2007-03-31 17:55 ` [linux-pm] " David Brownell
2007-03-31 16:56 ` Maxim Levitsky
2007-03-31 17:09 ` Linus Torvalds
2007-03-31 17:17 ` Ingo Molnar
2007-03-31 17:58 ` Daniel Walker
2007-03-29 16:35 ` [ PATCH] Add suspend/resume for HPET was: Re: [3/6] 2.6.21-rc4: known regressions Linus Torvalds
2007-03-29 16:51 ` Maxim Levitsky
2007-03-29 17:22 ` Linus Torvalds
2007-03-29 17:47 ` [patch, v2] add suspend/resume for HPET Ingo Molnar
2007-03-28 18:04 ` [3/6] 2.6.21-rc4: known regressions Michael S. Tsirkin
2007-03-28 18:32 ` Ingo Molnar
2007-03-28 18:35 ` Randy Dunlap
2007-03-29 14:24 ` Jeff Chua
2007-03-23 18:48 ` [2/5] 2.6.21-rc4: known regressions (v2) Adrian Bunk
2007-03-26 10:01 ` Tejun Heo
2007-03-23 18:50 ` [3/5] " Adrian Bunk
2007-03-23 19:07 ` Maxim [this message]
2007-03-24 17:04 ` Thomas Meyer
2007-03-24 18:02 ` Eric W. Biederman
2007-03-23 18:50 ` [4/5] " Adrian Bunk
2007-03-24 11:25 ` 2.6.21-rc4: known regressions with patches (v2) Adrian Bunk
2007-03-26 12:37 ` Bob Tracy
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