linux-kernel - Re: [2.6.24-rc6] pdflush still stuck in D state regression

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Date:	Sat, 22 Dec 2007 23:43:35 +0100
From:	"Rafael J. Wysocki" <rjw@...k.pl>
To:	"Tvrtko A. Ursulin" <tvrtko@...ulin.net>
Cc:	linux-kernel@...r.kernel.org,
	Tvrtko Ursulin <tvrtko.ursulin@...hos.com>
Subject: Re: [2.6.24-rc6] pdflush still stuck in D state regression

On Saturday, 22 of December 2007, Tvrtko A. Ursulin wrote:
> 
> Hi,

Hi,

> As it was in this bug report: http://bugzilla.kernel.org/show_bug.cgi?id=9441

I have reopened http://bugzilla.kernel.org/show_bug.cgi?id=9291 .  Please
update add the new information in there.
 
> I am still not sure it is a duplicate because it has nothing to do with reiserfs on 
> my systems. Here is the latest trace:
> 
> pdflush       S 00000000     0   139      2
>        00000000 00000046 eba01fc4 00000000 b0155a80 00000000 b0155b2c eb820000 
>        eaab6fc0 00000000 b02aa388 b034d9b0 b034d9b0 fffb6e4a fffffffc b012f0d2 
>        b012f090 00000000 00000000 b0104b6f eb817f44 00000000 00000000 00000000 
> Call Trace:
>  [<b0155a80>] pdflush+0x0/0x210
>  [<b0155b2c>] pdflush+0xac/0x210
>  [<b02aa388>] schedule+0x168/0x2e0
>  [<b012f0d2>] kthread+0x42/0x70
>  [<b012f090>] kthread+0x0/0x70
>  [<b0104b6f>] kernel_thread_helper+0x7/0x18
>  =======================
> pdflush       D 00140f4c     0   140      2
>        b02af660 00000046 eba03f10 00140f4c 0000444d 000f22fd b02aa9a9 eb5e092c 
>        eba03f74 b03cbfe8 b03cbfe8 00140f4c b0124700 eaab7500 b03cbd80 b02aa9a4 
>        6c666470 00687375 00000000 00000000 0000008c 00000064 b034da20 b02aa20b 
> Call Trace:
>  [<b02aa9a9>] schedule_timeout+0x49/0xc0
>  [<b0124700>] process_timeout+0x0/0x10
>  [<b02aa9a4>] schedule_timeout+0x44/0xc0
>  [<b02aa20b>] __sched_text_start+0xb/0x20
>  [<b015a273>] congestion_wait+0x73/0x90
>  [<b012f3f0>] autoremove_wake_function+0x0/0x50
>  [<b0155625>] wb_kupdate+0x95/0xe0
>  [<b0155a80>] pdflush+0x0/0x210
>  [<b0155b8a>] pdflush+0x10a/0x210
>  [<b0155590>] wb_kupdate+0x0/0xe0
>  [<b012f0d2>] kthread+0x42/0x70
>  [<b012f090>] kthread+0x0/0x70
>  [<b0104b6f>] kernel_thread_helper+0x7/0x18
>  =======================

Thanks,
Rafael
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