linux-kernel - Re: [Bug #17341] kdump regression compared to v2.6.35

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Date:	Tue, 21 Sep 2010 02:19:52 +0200
From:	"Rafael J. Wysocki" <rjw@...k.pl>
To:	caiqian@...hat.com
Cc:	Kernel Testers List <kernel-testers@...r.kernel.org>,
	Maciej Rutecki <maciej.rutecki@...il.com>,
	Florian Mickler <florian@...kler.org>,
	Tejun Heo <tj@...nel.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [Bug #17341] kdump regression compared to v2.6.35

On Tuesday, September 21, 2010, caiqian@...hat.com wrote:
> It had been fixed by Tejun already.
> 
> commit 477a3c33d1efa0342a74bd02da2e049191993e2c
> Author: Tejun Heo <tj@...nel.org>
> Date:   Tue Aug 31 10:54:35 2010 +0200
> 
>     workqueue: fix GCWQ_DISASSOCIATED initialization
>     
>     init_workqueues() incorrectly marks workqueues for all possible CPUs
>     associated.  Combined with mayday_mask initialization bug, this can
>     make rescuers keep trying to bind to an offline gcwq indefinitely.
>     Fix init_workqueues() such that only online CPUs have their gcwqs have
>     GCWQ_DISASSOCIATED cleared.

Thanks, closing.

Rafael
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