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From: Tejun Heo <tj@kernel.org>
To: caiqian@redhat.com
Cc: kexec <kexec@lists.infradead.org>,
	linux-next@vger.kernel.org, torvalds@linux-foundation.org,
	linux-kernel <linux-kernel@vger.kernel.org>
Subject: Re: kdump regression compared to v2.6.35
Date: Sun, 29 Aug 2010 10:57:26 +0200	[thread overview]
Message-ID: <4C7A20F6.5070802@kernel.org> (raw)
In-Reply-To: <181596874.1477361283065264575.JavaMail.root@zmail06.collab.prod.int.phx2.redhat.com>

On 08/29/2010 09:01 AM, caiqian@redhat.com wrote:
> Further bisect indicated this bad commit from the merge. Given kdump
> kernel was running with maxcpus=1, I guess this work caused fs/bio.c
> hung in the workqueue on UP. Reverted the whole merge let kdump work
> again.

Can you please pull from the following git tree and see whether it
fixes the problem?  There was a bug in nr_active accounting.

  git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq.git for-linus

Thanks.

-- 
tejun

_______________________________________________
kexec mailing list
kexec@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/kexec

WARNING: multiple messages have this Message-ID (diff)
From: Tejun Heo <tj-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
To: caiqian-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org
Cc: kexec <kexec-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org>,
	linux-next-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	torvalds-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b@public.gmane.org,
	linux-kernel
	<linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>
Subject: Re: kdump regression compared to v2.6.35
Date: Sun, 29 Aug 2010 10:57:26 +0200	[thread overview]
Message-ID: <4C7A20F6.5070802@kernel.org> (raw)
In-Reply-To: <181596874.1477361283065264575.JavaMail.root-k5qu2F3t005+R5eDjrG6zsCp5Q1pQRjfhaY/URYTgi6ny3qCrzbmXA@public.gmane.org>

On 08/29/2010 09:01 AM, caiqian-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org wrote:
> Further bisect indicated this bad commit from the merge. Given kdump
> kernel was running with maxcpus=1, I guess this work caused fs/bio.c
> hung in the workqueue on UP. Reverted the whole merge let kdump work
> again.

Can you please pull from the following git tree and see whether it
fixes the problem?  There was a bug in nr_active accounting.

  git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq.git for-linus

Thanks.

-- 
tejun

WARNING: multiple messages have this Message-ID (diff)
From: Tejun Heo <tj@kernel.org>
To: caiqian@redhat.com
Cc: torvalds@linux-foundation.org, linux-next@vger.kernel.org,
	kexec <kexec@lists.infradead.org>,
	linux-kernel <linux-kernel@vger.kernel.org>
Subject: Re: kdump regression compared to v2.6.35
Date: Sun, 29 Aug 2010 10:57:26 +0200	[thread overview]
Message-ID: <4C7A20F6.5070802@kernel.org> (raw)
In-Reply-To: <181596874.1477361283065264575.JavaMail.root@zmail06.collab.prod.int.phx2.redhat.com>

On 08/29/2010 09:01 AM, caiqian@redhat.com wrote:
> Further bisect indicated this bad commit from the merge. Given kdump
> kernel was running with maxcpus=1, I guess this work caused fs/bio.c
> hung in the workqueue on UP. Reverted the whole merge let kdump work
> again.

Can you please pull from the following git tree and see whether it
fixes the problem?  There was a bug in nr_active accounting.

  git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq.git for-linus

Thanks.

-- 
tejun

  reply	other threads:[~2010-08-29  9:04 UTC|newest]

Thread overview: 70+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <2142316909.1477341283065016062.JavaMail.root@zmail06.collab.prod.int.phx2.redhat.com>
2010-08-29  7:01 ` kdump regression compared to v2.6.35 caiqian
2010-08-29  7:01   ` caiqian
2010-08-29  7:01   ` caiqian-H+wXaHxf7aLQT0dZR+AlfA
2010-08-29  8:57   ` Tejun Heo [this message]
2010-08-29  8:57     ` Tejun Heo
2010-08-29  8:57     ` Tejun Heo
2010-08-29 11:24     ` CAI Qian
2010-08-29 11:24       ` CAI Qian
2010-08-29 11:24       ` CAI Qian
2010-08-29 11:21       ` Tejun Heo
2010-08-29 11:21         ` Tejun Heo
2010-08-29 11:21         ` Tejun Heo
     [not found] <71887879.1606161283215975799.JavaMail.root@zmail06.collab.prod.int.phx2.redhat.com>
2010-08-31  0:53 ` caiqian
2010-08-31  0:53   ` caiqian
2010-08-31  9:22   ` Tejun Heo
2010-08-31  9:22     ` Tejun Heo
2010-08-31  9:22     ` Tejun Heo
     [not found] <373987879.1541191283181021800.JavaMail.root@zmail06.collab.prod.int.phx2.redhat.com>
2010-08-30 15:10 ` caiqian
2010-08-30 15:10   ` caiqian
2010-08-30 16:38   ` Tejun Heo
2010-08-30 16:38     ` Tejun Heo
2010-08-30 16:38     ` Tejun Heo
2010-08-30 17:31     ` Tejun Heo
2010-08-30 17:31       ` Tejun Heo
2010-08-30 17:31       ` Tejun Heo
     [not found] <123671462.1479561283081998014.JavaMail.root@zmail06.collab.prod.int.phx2.redhat.com>
2010-08-29 11:41 ` caiqian
2010-08-29 11:41   ` caiqian
2010-08-29 11:41   ` caiqian-H+wXaHxf7aLQT0dZR+AlfA
2010-08-29 11:56   ` CAI Qian
2010-08-29 11:56     ` CAI Qian
2010-08-29 11:56     ` CAI Qian
2010-08-29 11:52     ` Tejun Heo
2010-08-29 11:52       ` Tejun Heo
2010-08-29 11:52       ` Tejun Heo
2010-08-29 12:03       ` CAI Qian
2010-08-29 12:03         ` CAI Qian
2010-08-29 12:36         ` Tejun Heo
2010-08-29 12:36           ` Tejun Heo
2010-08-29 12:36           ` Tejun Heo
2010-08-30  3:42           ` CAI Qian
2010-08-30  3:42             ` CAI Qian
2010-08-30  8:29             ` Tejun Heo
2010-08-30  8:29               ` Tejun Heo
2010-08-30  8:29               ` Tejun Heo
2010-08-30 10:24               ` CAI Qian
2010-08-30 10:24                 ` CAI Qian
2010-08-30 12:50                 ` Tejun Heo
2010-08-30 12:50                   ` Tejun Heo
2010-08-30 12:50                   ` Tejun Heo
2010-08-30 14:02                   ` CAI Qian
2010-08-30 14:02                     ` CAI Qian
2010-08-30 14:21                     ` Tejun Heo
2010-08-30 14:21                       ` Tejun Heo
2010-08-30 14:21                       ` Tejun Heo
2010-08-30 14:47                       ` CAI Qian
2010-08-30 14:47                         ` CAI Qian
2010-08-30 14:51                         ` CAI Qian
2010-08-30 14:51                           ` CAI Qian
2010-08-30 14:51                           ` CAI Qian
2010-08-30 14:55                           ` Tejun Heo
2010-08-30 14:55                             ` Tejun Heo
2010-08-30 14:55                             ` Tejun Heo
     [not found] <229468156.1475641283020469212.JavaMail.root@zmail06.collab.prod.int.phx2.redhat.com>
2010-08-28 18:36 ` caiqian
2010-08-28 18:36   ` caiqian
2010-08-28 18:36   ` caiqian-H+wXaHxf7aLQT0dZR+AlfA
     [not found] <2082161789.1474781283008521258.JavaMail.root@zmail06.collab.prod.int.phx2.redhat.com>
2010-08-28 15:19 ` caiqian
2010-08-28 15:19   ` caiqian
2010-08-27 12:35 CAI Qian
2010-08-27 12:35 ` CAI Qian
2010-08-27 12:35 ` CAI Qian

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