From: Tejun Heo <tj-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
To: CAI Qian <caiqian-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
Cc: torvalds-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b@public.gmane.org,
linux-next-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
kexec <kexec-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org>,
linux-kernel
<linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>
Subject: Re: kdump regression compared to v2.6.35
Date: Mon, 30 Aug 2010 10:29:59 +0200 [thread overview]
Message-ID: <4C7B6C07.6010800@kernel.org> (raw)
In-Reply-To: <1888320510.1487031283139773505.JavaMail.root-k5qu2F3t005+R5eDjrG6zsCp5Q1pQRjfhaY/URYTgi6ny3qCrzbmXA@public.gmane.org>
Hello,
On 08/30/2010 05:42 AM, CAI Qian wrote:
>> Hmmm... I can't reproduce it here. I wonder what the difference is.
>> Can you please trigger sysrq-t after the boot is hung and post the
>> result?
> Sysrq keys did not work at this early stage of booting for me even
> adding sysrq_always_enabled.
I see. I'll prepare a debug patch which tries to catch long execution
delays in workqueue but in the meantime can you please turn on
hangcheck timer and see whether it triggers after the kernel hangs
during boot?
Thanks.
--
tejun
next prev parent reply other threads:[~2010-08-30 8:29 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <123671462.1479561283081998014.JavaMail.root@zmail06.collab.prod.int.phx2.redhat.com>
[not found] ` <123671462.1479561283081998014.JavaMail.root-k5qu2F3t005+R5eDjrG6zsCp5Q1pQRjfhaY/URYTgi6ny3qCrzbmXA@public.gmane.org>
2010-08-29 11:41 ` kdump regression compared to v2.6.35 caiqian-H+wXaHxf7aLQT0dZR+AlfA
[not found] ` <171172387.1479581283082093912.JavaMail.root-k5qu2F3t005+R5eDjrG6zsCp5Q1pQRjfhaY/URYTgi6ny3qCrzbmXA@public.gmane.org>
2010-08-29 11:56 ` CAI Qian
[not found] ` <1236896997.1479691283083005518.JavaMail.root-k5qu2F3t005+R5eDjrG6zsCp5Q1pQRjfhaY/URYTgi6ny3qCrzbmXA@public.gmane.org>
2010-08-29 11:52 ` Tejun Heo
2010-08-29 12:03 ` CAI Qian
[not found] ` <779893521.1479771283083393771.JavaMail.root-k5qu2F3t005+R5eDjrG6zsCp5Q1pQRjfhaY/URYTgi6ny3qCrzbmXA@public.gmane.org>
2010-08-29 12:36 ` Tejun Heo
2010-08-30 3:42 ` CAI Qian
[not found] ` <1888320510.1487031283139773505.JavaMail.root-k5qu2F3t005+R5eDjrG6zsCp5Q1pQRjfhaY/URYTgi6ny3qCrzbmXA@public.gmane.org>
2010-08-30 8:29 ` Tejun Heo [this message]
2010-08-30 10:24 ` CAI Qian
[not found] ` <1633441528.1498131283163868227.JavaMail.root-k5qu2F3t005+R5eDjrG6zsCp5Q1pQRjfhaY/URYTgi6ny3qCrzbmXA@public.gmane.org>
2010-08-30 12:50 ` Tejun Heo
2010-08-30 14:02 ` CAI Qian
[not found] ` <1141332926.1524871283176937097.JavaMail.root-k5qu2F3t005+R5eDjrG6zsCp5Q1pQRjfhaY/URYTgi6ny3qCrzbmXA@public.gmane.org>
2010-08-30 14:21 ` Tejun Heo
2010-08-30 14:47 ` CAI Qian
[not found] ` <331762715.1536681283179646594.JavaMail.root-k5qu2F3t005+R5eDjrG6zsCp5Q1pQRjfhaY/URYTgi6ny3qCrzbmXA@public.gmane.org>
2010-08-30 14:51 ` CAI Qian
[not found] ` <1706089082.1537331283179884183.JavaMail.root-k5qu2F3t005+R5eDjrG6zsCp5Q1pQRjfhaY/URYTgi6ny3qCrzbmXA@public.gmane.org>
2010-08-30 14:55 ` Tejun Heo
[not found] <71887879.1606161283215975799.JavaMail.root@zmail06.collab.prod.int.phx2.redhat.com>
2010-08-31 0:53 ` caiqian
[not found] ` <2044609874.1606211283216015254.JavaMail.root-k5qu2F3t005+R5eDjrG6zsCp5Q1pQRjfhaY/URYTgi6ny3qCrzbmXA@public.gmane.org>
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
[not found] ` <1331313838.1541221283181038073.JavaMail.root-k5qu2F3t005+R5eDjrG6zsCp5Q1pQRjfhaY/URYTgi6ny3qCrzbmXA@public.gmane.org>
2010-08-30 16:38 ` Tejun Heo
[not found] ` <4C7BDE6E.8030107-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
2010-08-30 17:31 ` Tejun Heo
[not found] <2142316909.1477341283065016062.JavaMail.root@zmail06.collab.prod.int.phx2.redhat.com>
[not found] ` <2142316909.1477341283065016062.JavaMail.root-k5qu2F3t005+R5eDjrG6zsCp5Q1pQRjfhaY/URYTgi6ny3qCrzbmXA@public.gmane.org>
2010-08-29 7:01 ` caiqian-H+wXaHxf7aLQT0dZR+AlfA
[not found] ` <181596874.1477361283065264575.JavaMail.root-k5qu2F3t005+R5eDjrG6zsCp5Q1pQRjfhaY/URYTgi6ny3qCrzbmXA@public.gmane.org>
2010-08-29 8:57 ` Tejun Heo
[not found] ` <4C7A20F6.5070802-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
2010-08-29 11:24 ` CAI Qian
[not found] ` <633505726.1479321283081093502.JavaMail.root-k5qu2F3t005+R5eDjrG6zsCp5Q1pQRjfhaY/URYTgi6ny3qCrzbmXA@public.gmane.org>
2010-08-29 11:21 ` Tejun Heo
[not found] <229468156.1475641283020469212.JavaMail.root@zmail06.collab.prod.int.phx2.redhat.com>
[not found] ` <229468156.1475641283020469212.JavaMail.root-k5qu2F3t005+R5eDjrG6zsCp5Q1pQRjfhaY/URYTgi6ny3qCrzbmXA@public.gmane.org>
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
2010-08-27 12:35 CAI Qian
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