From: CAI Qian <caiqian@redhat.com>
To: Tejun Heo <tj@kernel.org>
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: Mon, 30 Aug 2010 06:24:28 -0400 (EDT) [thread overview]
Message-ID: <1633441528.1498131283163868227.JavaMail.root@zmail06.collab.prod.int.phx2.redhat.com> (raw)
In-Reply-To: <4C7B6C07.6010800@kernel.org>
----- "Tejun Heo" <tj@kernel.org> wrote:
> 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?
Can't see any difference with hangcheck timer enabled.
> Thanks.
>
> --
> tejun
>
> _______________________________________________
> kexec mailing list
> kexec@lists.infradead.org
> http://lists.infradead.org/mailman/listinfo/kexec
next prev parent reply other threads:[~2010-08-30 10:25 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>
2010-08-29 11:41 ` caiqian
2010-08-29 11:56 ` CAI Qian
2010-08-29 11:52 ` Tejun Heo
2010-08-29 12:03 ` CAI Qian
2010-08-29 12:36 ` Tejun Heo
2010-08-30 3:42 ` CAI Qian
2010-08-30 8:29 ` Tejun Heo
2010-08-30 10:24 ` CAI Qian [this message]
2010-08-30 12:50 ` Tejun Heo
2010-08-30 14:02 ` CAI Qian
2010-08-30 14:21 ` Tejun Heo
2010-08-30 14:47 ` CAI Qian
2010-08-30 14:51 ` CAI Qian
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
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 16:38 ` Tejun Heo
2010-08-30 17:31 ` Tejun Heo
[not found] <2142316909.1477341283065016062.JavaMail.root@zmail06.collab.prod.int.phx2.redhat.com>
2010-08-29 7:01 ` caiqian
2010-08-29 8:57 ` Tejun Heo
2010-08-29 11:24 ` CAI Qian
2010-08-29 11:21 ` Tejun Heo
[not found] <229468156.1475641283020469212.JavaMail.root@zmail06.collab.prod.int.phx2.redhat.com>
2010-08-28 18:36 ` caiqian
[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
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=1633441528.1498131283163868227.JavaMail.root@zmail06.collab.prod.int.phx2.redhat.com \
--to=caiqian@redhat.com \
--cc=kexec@lists.infradead.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-next@vger.kernel.org \
--cc=tj@kernel.org \
--cc=torvalds@linux-foundation.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox
all inboxes | Powered by JetHome®