From: Bruce Harada <bruce@ask.ne.jp>
To: Brian Horton <go_gators@mail.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: how to debug a deadlock'ed kernel?
Date: Wed, 12 Dec 2001 04:58:23 +0900 [thread overview]
Message-ID: <20011212045823.0bf53af9.bruce@ask.ne.jp> (raw)
In-Reply-To: <3C166540.DC0BDBEE@mail.com>
In-Reply-To: <3C166540.DC0BDBEE@mail.com>
On Tue, 11 Dec 2001 13:57:52 -0600
Brian Horton <go_gators@mail.com> wrote:
> Anyone got any good tips on how to debug a SMP system that is locked up
> in a deadlock situation in the kernel? I'm working on a kernel module,
> and after some number of hours of stress testing, the box locks up. None
> of the sysrq options show anything on the display, though the reBoot
> option does reboot the system. RedHat 6.2 and its 2.2.14 kernel. Doesn't
> hang for me on 2.4, so I need to debug it here...
>
> Any hints?
Try using a serial console (activate it in your kernel config and hook up
another PC to the serial port - if it's oopsing, you should see the oops over
the serial line.)
Also, I believe you can use kdb via serial as well (although I've never tried).
Bruce
next prev parent reply other threads:[~2001-12-11 19:58 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-12-11 19:57 how to debug a deadlock'ed kernel? Brian Horton
2001-12-11 19:58 ` Bruce Harada [this message]
2001-12-11 21:15 ` Oliver Xymoron
2001-12-11 21:41 ` george anzinger
2001-12-11 23:41 ` Brian Horton
2001-12-12 0:25 ` Oliver Xymoron
2001-12-14 21:35 ` Brian Horton
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=20011212045823.0bf53af9.bruce@ask.ne.jp \
--to=bruce@ask.ne.jp \
--cc=go_gators@mail.com \
--cc=linux-kernel@vger.kernel.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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.