From: thayumker@gmail.com (Thayumanavar S)
To: kernelnewbies@lists.kernelnewbies.org
Subject: Debug Kernel Crash
Date: Thu, 31 Mar 2011 08:28:49 -0700 [thread overview]
Message-ID: <AANLkTim_iX2TnqTsXQjLty39_heb+96GvmjUkXJ63C2E@mail.gmail.com> (raw)
In-Reply-To: <AANLkTikJxxBCxgucaYo-ug67B9WXKgg-KYT6jt5aGtai@mail.gmail.com>
> kernel. following are the
> commands am using. Can some one point, if there is any thing wrong with
> this.
> chkconfig kdump on
> /etc/init.d/kdump start
> kexec -l --append="`cat /proc/cmdline`"
> --initrd=/boot/initrd.img-2.6.35.10-kdump /boot/vmlinuz-2.6.35.10-kdump
> kexec -e
> works fine and loads the kernel successfully, i will be able to see starting
> new kernel in the shell
> chkconfig kdump on
> /etc/init.d/kdump start
> kexec -p --append="`cat /proc/cmdline`" --initrd=/boot/initrd.img-2.6.35.10
> -kdump
> ?/boot/vmlinuz-2.6.35.10
> -kdump
> i simulate the panic by using
> echo 1 > /proc/sys/kernel/sysrq
> echo c > /proc/sysrq-trigger
> which just crash the kernel and system hangs, and it does not show any
> message?starting new kernel.
does /var/crash or kdump target directory as mentioned in
/etc/kdump.conf exists?
sometime it may be a while before it starts to dump if memory on
machine is huge and
you have set kdump level to dump everything.
thx,thayumanavar s.
next prev parent reply other threads:[~2011-03-31 15:28 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-03-31 4:05 Debug Kernel Crash swathi suresh
2011-03-31 7:34 ` swathi suresh
2011-03-31 15:28 ` Thayumanavar S [this message]
2011-04-01 3:37 ` swathi suresh
2011-04-01 7:17 ` Thayumanavar S
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=AANLkTim_iX2TnqTsXQjLty39_heb+96GvmjUkXJ63C2E@mail.gmail.com \
--to=thayumker@gmail.com \
--cc=kernelnewbies@lists.kernelnewbies.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;
as well as URLs for NNTP newsgroup(s).