LKML Archive on lore.kernel.org
help / color / mirror / Atom feed
From: "Sebastian Färber" <faerber@gmail.com>
To: Don Zickus <dzickus@redhat.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: Hard LOCKUP with 2.6.32.28 (maybe scheduler/tick related?)
Date: Mon, 31 Jan 2011 15:21:27 +0100	[thread overview]
Message-ID: <AANLkTi=V5JEi8DWev+mHh8K30cc5xPsy5hr1zS+QND23@mail.gmail.com> (raw)
In-Reply-To: <20110131135218.GA12173@redhat.com>

Hi Don,

>
> Your attached 'crash' details had another stacktrace first.  That one
> shows the nmi_watchdog triggering because a spin_lock is spinning forever
> in 'd_real_path'.  I couldn't find that code in any upstream tree, then
> again I was too lazy to clone the stable trees.  So I don't know what the
> exact problem is, but if you look through the git history of 2.6.32.28 and
> revert things that relate to 'd_real_path', you can probably workaround
> the problem for now, until someone who knows that stuff better than me can
> give you a better answer.

Thanks for the pointer. The 'd_real_path' function is part of
grsecurity, i'll see if they
can help :-)

Regards,

Sebastian

      reply	other threads:[~2011-01-31 14:21 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-01-31 11:05 Sebastian Färber
2011-01-31 13:52 ` Don Zickus
2011-01-31 14:21   ` Sebastian Färber [this message]

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='AANLkTi=V5JEi8DWev+mHh8K30cc5xPsy5hr1zS+QND23@mail.gmail.com' \
    --to=faerber@gmail.com \
    --cc=dzickus@redhat.com \
    --cc=linux-kernel@vger.kernel.org \
    --subject='Re: Hard LOCKUP with 2.6.32.28 (maybe scheduler/tick related?)' \
    /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

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).