From: Johannes Weiner <hnazfoo@googlemail.com>
To: linux-kernel@vger.kernel.org
Subject: Re: BUG() on apm resume in 2.6.18-rc2
Date: Thu, 27 Jul 2006 09:38:38 +0200 [thread overview]
Message-ID: <20060727073838.GA12586@leiferikson.gentoo> (raw)
In-Reply-To: <20060727000856.f75d2603.akpm@osdl.org>
Hi,
On Thu, Jul 27, 2006 at 12:08:56AM -0700, Andrew Morton wrote:
> (please always do reply-to-all)
Oh, sorry. Sometimes mutt doesn't recognize mails belonging to a list.
> That was an easy one - it crashed at
>
> EIP is at mcheck_init+0x4/0x80
>
> right at the start of mcheck_init(), so it had to be the access of
> mce_disabled.
>
> It accessed the address c0729c38:
>
> BUG: unable to handle kernel paging request at virtual address c0729c38
>
> and the code dump shows an access to that address.
>
> And the only way in which an access to a global variable of this nature can
> oops is if that variable has been unmapped from the kenrel address space.
> We unmap (and reuse) the __init memory, so it had to be a sectioning bug.
The fix was clear to me, though. After seeing it, I could imagine what
went wrong.
Hannes
next prev parent reply other threads:[~2006-07-27 7:39 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-07-27 3:38 J. Bruce Fields
2006-07-27 6:10 ` Andrew Morton
2006-07-27 6:29 ` Johannes Weiner
2006-07-27 7:08 ` Andrew Morton
2006-07-27 7:38 ` Johannes Weiner [this message]
2006-07-28 4:34 ` J. Bruce Fields
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=20060727073838.GA12586@leiferikson.gentoo \
--to=hnazfoo@googlemail.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 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®