All of lore.kernel.org
 help / color / mirror / Atom feed
From: "Ken'ichi Ohmichi" <oomichi@mxs.nes.nec.co.jp>
To: Bernhard Walle <bwalle@suse.de>
Cc: kexec@lists.infradead.org
Subject: Re: [PATCH] [makedumpfile] Fix problem with `half' pages
Date: Wed, 23 May 2007 21:38:56 +0900	[thread overview]
Message-ID: <20070523213856oomichi@mail.jp.nec.com> (raw)
In-Reply-To: <20070518105003.GE16227@suse.de>


Hi Bernhard,

2007/05/18 12:50:04 +0200, Bernhard Walle <bwalle@suse.de> wrote:
>We have a system here with following memory map:
>
>/proc/iomem:
>4ffe14000-4ffe7ffff : reserved
>4ffe80000-4fffb5fff : System RAM
>4fffb6000-4ffffffff : reserved
>
>max_pfn = 1310720
>
>In that case, the last page of the "System RAM" is not full in 16K page size
>configuration. That leads to an error in makedumpfile when it checks if that's
>a zero page. It's because it tries to read the whole page and the read()
>fails because it's after the end of the dump file.
>
>That patch fixes this problem.

Thank you for the patch.
I guess there are the other problems because makedumpfile should not access
incomplete page.
To confirm the problem, I'd like to see the makedumpfile log with -D option.
Could you send it ?


Thanks
Ken'ichi Ohmichi

_______________________________________________
kexec mailing list
kexec@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/kexec

      reply	other threads:[~2007-05-23 12:38 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-05-18 10:50 [PATCH] [makedumpfile] Fix problem with `half' pages Bernhard Walle
2007-05-23 12:38 ` Ken'ichi Ohmichi [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=20070523213856oomichi@mail.jp.nec.com \
    --to=oomichi@mxs.nes.nec.co.jp \
    --cc=bwalle@suse.de \
    --cc=kexec@lists.infradead.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.