linux-raid.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Eric Sandeen <sandeen@sandeen.net>
To: "Mr. James W. Laferriere" <babydr@baby-dragons.com>
Cc: xfs@oss.sgi.com, linux-raid maillist <linux-raid@vger.kernel.org>,
	Dan Williams <dan.j.williams@intel.com>
Subject: Re: 5 concurrent bonnie runs failing after first pass .
Date: Thu, 21 Aug 2008 01:32:03 -0500	[thread overview]
Message-ID: <48AD0BE3.7020403@sandeen.net> (raw)
In-Reply-To: <Pine.LNX.4.64.0808201853480.26204@filesrv1.baby-dragons.com>

Mr. James W. Laferriere wrote:
>  	Hello Dave (& Dan & All) ,
>  	Even with your patch to xfs (49641f1acfdfd437ed9b0a70b86bf36626c02afe) 
> Under some conditions multiple concurrent bonnie runs just halt .  No log to 
> dmesg or serial console .  But there is a message from something when bonnie 
> halts . 

that "something" == bonnie ...

>  Also note the really low I/O .
> 
> 
> --- Bad Bonnie --- (multiple concurrent processes)
> filesrv2,136G,,,14389,16,10165,13,,,64722,9,134.3,0,16,212,2,+++++,+++,206,2,226,1,+++++,+++,177,2
> semop: semop failed.
> : Resource temporarily unavailable
> 

Is it unique to xfs?

this is an error from bonnie's semop() call; it's not immediately clear
that there is a problem with xfs.  Is bonnie deadlocking?  Is xfs stuck?

echo w > /proc/sysrq-trigger to see if there are stuck processes and
where they are.

-Eric


      reply	other threads:[~2008-08-21  6:32 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-08-21  3:10 5 concurrent bonnie runs failing after first pass Mr. James W. Laferriere
2008-08-21  6:32 ` Eric Sandeen [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=48AD0BE3.7020403@sandeen.net \
    --to=sandeen@sandeen.net \
    --cc=babydr@baby-dragons.com \
    --cc=dan.j.williams@intel.com \
    --cc=linux-raid@vger.kernel.org \
    --cc=xfs@oss.sgi.com \
    /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).