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From: Stefan Priebe - Profihost AG <s.priebe@profihost.ag>
To: Christoph Hellwig <hch@infradead.org>
Cc: "xfs-masters@oss.sgi.com" <xfs-masters@oss.sgi.com>,
	"xfs@oss.sgi.com" <xfs@oss.sgi.com>,
	aelder@sgi.com
Subject: Re: xfs deadlock in stable kernel 3.0.4
Date: Sun, 18 Sep 2011 11:14:08 +0200	[thread overview]
Message-ID: <4E75B660.1030502@profihost.ag> (raw)
In-Reply-To: <20110914143005.GA28496@infradead.org>

Hi,

at least i'm now able to reproduce the issue. I hope this will help to 
investigate the issue and hopefully you can reproduce it as well.

I'm using vanilla 3.0.4 kernel + xfs as root filesystem and had detect 
hanging taks with 120s set. You'll then see that the bonnie++ command 
get's stuck in xlog_grant_log_space while creating or deleting files. I 
was using a SSD or a fast Raid 10 (24x SAS Disks) - i was not able to 
reproduce it on normal SATA disks even a 20x SATA Raid 10 didn't work.

I used bonnie++ (V 1.96) to reproduce it. Mostly in the 1st run the bug 
is triggered - sometimes I needed two runs.

bonnie++ -u root -s 0 -n 1024:32768:0:1024:4096 -d /

I hope that helps - as i now have a testing machine and can trigger the 
bug pretty fast (10-30min instead of hours). I can also add debug code 
if you want or have one.

Stefan

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  parent reply	other threads:[~2011-09-18  9:14 UTC|newest]

Thread overview: 50+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-09-10 12:23 xfs deadlock in stable kernel 3.0.4 Stefan Priebe
2011-09-12 15:21 ` Christoph Hellwig
2011-09-12 16:46   ` Stefan Priebe
2011-09-12 20:05     ` Christoph Hellwig
2011-09-13  6:04       ` Stefan Priebe - Profihost AG
2011-09-13 19:31         ` Stefan Priebe - Profihost AG
2011-09-13 20:50         ` Christoph Hellwig
2011-09-13 21:52           ` [xfs-masters] " Alex Elder
2011-09-13 21:58             ` Alex Elder
2011-09-13 22:26               ` Christoph Hellwig
2011-09-14  7:26           ` Stefan Priebe - Profihost AG
2011-09-14  7:48             ` Stefan Priebe - Profihost AG
2011-09-14  8:49               ` Stefan Priebe - Profihost AG
2011-09-14 14:30                 ` Christoph Hellwig
2011-09-14 14:30               ` Christoph Hellwig
2011-09-14 16:06                 ` Stefan Priebe - Profihost AG
2011-09-18  9:14                 ` Stefan Priebe - Profihost AG [this message]
2011-09-18 20:04                   ` Christoph Hellwig
2011-09-19 10:54                     ` Stefan Priebe - Profihost AG
2011-09-18 23:02                   ` Dave Chinner
2011-09-20  0:47                     ` Stefan Priebe
2011-09-20  1:01                       ` Stefan Priebe
2011-09-20 10:09                     ` Stefan Priebe - Profihost AG
2011-09-20 16:02                       ` Christoph Hellwig
2011-09-20 17:23                         ` Stefan Priebe - Profihost AG
2011-09-20 17:24                           ` Christoph Hellwig
2011-09-20 17:35                             ` Stefan Priebe - Profihost AG
2011-09-20 22:30                               ` Christoph Hellwig
2011-09-21  2:11                                 ` [xfs-masters] " Dave Chinner
2011-09-21  7:40                                   ` Stefan Priebe - Profihost AG
2011-09-21 11:42                                     ` Dave Chinner
2011-09-21 11:55                                       ` Stefan Priebe - Profihost AG
2011-09-21 12:26                                       ` Christoph Hellwig
2011-09-21 13:42                                         ` Stefan Priebe
2011-09-21 16:48                                         ` Stefan Priebe - Profihost AG
2011-09-21 17:26                                           ` Stefan Priebe - Profihost AG
2011-09-21 19:01                                         ` Stefan Priebe - Profihost AG
2011-09-21 23:07                                         ` Dave Chinner
2011-09-22 14:14                                           ` Christoph Hellwig
2011-09-22 21:49                                             ` Dave Chinner
2011-09-22 22:01                                               ` Christoph Hellwig
2011-09-23  5:28                                                 ` Stefan Priebe - Profihost AG
2011-09-22  0:53                                       ` Dave Chinner
2011-09-22  5:27                                         ` Stefan Priebe - Profihost AG
2011-09-22  7:52                                           ` Stefan Priebe - Profihost AG
2011-09-21  7:36                                 ` Stefan Priebe - Profihost AG
2011-09-21 11:39                                   ` Christoph Hellwig
2011-09-21 13:39                                     ` Stefan Priebe
2011-09-21 14:17                                       ` Christoph Hellwig
  -- strict thread matches above, loose matches on Subject: below --
2011-09-11 13:12 Stefan Priebe - Profihost AG

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