From: Chris Bainbridge <chris.bainbridge@gmail.com>
To: reiserfs-list@namesys.com
Subject: 2.6.13.2 + reiser4 system hangs and poor performance
Date: Tue, 11 Oct 2005 17:22:34 +0100 [thread overview]
Message-ID: <623652d50510110922j319d5325i@mail.gmail.com> (raw)
Hi,
Since updating to 2.6.13.2 last week I've had a couple of system hangs
which required a poweroff. I can now reproduce a bad performance +
can't reboot situation. I'm using gentoo with a reiser4 root
partition. I've only tested this on my own system, so if another
2.6.13.2 + reiser4 gentoo user could try this that would be useful.
Under 2.6.12.5, do 'time emerge =sun-jdk-1.5.0.05'. Total time is 2
minutes 10 seconds.
Under 2.6.13.2, do 'time emerge =sun-jdk-1.5.0.05'. Total time is 6
minutes 51 seconds. Will appear to hang at the "gzipping man page:
unpack200.1" but eventually finishes. After this, attempting to
shutdown will result in a system hang.
Like I said, this happens every time I emerge that package. Probably
it causes some pattern of disk I/O that triggers a bug in reiser4.
During the hang time, the pdflush process is taking up most of the
cpu, and there is almost no disk i/o. I tested with a non-preempt
kernel, and get the same. With 2.6.12.5, everything is okay.
next reply other threads:[~2005-10-11 16:22 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-10-11 16:22 Chris Bainbridge [this message]
2005-10-11 16:52 ` 2.6.13.2 + reiser4 system hangs and poor performance David Masover
2005-10-12 9:08 ` jp.guillemin
2005-10-12 9:11 ` Raymond A. Meijer
2005-10-12 9:29 ` Chris Bainbridge
-- strict thread matches above, loose matches on Subject: below --
2005-10-12 13:02 Frieder Bürzele
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