From: Henry <henry@borg.metroweb.co.za>
To: Andrew Morton <andrewm@uow.edu.au>
Cc: linux-kernel@vger.kernel.org
Subject: Re: OOPS (kswapd) in 2.4.5 and 2.4.6
Date: Sat, 7 Jul 2001 11:33:25 +0200 [thread overview]
Message-ID: <01070711384402.00793@borg> (raw)
In-Reply-To: <01070516412506.06182@borg> <01070708085101.00793@borg> <3B46C342.A27D6C50@uow.edu.au>
In-Reply-To: <3B46C342.A27D6C50@uow.edu.au>
>
> I wonder why it only affects you. Is the drive which holds
> your swap partition running in PIO mode? `hdparm' will tell
> you. If it is, then that could easily cause the page to come
> unlocked before brw_page() has finished touching the buffer
> ring. Then all it takes is a parallel try_to_free_buffers
> on the other CPU.
Here's output from htparm:
/dev/hda:
multcount = 0 (off)
I/O support = 0 (default 16-bit)
unmaskirq = 0 (off)
using_dma = 0 (off)
keepsettings = 0 (off)
nowerr = 0 (off)
readonly = 0 (off)
readahead = 8 (on)
geometry = 2494/255/63, sectors = 40079088, start = 0
Does this provide the info you need?
I believe another chap responded to my post with a similar issue (also
SMP machine).
Uptime now 21:55 with no oops.
next prev parent reply other threads:[~2001-07-07 9:39 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-07-05 14:03 OOPS (kswapd) in 2.4.5 and 2.4.6 Henry
2001-07-05 16:53 ` Wayne Whitney
2001-07-05 17:09 ` Henry
2001-07-06 5:59 ` Henry
2001-07-06 8:35 ` Andrew Morton
2001-07-06 10:31 ` Henry
2001-07-07 6:03 ` Henry
2001-07-07 8:07 ` Andrew Morton
2001-07-07 9:33 ` Henry [this message]
2001-07-07 9:54 ` Andrew Morton
2001-07-08 11:08 ` Henry
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