From: Joshua Schmidlkofer <kernel@pacrimopen.com>
To: Jens Axboe <axboe@suse.de>
Cc: Con Kolivas <kernel@kolivas.org>,
jch@imr-net.com, ck kernel mailing list <ck@vds.kolivas.org>,
linux kernel mailing list <linux-kernel@vger.kernel.org>,
Cliff Wells <clifford.wells@comcast.net>
Subject: Re: [ck] Re: 2.6.8.1-ck7, Two Badnessess, one dump.
Date: Mon, 13 Sep 2004 20:45:39 -0700 [thread overview]
Message-ID: <41466963.702@pacrimopen.com> (raw)
In-Reply-To: <20040913191237.GF18883@suse.de>
>Is your drive idle while applying dma settings? Current 2.6 kernels
>aren't even close to being safe to modify drive settings, since it makes
>no effective attempts to serialize with ongoing commands. I have a
>half-assed patch to fix that.
>
>
>
No it isn't!! But I think that would be the problem. I just realized
that [after you wrote this] that I turned on 'parallel' execution in my
Gentoo init scripts for both of those systems.
Tonight, I am going to change hdparm so that it runs xfs_freeze on all
fs's just before tuning, and [of course un-freeze] to see if that cures it.
thanks,
Joshua
next prev parent reply other threads:[~2004-09-14 17:02 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-09-10 4:02 2.6.8.1-ck7 Con Kolivas
2004-09-13 1:23 ` 2.6.8.1-ck7, Two Badnessess, one dump Joshua Schmidlkofer
2004-09-13 3:51 ` [ck] " Con Kolivas
2004-09-13 15:21 ` Joshua Schmidlkofer
2004-09-13 19:12 ` Jens Axboe
2004-09-14 3:45 ` Joshua Schmidlkofer [this message]
2004-09-15 7:21 ` Jens Axboe
2004-09-14 3:46 ` Joshua Schmidlkofer
2004-09-15 7:21 ` Jens Axboe
2006-01-14 2:19 ` Con Kolivas
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