From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: Jens Axboe <axboe@suse.de>
Cc: Alan Cox <alan@redhat.com>,
torvalds@osdl.org,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
axboe@suse.dk
Subject: Re: Nasty IDE crasher in 2.6.9rc1
Date: Fri, 03 Sep 2004 14:59:59 +0100 [thread overview]
Message-ID: <1094219998.7975.4.camel@localhost.localdomain> (raw)
In-Reply-To: <20040903145054.GQ1631@suse.de>
On Gwe, 2004-09-03 at 15:50, Jens Axboe wrote:
> (suse.dk is not related to suse.de and it helpfully eats all messages
> sent to unknown users. not so great :(
Ah sorry.
> > Another problem with barrier is that it can take several minutes worst case
> > for the command to complete on a large modern drive (timings c/o friendly
> > ide drive engineer). That causes two problems I've pointed out to Jens that
> > we need to fix before barriers are IMHO production grade
>
> Can you pass me his results?
I can ask. Its NDA data (not Maxtor). Or Eric might have public info ?
The later mail I reported my tests trying to make it as slow as possible
and I couldn't get worse than 7 seconds for the command.
> > 2. The timeouts on the command issue appear to be too small, and
> > we will time out and reset the drive in loaded situations.
>
> You don't seem to address that in your patch?
I'm not sure what the right answer is.
next prev parent reply other threads:[~2004-09-03 15:02 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-08-31 14:23 Nasty IDE crasher in 2.6.9rc1 Alan Cox
2004-09-03 14:50 ` Jens Axboe
2004-09-03 13:59 ` Alan Cox [this message]
2004-09-03 15:19 ` Jens Axboe
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