From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: Jens Axboe <axboe@suse.de>
Cc: "Martin J. Bligh" <mbligh@aracnet.com>,
Andrew Morton <akpm@osdl.org>, Mike Fedyk <mfedyk@matchmail.com>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
linux-mm@kvack.org
Subject: Re: ide-scsi oops was: 2.6.0-test4-mm3
Date: Thu, 11 Sep 2003 16:27:29 +0100 [thread overview]
Message-ID: <1063294049.2967.30.camel@dhcp23.swansea.linux.org.uk> (raw)
In-Reply-To: <20030911082057.GP1396@suse.de>
On Iau, 2003-09-11 at 09:20, Jens Axboe wrote:
> > need it. Is it unfixable? or just nobody's done it?
>
> It's not unfixable, there's just not a lot of motivation to fix it since
> it's basically dead.
Almost all IDE tape drives require ide-scsi/st modules for one. I'm not
sure of the problems in the 2.5 case, in the 2.4 case the big one was
that both IDE and SCSI want to control reset/recovery and reissue of
commands. That turns into a nasty mess and 2.4 now lets the IDE layer do
it, with SCSI just backing off. That may well be the right model for
2.5.x - ie the reset eh handler just waits for the IDE layer to kill the
command. The other one was races in the reset code which 2.4 I think now
has fixed, which will bite non scsi users but less often
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next prev parent reply other threads:[~2003-09-11 15:27 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-08-29 6:56 2.6.0-test4-mm3 Andrew Morton
2003-08-29 7:45 ` 2.6.0-test4-mm3 Andrew Morton
2003-08-29 15:42 ` 2.6.0-test4-mm3 Ed Sweetman
2003-08-29 15:57 ` 2.6.0-test4-mm3 Andrew Morton
2003-08-29 15:59 ` 2.6.0-test4-mm3 Felipe Alfaro Solana
2003-08-30 1:43 ` OOps in 2.6.0-test4-mm3-1 Mike Fedyk
2003-09-10 18:53 ` 2.6.0-test4-mm3 Mike Fedyk
2003-09-10 18:55 ` ide-scsi oops was: 2.6.0-test4-mm3 Mike Fedyk
2003-09-10 18:43 ` Andrew Morton
2003-09-10 19:10 ` Mike Fedyk
2003-09-11 15:24 ` Alan Cox
2003-09-10 20:04 ` Martin J. Bligh
2003-09-10 20:53 ` Paul Larson
2003-09-11 8:20 ` Jens Axboe
2003-09-11 15:12 ` Gerhard Mack
2003-09-11 21:52 ` Jens Axboe
2003-09-11 15:27 ` Alan Cox [this message]
2003-09-11 21:50 ` Jens Axboe
2003-09-11 18:13 ` Martin J. Bligh
2003-09-11 18:30 ` Mike Fedyk
2003-09-11 21:52 ` Jens Axboe
2003-09-16 21:41 ` OOps in HFS " Mike Fedyk
2003-09-16 21:40 ` Andrew Morton
2003-09-16 23:59 ` Mike Fedyk
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