From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: Andre Hedrick <andre@linux-ide.org>
Cc: Willy Gardiol <gardiol@libero.it>, Jens Axboe <axboe@suse.de>,
James Stevenson <james@stev.org>,
Stephan von Krawczynski <skraw@ithnet.com>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Marcelo Tosatti <marcelo@conectiva.com.br>
Subject: Re: OOPS in 2.4.21-pre5, ide-scsi
Date: 13 Mar 2003 20:28:03 +0000 [thread overview]
Message-ID: <1047587282.26978.5.camel@irongate.swansea.linux.org.uk> (raw)
In-Reply-To: <Pine.LNX.4.10.10303131048370.391-100000@master.linux-ide.org>
On Thu, 2003-03-13 at 18:50, Andre Hedrick wrote:
> Alan,
>
> Did we not fix this problem when HP addressed it with the ia64 stuff?
I've been working through a set of DMA problems. The PIO/DMA switching
timing out is fixed and has been for a while. I've very recently fixed a
race where we could get a command issued while resetting an interface.
With 2.4.x the reports I have make me think there are more races in
ide-scsi left. With 2.5.x its completely broken. Someone rewrote the
abort/reset handling, some other people rewrote the scsi core and the
result needs significant work yet
> Additionally I have finally found a long outstanding bug in the
> buildsgtable in ide-dma.c. I just need to reverify the nature. It has to
> do with the execution of the EOT bit in the last segment. This would also
> explain why we are seeing expiry dma timeouts.
Cool
next prev parent reply other threads:[~2003-03-13 19:09 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-02-27 21:10 Stephan von Krawczynski
2003-02-28 15:28 ` Stephan von Krawczynski
2003-03-11 17:24 ` Stephan von Krawczynski
2003-03-13 9:47 ` Herbert Xu
2002-12-31 11:14 ` Willy Gardiol
2003-03-13 15:23 ` Stephan von Krawczynski
2003-03-13 15:50 ` James Stevenson
2003-03-13 16:37 ` Jens Axboe
2003-03-13 16:39 ` Willy Gardiol
2003-03-13 16:47 ` Jens Axboe
2003-03-13 18:50 ` Andre Hedrick
2003-03-13 20:28 ` Alan Cox [this message]
2003-03-13 16:50 ` James Stevenson
2003-03-13 16:46 ` Jens Axboe
2003-03-13 17:11 ` James Stevenson
2003-03-13 17:14 ` Jens Axboe
2003-03-13 17:31 ` Stephan von Krawczynski
2003-03-13 17:37 ` Jens Axboe
2003-03-13 17:41 ` Stephan von Krawczynski
2003-03-13 17:52 ` Jens Axboe
2003-03-13 18:28 ` Alan Cox
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