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From: Bartlomiej Zolnierkiewicz <B.Zolnierkiewicz@elka.pw.edu.pl>
To: Jens Axboe <axboe@suse.de>
Cc: Jeff Garzik <jgarzik@pobox.com>,
	"Prakash K. Cheemplavam" <prakashkc@gmx.de>,
	marcush@onlinehome.de, linux-kernel@vger.kernel.org,
	eric_mudama@Maxtor.com
Subject: Re: Silicon Image 3112A SATA trouble
Date: Sun, 30 Nov 2003 18:13:48 +0100	[thread overview]
Message-ID: <200311301813.48535.bzolnier@elka.pw.edu.pl> (raw)
In-Reply-To: <20031130170806.GZ10679@suse.de>


On Sunday 30 of November 2003 18:08, Jens Axboe wrote:
> On Sun, Nov 30 2003, Bartlomiej Zolnierkiewicz wrote:
> > > Yes, it would be better to have a per-drive (or hwif) extra limiting
> > > factor if it is needed. For this case it really isn't, so probably not
> > > the best idea :)
> > >
> > > > Tangent:  My non-pessimistic fix will involve submitting a single
> > > > sector DMA r/w taskfile manually, then proceeding with the remaining
> > > > sectors in another r/w taskfile.  This doubles the interrupts on the
> > > > affected chipset/drive combos, but still allows large requests.  I'm
> > > > not terribly
> > >
> > > Or split the request 50/50.
> >
> > We can't - hardware will lock up.
>
> I know the problem. Then don't split 50/50 to the word, my point was to
> split it closer to 50/50 than 1 sector + the rest.

Oh, I understand now and agree.

--bart


  reply	other threads:[~2003-11-30 17:12 UTC|newest]

Thread overview: 54+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2003-11-25 13:59 Silicon Image 3112A SATA trouble Prakash K. Cheemplavam
2003-11-29 15:39 ` Prakash K. Cheemplavam
2003-11-29 16:38   ` Julien Oster
2003-11-29 16:54     ` Jeff Garzik
2003-11-29 17:07     ` Craig Bradney
2003-11-30  1:51       ` Prakash K. Cheemplavam
2003-11-29 16:56   ` Jeff Garzik
2003-11-29 17:41     ` Miquel van Smoorenburg
2003-11-29 18:39       ` Jeff Garzik
2003-11-29 20:24     ` Marcus Hartig
2003-11-30  2:00     ` Prakash K. Cheemplavam
2003-11-30 14:47       ` Bartlomiej Zolnierkiewicz
2003-11-30 15:52         ` Prakash K. Cheemplavam
2003-11-30 16:21           ` Bartlomiej Zolnierkiewicz
2003-11-30 16:25             ` Jens Axboe
2003-11-30 16:41               ` Jeff Garzik
2003-11-30 16:51                 ` Jens Axboe
2003-11-30 16:58                   ` Bartlomiej Zolnierkiewicz
2003-11-30 17:06                     ` Jeff Garzik
2003-11-30 17:10                       ` Jens Axboe
2003-11-30 17:22                         ` Jeff Garzik
2003-11-30 17:31                           ` Jens Axboe
2003-11-30 17:48                             ` Jeff Garzik
2003-11-30 17:56                         ` Vojtech Pavlik
2003-11-30 18:17                           ` Jens Axboe
2003-11-30 18:19                             ` Jeff Garzik
2003-11-30 18:22                               ` Jens Axboe
2003-11-30 18:31                                 ` Jeff Garzik
2003-11-30 19:44                                   ` Vojtech Pavlik
2003-11-30 21:05                                   ` Yaroslav Klyukin
2003-11-30 17:08                     ` Jens Axboe
2003-11-30 17:13                       ` Bartlomiej Zolnierkiewicz [this message]
2003-11-30 17:13                         ` Jens Axboe
2003-11-30 17:18                   ` Jeff Garzik
2003-11-30 17:28                     ` Jens Axboe
2003-11-30 17:41                       ` Jeff Garzik
2003-11-30 17:45                         ` Jens Axboe
2003-11-30 17:57                           ` Jeff Garzik
2003-11-30 18:21                             ` Jens Axboe
2003-11-30 19:04                               ` Jeff Garzik
2003-11-30 19:39                                 ` Jens Axboe
2003-11-30 20:35                                   ` Jeff Garzik
2003-12-01  9:02                                     ` Jens Axboe
2003-11-30 17:19             ` Prakash K. Cheemplavam
2003-11-30 18:07               ` Bartlomiej Zolnierkiewicz
2003-11-30 21:34                 ` Prakash K. Cheemplavam
2003-11-30 16:27         ` Jeff Garzik
2003-11-30 16:34           ` Bartlomiej Zolnierkiewicz
     [not found] <Pine.LNX.4.44.0311291453550.838-100000@coffee.psychology.mcmaster.ca>
2003-11-30 16:45 ` Jeff Garzik
2003-11-30 17:52 Luis Miguel García
2003-11-30 17:13 ` Craig Bradney
2003-11-30 18:27   ` Jeff Garzik
2003-11-30 18:41 Luis Miguel García
2003-11-30 21:15 ` Craig Bradney

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