From: Jens Axboe <axboe@suse.de>
To: Linus Torvalds <torvalds@osdl.org>
Cc: Tejun Heo <htejun@gmail.com>, Mark Lord <lkml@rtr.ca>,
Jeff Garzik <jgarzik@pobox.com>,
David Greaves <david@dgreaves.com>,
Justin Piszcz <jpiszcz@lucidpixels.com>,
linux-kernel@vger.kernel.org,
IDE/ATA development list <linux-ide@vger.kernel.org>,
albertcc@tw.ibm.com
Subject: Re: LibPATA code issues / 2.6.15.4
Date: Tue, 28 Feb 2006 09:03:10 +0100 [thread overview]
Message-ID: <20060228080310.GP24981@suse.de> (raw)
In-Reply-To: <Pine.LNX.4.64.0602271744470.22647@g5.osdl.org>
On Mon, Feb 27 2006, Linus Torvalds wrote:
>
>
> On Tue, 28 Feb 2006, Tejun Heo wrote:
>
> > Hello, Mark.
> >
> > Mark Lord wrote:
> > >
> > > .. hold off on 2.6.16 because of this or not?
> > >
> >
> > It certainly is dangerous. I guess we should turn off FUA for the
> > time being. Barrier auto-fallback was once implemented but it
> > didn't seem like a good idea as it was too complex and hides low
> > level bug from higher level. The concensus seems to be developing
> > blacklist of drives which lie about FUA support (currently only one
> > drive). Official kernel doesn't seem to be the correct place to grow
> > the blacklist, Maybe we should do it from -mm?
>
> For 2.6.16, the only sane solution for now is to just turn it off.
>
> Somebody want to send me a patch that does that, along with an ack from
> Mark (and whoever else sees this) that it fixes his/their problems?
That's the best solution right now. I guess there's no way around a
blacklist for FUA support and we need time to grow that :-(
And proper fallback to non-FUA writes with disabling FUA based barriers
as well.
Mark, what drive model+firmware are you using?
--
Jens Axboe
next prev parent reply other threads:[~2006-02-28 8:04 UTC|newest]
Thread overview: 167+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-02-14 9:48 LibPATA code issues / 2.6.15.4 Justin Piszcz
2006-02-14 14:50 ` Mark Lord
2006-02-14 16:27 ` David Greaves
2006-02-14 17:12 ` Justin Piszcz
2006-02-14 18:00 ` Mark Lord
2006-02-14 18:06 ` Justin Piszcz
2006-02-23 23:39 ` Justin Piszcz
2006-02-25 15:32 ` Mark Lord
2006-02-25 15:58 ` Justin Piszcz
2006-02-25 16:11 ` Jesper Juhl
2006-02-25 16:21 ` Mark Lord
2006-02-25 11:34 ` David Greaves
2006-02-25 16:20 ` Mark Lord
2006-02-25 17:45 ` Justin Piszcz
2006-02-25 18:28 ` Mark Lord
2006-02-25 18:55 ` Justin Piszcz
2006-02-25 19:29 ` Justin Piszcz
2006-02-25 19:53 ` David Greaves
2006-02-25 19:47 ` David Greaves
2006-02-26 2:27 ` Mark Lord
2006-02-26 9:56 ` David Greaves
2006-02-26 14:04 ` Mark Lord
2006-02-27 21:34 ` Mark Lord
2006-02-28 1:33 ` Tejun Heo
2006-02-28 1:46 ` Linus Torvalds
2006-02-28 2:07 ` Jeff Garzik
2006-02-28 2:14 ` Linus Torvalds
2006-02-28 2:52 ` Jeff Garzik
2006-02-28 3:36 ` Jeff Garzik
2006-02-28 4:11 ` Mark Lord
2006-02-28 10:30 ` Alan Cox
2006-02-28 8:03 ` Jens Axboe [this message]
2006-02-28 4:16 ` Mark Lord
2006-02-28 10:32 ` Alan Cox
2006-02-28 10:30 ` Justin Piszcz
2006-02-28 10:39 ` David Greaves
2006-02-28 14:37 ` Mark Lord
2006-02-28 21:04 ` Bill Davidsen
2006-03-08 2:57 ` Mark Lord
2006-03-08 3:18 ` Dave Jones
2006-03-08 3:23 ` Mark Lord
2006-03-08 15:37 ` Bill Davidsen
2006-03-08 15:37 ` Bill Davidsen
2006-02-28 14:38 ` Mark Lord
[not found] ` <Pine.LNX.4.64.0602280939280.16541@p34>
2006-02-28 14:49 ` Mark Lord
2006-02-28 15:07 ` Jeff Garzik
2006-02-28 15:26 ` Mark Lord
2006-02-28 15:33 ` Jeff Garzik
2006-03-01 0:46 ` Mark Lord
2006-03-01 6:01 ` Jeff Garzik
2006-02-28 15:16 ` Alan Cox
2006-03-01 17:33 ` David Greaves
2006-03-01 18:37 ` Alan Cox
2006-03-01 20:12 ` Phillip Susi
2006-03-08 16:46 ` Alan Cox
2006-02-28 15:31 ` Mark Lord
2006-02-28 15:34 ` Jeff Garzik
2006-02-28 16:57 ` Eric D. Mudama
2006-03-01 1:04 ` Mark Lord
2006-03-01 11:37 ` Justin Piszcz
2006-03-01 13:17 ` Justin Piszcz
2006-03-01 17:41 ` David Greaves
2006-03-01 17:46 ` Mark Lord
2006-03-01 18:12 ` David Greaves
2006-03-01 18:30 ` Mark Lord
2006-03-01 18:32 ` Justin Piszcz
2006-03-01 18:33 ` Justin Piszcz
2006-03-01 18:48 ` David Greaves
2006-03-01 19:49 ` David Greaves
2006-03-03 19:38 ` Justin Piszcz
2006-03-03 22:46 ` David Greaves
2006-03-04 14:25 ` Mark Lord
2006-03-06 6:13 ` David Greaves
2006-03-21 18:11 ` David Greaves
2006-03-22 15:23 ` David Greaves
2006-03-05 11:43 ` Justin Piszcz
2006-03-05 12:41 ` Justin Piszcz
2006-03-05 22:58 ` Mark Lord
2006-03-05 23:00 ` Mark Lord
2006-03-05 23:19 ` Justin Piszcz
2006-03-05 23:39 ` Jeff Garzik
2006-04-21 19:14 ` LibPATA code issues / 2.6.16 (previously, 2.6.15.x) Justin Piszcz
2006-04-21 19:18 ` Jeff Garzik
2006-04-21 19:18 ` Jeff Garzik
2006-04-21 19:28 ` Linus Torvalds
2006-04-21 22:46 ` Jeff Garzik
2006-04-21 22:46 ` Jeff Garzik
2006-04-22 0:05 ` Linus Torvalds
2006-05-06 15:09 ` [smartmontools-support]Re: " Leon Woestenberg
2006-05-07 12:44 ` Ingo Oeser
2006-06-11 11:13 ` Justin Piszcz
2006-04-22 16:39 ` Justin Piszcz
2006-03-01 19:06 ` LibPATA code issues / 2.6.15.4 Justin Piszcz
2006-03-01 19:28 ` Mark Lord
2006-03-01 19:35 ` Mark Lord
2006-03-01 19:38 ` Justin Piszcz
2006-03-01 19:41 ` Jeff Garzik
2006-02-26 12:27 ` James Courtier-Dutton
2006-02-26 12:55 ` David Greaves
2006-02-26 13:56 ` Mark Lord
2006-02-26 14:30 ` Kernel SeekCompleteErrors... Different from " James Courtier-Dutton
2006-02-26 17:03 ` Mark Lord
2006-02-26 17:13 ` Dr. David Alan Gilbert
2006-02-26 17:43 ` Alan Cox
2006-02-26 20:36 ` Mark Lord
2006-02-27 11:48 ` Alan Cox
2006-02-27 13:40 ` Mark Lord
2006-02-14 23:58 ` Justin Piszcz
2006-02-17 8:45 ` Jeff Garzik
2006-02-17 14:59 ` Mark Lord
2006-02-17 15:00 ` Justin Piszcz
2006-02-18 20:43 ` Sander
2006-02-18 21:42 ` Mark Lord
2006-02-18 21:51 ` Justin Piszcz
2006-02-19 7:14 ` Sander
2006-02-19 15:30 ` Mark Lord
2006-02-19 17:16 ` Sander
2006-07-06 23:08 ` Justin Piszcz
2006-07-07 13:08 ` Mark Lord
2006-07-07 13:24 ` Justin Piszcz
2006-07-07 13:43 ` Mark Lord
2006-07-07 13:48 ` Justin Piszcz
2006-07-07 14:01 ` Justin Piszcz
2006-07-07 14:35 ` Justin Piszcz
2006-07-07 18:53 ` Justin Piszcz
2006-07-07 19:19 ` Jeff Garzik
2006-07-07 19:28 ` Justin Piszcz
[not found] ` <200607091224.31451.liml@rtr.ca>
2006-07-09 17:27 ` Justin Piszcz
2006-07-09 20:16 ` Justin Piszcz
2006-07-09 20:40 ` LibPATA code issues / 2.6.15.4 (found the opcode=0x35)! Justin Piszcz
2006-07-09 20:46 ` Justin Piszcz
2006-07-09 21:05 ` Justin Piszcz
2006-07-09 22:03 ` Justin Piszcz
2006-07-10 13:59 ` Follow up? " Justin Piszcz
2006-07-10 15:33 ` Alan Cox
2006-07-10 15:45 ` Justin Piszcz
2006-07-11 13:28 ` LibPATA code issues / 2.6.17.3 (What is the next step?) Justin Piszcz
2006-07-11 16:12 ` Alan Cox
2006-07-12 22:10 ` David Greaves
2006-07-12 22:29 ` Justin Piszcz
2006-07-14 15:33 ` David Greaves
2006-07-13 10:55 ` Erik Mouw
2006-07-14 17:16 ` Mark Lord
2006-07-14 17:18 ` Justin Piszcz
2006-07-14 17:39 ` Mark Lord
2006-07-14 18:18 ` Justin Piszcz
2006-07-14 20:02 ` Mark Lord
2006-07-14 17:14 ` Follow up? LibPATA code issues / 2.6.15.4 (found the opcode=0x35)! Mark Lord
2006-07-14 17:17 ` Justin Piszcz
2006-07-14 17:37 ` Mark Lord
2006-07-14 18:17 ` Justin Piszcz
-- strict thread matches above, loose matches on Subject: below --
2006-03-01 19:00 LibPATA code issues / 2.6.15.4 Nicolas Mailhot
2006-03-01 19:22 ` Mark Lord
2006-03-01 23:12 ` Nicolas Mailhot
2006-03-01 23:31 ` Jeff Garzik
2006-03-02 1:19 ` Eric D. Mudama
2006-03-02 1:39 ` Eric D. Mudama
2006-03-14 13:50 me_trash1
2006-03-15 15:03 ` Mark Lord
2006-03-16 10:08 ` Jens Axboe
2006-03-17 5:26 ` Mark Lord
2006-03-17 9:26 ` Albert Lee
2006-03-17 9:57 ` Jeff Garzik
2006-03-17 15:20 ` Eric D. Mudama
2006-03-17 15:20 ` Mark Lord
2006-03-17 15:29 ` Tejun Heo
2006-03-16 0:19 ` markus ebenhoeh
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