From: "Pasi Kärkkäinen" <pasik@iki.fi>
To: Jens Axboe <axboe@suse.de>
Cc: Nix <nix@esperi.org.uk>, Ariel <askernel2615@dsgml.com>,
Jamie Heilman <jamie@audible.transient.net>,
Chase Venters <chase.venters@clientec.com>,
Arjan van de Ven <arjan@infradead.org>,
linux-ide@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-scsi@vger.kernel.org
Subject: Re: memory leak in scsi_cmd_cache 2.6.15
Date: Sun, 29 Jan 2006 17:50:09 +0200 [thread overview]
Message-ID: <20060129155009.GT28738@edu.joroinen.fi> (raw)
In-Reply-To: <20060128192714.GI9750@suse.de>
On Sat, Jan 28, 2006 at 08:27:14PM +0100, Jens Axboe wrote:
> On Fri, Jan 27 2006, Nix wrote:
> > On 26 Jan 2006, Ariel noted:
> > > Is this good or bad? I'm guessing it means it's still leaking. So it's
> > > really starting to look like ata_piix is the problem. But we need someone
> > > who has the leak to remove that and see if it helps. I can't, since my
> > > drives are connected to it.
> >
> > FWIW, a bit of negative-confirmatory evidence: I have a sym53c875
> > and non-SATA IDE drive on this 2.6.15.1, and there is no leak,
> > nor was there in 2.6.15:
> >
> > 11 11 100% 0.34K 1 11 4K scsi_cmd_cache
>
> It's not a bad data point, it just confirms that setting ->ordered_flush
> to 0 in the SATA drivers will fix the leak. So really, it's as expected.
> So far apparently nobody tried it, suggested it twice.
>
Are all sata drivers affected by this bug in 2.6.15?
Any 'official' patch available?
Or is the recommended workaround to set ordered_flush to 0 to fix this..
does that have any downsides?
-- Pasi
next prev parent reply other threads:[~2006-01-29 15:50 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-01-22 2:13 memory leak in scsi_cmd_cache 2.6.15 Ariel
2006-01-22 6:58 ` Andrew Morton
2006-01-22 18:18 ` Ariel
2006-01-22 8:16 ` Arjan van de Ven
2006-01-22 8:20 ` Arjan van de Ven
2006-01-22 18:51 ` Ariel
2006-01-22 19:07 ` Arjan van de Ven
2006-01-22 19:16 ` Chase Venters
2006-01-22 19:24 ` Arjan van de Ven
2006-01-22 19:46 ` Chase Venters
2006-01-23 2:19 ` Ariel
2006-01-22 19:24 ` Chase Venters
2006-01-23 0:58 ` Jamie Heilman
2006-01-23 2:14 ` Ariel
2006-01-23 6:18 ` Arjan van de Ven
2006-01-23 6:28 ` Chase Venters
2006-01-23 6:46 ` Ariel
2006-01-23 7:25 ` Jamie Heilman
2006-01-23 8:33 ` Jens Axboe
2006-01-27 11:28 ` Jamie Heilman
2006-01-28 19:27 ` Jens Axboe
2006-01-26 18:12 ` Ariel
2006-01-27 16:23 ` Nix
2006-01-28 19:27 ` Jens Axboe
2006-01-28 19:46 ` Chase Venters
2006-01-28 21:29 ` Jens Axboe
2006-01-29 15:50 ` Pasi Kärkkäinen [this message]
2006-01-29 16:38 ` James Bottomley
2006-01-29 17:10 ` Pasi Kärkkäinen
2006-01-29 19:57 ` Jens Axboe
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