Re: memory leak in scsi_cmd_cache 2.6.15

From: Jens Axboe <axboe@suse.de>
To: Ariel <askernel2615@dsgml.com>,
	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: Mon, 23 Jan 2006 09:33:47 +0100	[thread overview]
Message-ID: <20060123083347.GA12773@suse.de> (raw)
In-Reply-To: <20060123072556.GC15490@fifty-fifty.audible.transient.net>

On Sun, Jan 22 2006, Jamie Heilman wrote:
> Ariel wrote:
> > I'm on ICH5, but also Sil3112 and HighPoint 372N.
> > 
> > Jamie has ICH6 and Sil3112.
> > 
> > ata_piix seems like it's in common for all, but this is not a lot of 
> > systems, so it could just be a coincidence and the problem caused by 
> > something that's not chipset specific.
> 
> Hmm.  I just moved my sata_sil stuff out of the way and rebooted:
> 
> $ uptime; grep scsi_cmd_cache /proc/slabinfo
>  23:22:16 up 4 min,  1 user,  load average: 0.00, 0.03, 0.00
> scsi_cmd_cache      1200   1200    384   10    1 : tunables   54   27   8 : slabdata    120    120      0
> 
> My other workstation also runs 2.6.15.1 but uses sata_nv and doesn't
> exhibit the problem.

The SATA low level driver is very unlikely to play a role in this. But
you are both using md (raid1 to be specific) on top of scsi, I'd say
that's the best clue. I'd very much doubt the nvidia module as well.

-- 
Jens Axboe