From: Andi Kleen <ak@suse.de>
To: David Chinner <dgc@sgi.com>
Cc: Neil Brown <neilb@suse.de>, Jens Axboe <axboe@suse.de>,
linux-kernel@vger.kernel.org, akpm@osdl.org
Subject: Re: RFC - how to balance Dirty+Writeback in the face of slow writeback.
Date: Mon, 21 Aug 2006 09:47:03 +0200 [thread overview]
Message-ID: <200608210947.03793.ak@suse.de> (raw)
In-Reply-To: <20060821031505.GQ51703024@melbourne.sgi.com>
> > Ouch.
> > I suspect we are going to see more of this, as USB drive for backups
> > is probably a very attractive option for many.
>
> I can't see how this would occur on a 2.6 kernel
I still got the traces to prove it:
http://www.firstfloor.org/~andi/usb-loop-copy-stall-1
e.g. notice the lynx which is stuck in a m/atime update. It was stalling
for a quite long time.
>
-Andi
next prev parent reply other threads:[~2006-08-21 7:48 UTC|newest]
Thread overview: 37+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-08-14 23:40 RFC - how to balance Dirty+Writeback in the face of slow writeback Neil Brown
2006-08-15 8:06 ` Andrew Morton
2006-08-15 23:00 ` David Chinner
2006-08-17 4:08 ` Neil Brown
2006-08-17 6:14 ` Andrew Morton
2006-08-17 12:36 ` Trond Myklebust
2006-08-17 15:14 ` Andrew Morton
2006-08-17 16:22 ` Trond Myklebust
2006-08-18 5:49 ` Andrew Morton
2006-08-18 10:43 ` Nikita Danilov
2006-08-18 0:11 ` David Chinner
2006-08-18 6:29 ` Andrew Morton
2006-08-18 7:03 ` Jens Axboe
2006-08-18 7:11 ` Andrew Morton
2006-08-18 18:57 ` Andi Kleen
2006-08-21 0:35 ` Neil Brown
2006-08-21 3:15 ` David Chinner
2006-08-21 7:24 ` Neil Brown
2006-08-21 13:51 ` Jens Axboe
2006-08-25 4:36 ` Neil Brown
2006-08-25 6:37 ` Jens Axboe
2006-08-28 1:28 ` David Chinner
2006-08-25 13:16 ` Trond Myklebust
2006-08-27 8:21 ` Neil Brown
2006-08-21 14:28 ` David Chinner
2006-08-25 5:24 ` Neil Brown
2006-08-28 1:55 ` David Chinner
2006-08-21 7:47 ` Andi Kleen [this message]
2006-08-18 7:07 ` Neil Brown
2006-08-17 22:17 ` David Chinner
2006-08-17 3:59 ` Neil Brown
2006-08-17 6:22 ` Andrew Morton
2006-08-17 8:36 ` Jens Axboe
2006-08-17 13:21 ` Trond Myklebust
2006-08-17 15:30 ` Andrew Morton
2006-08-17 16:18 ` Trond Myklebust
2006-08-18 5:34 ` Andrew Morton
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