linux-kernel - Re: [PATCH 0/11] Per-bdi writeback flusher threads #4

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Message-ID: <4A1ABFE2.9050809@rsk.demon.co.uk>
Date:	Mon, 25 May 2009 16:57:22 +0100
From:	Richard Kennedy <richard@....demon.co.uk>
To:	Jens Axboe <jens.axboe@...cle.com>
CC:	linux-kernel@...r.kernel.org, linux-fsdevel@...r.kernel.org,
	chris.mason@...cle.com, david@...morbit.com, hch@...radead.org,
	akpm@...ux-foundation.org, jack@...e.cz,
	yanmin_zhang@...ux.intel.com
Subject: Re: [PATCH 0/11] Per-bdi writeback flusher threads #4

Hi Jens,

I've been testing this from your git version which builds as
2.6.30-rc6-00057-g81eabcf.

Unfortunately it's not doing too well.

When building a kernel with 'make -j 8' on my AMDX2 64bit, the screen
repeatedly locked up for several minutes at a time,and my music player
also froze.
In total the full kernel build took over 80 minutes, normally it's only
about 15.

However the machine seems to have recovered correctly, & now everything
is back to normal.

Maybe it does need the congestion handling after all?

regards
Richard

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