From: Andrew Morton <akpm@digeo.com>
To: Patrick Mau <mau@oscar.ping.de>
Cc: linux-kernel@vger.kernel.org
Subject: Re: pdflush in D state
Date: Wed, 5 Feb 2003 23:41:39 -0800 [thread overview]
Message-ID: <20030205234139.237887a7.akpm@digeo.com> (raw)
In-Reply-To: <20030205231259.GA5339@oscar.ping.de>
Patrick Mau <mau@oscar.ping.de> wrote:
>
> This goes extremly fast, but after a few seconds pdflush
> gets stuck in D state and tries to write back dirty pages.
> The machine is completly unresponsive and "top" reports
> 75 percent IO wait time. The actual build has not even started.
>
At a guess, I'd say that a disk device driver has dropped an interrupt and
I/O completion has not happened.
Check your kernel log and dmesg output for anything untoward, and then try
invoking sysrq-P and sysrq-T to find out where everythihg is stuck.
next prev parent reply other threads:[~2003-02-06 7:31 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-02-05 23:12 Patrick Mau
2003-02-06 7:41 ` Andrew Morton [this message]
2003-02-06 12:37 ` Dave Jones
2003-02-06 18:07 ` Robert Love
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