From: Arjan van de Ven <arjan@infradead.org>
To: Andrew Morton <akpm@osdl.org>
Cc: bugme-daemon@kernel-bugs.osdl.org, morfic@gentoo.org,
kraftb@kraftb.at, migo@abp.pl, linux-kernel@vger.kernel.org,
Andi Kleen <ak@muc.de>
Subject: Re: [Bug 5039] high cpu usage (softirq takes 50% all the time)
Date: Sat, 29 Oct 2005 10:32:34 +0200 [thread overview]
Message-ID: <1130574755.2908.1.camel@laptopd505.fenrus.org> (raw)
In-Reply-To: <20051029010945.623a8dab.akpm@osdl.org>
On Sat, 2005-10-29 at 01:09 -0700, Andrew Morton wrote:
> bugme-daemon@kernel-bugs.osdl.org wrote:
> >
> > http://bugzilla.kernel.org/show_bug.cgi?id=5039
> >
>
> Well this is a depressing saga. A bunch of people whose machines appear to
> be spending 50% CPU time in softirq processing. Some find that `noapic'
> fixes it and some dont. Some are on x86_64, some are on x86.
>
> I suspect we have multiple bugs here. It's quite a mess.
>
> Could the reporters please, via a reply-to-all to this email:
>
> a) test 2.6.14.
>
> b) summarise the current status of your bug (what CPU type, what are the
> symptoms, any known workarounds, etc).
>
> c) Generate a kernel profile (see Documentation/basic_profiling.txt)
d) get a /proc/interrupts
to see if there's some screaming irq.. and if so which one
prev parent reply other threads:[~2005-10-29 8:32 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <200510290754.j9T7sqAg027452@fire-1.osdl.org>
2005-10-29 8:09 ` Andrew Morton
2005-10-29 8:32 ` Arjan van de Ven [this message]
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