From: Robert Love <rml@tech9.net>
To: Mike Fedyk <mfedyk@matchmail.com>
Cc: Robert Jameson <rj@open-net.org>, linux-kernel@vger.kernel.org
Subject: Re: Hard lockup with 2.4.18-pre9 + preempt + lock break + O1k[23] + rmap
Date: 15 Feb 2002 17:00:10 -0500 [thread overview]
Message-ID: <1013810411.803.1045.camel@phantasy> (raw)
In-Reply-To: <20020215201810.GA5310@matchmail.com>
In-Reply-To: <20020215035135.0c26b130.rj@open-net.org> <1013780277.950.663.camel@phantasy> <20020215201810.GA5310@matchmail.com>
On Fri, 2002-02-15 at 15:18, Mike Fedyk wrote:
> I don't use USB, and I have had several machines lock up hard while doing
> medium to heavy IO. I've had this happen with pre9-mjc2 and another patch
> that just contained pre9-preempt-schedo1
> (nyu.dyn.dhs.org:8080/patches/2.4.18-pre9-to-rmap12e-schedO1-rml.patch.bz2)
The -mjc and similar patches make debugging a bit, uh, hard ;)
> I'm running 2.4.18-pre9-ac3 now to see if I can reproduce without prempt and
> O(1).
If you can't reproduce it, I'd like to see if you can reproduce it
_only_ with preempt. Also, if it happens on stock pre9 (no -ac) would
be of interest, since that doesn't have Andre's IDE patch.
> I have someone else from IRC that has the same issue with prempt+O(1)
> against vanilla 2.4.17. He should be sending you a bug report soon.
Now this would be of interest, thanks.
> BTW, all machines ran the same kernel compiled for SMP, but some machines
> were UP.
>
> Has anyone else seen this?
Robert Love
next prev parent reply other threads:[~2002-02-15 22:00 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-02-15 8:51 oops with 2.4.18-pre9-mjc2 Robert Jameson
2002-02-15 8:55 ` William Lee Irwin III
2002-02-15 13:29 ` Michael Cohen
2002-02-15 13:37 ` Robert Love
2002-02-15 15:20 ` Robert Jameson
2002-02-15 15:30 ` Arjan van de Ven
2002-02-15 17:48 ` Alan Cox
2002-02-15 19:15 ` Robert Love
2002-02-15 20:18 ` Hard lockup with 2.4.18-pre9 + preempt + lock break + O1k[23] + rmap Mike Fedyk
2002-02-15 22:00 ` Robert Love [this message]
2002-02-15 23:22 ` Mike Fedyk
2002-02-15 23:30 ` William Lee Irwin III
2002-02-15 23:42 ` Mike Fedyk
2002-02-16 9:29 ` Zwane Mwaikambo
2002-02-15 14:26 ` oops with 2.4.18-pre9-mjc2 Alan Cox
2002-02-15 16:07 ` Greg KH
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