Messages in this thread | | | Subject | Re: Hard lockup with 2.4.18-pre9 + preempt + lock break + O1k[23] + rmap | From | Robert Love <> | Date | 15 Feb 2002 17:00:10 -0500 |
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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
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