Messages in this thread | | | Date | Wed, 28 Apr 2004 20:13:20 -0300 | From | Marcelo Tosatti <> | Subject | Re: [BUG]linux-2.4.26 Quad-Opteron: panic when init scsi |
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On Tue, Apr 27, 2004 at 12:17:20PM +0200, Juergen Stohr wrote: > Hi, > > I have got a problem similar to the one discussed in the thread > "[BUG]linux-2.4.24 with k8 numa support panic when init scsi": When > booting the 2.4.26 on a quad Opteron box, in most of the cases the > kernel crashes when initializing SCSI. > It seems to me that this bug is caused by a race, as in a few > cases the machine is able to boot. > > The machine always boots if I set maxcpus=1. > > If I append numa=off to the command line the kernel crashes with a > "Machine Check Exception" (but is able to initialize SCSI; perhaps > this is another bug?) > > Does anybody know how to solve this problem or is anybody working on it? > Can someone give me a hint where to start when debugging this race? > > I will attach the config of my kernel, the syslogs and the output of > ksymoops.
Andi,
Have you seen Juergen's ksymoops trace?
It seems some BUG() (maybe BAD_RANGE()) is triggering at startup in __alloc_pages().
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