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xen-devel
Re: [Xen-devel] x86_64 DOM0 SMP oops
* Chris Wright <chrisw@xxxxxxxx> [2005-08-22 14:26]:
> * Ryan Harper (ryanh@xxxxxxxxxx) wrote:
> > > > Unable to handle kernel NULL pointer dereference at 000000000000001c
> > > > RIP:
> > > > <ffffffff80112c1a>{retint_kernel+0}
> > > > PGD aae067 PUD aaf067 PMD 0
> > > > Oops: 0000 [1] PREEMPT SMP
> > >
> > > Not surprising, w/ PREEMPT. Is it stable w/out PREEMPT?
> >
> > Really? I thought CONFIG_PREEMPT was tested since it was on for x86_32
> > SMP.
>
> No, I expect it to be broken (and you seem to be able to easily prove
> that ;-)
>
> > I'll give that a shot and let you know.
That seems to have done it. Built several kernels back-to-back, no
oops.
Now if I could just get this to go away:
Timer ISR/1: Time went backwards: delta=-169458624 cpu_delta=1110558976
shadow=57067465250 off=133093726 processed=57370017600
cpu_processed=56090000000
0: 57370017600
1: 56090000000
Anyone else with a dual-opteron see this? It shows up on everything
(x86_64 UP, x86_32 UP/SMP).
--
Ryan Harper
Software Engineer; Linux Technology Center
IBM Corp., Austin, Tx
(512) 838-9253 T/L: 678-9253
ryanh@xxxxxxxxxx
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