On Sunday 12 March 2006 00:36, Andrew Morton wrote:
> "Rafael J. Wysocki" <[email protected]> wrote:
> > With the 2.6.16-rc5-mm3 kernel w/ the patch
> >
> > revert-x86_64-mm-i386-early-alignment.patch
> >
> > applied I'm able to hang my box (Asus L5D, 1 CPU, x86-64 kernel) solid
> > by running OpenOffice.org from under KDE (100% of the time but on one
> > user account only). Before it hangs I get something like this on the serial console:
> >
> > BUG: spinlock bad magic on CPU#0, soffice.bin/5293
> > lock: ffff81005e174e28, .magic: 000001ff, .owner: .5).@4).06)./0, .owner_cpu: -2141827648
> > BUG: spinlock lockup on CPU#0, soffice.bin/5293, ffff81005e174e28
> >
>
> Is it a !CONFIG_SMP kernel?
Yes.
> There's no stack trace?
Well, probably there was one but it didn't appear on the serial console because
the console loglevel was too low. I'll try to increase console_loglevel in
spin_bug() and see what happens.
[BTW, looking at the relevant code, in my case .owner_cpu appears to have only
the most significant bit set (??).]
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