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DateFri, 2 Jun 2006 15:20:21 +1200
From"Keith Chew" <>
SubjectRe: IRQ sharing: BUG: spinlock lockup on CPU#0
Hi Andrew

Thank you very much for your reply.

> We've certianly screwed around with the mmapping of IO space and such
> things in recent months, and iirc 2.6.14 was somewhat in the middle of it
> all.
>
> Are you seeing the above problem on 2.6.16.x?
>

We used to see freezes more frequently (on both 2.6.16.18 and
2.6.14.2) before setting these tweaks:
- increase PCI latency of bttv device
- disable overlay on bttv driver
- enable HPET support for Character Devices
- disable "load DRI" in xorg.conf

After the tweaks, all 10 PCs have been under stress test for 48 hours,
and the first crash was on the 2.6.14.2. We will upgrade 3 more PCs to
2.6.16.18 today, to increase the probability of crashing on that
kernel.

Will keep you posted.

Regards
Keith
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