Hi,
On 21.02.2012 08:47, Lou Picciano wrote:
All,
Really stumped on this one: even after recent updates, we are unable
to do a smooth software reboot; see a deadman timeout and CPU panic,
followed by a core dump. Immediately thereafter, the machine _does_
reboot itself. Hmmm....
The machine has recently been upgraded to prestable-a1; prestable_a2
is next. Prestable seems to have addressed the interrupt storm issue
on this SandyBridge machine; vmstat 5 interrupt counts have dropped
to
< 1k from 7+ _million_. So far, so good. But now we can't get past
the
reboot issue.
There may still be a timing issue after all - we are able to take the
machine down occasionally with parallel gcc builds. Anyone have any
suggestions/inputs on this?
few more questions:
1) "But now we can't get past the reboot issue."
- does it mean in previous releases you were able to reboot without
problems?
2) reboot - does it mean poweroff is working?
3) which reboot does not work? fast or full?
4) "we are able to take the machine down occasionally with parallel gcc
builds"
- does it mean system is crashing occasionally under load?
5) at which stage of system shutdown does deadman hit? Does it create
crashdump?
Regards,
Lou Picciano
Best regards,
Milan
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