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SubjectRe: 2.4.10-ac4 (SMP, highmem) complete freeze
Marcelo Tosatti writes:

> Can you try to get any backtraces the next time the machine locks up ?
>
> You can use the SysRQ key's for that (documentation about it at
> Documentation/sysrq.txt). (Alt+SysRQ+T and Alt+SysRQ+P traces)

Well, at the time of this lockup I was in almost on-line contact
with Ingo and we couldn't get anything at all! Screen was dead blank,
no keystroke worked, NumLock didn't work, even Power Off didn't work.
Also, nothing over netconsole. If you have any other suggestion,
please ...

I'm now back to 2.4.3 (which worked reliably for months)
just to make sure that the hardware is OK.
But I strongly suspect kernel, because these deadlock
coincide with 2.4.10 and I don't believe in coincidences.

-Igor Mozetic
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