for my understanding this bug should have been fixed upstream with
kernel from kernel.org. So I'm looking forward for the next
Debian kernel including this patch.


commit 459872ffa5ac2357472118b6a875758a2b11139e
Author: Ingo Molnar
Date: Sat Aug 23 17:59:07 2008 +0200

rtc: fix deadlock

commit 38c052f8cff1bd323ccfa968136a9556652ee420 upstream

if get_rtc_time() is _ever_ called with IRQs off, we deadlock badly
in it, waiting for jiffies to increment.

So make the code more robust by doing an explicit mdelay(20).

This solves a very hard to reproduce/debug hard lockup reported
by Mikael Pettersson.

Reported-by: Mikael Pettersson
Signed-off-by: Ingo Molnar
Signed-off-by: Greg Kroah-Hartman

best regards


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