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kern/41703: hangs during powerdown
Note: There was a bad value `' for the field `Priority'.
It was set to the default value of `medium'.
>Synopsis: hangs during powerdown
>Arrival-Date: Sun Jul 12 11:30:00 +0000 2009
>Originator: Mark Davies
>Release: NetBSD 5.0_STABLE
Dept. of Comp. Sci., Victoria Uni. of Wellington, New Zealand.
System: NetBSD turakirae.ecs.vuw.ac.nz 5.0_STABLE NetBSD 5.0_STABLE
(ECS_WORKSTATION) #15: Fri Jun 26 10:02:00 NZST 2009
Currently on my boxes (running 5.0) I see this:
Dell Optiplex 745's 755's and 760's - approx 50% of the time "halt -p"
will successfully power off, the rest of the time hangs after "acpi0:
entering state 5" (these are all twin cpu machines).
However Dell Latitude laptop (E6400 and D620, both twin cpus) "halt -p"
always successfully powers off.
"halt -p", observe
Joerg Sonnenberger suggested a patch at
however that results in a
panic: cpu_switchto: switching above IPL_SCHED(8)
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