NetBSD Problem Report #41703
From mark@ecs.vuw.ac.nz Sun Jul 12 11:26:45 2009
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Date: Sun, 12 Jul 2009 22:44:19 +1200 (NZST)
From: mark@ecs.vuw.ac.nz
Reply-To: mark@ecs.vuw.ac.nz
To: gnats-bugs@gnats.NetBSD.org
Subject: hangs during powerdown
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>Number: 41703
>Category: kern
>Synopsis: hangs during powerdown
>Confidential: no
>Severity: serious
>Priority: medium
>Responsible: kern-bug-people
>State: open
>Class: sw-bug
>Submitter-Id: net
>Arrival-Date: Sun Jul 12 11:30:00 +0000 2009
>Last-Modified: Sun Jul 12 14:05:02 +0000 2009
>Originator: Mark Davies
>Release: NetBSD 5.0_STABLE
>Organization:
Dept. of Comp. Sci., Victoria Uni. of Wellington, New Zealand.
>Environment:
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 mark@turakirae.ecs.vuw.ac.nz:/local/SAVE/build.obj/src/work/5/src/sys/arch/i386/compile/ECS_WORKSTATION i386
Architecture: i386
Machine: i386
>Description:
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.
>How-To-Repeat:
"halt -p", observe
>Fix:
Joerg Sonnenberger suggested a patch at http://www.netbsd.org/~joerg/cpu.c.diff
however that results in a
panic: cpu_switchto: switching above IPL_SCHED(8)
on halt.
>Audit-Trail:
From: Soren Jacobsen <snj@pobox.com>
To: gnats-bugs@NetBSD.org
Cc:
Subject: Re: kern/41703: hangs during powerdown
Date: Sun, 12 Jul 2009 07:00:59 -0700
On Jul 12, 2009, at 4:30 AM, mark@ecs.vuw.ac.nz wrote:
> 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).
I see this behavior on a Gigabyte EG45M-DS2H.
>Unformatted:
(Contact us)
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