Re: [PATCH 22/54] kset: convert /sys/devices/system to usekset_create

[Andrew Morton]

On Tue, 13 Nov 2007 16:35:15 -0800 Greg KH <gregkh@xxxxxxx> wrote:

> On Tue, Nov 13, 2007 at 04:01:44PM -0800, Andrew Morton wrote:
> > On Tue, 13 Nov 2007 15:14:10 -0800 Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> wrote:
> > 
> > > On Mon, 5 Nov 2007 12:03:34 -0800 Greg KH <gregkh@xxxxxxx> wrote:
> > > 
> > > > > > >     <4> [<0000000000142548>] sys_reboot+0x1a4/0x1f4
> > > > > > >     <4> [<0000000000111038>] sysc_noemu+0x10/0x16
> > > > > > >     <4> [<00000200001048e0>] 0x200001048e0
> > > > > > >     <4>
> > > > > > >     <4> 
> > > > > > > 
> > > > > > > Huh? We want to shutdown an unknown device on a bus that wishes to stay
> > > > > > > anonymous?
> > > > > > > 
> > > > > > > Any hints would be appreciated...
> > > > > > 
> > > > > > I'll look into this, I wonder if we are walking off the end of an
> > > > > > unterminated list...
> > > > > 
> > > > > Could well be. If I'm using lcrash's walk function correctly (which
> > > > > always manages to confuse me...), the list of devices_kset seems to be
> > > > > broken.
> > > > 
> > > > Alright, I can reproduce something like this at shutdown time myself
> > > > here, I'll try to figure it out...
> > > 
> > > <wishes he'd read this thread an hour ago>
> > > 
> > > The Vaio oopses during `reboot -f' and I bisected it down to this patch.
> > > 
> > > http://userweb.kernel.org/~akpm/dsc00034.jpg
> > > http://userweb.kernel.org/~akpm/config-sony.txt
> > > http://userweb.kernel.org/~akpm/dmesg-sony.txt
> > 
> > The G5 Mac oopses in the same place during `halt -pfn'.
> 
> Crap, I can't duplicate this here anymore.  I'll fire up the older boxes
> tonight and try to track this down...

Here's another machine hit the same thing

http://userweb.kernel.org/~akpm/config-vmm.txt
http://userweb.kernel.org/~akpm/dsc00035.jpg
(interesting EIP).

Thats'a crufty old pre-ACPI PIII running hacked-about FC1.
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