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From: Jung-uk Kim <jkim@FreeBSD.org>
To: Denis <piloyder@gmail.com>
Date: Sat, 15 Sep 2007 09:11:36 -0400
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Cc: freebsd-acpi@FreeBSD.org
Subject: Re: ACPI error on Compaq nc6220, FreeBSD 7.0
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On Saturday 15 September 2007 05:04 am, Denis wrote:
> On 9/15/07, Jung-uk Kim <jkim@freebsd.org> wrote:
> > > > > panic: _sx_xlock_hard: recursed on non recursive sx ACPI
> > > > > embedded controller  @
> > > > > /usr/src/sys/modules/acpi/acpi/../../../acpica/acpi_ec.c:20
> > > > >9
> > > > >
> > > > > cpuid = 0
> > > > > KDB: enter: panic
> > > > > [thread: pid 8 tid 100018 ]
> > > > > Stopped at          kbd_enter+0x32: leave
> > > > > db>
> > > > > ---
> > >
> > > Actually I am seeing the same problem.
> >
> > Can you try this patch *after* applying Nate's patch?  It should
> > fix this problem.
>
> I applied Nate's patch, your patch and this patch and got kernel
> panic: ---
> panic: blockable sleep lock (sleep mutex) 32 @ vm/uma_core:1830
> cpuid = 0
> KDB: enter: panic
> [thread pid 21 tid 100013 ]
> Stopped at              kdb_enter+0x32: leave
> ---

Did you remove spinlock_enter() and spinlock_exit()?

Jung-uk Kim