acpi mpsafe panic? on acpi_panasonic

[OGAWA Takaya]

At Tue, 24 Aug 2004 10:55:00 -0700,
Nate Lawson wrote:
> >>>If all of WITNESS, INVARIANTS and INVARIANT_SUPPORT are turned on:
> >>>Kernel panics.
> >>>
> >>>
> >>>>witness_get: witness exhausted
> >>>>panic: _sx_xlock (ACPI Panasonic extras): xlock already held @ /usr/src/sys/modules/acpi/acpi_panasonic/../../../i386/acpica/acpi_panasonic.c:214
> >>
> >>Please try the attached patch.
> > 
> > Thank you for taking a look at it, however there was no lock.
> > Still the same symptom even with the patch.
> > 
> > Is there any additional information I can provide?
> 
> I took a closer look and found an error that caused the mutex to not be
> released in some cases.  Please cvsup and test.  If someone has a
> problem with acpi_asus, please let me know.  It does not appear to have
> the same problem.

World build and installed, and now the panic seems to have gone away.
Thank you so much!

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おがわ たかや
t-ogawa at triaez.kaisei.org