Date: Tue, 24 Aug 2004 10:55:00 -0700 From: Nate Lawson <nate@root.org> To: OGAWA Takaya <t-ogawa@triaez.kaisei.org> Cc: acpi@FreeBSD.org Subject: Re: acpi mpsafe panic? on acpi_panasonic Message-ID: <412B80F4.5080006@root.org> In-Reply-To: <86d61gpkgv.wl.t-ogawa@triaez.kaisei.org> References: <86hdqtq1ii.wl.t-ogawa@triaez.kaisei.org> <412AC940.7080408@cryptography.com> <86d61gpkgv.wl.t-ogawa@triaez.kaisei.org>
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OGAWA Takaya wrote: > At Mon, 23 Aug 2004 21:51:12 -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. -Nate
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