Re: panic: blockable sleep lock (sleep mutex) 32 _at_ /usr/src/sys/vm/uma_core.c:1990

A M_WAITOK allocation while holding a lock will do this.

-Kip

On Tue, Jun 9, 2009 at 6:25 AM, Paul B. Mahol<onemda_at_gmail.com> wrote:
> #0  doadump () at pcpu.h:246
> #1  0xc04acb4e in boot (howto=260) at /usr/src/sys/kern/kern_shutdown.c:419
> #2  0xc04ace22 in panic (fmt=Variable "fmt" is not available.) at
> /usr/src/sys/kern/kern_shutdown.c:575
> #3  0xc04ecba0 in witness_checkorder (lock=0xc1094788, flags=9,
> file=0xc06429a7 "/usr/src/sys/vm/uma_core.c", line=1990,
> interlock=0x0) at /usr/src/sys/kern/subr_witness.c:1063
> #4  0xc049ded4 in _mtx_lock_flags (m=0xc1094788, opts=0,
> file=0xc06429a7 "/usr/src/sys/vm/uma_core.c", line=1990) at
> /usr/src/sys/kern/kern_mutex.c:200
> #5  0xc05b3eb3 in uma_zalloc_arg (zone=0xc108c700, udata=0x0, flags=1)
> at /usr/src/sys/vm/uma_core.c:1990
> #6  0xc049a564 in malloc (size=dwarf2_read_address: Corrupted DWARF
> expression.) at uma.h:305
> #7  0xc09cc51f in AcpiOsExecute (Type=OSL_GPE_HANDLER,
> Function=0xc099c100 <AcpiEvAsynchExecuteGpeMethod>,
> Context=0xc3d49618) at
> /usr/src/sys/modules/acpi/acpi/../../../dev/acpica/Osd/OsdSchedule.c:103
> #8  0xc099c448 in AcpiEvGpeDispatch (GpeEventInfo=0xc3d49618,
> GpeNumber=2) at
> /usr/src/sys/modules/acpi/acpi/../../../contrib/dev/acpica/events/evgpe.c:863
> #9  0xc099c66b in AcpiEvGpeDetect (GpeXruptList=0xc3d4b400) at
> /usr/src/sys/modules/acpi/acpi/../../../contrib/dev/acpica/events/evgpe.c:586
> #10 0xc099e699 in AcpiEvSciXruptHandler (Context=0xc3d4b400) at
> /usr/src/sys/modules/acpi/acpi/../../../contrib/dev/acpica/events/evsci.c:172
> #11 0xc0487955 in intr_event_execute_handlers (p=0xc3d0aa90,
> ie=0xc3d09300) at /usr/src/sys/kern/kern_intr.c:1146
> #12 0xc04885bf in ithread_loop (arg=0xc3d4b3f0) at
> /usr/src/sys/kern/kern_intr.c:1159
> #13 0xc0485728 in fork_exit (callout=0xc0488520 <ithread_loop>,
> arg=0xc3d4b3f0, frame=0xc39e7d38) at /usr/src/sys/kern/kern_fork.c:828
> #14 0xc05ea6e0 in fork_trampoline () at /usr/src/sys/i386/i386/exception.s:270
>
> Some recent change in acpi is causing this.
>
> --
> Paul
> _______________________________________________
> freebsd-current_at_freebsd.org mailing list
> http://lists.freebsd.org/mailman/listinfo/freebsd-current
> To unsubscribe, send any mail to "freebsd-current-unsubscribe_at_freebsd.org"
>



-- 
When bad men combine, the good must associate; else they will fall one
by one, an unpitied sacrifice in a contemptible struggle.

    Edmund Burke