ACPI issue in 7-current ?
nate at root.org
Thu Aug 11 17:05:58 GMT 2005
John Baldwin wrote:
> On Wednesday 10 August 2005 11:41 am, Khetan Gajjar wrote:
>>I've been running a 6-current box which I upgraded recently to 7.
>>At the same time, I disabled WITNESS and INVARIANTS in the kernel.
>>I've noticed the machine doing some very weird things ever since.
> Looks like the locking in acpi_tz is rather busted as it has tried to hold a
> mutex across kthread_create() which is not ok. That is where the LOR's come
> from at least. I'm not sure if that is the cause of your other problems
>>acpi_tz0: <Thermal Zone> on acpi0
>>malloc(M_WAITOK) of "PROC", forcing M_NOWAIT with the following
>>non-sleepable lo cks held:
>>exclusive sleep mutex ACPI thermal zone r = 0 (0xc0859d20) locked @
Too late, it was introduced by the passive cooling commit and fixed a
while ago by ume at .
More information about the freebsd-current