New witness warnings/LOR when booting

Maxim Maximov mcsi at mcsi.pp.ru
Fri Aug 5 13:52:00 GMT 2005


Hajimu UMEMOTO wrote:
> Hi,
> 
> 
>>>>>>On Thu, 04 Aug 2005 19:40:59 +0400
>>>>>>Maxim Maximov <mcsi at mcsi.pp.ru> said:
> 
> 
> mcsi> acpi_tz0: <Thermal Zone> on acpi0
> mcsi> malloc(M_WAITOK) of "PROC", forcing M_NOWAIT with the following 
> mcsi> non-sleepable locks held:
> mcsi> exclusive sleep mutex ACPI thermal zone r = 0 (0xc0bd3340) locked @ 
> mcsi> /usr/src/sys/modules/acpi/acpi/../../../dev/acpica/acpi_thermal.c:1023
> mcsi> KDB: stack backtrace:
> mcsi> kdb_backtrace(1,c1ecd1d4,c11391e0,1,c0c20b90) at kdb_backtrace+0x29
> mcsi> witness_warn(5,0,c08f094c,c08d52a5,c1ecd1d4) at witness_warn+0x18e
> mcsi> uma_zalloc_arg(c11391e0,0,2) at uma_zalloc_arg+0x41
> mcsi> fork1(c09b2e00,60034,0,c0c20be4) at fork1+0x106
> mcsi> kthread_create(c0bbe06c,c1ecd100,c1ecd1d4,40000,0) at kthread_create+0x3d
> mcsi> acpi_tz_cooling_thread_start(c1ecd124,0,307a74,c0bd1b78,c1b136e0) at 
> mcsi> acpi_tz_cooling_thread_start+0x84
> mcsi> acpi_tz_attach(c1c2ce80) at acpi_tz_attach+0x46c
> 
> I've just committed the fix.
> 
> http://www.freebsd.org/cgi/cvsweb.cgi/src/sys/dev/acpica/acpi_thermal.c.diff?r1=1.54&r2=1.55
> 

This fixes all warnings. Thanks!

-- 
Maxim Maximov


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