Troubles with ACPI on HP nx5000 laptop

[Dmitry Kondratyev]

Nate Lawson wrote:

>>     > ps
>>     45 c15b8c5c d4de5000   0     0       0       0000204  [RUNQ]
>>     acpi_thermal
>>     > trace 45
>>     sched_switch(c155f640,0,1,5e21f7f1,5e141b1) at sched_switch+0x160
>>     mi_switch(1,0,d3becca8,10) at mi_switch+0x1d9
>>     sleepq_switch(c07a4694,c155f640,d3becce0,c04e1dcc,c07a4694) at
>>     sleepq_switch+0x167
>>     sleepq_timedwait(c07a4694,54,c07a46a0,c07a0150,0) at
>>     sleepq_timedwait+0x12
>>     msleep(c07a4694,c07a46a0,254,c07a0150,3e8) at msleep+0x3bc
>>     acpi_tz_thread(0,d3becd48,68bf09fc,85e800c6, 2c483cd) at
>>     acpi_tz_thread+0x1da
>>     fork_exit(c07902f0,0,d3becd48) at fork_exit+0x80
>>     fork_trampoline() at fork_trampoline+0x8
>>     --- trap 0x1, eip = 0, esp = 0xd3becd7c, ebp = 0 ---
> 
> 
> This looks normal.  It just means there's no work for the thermal thread 
> to do so it sleeps.  I wonder why it's on the RUNQ though?
> 
> Please recompile your acpi module with options ACPI_DEBUG.  Then set 
> this at the loader prompt or in loader.conf:
> 
> debug.acpi.layer="ACPI_THERMAL"
> debug.acpi.level="ACPI_LV_OBJECTS ACPI_LV_ALL_EXCEPTIONS"
> 
> Send me the output after a hang.

THERMAL-0507 [149] acpi_tz_switch_cooler_: called to turn \_TZ_.C205 off
THERMAL-0535 [150] acpi_tz_switch_cooler_: called to turn \_TZ_.C204 on

After output everything worked for 2-3 seconds and then hung.

>>     Furthermore,  after  "cont"  in  ddb,  everything worked for a few
>>     seconds. And it always works for a while till hangs again if after
>>     hanging  I  call  ddb and type "cont". Maybe it will "unhang" if I
>>     wait till CPU gets cold.
> 
> 
> If you have a serial console, a ps on all threads once it hangs would be 
> helpful.

I don't. But if it's very important, i can make a photo. :-)