Re: kern/42051

[Arto Huusko <arto.huusko%pp2.inet.fi@localhost>]

The following reply was made to PR kern/42051; it has been noted by GNATS.

From: Arto Huusko <arto.huusko%pp2.inet.fi@localhost>
To: gnats-bugs%NetBSD.org@localhost
Cc: 
Subject: Re: kern/42051
Date: Wed, 16 Sep 2009 08:14:10 +0300

 After suspending and resuming the machine via lid switch, sysmon
 thread in kernel has wchan tstile. Stack trace for the thread is:
 
 trace: pid 0 lid 13 at 0xffff80004a0d6510
 sleepq_block() at netbsd:sleepq_block+0xcd
 turnstile_block() at netbsd:turnstile_block+0x223
 mutex_vector_enter() at netbsd:mutex_vector_enter+0x327
 acpiec_lock() at netbsd:acpiec_lock+0x1b
 acpiec_space_handler() at netbsd:acpiec_space_handler+0xd3
 AcpiEvAddressSpaceDispatch() at netbsd:AcpiEvAddressSpaceDispatch+0xc2
 AcpiExAccessRegion() at netbsd:AcpiExAccessRegion+0x162
 AcpiExFieldDatumIo() at netbsd:AcpiExFieldDatumIo+0xdc
 AcpiExWriteWithUpdateRule() at netbsd:AcpiExWriteWithUpdateRule+0xba
 AcpiExInsertIntoField() at netbsd:AcpiExInsertIntoField+0x1c0
 AcpiExWriteDataToField() at netbsd:AcpiExWriteDataToField+0x86
 AcpiExStoreObjectToNode() at netbsd:AcpiExStoreObjectToNode+0xd6
 AcpiExStore() at netbsd:AcpiExStore+0x159
 AcpiExOpcode_1A_1T_1R() at netbsd:AcpiExOpcode_1A_1T_1R+0x21b
 AcpiDsExecEndOp() at netbsd:AcpiDsExecEndOp+0x142
 AcpiPsParseLoop() at netbsd:AcpiPsParseLoop+0x25e
 AcpiPsParseAml() at netbsd:AcpiPsParseAml+0x1a6
 AcpiPsExecuteMethod() at netbsd:AcpiPsExecuteMethod+0x153
 AcpiNsEvaluate() at netbsd:AcpiNsEvaluate+0x1df
 AcpiEvaluateObject() at netbsd:AcpiEvaluateObject+0x99
 acpibat_update() at netbsd:acpibat_update+0x54
 acpibat_update_stat() at netbsd:acpibat_update_stat+0x37
 sysmon_task_queue_thread() at netbsd:sysmon_task_queue_thread+0x41
 
 
 When suspended manually from command line and resumed, sysmon is
 in its normal state smtaskq.