http://bugzilla.kernel.org/show_bug.cgi?id=5962
Summary: CPU lock up during suspend to disk
Kernel Version: 2.6.16-rc1-mm3
Status: NEW
Severity: normal
Owner: [EMAIL PROTECTED]
Submitter: [EMAIL PROTECTED]
Most recent kernel where this bug did not occur: ?
Distribution:
*SuSE 10
Hardware Environment:
*nx6125
*PCI: http://homepage.hispeed.ch/hb9xcg/lspci
*CPU: AMD Turion(tm) 64 Mobile ML-34 stepping: 2
Software Environment:
*gcc version 4.0.2 20050901 (prerelease) (SUSE Linux)
*Config: http://homepage.hispeed.ch/hb9xcg/config-2.6.16-rc1-mm3
*SystemMap: http://homepage.hispeed.ch/hb9xcg/System.map-2.6.16-rc1-mm3-mw
*dmesg: http://homepage.hispeed.ch/hb9xcg/resume-2.6.16-rc1-mm3.log
Problem Description:
During suspend to disk the system hangs for a while and reports after a few
moments a callstack:
http://homepage.hispeed.ch/hb9xcg/img_0410.jpg
After the callstack suspend to disk completes and can even be resumed.
Steps to reproduce:
1) boot in single user mode
2) enable the swap partition,
3) echo 4 > /proc/acpi/sleep
May be irrelevant, but during normal operation I get also this messages in the
kernel log:
" osl-0822 [77] os_wait_semaphore : Failed to acquire
semaphore[ffff81005733ad40|1|0], AE_TIME"
On the SuSE kernel 2.6.13-15.7-default, this message appears as well. Especially
when accessing the proc fs by f.e. "cat /proc/acpi/thermal_zone/TZ1/temperature"
after accessing the proc kacpi spins up to 100% cpu usage for a while. This may
be connected to http://bugzilla.kernel.org/show_bug.cgi?id=5534
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