[Bug 689848] New: Kworker uses 100% cpu ACPI error seen in /var/log/messages

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bugzilla_noreply＠novell.com

26 Apr 2011 26 Apr '11

10:23

https://bugzilla.novell.com/show_bug.cgi?id=689848 https://bugzilla.novell.com/show_bug.cgi?id=689848#c0 Summary: Kworker uses 100% cpu ACPI error seen in /var/log/messages Classification: openSUSE Product: openSUSE 11.4 Version: Factory Platform: x86-64 OS/Version: openSUSE 11.4 Status: NEW Severity: Normal Priority: P5 - None Component: Kernel AssignedTo: kernel-maintainers@forge.provo.novell.com ReportedBy: tcj@tomas.dk QAContact: qa@suse.de Found By: --- Blocker: --- User-Agent: Mozilla/5.0 (Windows NT 5.1; rv:2.0) Gecko/20100101 Firefox/4.0 # uname -a Linux vejr 2.6.39-rc4-10-default #1 SMP 2011-04-22 00:02:11 +0200 x86_64 x86_64 x86_64 GNU/Linux top - 12:10:06 up 1:47, 2 users, load average: 1.17, 1.45, 1.21 Tasks: 137 total, 2 running, 135 sleeping, 0 stopped, 0 zombie Cpu0 : 0.0%us,100.0%sy, 0.0%ni, 0.0%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st Cpu1 : 0.3%us, 0.7%sy, 0.0%ni, 99.0%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st Mem: 2045504k total, 1882848k used, 162656k free, 143740k buffers Swap: 1044220k total, 28k used, 1044192k free, 1214488k cached PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ P COMMAND 11 root 20 0 0 0 0 R 100 0.0 19:19.96 0 kworker/0:1 9807 root 20 0 8716 1156 844 R 1 0.1 0:06.06 1 top 2738 root 20 0 15604 652 444 S 0 0.0 0:01.79 1 irqbalance 1 root 20 0 12460 808 664 S 0 0.0 0:00.94 1 init 2 root 20 0 0 0 0 S 0 0.0 0:00.00 1 kthreadd 3 root 20 0 0 0 0 S 0 0.0 0:00.38 0 ksoftirqd/0 4 root 20 0 0 0 0 S 0 0.0 0:00.66 0 kworker/0:0 6 root RT 0 0 0 0 S 0 0.0 0:00.00 0 migration/0 Snip from /var/log/messages: # grep -i acpi /var/log/messages Apr 25 23:46:32 vejr kernel: [25230.150297] ACPI Error: Method parse/execution failed [\_SB_.PCI0.LPC_.SMBR] (Node ffff88007b8076f0), AE_AML_INFINITE_LOOP (20110316/psparse-536) Apr 25 23:46:32 vejr kernel: [25230.150331] ACPI Error: Method parse/execution failed [\_SB_.PCI0.LPC_.INIT] (Node ffff88007b807718), AE_AML_INFINITE_LOOP (20110316/psparse-536) Apr 25 23:46:32 vejr kernel: [25230.150352] ACPI Error: Method parse/execution failed [\_GPE._L00] (Node ffff88007bfe9d08), AE_AML_INFINITE_LOOP (20110316/psparse-536) Apr 25 23:46:32 vejr kernel: [25230.150379] ACPI Exception: AE_AML_INFINITE_LOOP, while evaluating GPE method [_L00] (20110316/evgpe-560) DSDT has been checked and no errors or warnings found. But "\_SB_.PCI0.LPC_.INIT" isn't in method L00 but "\_SB.PCI0.LPC.INIT" is. This worked with OpenSuSE 11.3 My hardware is D945GLF2 with latest BIOS upgrade (0278). Reproducible: Sometimes Steps to Reproduce: 1. reboot and wait 1-12 hours. Actual Results: With acpi=off I had one system stop. Nothing in messages just plain stop. -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.

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bugzilla_noreply＠novell.com

26 Apr 26 Apr

13:23

New subject: [Bug 689848] Kworker uses 100% cpu ACPI error seen in /var/log/messages

https://bugzilla.novell.com/show_bug.cgi?id=689848 https://bugzilla.novell.com/show_bug.cgi?id=689848#c Jeff Mahoney changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |rjw@novell.com AssignedTo|kernel-maintainers@forge.pr |trenn@novell.com |ovo.novell.com | -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.

bugzilla_noreply＠novell.com

14:08

New subject: [Bug 689848] Kworker uses 100% cpu ACPI error seen in /var/log/messages

https://bugzilla.novell.com/show_bug.cgi?id=689848 https://bugzilla.novell.com/show_bug.cgi?id=689848#c1 Thomas Renninger changed: What |Removed |Added ---------------------------------------------------------------------------- Status|NEW |ASSIGNED CC| |acpi@linux.intel.com, | |ming.m.lin@intel.com, | |Robert.Moore@intel.com --- Comment #1 from Thomas Renninger 2011-04-26 14:08:01 UTC ---

...

2.6.39-rc4-10-default This looks like a sever mainline regression. Can you also attach acpidump, please.

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