http://bugzilla.kernel.org/show_bug.cgi?id=6944
Summary: kacpid eats 80%-100% CPU.
Kernel Version: 2.6.17-gentoo-r4
Status: NEW
Severity: normal
Owner: [EMAIL PROTECTED]
Submitter: [EMAIL PROTECTED]
Most recent kernel where this bug did not occur:
Distribution:Gentoo Linux.
Hardware Environment:HP-Compaq nx6110 Notebook
Software Environment:
uname -a
Linux scrat 2.6.17-gentoo-r4 #3 SMP Wed Aug 2 16:58:15 EAT 2006 i686 Intel(R)
Pentium(R) M processor 1.60GHz GNU/Linux
Problem Description:
kacpid runs at 100% cpu usage. Computer Overheats (can almost fry an egg :-p )
Output from top:
Tasks: 85 total, 7 running, 78 sleeping, 0 stopped, 0 zombie
Cpu(s): 1.0% us, 99.0% sy, 0.0% ni, 0.0% id, 0.0% wa, 0.0% hi, 0.0% si
Mem: 248024k total, 236008k used, 12016k free, 10980k buffers
Swap: 498952k total, 280k used, 498672k free, 101492k cached
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
10 root 20 -5 0 0 0 R 98.6 0.0 26:15.18 kacpid
1443 root 15 0 23112 14m 6580 R 1.0 6.1 0:25.67 X
10107 miraj 15 0 2120 1104 840 R 0.3 0.4 0:00.02 top
1 root 15 0 1484 512 444 S 0.0 0.2 0:01.51 init
2 root RT 0 0 0 0 S 0.0 0.0 0:00.00 migration/0
3 root 34 19 0 0 0 R 0.0 0.0 0:00.00 ksoftirqd/0
4 root RT 0 0 0 0 S 0.0 0.0 0:00.00 watchdog/0
5 root 10 -5 0 0 0 S 0.0 0.0 0:01.54 events/0
6 root 10 -5 0 0 0 S 0.0 0.0 0:00.00 khelper
7 root 13 -5 0 0 0 S 0.0 0.0 0:00.00 kthread
9 root 10 -5 0 0 0 S 0.0 0.0 0:00.00 kblockd/0
101 root 10 -5 0 0 0 S 0.0 0.0 0:00.04 kseriod
104 root 10 -5 0 0 0 S 0.0 0.0 0:00.00 khubd
157 root 15 0 0 0 0 S 0.0 0.0 0:00.06 pdflush
158 root 15 0 0 0 0 S 0.0 0.0 0:00.02 pdflush
159 root 15 0 0 0 0 S 0.0 0.0 0:00.25 kswapd0
160 root 20 -5 0 0 0 S 0.0 0.0 0:00.00 aio/0
777 root 12 -5 0 0 0 S 0.0 0.0 0:00.00 kpsmoused
1610 root 15 0 0 0 0 S 0.0 0.0 0:00.00 khpsbpkt
1682 root 15 0 0 0 0 S 0.0 0.0 0:00.00 knodemgrd_0
2064 root 10 -5 0 0 0 S 0.0 0.0 0:00.18 kjournald
2754 root 13 -4 1712 532 332 S 0.0 0.2 0:00.43 udevd
8010 root 24 0 0 0 0 S 0.0 0.0 0:00.00 pccardd
9757 root 15 0 1724 580 420 S 0.0 0.2 0:00.01 syslog-ng
9797 root 25 0 1472 476 408 S 0.0 0.2 0:00.00 acpid
Steps to reproduce:
Compile ACPI in kernel, reboot, compile anything else...
Remove ACPI and problem goes away.
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