http://bugzilla.kernel.org/show_bug.cgi?id=11348
------- Comment #24 from [EMAIL PROTECTED] 2008-12-07 07:22 -------
Today I've compiled newest 2.6.27.8 kernel with no additional ACPI-related
patches, but there wasn't any need to test "idle=poll" neither "idle=halt",
because... the problem couldn't be noticed anymore.
It's still the same hardware, with small differences:
- newer SATA controller (SiI3512 instead of 3112)
- new harddisk
- the compilation have been done using newer gcc and newer glibc (2.8),
Gobolinux distribution
...but AFAIK the differences listed couldn't have any (significant) influence?
Is it possible, that some other improvements in new kernel made the problem
disappear? Or perhaps it still persist - but just it isn't so much annoying,
that it's harder to notice?
If there's a need to make additional check, just let me know.
More details:
> if you're building that 2.6.27 kernel from scratch,
> please be sure to include CONFIG_CPU_IDLE=y
# shared options
#
# CONFIG_X86_ACPI_CPUFREQ_PROC_INTF is not set
CONFIG_X86_SPEEDSTEP_LIB=m
CONFIG_X86_SPEEDSTEP_RELAXED_CAP_CHECK=y
CONFIG_CPU_IDLE=y
CONFIG_CPU_IDLE_GOV_LADDER=y
CONFIG_CPU_IDLE_GOV_MENU=y
Last lines of lsmod:
thermal 16284 0
button 7056 0
processor 34988 2 thermal
> please run powertop and report if you're getting
> an excessive number of wakeup's per seconds
> when idle, for this bug may be a duplicate of bug 10914
> which was seen in 2.6.26 and mysteriously gone in 2.6.27.
Output of powertop:
PowerTOP version 1.9 (C) 2007 Intel Corporation
Cn Avg residency P-states (frequencies)
C0 (CPU aktywny) (99,9%)
C1 0,0ms ( 0,0%)
C2 0,0ms ( 0,1%)
Wakeups-from-idle per second : 547,4 interval: 5,0s
Top causes for wakeups:
45,3% ( 75,0) <interrupt> : bttv0, EMU10K1, [EMAIL
PROTECTED]:0000:01:00.0
13,0% ( 21,6) <interrupt> : ide0
12,1% ( 20,0) <kernel module> : bttv_input_init (bttv_input_timer)
8,3% ( 13,8) <interrupt> : PS/2 keyboard/mouse/touchpad
6,3% ( 10,4) gkrellm : schedule_timeout (process_timeout)
5,6% ( 9,2) X : do_setitimer (it_real_fn)
Attached acpi-dump (file acpi20081207.dump.gz) and dmesg (dmesg20081207.gz).
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