[Bug 401740] New: kacpi* eat a lot of cpu after s2disk
https://bugzilla.novell.com/show_bug.cgi?id=401740 Summary: kacpi* eat a lot of cpu after s2disk Product: openSUSE 11.0 Version: Final Platform: Other OS/Version: Other Status: NEW Severity: Major Priority: P5 - None Component: Kernel AssignedTo: astarikovskiy@novell.com ReportedBy: msvec@novell.com QAContact: qa@suse.de CC: pavel@novell.com Found By: --- It does not happen after clean boot, but after resume from disk kacpi_notify and kacpid both runs full power eating cpu, requiring fans to run, etc. -- 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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--- Comment #1 from Alexey Starikovskiy
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--- Comment #2 from Michal Svec
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--- Comment #3 from Michal Svec
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--- Comment #4 from Michal Svec
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--- Comment #5 from Michal Svec
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--- Comment #6 from Michal Svec
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--- Comment #7 from Alexey Starikovskiy
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--- Comment #8 from Michal Svec
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--- Comment #9 from Michal Svec
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--- Comment #10 from Michal Svec
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--- Comment #11 from Pavel Machek
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--- Comment #12 from Michal Svec
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--- Comment #13 from Michal Svec
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Pablo Sanchez
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--- Comment #15 from Michal Svec
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--- Comment #16 from Alexey Starikovskiy
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--- Comment #17 from Michal Svec
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--- Comment #18 from Alexey Starikovskiy
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--- Comment #19 from Michal Svec
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Alexey Starikovskiy
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Thomas Renninger
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Michal Svec
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--- Comment #23 from Michal Svec
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Frederic garzon
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--- Comment #25 from Alexey Starikovskiy
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--- Comment #26 from Frederic garzon
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--- Comment #27 from Michal Svec
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--- Comment #28 from Pablo Sanchez
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--- Comment #29 from Pablo Sanchez
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--- Comment #30 from Michal Svec
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--- Comment #31 from Michal Svec
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--- Comment #32 from Thomas Renninger
I couldn't get X up This should also happen without X? If not this is also a good pointer...
Can you try to: echo 0x1F >/sys/module/acpi/parameters/debug_level; powersave -u; cat 0x3
/sys/module/acpi/parameters/debug_level
and upload relevant /var/log/message parts (from when the machine entered suspend). With some luck we see which ACPI functions are executed and possibly find out why. Also have a look at console 10 (CTRL-ALT-F10, AFAIK parts from early suspend messages could pop up there). You could also try this, but it may happen that too much logs are written out: echo 0x21F >/sys/module/acpi/parameters/debug_level; powersave -u; cat 0x3
/sys/module/acpi/parameters/debug_level
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--- Comment #33 from Frederic garzon
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--- Comment #34 from Frederic garzon
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--- Comment #35 from Michal Svec
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--- Comment #36 from Frederic garzon
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--- Comment #37 from Michal Svec
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--- Comment #38 from Pablo Sanchez
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Thomas Renninger
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--- Comment #40 from Michal Svec
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--- Comment #41 from Holger Macht
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Thomas Renninger
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--- Comment #43 from Pablo Sanchez
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--- Comment #44 from Michal Svec
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--- Comment #45 from Frederic garzon
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--- Comment #46 from Pablo Sanchez
You can test the kernels available here: ftp://ftp.suse.com/pub/projects/kernel/kotd/SL110_BRANCH/i386/
The headers standalone aren't there but possibly it could be sufficient to use the version you have installed (or you could use the one from factory).
Hi, `kernel-syms' is not in the directory. I'll try without and see if s2disk/s2ram works. If it doesn't, I won't need `kernel-syms' (I needed it to build the VirtualBox drivers). Thank you. -- 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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Pablo Sanchez
...'
The problem still exists so I'm re-opening the bug as requested. Build ~~~~~ s2ram ~~~~~ This works. Yah! I tried it three times and every time it came back without kacpi* chewing CPU. s2disk ~~~~~~ I ran with X and without X. Unfortunately, both instances caused kacpi* to eat CPU. I'm only attaching forensics with X. If there's a need, I can collect data without X I am heading out on vacation at the end of the day (eastern timezone) and will be gone for a week. -- 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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--- Comment #48 from Pablo Sanchez
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--- Comment #51 from Pablo Sanchez
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--- Comment #55 from Thomas Renninger
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Thomas Renninger
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--- Comment #56 from Len Day
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--- Comment #57 from Michal Svec
Wait..., I think I see it. This should be another problem. Could you open another bug, just write down that kacpid goes wild after s2disk.
This is weird, it sounds exactly like this bug report :) I guess I will just wait for the next kernel package to test. -- 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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--- Comment #58 from Michal Svec
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Pablo Sanchez
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--- Comment #60 from Holger Macht
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--- Comment #61 from Frederic garzon
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Holger Macht
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Holger Macht
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--- Comment #63 from Pablo Sanchez
mbuild homac-hmacht-3 contains another kernel to test which most likely contains a fix. Please give it a try...
Is there a full external path? I'd like to test it. For my test, I need both kernel-pae and kernel-source please. -- 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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--- Comment #69 from Thomas Renninger
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