[Bug 145377] Re: Powertop reports huge number of wakeups and drains battery

Barteq barteqpl at gmail.com
Mon May 12 23:12:30 UTC 2008


Hi Colin.

Was absent for a bit but have to come back here with some clearing. 
You said:  "The power at bughost issue was in fact related to bug 177895, which turned out to be a few issues, one of which was Opera killing the laptop with excessive amounts of wakeups.. it's quite a drawn out saga." 

It is not related. Not in a way you're writing here. Yep - my overloaded
opera with milions of mails, usenet and rss news counted in tousands
causes up to 8k wakeups per second (with 4000~8000 context switches /
s). It is quite isolated issue and can be omitted. There is also another
problem - massive amout of interrupts from nowhere. Maybe it's a bug in
hardware/misonfigured or broken BIOS/ broken ACPI table / interrupt
strom and many more. Problem was gone for about a month, but today it
reappeared.. Without any couse i've got 40 thousand of wakeups. So..
this bug still exists in latest hardy kernel.

* In logs opera is running in background (using it to write this
comment) so 8k of cs is quite normal and not related to main issue

2.6.24-17-generic

** Attachment added: "powertop_bis.log"
   http://launchpadlibrarian.net/14481499/powertop_bis.log

-- 
Powertop reports huge number of wakeups and drains battery
https://bugs.launchpad.net/bugs/145377
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