[ltp] Now the sound's gone :(

Justin Mason linux-thinkpad@linux-thinkpad.org
Fri, 18 Mar 2005 09:25:17 -0800


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Jean, have you tried using APM?   I've had no difficulties with my T40 on
APM (once I eventually got the APM hibernate partition set up).

- --j.

Jean Jordaan writes:
> Hi Daniel
> 
> > startup alsamixer and _mute_ the "headphone jack sense" and "line jack
> > sense" channels.
> 
> Hmm. They *are* mute!
> 
> But .. curiouser and curiouser .. listen to this. Last night I gave up
> and ran this script to return to the original problem (insomniac
> radeon): http://www.thinkwiki.org/ACPI_sleep_power_drain_test_script
> 
> The laptop shuts down, I remove AC and close the lid. This morning, I'm
> woken by the tinny blaring of the music I started playing last night!
> Sure enough, the log shows that the battery is still being plundered:
> 
> klippie jean # cat /var/log/battery.log
> Fri Mar 18 01:08:48 SAST 2005
> before: 37900 mWh
> after: 0 mWh
> diff: -37900 mWh
> seconds: 22676 sec
> result: -6016 mW
> Your model seems to be affected.
> 
> So when the battery ran out, some undefined ACPI events were generated
>  .. yup:
> 
> Mar 18 07:37:54 [logger] ACPI group battery / action battery is not defined
>                  - Last output repeated 5 times -
> Mar 18 07:41:54 [logger] ACPI group processor / action processor is not 
> defined
> 
> The effect was to wake up the poor thing, incidentally resurrecting the
> sound card!
> 
> I plugged in and opened the lid. X came back, but then an
> all-encompassing sense of fatigue overwhelmed the T41, and it went back
> to sleep. Press the power button, and it hops out of bed trying to look
> like it's been up all along, bravely brings X back, but then trips over
> its underpants and starts snoring: hard reset.
> 
> Now I've booted back up and things are back to normal. It irritates me
> that it can't handle waking up *with AC plugged in*. My 600X on APM had
> no problems doing that with a depleted battery. But once S3 sleep is
> sorted out, that should bug me less.
> 
> Regards,
> Jean
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