[Bug 579117] Re: Wireless blocks USB-Audio, leading to dropouts

[Chris Hermansen]

In case it's useful, I attach a merge of syslog and messages (sort -u)
that covers from just before a startup of Rhythmbox, through a few
underruns, to terminating Rhythmbox partway through the first song.

On Thu, 2010-05-20 at 02:14 +0000, Chris Hermansen wrote:

> David, /var/log/syslog contains the calibration timeout
> messages; /var/log/messages contains the Underrun! messages... but
> anyway, that's what "sort" is for...
> 
> In answer to your question, they are often synchronized:
> 
> Starting with a sample at 07:54 yesterday:
> 
> the 1st Underrun happens at 07:54:11, same time as a calibration
> timeout.
> the 2nd Underrun happens at 18:23:44, some 4 minutes after the last
> calibration timeout and 1.5 minutes before the next one
> the 3rd Underrun happens at 18:25:03, same time as a calibration timeout
> the 4th Underrun and 5th happen at 18:25:04, same time as a calibration
> timeout
> the 6th Underrun happens at 18:26:43, same time as a calibration timeout
> the 7th Underrun happens at 18:28:43, same time as a calibration timeout
> the 8th Underrun happens at 18:28:44, same time as two calibration
> timeouts
> 
> Hmm maybe I should have said they are most often synchronized!
> 
> On Wed, 2010-05-19 at 06:13 +0000, David Henningsson wrote:
> 
> > I'm afraid I don't know much more than you do at this point.
> > Theoretically, if the watermark is 60 ms, anything below approx 50 ms
> > shouldn't cause an underrun.
> > 
> > Btw, are the "calibration timeout" and the "underrun" messages
> > synchronized? You should be able to see both if you look in
> > /var/log/syslog.
> > 
> 
> 
> -- 
> Regards,
> 
> Chris Hermansen · mailto:c.hermansen at telus.net
> 


-- 
Regards,

Chris Hermansen · mailto:c.hermansen at telus.net


** Attachment added: "log.txt"
   http://launchpadlibrarian.net/48792792/log.txt

-- 
Wireless blocks USB-Audio, leading to dropouts
https://bugs.launchpad.net/bugs/579117
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