On Mon, May 12, 2014 at 3:43 AM, Louigi Verona <louigi.verona@email-addr-hiddenwrote:
> Hey guys!
>
> Recently I've bought a Lenovo IdeaPad B590 laptop. As it is announced as
> an Ubuntu-certified laptop (here<http://www.ubuntu.com/certification/hardware/201208-11535/>),
> I did not think twice if buying it and thought that there would hardly be
> an audio problem - I've used Lenovo laptops before and audio worked very
> well.
>
> However, I was disappointed. Not only had I to use wired Internet, as
> wi-fi does not work without installation of proprietary drivers, not only
> had I to install a later kernel, as video card was freezing the system, but
> Linux Audio does not work well at all.
>
> I am using Xubuntu 12.04 with kernel 3.8 now.
>
> Here's what has already been done.
>
> 1. All real-time priorities and audio group and such standard stuff set
> up, checked and rechecked by myself and other people at LAC.
> 2. Autostatic was kind enough to help me turn off bluetooth and webcam,
> which did seem to help a little bit. His tutorial on this is here<http://linux.autostatic.com/2013/12/29/resolved-jack-issues-on-notebook>
> .
>
> However, my problems persist.
> There are two distinct problems.
>
> *Problem 1. Xruns.*
>
> Even if nothing is done on the computer and/or with audio, xruns are
> generated. For instance, since I started writing this letter, JACK was on
> and right now I have an indicator of xruns in qjackctl which says: 7(13).
> Note, no audio programs are open at all. If I do nothing, just turn on JACK
> and leave laptop running, xruns are also generated.
>
Try disabling wifi in the BIOS/UEFI during boot. This can have dramatic
results.
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Received on Mon May 12 16:15:07 2014
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