Re: vlc+jack stutters on 3.9

[Grant]

> The 3.8 kernel works great but the 3.9 kernel causes audio to stutter
> if I use vlc and jack. If I don't use jack it works fine and mplayer
> works fine on 3.9 with or without jack. The kernel configs are the
> same within CONFIG_SND.  I've been over this on the vlc mailing list:
>
> http://vlc-videolan.10979.n7.nabble.com/vlc-stutters-on-3-9-linux-kernel-td5440.html
>
> I submitted a vlc bug but it was closed and I was told it is a kernel
> regression and I should contact the kernel folks:
>
> https://trac.videolan.org/vlc/ticket/8617
>
> - Grant

Could this from dmesg be related?  I'm on a Dell XPS 13 with the latest BIOS:

[drm] Wrong MCH_SSKPD value: 0x16040307
[drm] This can cause pipe underruns and display issues.
[drm] Please upgrade your BIOS to fix this.
[drm] GMBUS [i915 gmbus vga] timed out, falling back to bit banging on pin 2

- Grant
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