James Pearson wrote: > Frank Thommen wrote: >>> Can you post the output of lspci and lsmod ? >> sorry, forgot to copy-paste these in my original post: >> >> [root at shelley ~]# lspci >> ... >> 00:10.1 Audio device: nVidia Corporation MCP51 High Definition Audio >> (rev a2) >> >> [root at shelley ~]# lsmod >> ... >> snd_hda_intel 639265 0 > > Could this be related to BZ #586532 > <https://bugzilla.redhat.com/show_bug.cgi?id=586532> > > ??? Yes it is. Same symptoms and the fix proposed there resolved the problem: Add the option "enable_msi=0" to the snd-hda-intel line in /etc/modprobe.conf: options snd-hda-intel [your other options] enable_msi=0 Thanks for the hint. frank -- Frank Thommen - Structures IT Management and Support - EMBL Heidelberg frank.thommen at embl-heidelberg.de - +49 6221 387 8353