Hi,

I’ve got an HP ZBook with C6.5 and KDE. Yesterday I was able to play music, today I can’t get any sound out of my pc.

lspci -v
00:1b.0 Audio device: Intel Corporation 8 Series/C220 Series Chipset High Definition Audio Controller (rev 04)
Subsystem: Hewlett-Packard Company Device 1909
Flags: bus master, fast devsel, latency 0, IRQ 34
Memory at cca30000 (64-bit, non-prefetchable) [size=16K]
Capabilities: [50] Power Management version 2
Capabilities: [60] MSI: Enable+ Count=1/1 Maskable- 64bit+
Capabilities: [70] Express Root Complex Integrated Endpoint, MSI 00
Capabilities: [100] Virtual Channel Kernel driver in use: snd_hda_intel Kernel modules: snd-hda-intel

grep snd /var/log/messages (latest boot):
Jun 4 19:45:20 Antisana kernel: snd_hda_intel 0000:00:1b.0: power state changed by ACPI to D0
Jun 4 19:45:20 Antisana kernel: snd_hda_intel 0000:00:1b.0: power state changed by ACPI to D0
Jun 4 19:45:20 Antisana kernel: snd_hda_intel 0000:00:1b.0: PCI INT A -> GSI 22 (level, low) -> IRQ 22

Elsewhere in messages I find a occurences of Jun 3 17:50:56 Antisana pulseaudio[3454]: alsa-sink.c: Waarschijnlijk is dit een fout in het ALSA-stuurprogramma