Every time pulseaudio starts, I see the following in the logs:
Apr 28 11:17:56 golem pulseaudio: [pulseaudio] module-alsa-card.c: Failed to find a working profile.
Apr 28 11:17:56 golem pulseaudio: [pulseaudio] module.c: Failed to load module "module-alsa-card" (argument: "device_id="29" name="platform-thinkpad_acpi" card_name="alsa_card.platform-thinkpad_acpi" namereg_fail=false tsched=yes fixed_latency_range=no ignore_dB=no deferred_volume=yes card_properties="module-udev-detect.discovered=1""): initialization failed.
Matthias, is this still a problem with the latest kernel?
Can you confirm if this is a duplicate of bug 813548
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