Here are messages logged to /var/log/messages by pulseaudio:<br><pre>Apr 6 16:49:59 speedy pulseaudio[2312]: module-alsa-card.c: Failed to find a working profile.<br>Apr 6 16:49:59 speedy pulseaudio[2312]: module.c: Failed to load module "module-alsa-card" (argument: "device_id="0" name="pci-0000_02_00.0" card_name="alsa_card.pci-0000_02_00.0" tsched=yes ignore_dB=no card_properties="module-udev-detect.discovered=1""): initialization failed.<br>
Apr 6 16:50:00 speedy pulseaudio[2312]: module-alsa-card.c: Failed to find a working profile.<br>Apr 6 16:50:00 speedy pulseaudio[2312]: module.c: Failed to load module "module-alsa-card" (argument: "device_id="0" name="pci-0000_02_00.0" card_name="alsa_card.pci-0000_02_00.0" tsched=yes ignore_dB=no card_properties="module-udev-detect.discovered=1""): initialization failed.<br>
Apr 6 16:50:00 speedy pulseaudio[2312]: module-alsa-card.c: Failed to find a working profile.<br>Apr 6 16:50:00 speedy pulseaudio[2312]: module.c: Failed to load module "module-alsa-card" (argument: "device_id="0" name="pci-0000_02_00.0" card_name="alsa_card.pci-0000_02_00.0" tsched=yes ignore_dB=no card_properties="module-udev-detect.discovered=1""): initialization failed.<br>
Apr 6 16:50:00 speedy pulseaudio[2312]: module-alsa-card.c: Failed to find a working profile.<br>Apr 6 16:50:00 speedy pulseaudio[2312]: module.c: Failed to load module "module-alsa-card" (argument: "device_id="0" name="pci-0000_02_00.0" card_name="alsa_card.pci-0000_02_00.0" tsched=yes ignore_dB=no card_properties="module-udev-detect.discovered=1""): initialization failed.<br>
Apr 6 16:50:00 speedy pulseaudio[2312]: module-alsa-card.c: Failed to find a working profile.<br>Apr 6 16:50:00 speedy pulseaudio[2312]: module.c: Failed to load module "module-alsa-card" (argument: "device_id="0" name="pci-0000_02_00.0" card_name="alsa_card.pci-0000_02_00.0" tsched=yes ignore_dB=no card_properties="module-udev-detect.discovered=1""): initialization failed.<br>
Apr 6 16:50:00 speedy pulseaudio[2312]: module-alsa-card.c: Failed to find a working profile.<br>Apr 6 16:50:00 speedy pulseaudio[2312]: module.c: Failed to load module "module-alsa-card" (argument: "device_id="0" name="pci-0000_02_00.0" card_name="alsa_card.pci-0000_02_00.0" tsched=yes ignore_dB=no card_properties="module-udev-detect.discovered=1""): initialization failed.<br>
Apr 6 16:50:00 speedy pulseaudio[2312]: module-udev-detect.c: Tried to configure /devices/pci0000:00/0000:00:1e.0/0000:02:00.0/sound/card0 (alsa_card.pci-0000_02_00.0) more often than 5 times in 10s<br><br><br></pre><br>
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