Hello there, not sure it is pulseaudio to blame yet (and again), maybe simply an Alsa bug or incompatibility. I've recently installed Fedora 10 on a brand new Dell Latitude E6500 laptop. Few hours after the system has booted (an unpredictable amount of time) sounds are simply not playing anymore - tried w/ apps, aplay, mplayer. Did somebody experience the same? Or any clue where to investigate or find a fix? I'm running GNOME and default sound settings (pulseaudio, alsa), here are some excerpts of `lspci -vvv` concerning the audio system: 00:1b.0 Audio device: Intel Corporation 82801I (ICH9 Family) HD Audio Controller (rev 03) Subsystem: Dell Device 024f Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR+ FastB2B- DisINTx- Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx- Latency: 0, Cache Line Size: 64 bytes Interrupt: pin A routed to IRQ 21 Region 0: Memory at f6adc000 (64-bit, non-prefetchable) [size=16K] Capabilities: [50] Power Management version 2 Flags: PMEClk- DSI- D1- D2- AuxCurrent=55mA PME(D0+,D1-,D2-,D3hot+,D3cold+) Status: D0 PME-Enable- DSel=0 DScale=0 PME- Capabilities: [60] Message Signalled Interrupts: Mask- 64bit+ Count=1/1 Enable- Address: 0000000000000000 Data: 0000 Capabilities: [70] Express (v1) Root Complex Integrated Endpoint, MSI 00 DevCap: MaxPayload 128 bytes, PhantFunc 0, Latency L0s <64ns, L1 <1us ExtTag- RBE- FLReset+ DevCtl: Report errors: Correctable- Non-Fatal- Fatal- Unsupported- RlxdOrd- ExtTag- PhantFunc- AuxPwr- NoSnoop+ MaxPayload 128 bytes, MaxReadReq 128 bytes DevSta: CorrErr- UncorrErr- FatalErr- UnsuppReq- AuxPwr+ TransPend- LnkCap: Port #0, Speed unknown, Width x0, ASPM unknown, Latency L0 <64ns, L1 <1us ClockPM- Suprise- LLActRep- BwNot- LnkCtl: ASPM Disabled; Disabled- Retrain- CommClk- ExtSynch- ClockPM- AutWidDis- BWInt- AutBWInt- LnkSta: Speed unknown, Width x0, TrErr- Train- SlotClk- DLActive- BWMgmt- ABWMgmt- Capabilities: [100] Virtual Channel <?> Capabilities: [130] Root Complex Link <?> Kernel driver in use: HDA Intel Kernel modules: snd-hda-intel And here is the output of a `grep -iE 'imklog|pulse|sound|snd|audio|alsa' /var/log/messages`, it shows several reboots across last 4 days, mostly to restore sound: Feb 22 04:50:20 localhost kernel: imklog 3.21.10, log source = /proc/kmsg started. Feb 22 10:55:57 localhost pulseaudio[5176]: module-alsa-sink.c: Error opening PCM device front:0: Invalid argument [repeated n times] Feb 22 22:32:14 localhost pulseaudio[5176]: module-alsa-sink.c: Error opening PCM device front:0: Invalid argument Feb 23 09:16:48 localhost pulseaudio[5176]: module-hal-detect.c: Error getting capability: org.freedesktop.Hal.NoSuchDevice: No device with id /org/freedesktop/Hal/devices/platform_parport_pc_888 Feb 23 09:16:48 localhost pulseaudio[5176]: module-hal-detect.c: Error getting capability: org.freedesktop.Hal.NoSuchDevice: No device with id /org/freedesktop/Hal/devices/platform_parport_pc_956 Feb 23 09:48:36 localhost kernel: imklog 3.21.10, log source = /proc/kmsg started. Feb 23 09:48:49 localhost bluetoothd[2610]: Parsing /etc/bluetooth/audio.conf failed: No such file or directory Feb 23 09:49:45 localhost pulseaudio[3493]: main.c: Called SUID root and real-time and/or high-priority scheduling was requested in the configuration. However, we lack the necessary privileges: Feb 23 09:49:45 localhost pulseaudio[3489]: pid.c: Stale PID file, overwriting. Feb 23 09:49:45 localhost pulseaudio[3493]: main.c: We are not in group 'pulse-rt', PolicyKit refuse to grant us the requested privileges and we have no increase RLIMIT_NICE/RLIMIT_RTPRIO resource limits. Feb 23 09:49:45 localhost pulseaudio[3493]: main.c: For enabling real-time/high-priority scheduling please acquire the appropriate PolicyKit privileges, or become a member of 'pulse-rt', or increase the RLIMIT_NICE/RLIMIT_RTPRIO resource limits for this user. Feb 23 09:49:49 localhost pulseaudio[3520]: pid.c: Daemon already running. Feb 23 09:52:52 localhost pulseaudio[3489]: module-alsa-sink.c: Increasing wakeup watermark to 40.00 ms Feb 23 10:40:01 localhost kernel: imklog 3.21.10, log source = /proc/kmsg started. Feb 23 10:40:14 localhost bluetoothd[2597]: Parsing /etc/bluetooth/audio.conf failed: No such file or directory Feb 23 10:41:09 localhost pulseaudio[3441]: pid.c: Stale PID file, overwriting. Feb 23 10:41:09 localhost pulseaudio[3444]: main.c: Called SUID root and real-time and/or high-priority scheduling was requested in the configuration. However, we lack the necessary privileges: Feb 23 10:41:09 localhost pulseaudio[3444]: main.c: We are not in group 'pulse-rt', PolicyKit refuse to grant us the requested privileges and we have no increase RLIMIT_NICE/RLIMIT_RTPRIO resource limits. Feb 23 10:41:09 localhost pulseaudio[3444]: main.c: For enabling real-time/high-priority scheduling please acquire the appropriate PolicyKit privileges, or become a member of 'pulse-rt', or increase the RLIMIT_NICE/RLIMIT_RTPRIO resource limits for this user. Feb 23 10:41:12 localhost pulseaudio[3493]: pid.c: Daemon already running. Feb 23 14:01:29 localhost kernel: imklog 3.21.10, log source = /proc/kmsg started. Feb 23 14:01:41 localhost bluetoothd[2653]: Parsing /etc/bluetooth/audio.conf failed: No such file or directory Feb 23 14:02:36 localhost pulseaudio[3509]: main.c: Called SUID root and real-time and/or high-priority scheduling was requested in the configuration. However, we lack the necessary privileges: Feb 23 14:02:36 localhost pulseaudio[3509]: main.c: We are not in group 'pulse-rt', PolicyKit refuse to grant us the requested privileges and we have no increase RLIMIT_NICE/RLIMIT_RTPRIO resource limits. Feb 23 14:02:36 localhost pulseaudio[3509]: main.c: For enabling real-time/high-priority scheduling please acquire the appropriate PolicyKit privileges, or become a member of 'pulse-rt', or increase the RLIMIT_NICE/RLIMIT_RTPRIO resource limits for this user. Feb 23 14:02:36 localhost pulseaudio[3517]: pid.c: Stale PID file, overwriting. Feb 23 14:02:39 localhost pulseaudio[3561]: pid.c: Daemon already running. Feb 23 14:06:09 localhost pulseaudio[3517]: module-alsa-sink.c: Increasing wakeup watermark to 40.00 ms Feb 23 14:06:52 localhost pulseaudio[3517]: module-alsa-sink.c: Increasing wakeup watermark to 80.00 ms Feb 23 16:14:14 localhost pulseaudio[3517]: module-alsa-sink.c: Increasing wakeup watermark to 160.00 ms Feb 24 08:41:10 localhost pulseaudio[3517]: module-alsa-sink.c: Increasing wakeup watermark to 243.94 ms [repeated n times] Feb 24 11:50:19 localhost pulseaudio[3517]: module-alsa-sink.c: Increasing wakeup watermark to 243.94 ms Feb 24 12:40:41 localhost pulseaudio[3517]: module-alsa-sink.c: ALSA woke us up to write new data to the device, but there was actually nothing to write! Most likely this is an ALSA driver bug. Please report this issue to the PulseAudio developers. Feb 24 12:41:05 localhost pulseaudio[3517]: module-alsa-sink.c: ALSA woke us up to write new data to the device, but there was actually nothing to write! Most likely this is an ALSA driver bug. Please report this issue to the PulseAudio developers. Feb 24 13:08:29 localhost pulseaudio[3517]: module-alsa-sink.c: Error opening PCM device front:0: Invalid argument [repeated n times] Feb 24 13:44:36 localhost pulseaudio[3517]: module-alsa-sink.c: Error opening PCM device front:0: Invalid argument Feb 24 13:50:34 localhost kernel: pulseaudio[3517]: segfault at 415898 ip 00415898 sp bfc16d7c error 14 in libselinux.so.1[43b000+1a000] Feb 24 13:56:26 localhost pulseaudio[2471]: main.c: Called SUID root and real-time and/or high-priority scheduling was requested in the configuration. However, we lack the necessary privileges: Feb 24 13:56:26 localhost pulseaudio[2471]: main.c: We are not in group 'pulse-rt', PolicyKit refuse to grant us the requested privileges and we have no increase RLIMIT_NICE/RLIMIT_RTPRIO resource limits. Feb 24 13:56:26 localhost pulseaudio[2471]: main.c: For enabling real-time/high-priority scheduling please acquire the appropriate PolicyKit privileges, or become a member of 'pulse-rt', or increase the RLIMIT_NICE/RLIMIT_RTPRIO resource limits for this user. Feb 24 13:56:26 localhost pulseaudio[2475]: pid.c: Stale PID file, overwriting. Feb 24 13:56:27 localhost pulseaudio[2475]: alsa-util.c: Error opening PCM device hw:0: Permission denied Feb 24 13:56:27 localhost pulseaudio[2475]: module.c: Failed to load module "module-alsa-sink" (argument: "device_id=0 sink_name=alsa_output.pci_8086_293e_sound_card_0_alsa_playback_0 tsched=1"): initialization failed. Feb 24 13:56:27 localhost pulseaudio[2475]: alsa-util.c: Error opening PCM device hw:0: Permission denied Feb 24 13:56:27 localhost pulseaudio[2475]: module.c: Failed to load module "module-alsa-source" (argument: "device_id=0 source_name=alsa_input.pci_8086_293e_sound_card_0_alsa_capture_0 tsched=1"): initialization failed. Feb 24 13:57:04 localhost pulseaudio[2604]: main.c: This program is not intended to be run as root (unless --system is specified). Feb 25 11:01:45 localhost pulseaudio[2475]: module-hal-detect.c: Error getting capability: org.freedesktop.Hal.NoSuchDevice: No device with id /org/freedesktop/Hal/devices/platform_parport_pc_888 Feb 25 11:01:45 localhost pulseaudio[2475]: module-hal-detect.c: Error getting capability: org.freedesktop.Hal.NoSuchDevice: No device with id /org/freedesktop/Hal/devices/platform_parport_pc_956 Feb 25 11:01:45 localhost pulseaudio[2475]: module-hal-detect.c: Error getting capability: org.freedesktop.Hal.NoSuchDevice: No device with id /org/freedesktop/Hal/devices/platform_parport_pc_632 Feb 25 11:04:58 localhost kernel: imklog 3.21.10, log source = /proc/kmsg started. Feb 25 11:05:10 localhost bluetoothd[2572]: Parsing /etc/bluetooth/audio.conf failed: No such file or directory Feb 25 11:06:01 localhost pulseaudio[3450]: main.c: Called SUID root and real-time and/or high-priority scheduling was requested in the configuration. However, we lack the necessary privileges: Feb 25 11:06:01 localhost pulseaudio[3450]: main.c: We are not in group 'pulse-rt', PolicyKit refuse to grant us the requested privileges and we have no increase RLIMIT_NICE/RLIMIT_RTPRIO resource limits. Feb 25 11:06:01 localhost pulseaudio[3450]: main.c: For enabling real-time/high-priority scheduling please acquire the appropriate PolicyKit privileges, or become a member of 'pulse-rt', or increase the RLIMIT_NICE/RLIMIT_RTPRIO resource limits for this user. Feb 25 11:06:05 localhost pulseaudio[3510]: pid.c: Daemon already running. Feb 25 11:13:36 localhost pulseaudio[3465]: module-alsa-sink.c: Increasing wakeup watermark to 40.00 ms Feb 25 11:18:48 localhost pulseaudio[3465]: module-alsa-sink.c: Increasing wakeup watermark to 80.00 ms Feb 25 11:20:02 localhost pulseaudio[3465]: module-alsa-sink.c: Increasing wakeup watermark to 160.00 ms Feb 25 11:21:02 localhost pulseaudio[3465]: module-alsa-sink.c: Increasing wakeup watermark to 243.94 ms [repeated n times] Feb 25 15:15:54 localhost pulseaudio[3465]: module-alsa-sink.c: Increasing wakeup watermark to 243.94 ms Feb 25 15:30:06 localhost pulseaudio[29709]: main.c: Called SUID root and real-time and/or high-priority scheduling was requested in the configuration. However, we lack the necessary privileges: Feb 25 15:30:06 localhost pulseaudio[29709]: main.c: We are not in group 'pulse-rt', PolicyKit refuse to grant us the requested privileges and we have no increase RLIMIT_NICE/RLIMIT_RTPRIO resource limits. Feb 25 15:30:06 localhost pulseaudio[29709]: main.c: For enabling real-time/high-priority scheduling please acquire the appropriate PolicyKit privileges, or become a member of 'pulse-rt', or increase the RLIMIT_NICE/RLIMIT_RTPRIO resource limits for this user. Feb 25 15:30:51 localhost pulseaudio[29770]: main.c: This program is not intended to be run as root (unless --system is specified). Feb 25 15:30:51 localhost pulseaudio[29771]: module-alsa-sink.c: Increasing wakeup watermark to 40.00 ms Feb 25 15:32:09 localhost pulseaudio[29712]: module-alsa-sink.c: Increasing wakeup watermark to 40.00 ms Feb 25 15:32:16 localhost pulseaudio[29712]: module-alsa-sink.c: Increasing wakeup watermark to 80.00 ms Feb 25 15:32:25 localhost pulseaudio[29712]: module-alsa-sink.c: Increasing wakeup watermark to 160.00 ms Feb 25 17:24:33 localhost pulseaudio[29712]: module-alsa-sink.c: Increasing wakeup watermark to 243.94 ms [repeated n times] Feb 26 09:14:47 localhost pulseaudio[29712]: module-alsa-sink.c: Increasing wakeup watermark to 243.94 ms Regards, -- wwp
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