I've been pulling my hair out for a week chasing down an intermittentsound problem. I could usesome help on what to try next. I have a Vantec UGT-S110 sound card using the ICE1724 chip. On boot-up I either get good sound or none at all. If it doesn't work, nothing I can do will make it work. If it works, itworks fine until the next time I need to reboot. It seems to work on about 40% of the boots. I'm running this on Ubuntu 12.04 with all the latest maintenance. I'll include kernel information, etc, in the aadebug output later in this post. As a diagnostic, I uninstalled PulseAudio. This didn't alter the problem at all, so PA isn't part of the problem. For testing purpose, I use aplay and a known good .wav file. I've checked connections, replaced, speakers, etc., so I think those are pretty well out of the picture. I've reseated the card. One complication is my video card, which supports sound output via HDMI. I've blacklisted the appropriate module to make sure ALSA isn't trying to push sound out the wrong card. After blacklisting, "aplay -L" and "aplay -l" don't list the HDMI audio output, so I *think* that's out of the picture. Below are two listings of "aadebug" (a script I found in an ALSA troubleshooting FAQ). The first one was taken when the card works. The second one was taken when the card doesn't work. Most of the differences are in date stamps or interrupt counts, but the broken one also indicates that snd_seq_dummy is loaded. I don't know why that's loaded, or if it's a root cause or just a symptom. I have another one aadebug output that seems to show a failure when snd_seq_dummy wasn't loaded, though I'm wondering if that was a case of experimental error. I'm happy to supply other information if you tell me what you need. Does anyone have any suggestions or advice on what to try next? Thanks in advance for any help you can provide. I've spent way too many hours on this, and could use a hand. -Brian Martin ------------------------ aadebug when the sound works: ALSA Audio Debug v0.2.0 - Wed Feb 13 14:54:31 PST 2013 http://alsa.opensrc.org/aadebug http://www.gnu.org/licenses/agpl-3.0.txt Kernel ---------------------------------------------------- Linux office 3.2.0-37-generic #58-Ubuntu SMP Thu Jan 24 15:28:10 UTC 2013 x86_64 x86_64 x86_64 GNU/Linux Advanced Linux Sound Architecture Driver Version 1.0.24. Loaded Modules -------------------------------------------- snd_ice1724 132610 2 snd_ice17xx_ak4xxx 13315 1 snd_ice1724 snd_ac97_codec 134869 1 snd_ice1724 snd_ak4xxx_adda 18904 2 snd_ice1724,snd_ice17xx_ak4xxx snd_ak4114 14686 1 snd_ice1724 snd_pt2258 13130 1 snd_ice1724 snd_i2c 14191 2 snd_ice1724,snd_pt2258 snd_ak4113 14667 1 snd_ice1724 snd_pcm 97275 4 snd_ice1724,snd_ac97_codec,snd_ak4114,snd_ak4113 snd_seq_midi 13324 0 snd_rawmidi 30748 2 snd_ice1724,snd_seq_midi snd_seq_midi_event 14899 1 snd_seq_midi snd_seq 61929 2 snd_seq_midi,snd_seq_midi_event snd_timer 29990 2 snd_pcm,snd_seq snd_seq_device 14540 3 snd_seq_midi,snd_rawmidi,snd_seq snd 79041 16 snd_ice1724,snd_ac97_codec,snd_ak4xxx_adda,snd_ak4114,snd_pt2258,snd_i2c,snd_ak4113,snd_pcm,snd_rawmidi,snd_seq,snd_timer,snd_seq_device snd_page_alloc 18529 1 snd_pcm Proc Asound ----------------------------------------------- 0 [ICE1724 ]: ICE1724 - ICEnsemble ICE1724 ICEnsemble ICE1724 at 0xd080, irq 16 1: : sequencer 2: [ 0- 1]: digital audio playback 3: [ 0- 1]: digital audio capture 4: [ 0- 0]: digital audio playback 5: [ 0- 0]: digital audio capture 6: [ 0] : control 33: : timer 00-00: ICE1724 : ICE1724 : playback 1 : capture 1 00-01: ICE1724 IEC958 : ICE1724 IEC958 : playback 1 : capture 1 Client info cur clients : 1 peak clients : 1 max clients : 192 Client 0 : "System" [Kernel] Port 0 : "Timer" (Rwe-) Port 1 : "Announce" (R-e-) Client 14 : "Midi Through" [Kernel] Port 0 : "Midi Through Port-0" (RWe-) Dev Snd --------------------------------------------------- total 0 drwxr-xr-x 2 root root 60 Feb 13 14:53 by-path crw-rw---T+ 1 root audio 116, 6 Feb 13 14:53 controlC0 crw-rw---T+ 1 root audio 116, 5 Feb 13 14:53 pcmC0D0c crw-rw---T+ 1 root audio 116, 4 Feb 13 14:54 pcmC0D0p crw-rw---T+ 1 root audio 116, 3 Feb 13 14:53 pcmC0D1c crw-rw---T+ 1 root audio 116, 2 Feb 13 14:53 pcmC0D1p crw-rw---T+ 1 root audio 116, 1 Feb 13 14:53 seq crw-rw---T+ 1 root audio 116, 33 Feb 13 14:53 timer CPU ------------------------------------------------------- model name : Intel(R) Xeon(R) CPU E3-1270 V2 @ 3.50GHz cpu MHz : 3501.000 model name : Intel(R) Xeon(R) CPU E3-1270 V2 @ 3.50GHz cpu MHz : 3501.000 model name : Intel(R) Xeon(R) CPU E3-1270 V2 @ 3.50GHz cpu MHz : 3501.000 model name : Intel(R) Xeon(R) CPU E3-1270 V2 @ 3.50GHz cpu MHz : 3501.000 model name : Intel(R) Xeon(R) CPU E3-1270 V2 @ 3.50GHz cpu MHz : 3501.000 model name : Intel(R) Xeon(R) CPU E3-1270 V2 @ 3.50GHz cpu MHz : 3501.000 model name : Intel(R) Xeon(R) CPU E3-1270 V2 @ 3.50GHz cpu MHz : 3501.000 model name : Intel(R) Xeon(R) CPU E3-1270 V2 @ 3.50GHz cpu MHz : 3501.000 RAM ------------------------------------------------------- MemTotal: 16387160 kB SwapTotal: 19514236 kB Hardware -------------------------------------------------- 01:00.0 VGA compatible controller: Advanced Micro Devices [AMD] nee ATI RV630 [Radeon HD 2600XT] 01:00.1 Audio device: Advanced Micro Devices [AMD] nee ATI RV630 audio device [Radeon HD 2600 Series] 05:00.0 Multimedia audio controller: VIA Technologies Inc. VT1720/24 [Envy24PT/HT] PCI Multi-Channel Audio Controller (rev 01) Interupts ------------------------------------------------- CPU0 CPU1 CPU2 CPU3 CPU4 CPU5 CPU6 CPU7 0: 43 0 0 0 0 0 0 0 IR-IO-APIC-edge timer 1: 23 0 80 0 0 0 0 0 IR-IO-APIC-edge i8042 8: 1 0 0 0 0 0 0 0 IR-IO-APIC-edge rtc0 9: 0 0 0 0 0 0 0 0 IR-IO-APIC-fasteoi acpi 16: 1173 0 0 0 0 0 0 0 IR-IO-APIC-fasteoi ehci_hcd:usb1, snd_ice1724 23: 2378 0 0 0 0 0 0 0 IR-IO-APIC-fasteoi ehci_hcd:usb2 40: 0 0 0 0 0 0 0 0 DMAR_MSI-edge dmar0 43: 14831 3694 0 0 0 0 0 0 IR-PCI-MSI-edge ahci 44: 269 0 0 0 0 0 0 0 IR-PCI-MSI-edge xhci_hcd 48: 126 0 0 0 2497 0 0 0 IR-PCI-MSI-edge eth0-rx-0 49: 2333 0 0 0 0 0 0 0 IR-PCI-MSI-edge eth0-tx-0 50: 3 0 0 0 0 0 0 0 IR-PCI-MSI-edge eth0 51: 15 0 0 0 0 0 0 0 IR-PCI-MSI-edge mei 52: 1713 0 0 0 0 0 0 0 IR-PCI-MSI-edge radeon NMI: 20 11 11 9 10 15 10 10 Non-maskable interrupts LOC: 9655 8598 7800 7354 6149 6414 6493 5817 Local timer interrupts SPU: 0 0 0 0 0 0 0 0 Spurious interrupts PMI: 20 11 11 9 10 15 10 10 Performance monitoring interrupts IWI: 0 0 0 0 0 0 0 0 IRQ work interrupts RES: 7524 9716 9798 9391 3600 3388 4329 3880 Rescheduling interrupts CAL: 369 823 858 862 814 830 823 858 Function call interrupts TLB: 380 337 345 368 303 206 351 438 TLB shootdowns TRM: 0 0 0 0 0 0 0 0 Thermal event interrupts THR: 0 0 0 0 0 0 0 0 Threshold APIC interrupts MCE: 0 0 0 0 0 0 0 0 Machine check exceptions MCP: 2 2 2 2 2 2 2 2 Machine check polls ERR: 0 MIS: 0 ------------------- aadebug when the sound doesn't work: ALSA Audio Debug v0.2.0 - Wed Feb 13 15:00:45 PST 2013 http://alsa.opensrc.org/aadebug http://www.gnu.org/licenses/agpl-3.0.txt Kernel ---------------------------------------------------- Linux office 3.2.0-37-generic #58-Ubuntu SMP Thu Jan 24 15:28:10 UTC 2013 x86_64 x86_64 x86_64 GNU/Linux Advanced Linux Sound Architecture Driver Version 1.0.24. Loaded Modules -------------------------------------------- snd_seq_dummy 12798 0 snd_ice1724 132610 2 snd_ice17xx_ak4xxx 13315 1 snd_ice1724 snd_ac97_codec 134869 1 snd_ice1724 snd_ak4xxx_adda 18904 2 snd_ice1724,snd_ice17xx_ak4xxx snd_ak4114 14686 1 snd_ice1724 snd_pt2258 13130 1 snd_ice1724 snd_i2c 14191 2 snd_ice1724,snd_pt2258 snd_ak4113 14667 1 snd_ice1724 snd_pcm 97275 4 snd_ice1724,snd_ac97_codec,snd_ak4114,snd_ak4113 snd_seq_midi 13324 0 snd_rawmidi 30748 2 snd_ice1724,snd_seq_midi snd_seq_midi_event 14899 1 snd_seq_midi snd_seq 61929 3 snd_seq_dummy,snd_seq_midi,snd_seq_midi_event snd_timer 29990 2 snd_pcm,snd_seq snd_seq_device 14540 4 snd_seq_dummy,snd_seq_midi,snd_rawmidi,snd_seq snd 79041 16 snd_ice1724,snd_ac97_codec,snd_ak4xxx_adda,snd_ak4114,snd_pt2258,snd_i2c,snd_ak4113,snd_pcm,snd_rawmidi,snd_seq,snd_timer,snd_seq_device snd_page_alloc 18529 1 snd_pcm Proc Asound ----------------------------------------------- 0 [ICE1724 ]: ICE1724 - ICEnsemble ICE1724 ICEnsemble ICE1724 at 0xd080, irq 16 1: : sequencer 2: [ 0- 1]: digital audio playback 3: [ 0- 1]: digital audio capture 4: [ 0- 0]: digital audio playback 5: [ 0- 0]: digital audio capture 6: [ 0] : control 33: : timer 00-00: ICE1724 : ICE1724 : playback 1 : capture 1 00-01: ICE1724 IEC958 : ICE1724 IEC958 : playback 1 : capture 1 Client info cur clients : 2 peak clients : 2 max clients : 192 Client 0 : "System" [Kernel] Port 0 : "Timer" (Rwe-) Port 1 : "Announce" (R-e-) Client 14 : "Midi Through" [Kernel] Port 0 : "Midi Through Port-0" (RWe-) Dev Snd --------------------------------------------------- total 0 drwxr-xr-x 2 root root 60 Feb 13 15:00 by-path crw-rw---T+ 1 root audio 116, 6 Feb 13 15:00 controlC0 crw-rw---T+ 1 root audio 116, 5 Feb 13 15:00 pcmC0D0c crw-rw---T+ 1 root audio 116, 4 Feb 13 15:00 pcmC0D0p crw-rw---T+ 1 root audio 116, 3 Feb 13 15:00 pcmC0D1c crw-rw---T+ 1 root audio 116, 2 Feb 13 15:00 pcmC0D1p crw-rw---T+ 1 root audio 116, 1 Feb 13 14:59 seq crw-rw---T+ 1 root audio 116, 33 Feb 13 14:59 timer CPU ------------------------------------------------------- model name : Intel(R) Xeon(R) CPU E3-1270 V2 @ 3.50GHz cpu MHz : 3501.000 model name : Intel(R) Xeon(R) CPU E3-1270 V2 @ 3.50GHz cpu MHz : 3501.000 model name : Intel(R) Xeon(R) CPU E3-1270 V2 @ 3.50GHz cpu MHz : 3501.000 model name : Intel(R) Xeon(R) CPU E3-1270 V2 @ 3.50GHz cpu MHz : 3501.000 model name : Intel(R) Xeon(R) CPU E3-1270 V2 @ 3.50GHz cpu MHz : 3501.000 model name : Intel(R) Xeon(R) CPU E3-1270 V2 @ 3.50GHz cpu MHz : 3501.000 model name : Intel(R) Xeon(R) CPU E3-1270 V2 @ 3.50GHz cpu MHz : 3501.000 model name : Intel(R) Xeon(R) CPU E3-1270 V2 @ 3.50GHz cpu MHz : 3501.000 RAM ------------------------------------------------------- MemTotal: 16387160 kB SwapTotal: 19514236 kB Hardware -------------------------------------------------- 01:00.0 VGA compatible controller: Advanced Micro Devices [AMD] nee ATI RV630 [Radeon HD 2600XT] 01:00.1 Audio device: Advanced Micro Devices [AMD] nee ATI RV630 audio device [Radeon HD 2600 Series] 05:00.0 Multimedia audio controller: VIA Technologies Inc. VT1720/24 [Envy24PT/HT] PCI Multi-Channel Audio Controller (rev 01) Interupts ------------------------------------------------- CPU0 CPU1 CPU2 CPU3 CPU4 CPU5 CPU6 CPU7 0: 43 0 0 0 0 0 0 0 IR-IO-APIC-edge timer 1: 171 0 0 0 0 0 0 0 IR-IO-APIC-edge i8042 8: 1 0 0 0 0 0 0 0 IR-IO-APIC-edge rtc0 9: 0 0 0 0 0 0 0 0 IR-IO-APIC-fasteoi acpi 16: 4988 0 0 0 0 0 0 0 IR-IO-APIC-fasteoi ehci_hcd:usb1, snd_ice1724 23: 2263 0 172 0 0 0 0 0 IR-IO-APIC-fasteoi ehci_hcd:usb2 40: 0 0 0 0 0 0 0 0 DMAR_MSI-edge dmar0 43: 13929 4051 0 0 0 0 0 0 IR-PCI-MSI-edge ahci 44: 210 0 0 0 0 0 0 0 IR-PCI-MSI-edge xhci_hcd 48: 129 0 0 0 2522 0 0 0 IR-PCI-MSI-edge eth0-rx-0 49: 2365 0 0 0 0 0 0 0 IR-PCI-MSI-edge eth0-tx-0 50: 3 0 0 0 0 0 0 0 IR-PCI-MSI-edge eth0 51: 15 0 0 0 0 0 0 0 IR-PCI-MSI-edge mei 52: 1715 0 0 0 0 0 0 0 IR-PCI-MSI-edge radeon NMI: 18 13 11 10 14 10 13 10 Non-maskable interrupts LOC: 9356 9733 9446 7739 6572 5980 7040 6555 Local timer interrupts SPU: 0 0 0 0 0 0 0 0 Spurious interrupts PMI: 18 13 11 10 14 10 13 10 Performance monitoring interrupts IWI: 0 0 0 0 0 0 0 0 IRQ work interrupts RES: 9097 8452 10195 9629 3258 3678 3888 4440 Rescheduling interrupts CAL: 411 825 790 835 814 837 803 775 Function call interrupts TLB: 323 468 262 300 255 388 251 416 TLB shootdowns TRM: 0 0 0 0 0 0 0 0 Thermal event interrupts THR: 0 0 0 0 0 0 0 0 Threshold APIC interrupts MCE: 0 0 0 0 0 0 0 0 Machine check exceptions MCP: 2 2 2 2 2 2 2 2 Machine check polls ERR: 0 MIS: 0 ------------------------------------------------------------------------------ Free Next-Gen Firewall Hardware Offer Buy your Sophos next-gen firewall before the end March 2013 and get the hardware for free! 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