Am Sonntag, den 09.05.2010, 10:24 +0200 schrieb Stefan Lucke: > On Friday 07 May 2010, Stefan Lucke wrote: > > I need some help with passing audio via HDMI. > > > > When my monitor (LG M2362D) is connected via RGB and analog audio, sound seems to OK. > > > > time aplay -D default -v -v summkl-18.wav > > .. > > real 1m5.222s > > user 0m1.522s > > sys 0m0.299s > > > > with kernel A and > > time aplay -D hw:1,3 -v -v summkl-18.wav > > .. > > thereis no sound and execution time is > > real 0m10.518s > > user 0m0.024s > > sys 0m0.056s I did not get this. Is it working with Linux kernel A? Did you make sure, that the HDMI cable is working. > > Duration with kernel B and above command is about 95 minutes. > > > > Hopefully some can help me with sounf over hdmi. > > > > motherboard: asus M4A78 PRO > > kernel A: 2.6.32.7 > > kernel B: 2.6.33 > > > Now with alsa driver from daily snapshot 20100508, which plays as slow as > kernel B from above, I get a message regarding DMA/IRQ issues: > > [ 1886.789461] ALSA pcm_lib.c:1745: playback write error (DMA or IRQ trouble?) > [ 1897.792865] ALSA pcm_lib.c:1745: playback write error (DMA or IRQ trouble?) Did you find something on the Web what could cause this. > Don't know if irq19 / irq26 is envolved: > [ 12.273055] HDA Intel 0000:01:05.1: PCI INT B -> GSI 19 (level, low) -> IRQ 19 > [ 12.273088] HDA Intel 0000:01:05.1: irq 26 for MSI/MSI-X > [ 12.273107] HDA Intel 0000:01:05.1: setting latency timer to 64 > > from /cat/proc/interrupts: > CPU0 CPU1 > 0: 3611 560316 IO-APIC-edge timer > 1: 15 857 IO-APIC-edge i8042 > 4: 0 2 IO-APIC-edge > 8: 98 3002 IO-APIC-edge rtc0 > 9: 0 0 IO-APIC-fasteoi acpi > 12: 2772 113660 IO-APIC-edge i8042 > 14: 94 2598 IO-APIC-edge ide0 > 15: 0 0 IO-APIC-edge ide1 > 16: 4 2199 IO-APIC-fasteoi ohci_hcd:usb3, ohci_hcd:usb4, hda_intel > 17: 1151 169035 IO-APIC-fasteoi ehci_hcd:usb1 > 18: 0 3 IO-APIC-fasteoi ohci_hcd:usb5, ohci_hcd:usb6, ohci_hcd:usb7, radeon@pci:0000:01:05.0 > 19: 0 0 IO-APIC-fasteoi ehci_hcd:usb2 > 21: 1 105 IO-APIC-fasteoi saa7146 (0) > 22: 558 23615 IO-APIC-fasteoi ahci, ohci1394 > 24: 563665 0 HPET_MSI-edge hpet2 > 26: 0 0 PCI-MSI-edge hda_intel > 27: 677 47104 PCI-MSI-edge eth0 > NMI: 0 0 Non-maskable interrupts > LOC: 237 3564 Local timer interrupts > SPU: 0 0 Spurious interrupts > PMI: 0 0 Performance monitoring interrupts > PND: 0 0 Performance pending work > RES: 299230 364703 Rescheduling interrupts > CAL: 16 287 Function call interrupts > TLB: 1220 2047 TLB shootdowns > TRM: 0 0 Thermal event interrupts > THR: 0 0 Threshold APIC interrupts > MCE: 0 0 Machine check exceptions > MCP: 8 8 Machine check polls > ERR: 2 > MIS: 0 > > Still no sound via HDMI. Please do not compress the `alsa-info.sh` output. Just paste it into the message or attach as plain text. Anyway, did you try different module options [1]? Thanks, Paul [1] http://alsa-project.org/main/index.php/Help_To_Debug_Intel_HDA
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