On Sat, 30 Sep 2006 15:21:16 +0200 Dominique Dumont <domi.dumont@xxxxxxx> wrote: > Jascha Berberich <jascha.berberich@xxxxxx> writes: > > > While there is I/O load on the PCI bus on my mainboard (Asus A7N8X-E > > deluxe) I got heavy drop outs (xruns) and the sound seems to lower > > its speed (as an walkman with an empty battery), regardless by witch > > device the load is produced (the most ugliest drop outs I had with > > load produced by my S-ATA Seagate harddrives, but also when copying > > a CD on the harddrives or when having heavy network traffic). > > Uh oh, this looks like the problem I have with my a7n8x deluxe board + > sata IO + drop-out . > > See the threads > http://www.mail-archive.com/alsa-user@xxxxxxxxxxxxxxxxxxxxx/msg17399.html > http://www.mail-archive.com/alsa-user@xxxxxxxxxxxxxxxxxxxxx/msg17641.html > > I'm still digging the issue. Thank you for the URLs! > Lee Revell asked me to "try the -rt kernel, enable latency tracing and > post the output." So far, I've can't boot this rt kernel (Still trying > though) > > If you could get these traces on your side, it would be helpfull. Okay, now I have got 2.6.16-rt29 with Preemption Mode (Complete Preemption (Real-Time) working. I have searched around a bit but couldn't find how to trace the latency. The problem with the xruns still exists and the RT kernel has not brought a change exept this: there are now no drop outs but the already illustrated slow motion sound (like a walkman with an nearly empty battery). Greets, Jascha PS: Some additional information about my system: APIC is disabled: # cat /proc/interrupts CPU0 0: 3551542 XT-PIC [........N/ 0] pit 1: 5775 XT-PIC [........./ 1] i8042 2: 0 XT-PIC [........N/ 0] cascade 3: 0 XT-PIC [........./ 0] ehci_hcd:usb1 4: 0 XT-PIC [........./ 0] ohci_hcd:usb3 5: 201890 XT-PIC [........./ 0] nvidia 7: 64859 XT-PIC [........./ 0] ICE1712 8: 2 XT-PIC [........./ 0] rtc 9: 0 XT-PIC [........./ 0] acpi, ohci_hcd:usb2 10: 327430 XT-PIC [........./ 0] eth0 11: 137399 XT-PIC [........./ 0] libata 12: 213263 XT-PIC [........./ 0] i8042 15: 77 XT-PIC [........./ 0] ide1 NMI: 0 ERR: 0 # cat /proc/asound/card0/pcm0p/sub0/hw_params access: MMAP_INTERLEAVED format: S32_LE subformat: STD channels: 10 rate: 48000 (48000/1) period_size: 1024 buffer_size: 6553 tick_time: 1000 CPU is a Athlon XP 2600 with 1024 MiB DDR-RAM. Before the Terratec EWX I owned an old Soundblaster Live 1024 and had no problems at all... ------------------------------------------------------------------------- Take Surveys. Earn Cash. Influence the Future of IT Join SourceForge.net's Techsay panel and you'll get the chance to share your opinions on IT & business topics through brief surveys -- and earn cash http://www.techsay.com/default.php?page=join.php&p=sourceforge&CID=DEVDEV _______________________________________________ Alsa-user mailing list Alsa-user@xxxxxxxxxxxxxxxxxxxxx https://lists.sourceforge.net/lists/listinfo/alsa-user
