Hi Lennart, I've further compiled pulseaudio 0.9.10 and that version can open the same device (plughw:2) with the ALSA version in Fedora 10. Do you think if it is related to the new timing mechanism after 0.9.10? Thanks, Kaworu I: core-util.c: Successfully gained nice level -11. I: main.c: This is PulseAudio 0.9.10 I: main.c: Page size is 4096 bytes I: main.c: Fresh high-resolution timers available! Bon appetit! E: shm.c: Invalid shared memory segment size I: module-alsa-sink.c: Successfully opened device plughw:2. I: module-alsa-sink.c: Successfully enabled mmap() mode. ALSA lib control.c:909:(snd_ctl_open_noupdate) Invalid CTL plughw:2 I: alsa-util.c: Unable to attach to mixer plughw:2: No such file or directory I: alsa-util.c: Unable to attach to mixer hw:(null): No such device I: sink.c: Created sink 0 "alsa_output.plughw_2" with sample spec "s16le 2ch 44100Hz" I: source.c: Created source 0 "alsa_output.plughw_2.monitor" with sample spec "s16le 2ch 44100Hz" I: module-alsa-sink.c: Using 4 fragments of size 4408 bytes. D: module-alsa-sink.c: Thread starting up D: rtpoll.c: Acquired POSIX realtime signal SIGRTMIN+29 I: module-alsa-sink.c: Starting playback. I: module.c: Loaded "module-alsa-sink" (index: #0; argument: "device=plughw:2 "). On Tue, Dec 16, 2008 at 11:55 PM, kaworu fw <kaworufw at gmail.com> wrote: > > Further I do hear noise coming out when I run the following command as you > suggested in http://www.pulseaudio.org/ticket/355 > > That's mean ALSA is able to convert S32 to packed S24. > > aplay -D plug:hw:1 -f S32_LE -r 48000 -c 2 < /dev/urandom > > > ---------- Forwarded message ---------- > From: kaworu fw <kaworufw at gmail.com> > Date: Tue, Dec 16, 2008 at 11:44 PM > Subject: Re: [pulseaudio-discuss] pulseaudio cannot recognise ALSA plughw > To: General PulseAudio Discussion <pulseaudio-discuss at mail.0pointer.de> > > > Hi Lennart, > > Thanks. I'll try. > > On the other hand I suppose my sound card (EMU 0404 USB) only supports > 24bit with MMAP interleaved.... Do you think it is the cause of the > problem? However the same setup works fine when I was using Fedora 9.... > but it doesn't work in Fedora 10 now. I also tried tsched=0 but no luck as > well. > > Cheers, > Tabris > > > > On Thu, Dec 11, 2008 at 2:31 AM, Lennart Poettering < > lennart at poettering.net> wrote: > >> On Wed, 10.12.08 22:22, kaworu fw (kaworufw at gmail.com) wrote: >> >> > Hi Lennart, >> > >> > Thanks for your suggestion. However passing mmap=0 to module-alsa-sink >> > doesn't bring me any luck to make it work. >> > >> > I will report this to ALSA people. On the other hand how can I get more >> > information from PA to pass to the ALSA people? >> >> Hmm, it might be good idea to use ltrace to list the ALSA calls made. >> >> Lennart >> >> -- >> Lennart Poettering Red Hat, Inc. >> lennart [at] poettering [dot] net ICQ# 11060553 >> http://0pointer.net/lennart/ GnuPG 0x1A015CC4 >> _______________________________________________ >> pulseaudio-discuss mailing list >> pulseaudio-discuss at mail.0pointer.de >> https://tango.0pointer.de/mailman/listinfo/pulseaudio-discuss >> > > > -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.freedesktop.org/archives/pulseaudio-discuss/attachments/20081223/b34bd9d9/attachment.htm>