your guess was correct, I hadn't believed in such trivial solution. Thanks, -Rainer Takashi Iwai wrote: > At Fri, 29 Jun 2007 13:36:15 +0200, > Rainer Menzner wrote: > >> Hi, >> >> my soundcard is an onboard AC97 CK804 NVidia. I use snd-intel8x0 module. >> Everything works fine except recording sound. When calling >> >> arecord -f cd buffer.wav >> >> the program infinitely hangs, and an strace shows that it is a poll() >> call that does not return. After interrupting, a wave file of 44 bytes >> which is the header only is left. My setup is Kernel 2.6.21.3, all >> ALSA-software is updated to the latest version, that is 1.0.14(a). >> >> In a previous setup with an older ALSA version and kernel 2.6.16.11 >> recording did work with the same hardware. Now that I updated all ALSA >> software, even with that older kernel version the same recording problem >> came up. From that I concluded that it is somehow related to the >> ALSA-lib version. I have tried to downgrade ALSA-lib down to 1.0.0 to no >> avail. >> >> I have also made tests appropriate if this would be an interrupt problem >> (using pci=noroute et al) which also did not solve the problem. >> >> I have scrolled though the archives of alsa-user and there have been a >> few posts regarding the same problem (but with other chip sets). >> However, in those threads no definitive solution of the problem has been >> discussed. So I tried it again in alsa-user but did not get any feedback ... >> >> Now, I finally try this developer list. Your comments and help are much >> appreciated. Let me know if you need further info. I'm not a Linux >> system programmer or specialist, but I would be willing to do some >> debugging if somebody explains what to check. >> > > Most likely a mixer configuration. For example, it's now set up to > record from the SPDIF input or so. > You can check the detailed configuration from the generated file via > "alsactl -f somefile store". > > > Takashi > > -- ______________________________________________ *Dr. Rainer Menzner* Principal Engineer, R&D *L-1 Identity Solutions AG* /Protecting and Securing Personal Identities and Assets/ Universitätsstr. 160 44801 Bochum, Germany Telephone: +49-234-9787-41 Facsimile: +49-234-9787-77 Mobile: 0160 / 700 99 07 email: rmenzner@xxxxxxxx <mailto:rmenzner@xxxxxxxx> www.L1ID.com <http://www.l1id.com/> This message is only for the use of the intended recipient and may contain information that is CONFIDENTIAL and PROPRIETARY to L-1 Identity Solutions. If you are not the intended recipient, please erase all copies of the message and its attachments and notify the sender immediately. VORSTAND / EXECUTIVE BOARD Hartmuth von Maltzahn (Vors. / Chairman), Dr. Stefan Gehlen | AUFSICHTSRAT / SUPERVISORY BOARD James H. Moar (Vors. / Chairman) | GERICHTSSTAND / REGISTER COURT Amtsgericht Bochum, HRB 69 54 | UST-ID / VAT-REG.-NO. DE 813124378 _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx http://mailman.alsa-project.org/mailman/listinfo/alsa-devel
