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b.n. ha scritto: |
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> Hi, |
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> I have an odd problem with audio recording. |
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> |
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> When I plug my guitar to the line in/mic in, it plays. I can hear the |
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> sound fine. So the input device seems to work correctly. |
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> |
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> But when I try to *record*, no matter the application (audacity, rezound, |
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> arecord) the application freezes and no output file is made. arecord |
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> actually spits out a 44-byte header, and nothing else. |
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> |
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> strace-ing the application clearly shows that the app just freezes. |
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> |
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> Relevant things I changed after last time it worked correctly may be: |
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> - the kernel (from 2.6.16 to 2.6.18-r6) |
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> - alsa-lib (from 1.0.11 to 1.0.14) |
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> |
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> alsa drivers are compiled in the kernel. I run x86, stable, gcc 4.1.1. |
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> |
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> The audio card is: (lspci output): Multimedia audio controller: Silicon |
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> Integrated Systems [SiS] AC'97 Sound Controller (rev a0) |
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|
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Update: |
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- When I tell audacity to use ALSA directly instead of OSS emulation, it |
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doesn't hang anymore. But the cursor doesn't start. |
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- When I also tell audacity to use software playthrough, it seems to |
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start recording. But it records only silence. |
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|
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In every case, arecord still hangs at the header of 44 bytes. |
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|
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Any hint? |
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|
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m. |
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-- |
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