Re: snd_pcm_close hangs

[Takashi Iwai <tiwai@suse.de>]

At Thu, 30 May 2002 17:14:03 +0200 (CEST),
Tim Goetze wrote:
> 
> hi all,
> 
> both emu8k and ice1712 pcm drivers hang forever in ioctl(2) when
> closing a playback stream if the stream has been linked to the 
> same card's capture, has been prepared and written data to, but was
> never started:
> 
> Program received signal SIGINT, Interrupt.
> 0x403b8fa4 in ioctl () from /lib/libc.so.6
> (gdb) bt
> #0  0x403b8fa4 in ioctl () from /lib/libc.so.6
> #1  0x40580abc in __DTOR_END__ () from /usr/lib/libasound.so.2
> #2  0x4053bde9 in snd_pcm_drain (pcm=0x81c6ae8) at pcm.c:813
> #3  0x4053b649 in snd_pcm_close (pcm=0x81c6ae8) at pcm.c:552
> #4  0x40462d79 in AlsaStream::~AlsaStream (this=0x81bf6a8,
> __in_chrg=0)
>     at AlsaStream.cc:41
> #5  0x4049ef01 in AlsaOut::~AlsaOut (this=0x81bf6a8, __in_chrg=3)
>     at PyType.h:110

it seems stalling at drain ioctl.  can you figure out which stream is?


Takashi

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