On Fri, 26 Mar 2004, Yitao Duan wrote:
> Hi,
>
> I am having trouble recording using Creative Labs Sound Blaster Audigy 2
> NX. The linux rec program worked fine. But whenever I use arecord (e.g.
> arecord test.wav), I got Segmentation fault. I pinpointed the problem to
> the function pcm_read in aplay.c. Specifically it was the line:
>
> r = readi_func(handle, data, count);
>
> that caused the fault. readi_func was called 3 times without problem.
> But the 4th call will cause the fault. gdb showed that a NULL pointer
> was encountered in function snd_pcm_rate_grab_next_period: rate->slave
> was NULL. The following is a stack trace when the fault happened.
> However, rate->slave was not NULL during the 3 normal readi_func calls
> and I checked that the handle passed to readi_func was always the same.
> What could happen that made the pointer NULL for the 4th call? I am
> running 2.4.21-4.EL kernel and gcc 3.2.3. Any information will be highly
> appreciated.
Try alsa-lib-1.0.4rc1.
Jaroslav
-----
Jaroslav Kysela <[EMAIL PROTECTED]>
Linux Kernel Sound Maintainer
ALSA Project, SuSE Labs
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