Date: Sun, 13 Jul 1997 16:21:38 -0700 From: Amancio Hasty <hasty@rah.star-gate.com> To: Randall Hopper <rhh@ct.picker.com> Cc: multimedia@FreeBSD.ORG Subject: Re: guspnp9: /dev/dsp close() hangs Message-ID: <199707132321.QAA01133@rah.star-gate.com> In-Reply-To: Your message of "Sun, 13 Jul 1997 19:14:53 EDT." <19970713191453.21533@ct.picker.com>
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I will review dmabuf to see what is going on.
Tnks,
Amancio
>From The Desk Of Randall Hopper :
> Amancio Hasty:
> |I need a little more info.
> |
> |in dmabuf.c:dma_sync
> | while (!(out_sleep_flag[dev].aborting)
> | && audio_devs[dev]->dmap_out->qlen) {
> |
> | int flag, chn;
> | printf("dmabuf %d \n", audio_devs[dev]->dmap_out->qlen);
> |
> |Add the above printf and please send me the output of the last few
> |lines .
>
>
> Ok, here it is:
>
> > mpg123 things.mp2
>
> -----> APP STARTUP PRINTS:
> start sb_reset_dsp
> done RESET 1
> done tenmicrosec
> done RESET 0
> isa_dmastart: channel 5 busy
>
> -----> THEN WHEN I CTRL-C, I ALWAYS SEE THIS:
> dmabuf 2
> dmabuf 1
>
> -----> IF THE /dev/dsp close() DIDN'T HANG, THAT'S IT.
>
> -----> BUT IF THE close() HUNG, I SEE THIS LINE AGAIN AND AGAIN, PRINTI
NG
> -----> ONCE EVERY 10 SECONDS:
> dmabuf 1
>
> Randall
>
>
>
>
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