Date: Sun, 13 Jul 1997 21:06:53 -0700 From: Amancio Hasty <hasty@rah.star-gate.com> To: oliver.fromme@heim3.tu-clausthal.de (Oliver Fromme) Cc: Randall Hopper <rhh@ct.picker.com>, multimedia@FreeBSD.ORG Subject: Re: guspnp9: /dev/dsp close() hangs Message-ID: <199707140406.VAA01095@rah.star-gate.com> In-Reply-To: Your message of "Mon, 14 Jul 1997 04:14:29 %2B0200." <199707140214.EAA16083@elch.heim4.tu-clausthal.de>
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Hi guys, In sb_dsp_close: Move down sb_free_irq to after dsp_cleanup. /* DMAbuf_close_dma (dev); */ /* sb_dsp_command (0xd4); */ dsp_cleanup(); sb_free_irq(); sb16dsp.c:sb16_dsp_close has the same problem. See if that fixes the sb cards hanging during a close. Tnks, Amancio >From The Desk Of Oliver Fromme : > > Maybe this information could be useful in some way... > > Randall Hopper wrote: > > [...] > > > 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, PRI NTING > > -----> ONCE EVERY 10 SECONDS: > > dmabuf 1 > > Using the soundrivers of 2.2.2 (Vox 2.9, I think) with an > AWE32, I also experience hangs sometimes when /dev/dsp is > closed, BUT only for about 10 seconds. It never blocks > forever (maybe it checks for a timeout). > > To be honest, I first suspected a bug in mpg123, but I've > looked at the respective parts of the code for days, and > I haven't been able to spot a bug... > > Regards > Oliver > > PS: I just released mpg123 0.59k, see http://mpg.123.org/ > Doesn't fix the block-on-close problem though, of course. > > PPS: In case you didn't notice, I'm not that much familiar > with all that sound driver stuff. I assume it's not possible > to install those newer "guspnp" drivers in 2.2.2, is it? > Stability is an absolute requirement for me, so I don't want > to install 3.0-current. > > -- > Oliver Fromme, Leibnizstr. 18-61, 38678 Clausthal, Germany > (Info: finger userinfo:olli@dorifer.heim3.tu-clausthal.de)
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