/dev/speaker broken in 5.x? (fwd)

Ulrich Spoerlein uspoerlein at gmail.com
Mon May 1 18:02:35 UTC 2006

Ian Smith wrote:
> On Fri, 28 Apr 2006, Ulrich Spoerlein wrote:
> > % dmesg|egrep spea\|pcm
> > pcm0: <Intel ICH4 (82801DB)> port 0xb800-0xb8ff,0xbc40-0xbc7f mem 0xf4fff800-0xf4fff9ff,0xf4fff400-0xf4fff4ff irq 9 at device 31.5 on pci0
> > pcm0: <SigmaTel STAC9750/51 AC97 Codec>
> > speaker0: <PC speaker> port 0x61,0x63,0x65,0x67 on acpi0
> paqi# dmesg | grep "sbc\|speaker"
> sbc0: <ESS ES1869 (Compaq OEM)> at port 0x330-0x331,0x388-0x38b,0x220-0x22f irq 5 drq 5,1 on isa0
> pcm0: <ESS 18xx DSP> on sbc0
> speaker0: <PC speaker> at port 0x61 on isa0
> However I don't think the soundcard is relevant to /dev/speaker, which
> here is on ISA (using APM) while I see yours is on ACPI, which might be
> a clue.  OS version so far seems to matter more - are you running 6.x? 

Ah, yes. This is 6.1-PRE on a Dell Laptop, which also explains the
attachment via ACPI. The speaker is no ISA device, but handled by the
soundcard it self.

If I get to it, I will try this on my desktop tomorrow, it has an ISA
speaker (I guess ...)

Ulrich Spoerlein
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