Date: 17 Feb 1999 16:48:04 +0100 From: Vadim Belman <voland@plab.ku.dk> To: freebsd-stable@FreeBSD.ORG Subject: Re: Does pcm driver work correctly? Message-ID: <854solghfv.fsf@eagle.plab.ku.dk> In-Reply-To: Vadim Belman's message of "17 Feb 1999 12:38:41 %2B0100" References: <85n22dgszi.fsf@eagle.plab.ku.dk>
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Hi Vadim!
On 17 Feb 99 at 12:38, "Vadim" (Vadim Belman) wrote:
Vadim> Feb 17 11:23:52 eagle /kernel: sorry, read DMA channel unavailable
Vadim> Feb 17 11:23:52 eagle last message repeated 2 times Feb 17 11:27:10
Vadim> eagle /kernel: sorry, read DMA channel unavailable Feb 17 11:35:27
Vadim> eagle last message repeated 8 times Feb 17 11:44:16 eagle last
Vadim> message repeated 6 times Feb 17 11:56:55 eagle last message
Vadim> repeated 12 times Feb 17 12:06:16 eagle last message repeated 9
Vadim> times
Vadim> Neither DMA1 nor DMA5 are used somewhere else.
Vadim> I suppose this is a bug. But since I'm not sure I would
Vadim> rather ask first: are there any pit-holes? May be something has
Vadim> been done wrong?
It looks like I have some kind of conflict with IDE CDROM drive or
may be ATAPI doesn't work properly. Few additional facts: I was
playing MP3s from a CD with x11amp. After a bunch of DMA-related
messages the system had lost CDROM with a rather strange symptom:
the mount was still present but there was nothing in /cdrom (which
is my mount point for wcd0).
The controller was configured as (I removed the flags now):
controller wdc0 at isa? port "IO_WD1" bio irq 14 flags 0xa0ffa0ff
There is nothing but the CDROM drive connected to it. So, there is
only acd0 device described in config with ATAPI and ATAPI_STATIC
options. It is detected as:
Feb 17 01:26:25 eagle /kernel: wdc0: unit 0 (atapi): <TOSHIBA CD-ROM XM-6202B/1110>, removable, accel, ovlap, dma, iordis
Feb 17 01:26:25 eagle /kernel: acd0: drive speed 5512KB/sec, 256KB cache
Feb 17 01:26:25 eagle /kernel: acd0: supported read types
Feb 17 01:26:25 eagle /kernel: : CD-R, CD-RW, CD-DA
Feb 17 01:26:25 eagle /kernel: acd0: Audio: play, 255 volume levels
Feb 17 01:26:25 eagle /kernel: acd0: Mechanism: ejectable tray
Feb 17 01:26:25 eagle /kernel: acd0: Medium: no/blank disc inside, unlocked
--
/Voland Vadim Belman
E-mail: voland@plab.ku.dk
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