Date: Tue, 30 May 2000 10:14:10 -0400 From: John Brann <john@brann.org> To: freebsd-stable@freebsd.org Subject: pcm sound river behaviour Message-ID: <20000530101410.A1441@freebie.brann.org>
next in thread | raw e-mail | index | archive | help
Hi All,
I'm experiencing some unwanted 'features' from the pcm sound driver.
Both of these are new in 4.0-STABLE. I previously ran a variety of 3.X and
4.0-CURRENT kernels under which sound worked well with the pcm driver.
1: Playing .au files by 'cat foo.au > /dev/audio0' loses part of the
beginning of the sound. Any .au file less than 1048 bytes produces
only silence.
[Note, I do not believe there is necessarily anything magic about
1048. It happens to be the size of the smallest .au file I have which
makes any sound. The largest silent .au file is 1039 bytes]
Larger files produce a period of silence, followed by two clicks,
followed by the appropriate sound, followed by another click. I
believe the sound produced has lost a leading amount of about one
second.
2: The sound card does not accept audio signal from an external device
connected to the line-in socket.
Machine is a dual P-Pro 200 with on-board sound.
Kernel is yesterdays 4.0-STABLE:
FreeBSD 4.0-STABLE #2: Mon May 29 14:03:57 EDT 2000
Kernel config entry for pcm is:
device pcm
dmesg shows:
pcm0: <CS423x> at port 0x534-0x537,0x388-0x38b,0x220-0x22f irq 5 drq 1,0 on isa0
unknown0: <GAME> at port 0x200-0x207 on isa0
unknown1: <CTRL> at port 0x120-0x127 on isa0
unknown2: <MPU> at port 0x300-0x301 irq 11 on isa0
No other device claims irq 5 (or 11)
Any ideas?
John
--
Unreal City,
Under the brown fog of a winter dawn,
finger john@doorman.brann.org for pgp public key
To Unsubscribe: send mail to majordomo@FreeBSD.org
with "unsubscribe freebsd-stable" in the body of the message
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20000530101410.A1441>