Hi! Hopefully, the following information is of some help. Takashi Iwai wrote:
to be sure, could you elaborate the symptom again and the detail ofkernel: 2.4.19-16mdkcustom, compiled with sound and without alsa. I compiled from the kernel source delivered with mandrake 9.0 and did not apply any patches.
your system (kernel version, applied patches, ALSA version)?
alsa: cvs snapshot 2002-12-09.tar.bz2 with your patch (that fixes the i/o port error in /var/log/messages) applied
system:
duron 850, 128 MB PC 133
NMC (the name changed to enmic, I think) board, KT-133 chipset with via686a.
Award bios 01/10/2001-8363-686A-6A6LMNM9C-00
yep. /proc/asound builds up immediately, lsmod shows snd, ... modules immediately after modprobingespecially, please check the following: - loading the module and unloading it immediately works?
- the port and irq number are correct, i.e. match with the resources listed on lspci?
info from /proc/asound/cards:
FM801-AS at 0xec00, irq 10
lspci output:
00:0b.0 Multimedia audio controller: Fortemedia, Inc Xwave QS3000A
[FM801] (rev a0)
Subsystem: Fortemedia, Inc: Unknown device 1319
Flags: bus master, medium devsel, latency 40, IRQ 10
I/O ports at ec00 [size=128]
(IRQ 10, I/O ec00 also shown by window?)
playback works. I even hear the correct sound when I plug in headphones :-)- playback (via aplay) works? does the system hang up at the start, during the playback or at the stop?
The system locks when stopping playback. (If only I had infinite audio files...)
- during the playback, does the count in /proc/interrupts increases?the count at '10' (I assume this is irq 10) increases during playback by approx. 10-15 per second.
(check with another terminal)
a typical reason of such a hang up is either the wrong spinlocks,I unselected ACPI before compiling the kernel. ACPI is switched off in the bios. (I have only APM running as power management)
unexpected infinite loops in the driver code, or the interrupt
storms. if it's the interrupt storm, then it can be related with the
hardware, often motherboard chipset, or BIOS version.
or, could it be because of ACPI? did you apply it?
ciao,Is there anything else I could do?
Takashi
cheers,
fe
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