Sony FX601 freezing (with pcm compiled in)

Michael Bretterklieber <[email protected]>
Newsgroups gmane.os.freebsd.devel.mobile
Message-ID <[email protected]>
Hi,

I'm running FreeBSD 4.6 RELEASE on a Sony VAIO FX601 Notebook.
This notebook has a VIAKT133 Chipset, the soundchip is also a via82c686 one.

Every time I compile the pcm-driver into the kernel, the kernel hangs on 
startup after the parallel-port-probing and before the 
ata-device-attachement. If I remove the pcm-driver from the kernel 
everything works ok.

I also tried to load the sound-driver as klm, but the module then 
doesen't find the soundcard, but the kernel finds the sound-card if the 
pcm-driver is staticaly compiled in.

I will try to debug this, but I don't know how can I debug this, because 
the kernel doesen't panic, it simply hangs.
I compled DDB into the kernel and I can also go into the debugger at 
boot time by hidding CTRL-ALT-ESC, but I don't know what how I should 
start to debug,

bye,
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