I recently bought a cmpci pci card with support for 6 channel surround
sound. Vendor was PPA Int'l.
I can play music for shorter or longer time period but then it invariably
locks up. If one tries the surround sound then it locks up very fast.
Guess some concurrency issue? Run on a P4M800PROC Motherbord with
a Pentium940 (verified that lockup also occurs with single processor).
Tried to enable the nmi_watchdog but it also could not revive linux.
How do I debug this thing?
christoph@pentium940:/proc/asound$ cat cards
0 [CMI8738MC6 ]: CMI8738-MC6 - C-Media PCI CMI8738-MC6
C-Media PCI CMI8738-MC6 (model 55) at 0xe800, irq 201
christoph@pentium940:/proc/asound/card0$ cat cmipci
C-Media PCI CMI8738-MC6 (model 55) at 0xe800, irq 201
00: 02 00 00 00
04: 10 0c 00 00
08: 03 00 09 00
0c: 00 00 00 0a
10: c0 00 00 00
14: 00 00 00 00
18: 00 00 80 0c
1c: 00 00 fe ff
20: 10 40 08 00
24: 00 01 00 04
28: ff ff ff ff
2c: ff ff ff ff
30: 00 00 00 00
34: 00 00 00 00
38: 00 00 00 00
3c: 00 00 00 00
christoph@pentium940:/proc/asound/card0$ cat id
CMI8738MC6
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