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Re: i4b on NetBSD 4.0.1/macppc hangs



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Hello,

On Mar 1, 2009, at 6:37 AM, Georg Schwarz wrote:

I've installed NetBSD 4.0.1 on a PowerMac 7300 with a G3 CPU and a PCI Fritz!Card 2.0. I also compiled the latest version of i4b (http://turbocat.net/~hselasky/isdn4bsd/index.html ). Now when I load the i4b module the machine hangs with the following debug message:

pci_intr_map: pin:1, line: 23


spinning in ext_intr! 00000200
lpic 0:
state:          00000000
enable:         0285f008
clear:          00000000
level:          00802800
level_mask:     3ff00000
cascade:        00000000
panic:          stuck interrupt
stopped in pid 1612 (modload) at        netbsd:cpu_Debugger+0x10:       lwz     
r
0, r1, 0x14



I hope I correctly copied that from the screen :-)

Can anyone figure out what is going wrong here?

Looks like the card's interrupt didn't clear. Either its firing more interrupts than the CPU can handle ( not too likely ) or the card's driver fails to clear it for some reason. Or the paranoia code is running amok but since it never did that before it's still likely triggered by the ISDN card or its driver.

have fun
Michael
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