Kernel Panic: bad isr 0
Matthew Dillon
dillon at apollo.backplane.com
Sat Nov 22 16:30:48 PST 2003
:panic: bad isr 0
:Debugger("panic")
:Stopped at Debugger+0x34: movb $0,in_Debugger.339
:
:Debugger trace reports: (as best as I can see by my craning my neck around
:and reading from the monitor behind me)
:
:Debugger(c03c4d58,c0166ffb,c02b384d,c02eee78,c02e6a6c) at Debugger+0x34
:dumpmag(73252228,a2922,0,0,0) at dumpmag+0x1b9
:
:Thanks in advance ;)
:
:-TFox-
hmm. The backtrace isn't good. There are three places where this
panic can occur. I just committed a change to net/netisr.c that
does not fix the problem but does clarify which of those three
places is generating the panic.
See if you can get a better trace by trying different stack pointers
(starting the reported stack pointer and incrementing by 4, in hex),
e.g.
trace 0xblahblah where 0xblahblah starts at the reported stack pointer
value.
Also be sure that you are not looking at a double fault. Is the above
panic the initial panic message or did it occur due to another earlier
panic?
-Matt
Matthew Dillon
<dillon at xxxxxxxxxxxxx>
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