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Re: kdp screwup ?

Seems weird but I had not exactly the same problem, but I was encountering
random errors like your's. I changed my hub to a better one and plugged both
machine in the same hub. since, no more errors except when my target machine
dies really hard.

Francis

On 13/03/2002 21:31, "Brian Bergstrand" <email@hidden> wrote:

> I put a break point in my kext with PE_enter_debugger(). It is the
> first line in a my fs mount callback. The debugger breaks into this
> fine, but as soon as I do a backtrace or try to step back into the
> function, the kernel panics when kdp tries to resolve an address in
> the argument list to the mount call and everything dies.
>
> Here is a gdb session:
>
> Program received signal SIGTRAP, Trace/breakpoint trap.
> 0x00081214 in Debugger ()
> (gdb) bt 5
> #0 0x00081214 in Debugger ()
> #1 0x001fb62c in PE_enter_debugger ()
> kdp_reply_wait: error from kdp_receive: receive timeout exceeded
> kdp_transaction (kdp_xfer_memory): transation timed out
> kdp_transaction (kdp_xfer_memory): re-sending transaction
> ^Ckdp_reply_wait: error from kdp_receive: RR_RECV_INTR
> ...
> ^Ckdp_reply_wait: error from kdp_receive: RR_RECV_INTR
> #2 0x1e79c7dc in my_mount (mp=0x28b5520, path=0x206c "",
> data=0xbffff9ac <Error reading address 0xbffff9ac: Interrupted system
> call>, ndp=Error accessing memory address 0x1811bd94: Interrupted
> system call.
> ) at dd/vfs/ncp_vfsops.c:116
> ^Ckdp_reply_wait: error from kdp_receive: RR_RECV_INTR
> ^Ckdp_reply_wait: error from kdp_receive: RR_RECV_INTR
> Error accessing memory address 0x1811bcd0: Interrupted system call.
>
> The data arg is the address of structure on the stack in my userland
> mount program.
>
> Anyone know what is going on here? I'm not even getting to my first
> copyin call to copy the 'data' arg..
>
> TIA.
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References: 
 >kdp screwup ? (From: Brian Bergstrand <email@hidden>)



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