Re: Debugger break on busy system
On Fri, 2003-01-03 at 00:32, Michael D. Crawford wrote:
> Sometimes when my 8500 is particularly busy with SCSI disk I/O in some ext2
> filesystems, the system drops into the kmon debugger.
>
> I'm afraid I don't know where it breaks because I don't have a debug build and
> I'm not yet very hip to how to use kmon.
xmon you mean ?
Tell me what xmon says, that would be a good first step (what cause of
entry). Also, copy the values for NIP (PC), LR, and backtrace (obtain
this with the "t" command) and send me those values along with the
System.map of the kernel you are running.
> This is with 2.4.19 plus the powerpc patch. I've had this problem for several
> kernel versions.
>
> It doesn't appear to be an actual crash because I can type "x" to exit the
> debugger and things carry on as normal. I don't need to reboot.
>
> My 8500 has a 350 Mhz PowerLogix G4 CPU upgrade. The disk that's getting all
> the I/O is on an Adaptec 29160 host bus adapter. There is I think 164 MB of
> ram in the box.
>
> Mike
> --
> Michael D. Crawford
> GoingWare Inc. - Expert Software Development and Consulting
> http://www.goingware.com/
> crawford@goingware.com
>
> Tilting at Windmills for a Better Tomorrow.
--
Benjamin Herrenschmidt <benh@kernel.crashing.org>
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