DragonFly BSD
DragonFly bugs List (threaded) for 2005-04
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Re: DFly-stable as of April 1st crashed, but no crash dump was possible due to ips driver being unable to do crash dumps

From: Raphael Marmier <raphael@xxxxxxxxxxx>
Date: Sat, 02 Apr 2005 19:04:30 +0200

I am unable to get a crash dump through the ddb and typing panic and hitting enter twice. I end up in the same state as you discribe.

hint anyone?

This is with CURRENT of a few days ago.


Tomaž Borštnar wrote:

This morning I update Dfly-stable from end of October to April 1st version and already got one crash - due to some sort of panic (Panic-A something?). Unfortunately even though I have :

dumpdev="/dev/ipsd0s1b" # Device name to crashdump to (or NO).
dumpdir="/net/crash"    # Directory where crash dumps are to be stored

in both rc.conf and loader.conf machine was not able to do anything about it. It was stuck in "Syncing disks...". So no logs.

I can try to connect serial port to another machine and log everything there, but would need a bit of advice what to do to catch more info next time.

Also, would some watchdog thing help in this case to at least restart the machine if some userland program was not updating its timer? Or maybe this:

# Set the amount of time (in seconds) the system will wait before
# rebooting automatically when a kernel panic occurs.  If set to (-1),
# the system will wait indefinitely until a key is pressed on the
# console.
options         PANIC_REBOOT_WAIT_TIME=16

Thanks in advance.


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