DFly-stable as of April 1st crashed, but no crash dump was possible due to ips driver being unable to do crash dumps
dillon at apollo.backplane.com
Sun Apr 3 11:48:58 PDT 2005
:> :What happens is that I get "syncing disks ... " Then every 5-10 seconds
:> :a "CHKTOKEN loop 0" message, forever.
:> You should only need to 'sysctl kern.sync_on_panic=0' for it to be
:> able to get past the syncing disks code.
:Ack, but what I meant is that syncing actually _works_ with the direct
:panic() call in syscons.c in place of Debugger(). And I get the dump.
:So it looks like there is an issue with DBB and syncing, as syncing
:fails when use together with DDB. Isn't it?
:This is without using the serial console.
There are a bunch of issues with syncing, the main one being that
it is usually just too dangerous to try to sync the buffers from a
panic or debugger state. I think FreeBSD no longer syncs its buffers
on a panic and we probably should stop doing it too.
<dillon at xxxxxxxxxxxxx>
More information about the Bugs