OS bug in taskq

Elliot Finley efinleywork at efinley.com
Sat Dec 15 18:45:07 PST 2007

On Sat, 15 Dec 2007 15:58:10 -0800, you wrote:

>On Sat, Dec 15, 2007 at 01:03:14PM -0700, Elliot Finley wrote:
>> I have:
>> dumpdev="AUTO"
>> in /etc/rc.conf and:
>> ... 
>> in the kernel and I'm still unable to obtain a crash dump.  Hopefully
>> there is enough info in this email for a hacker to point me in the
>> right direction to debug this.
>I can't help with the panic itself, but the reason for the inability to
>obtain a crash dump is mentioned in a thread I started in November:
>The explanation of the problem was documented best by Doug Barton in
>this thread (over at freebsd-rc@):

In this thread it states:

Short term fix is to disable swapping on the system long enough to get
the dump, then reboot with swapping turned back on.

how do I turn swapping off?  I don't think I can just not mount it,
because then it wouldn't exist for the dump.

>Open PR:

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