Locking fixes for dc(4): please test!

John Baldwin jhb at FreeBSD.org
Mon Aug 8 17:39:03 GMT 2005


On Sunday 07 August 2005 03:37 am, Thierry Herbelot wrote:
> Le Friday 5 August 2005 16:40, John Baldwin a écrit :
> > Ok.  Try changing the IS_MPSAFE at around line 348 flag from 0 to 1 and
> > see if it blows up then. :)  Thanks for testing.
>
> it does blow up with the following message
> (GENERIC -current on an SMP, non-ACPI BP6, with your patch and IS_MPSAFE=1)
>
> no kernel dump as the dump device is not yet defined (TBD through a loader
> tunable ?)

Ok, I forgot to remove an instance of DC_UNLOCK().  Thanks for the report.
I've updated the patch at www.freebsd.org/~jhb/patches/dc_locking.patch  Can 
you try it again?

-- 
John Baldwin <jhb at FreeBSD.org>  <><  http://www.FreeBSD.org/~jhb/
"Power Users Use the Power to Serve"  =  http://www.FreeBSD.org


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