Re: Kernel Dump when accessing second drive
On 05/23/2010 09:26 AM, Matthew Dillon wrote:
> :It still crashed, but I'm not sure it is taking the command.
> :
> :# natacontrol mode ad6 PIO4
> :current mode = SATA150
> :
> :Is that correct for it to still report SATA150?
> :
> :Thanks,
> :Dylan
>
> The UDMA/PIO stuff might not be adjustable if its a SATA controller
> emulating an IDE controller.
>
> I think what is happening here is the NATA driver is detaching the
> drive and destroying the related dev structures before it finishes
> cleaning out any pending I/O's, so then when it tries to ad_done()
> the request it winds up blowing through dead structures.
>
> There must be some error messages reported in the console output
> that we haven't seen yet. You can try:
>
> dmesg -N kern.0 -M vmcore.0
>
> And see if any other messages above the 'ad6: FAILURE' message are
> present.
>
> -Matt
> Matthew Dillon
> <dillon@backplane.com>
>
>
Here is the complete dmesg from the last crash
http://leaf.dragonflybsd.org/~dylan/dmesg.18.txt
Thanks,
Dylan
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