DragonFly kernel List (threaded) for 2010-05
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?
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
Here is the complete dmesg from the last crash