On Sun, 29 May 2011, Alexander Motin wrote:
If I csup the most recent kernel sources, I get the same problem.
However, if, after csuping the latest kernel sources, I then fetch
the version of sys/dev/ata/ata-all.c as of April 27, everything
works fine. Here's the output of pciconf -l:
The only change in 8-STABLE ata-all.c since April 27 was the SVN rev 221155.
But I don't see how can it cause problems. I would really like to see full
_verbose_ demsg output to better understand what is going on there. If it
even panics, I need to see how exactly.
I agree that it makes little sense on the surface. I did follow Jeremy's
advice and enable AHCI in the BIOS. Even without loding the ACHI module
at boot, that still solved the problem. (I also did load AHCI and it
worked fine, which the DVD being recognized as a scsi/atapi-style cd0.)
I'll turn of AHCI again and try to get a serial port hooked up so that I
can do a boot -v and generate the panic (usually a little bit of disk
activity will cause a panic). I'll send that in a separate email to you
directly.
thanks,
michael
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