Panic with CD use
Pav Lucistnik
pav at FreeBSD.org
Mon Dec 22 15:35:26 PST 2003
V út, 23. 12. 2003 v 00:10, Doug White píše:
> > This is a 'me too' report for the problems that have been reported on
> > this list over the last few weeks with problems ripping CDs and/or
> > mounting CDs. I have not attached a panic report as it is essentially
> > the same as those already reported (a page fault in
> > devstat_remove_entry), but I can if requested.
>
> I can reproduce this. It appears to be geom doing something goofy. The
> cdparanoia command causes geom to "taste" the audio CD and sets up the
> devices as such. For the mount, though, you are probably doing
>
> mount -t cd9660 /dev/acd0 /mnt
>
> When you do this, geom does a re-taste of the disc and somewhere between
> removing the old devices and instantiating the new, something ends up
> zeroed and devstat trips over it.
>
> Whats worse, there is no workaround; putting an audio CD in your -current
> box makes it impossible to use any other CD until you reboot. Grrr.
There is a workaround, sortof. If you have CD drive alone
on ATA channel 1, do
atacontrol detach 1
atacontrol attach 1
Voila, works :)
--
Pav Lucistnik <pav at oook.cz>
<pav at FreeBSD.org>
On second thought, let's not go to Camelot. It is a silly place.
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