Temporarily dead optical drive

eric© ericlists at gmail.com
Thu Sep 6 17:35:13 MST 2007


CD burning software will typically software lock a drive to prevent it
from being accidentally opened via the front panel button.  I've seen
cases in the past where the lock seems to stay applied even after exit
of the program, requiring a firmware reflash to unlock it.  Probably
all that occured here is K3B applying that lock, and not unlocking it
correctly, which the reboot did.

eric


On 9/6/07, David Munson <david.munson at gmail.com> wrote:
> I had this happen this past weekend while playing with a couple of
> livecds on a WinXP laptop. No idea why it happened, but I had to
> reboot using the power button (i'd exited the distro, and was trying
> to remove the cd so the laptop wouldn't boot from it again), then use
> the boot options menu to get into Windows, then have windows eject it.
>
> Two totally different distributions, not even based off the same main
> distribution, but same version of the kernel. Really weird.
>
> On 9/6/07, Dazed_75 <lthielster at gmail.com> wrote:
> > Toady I downloaded a .iso file and wanted to burn it to a CD.  I started K3B
> > as usual and while it was loading (takes a while from gnome), I got out a
> > blank CD and went to insert it in the drive.  I got no response to the open
> > button on the drive and tried a number of things (see below) before opening
> > my system log and finding:
> > > Sep  6 15:36:34 localhost kernel: [ 3049.264141] ata2.00: exception Emask
> > 0x0 SAct 0x0 SErr 0x0 action 0x2 frozen
> > > Sep  6 15:36:34 localhost kernel: [ 3049.264154] ata2.00: cmd
> > a0/01:00:00:00:00/00:00:00:00:00/a0 tag 0 cdb 0xac data 8
> > in
> > > Sep  6 15:36:34 localhost kernel: [ 3049.264156]          res
> > 40/00:03:00:00:20/00:00:00:00:00/a0 Emask 0x4 (timeout)
> > > Sep  6 15:36:34 localhost kernel: [ 3049.264188] ata2: soft resetting port
> > > Sep  6 15:36:34 localhost kernel: [ 3049.576073] ata2.00: revalidation
> > failed (errno=-2)
> > > Sep  6 15:36:34 localhost kernel: [ 3049.576081 ] ata2: failed to recover
> > some devices, retrying in 5 secs
> > > Sep  6 15:36:39 localhost kernel: [ 3054.577527] ata2: soft resetting port
> > > Sep  6 15:36:40 localhost kernel: [ 3054.889468] ata2.00: revalidation
> > failed (errno=-2)
> > > Sep  6 15:36:40 localhost kernel: [ 3054.889477] ata2: failed to recover
> > some devices, retrying in 5 secs
> > > Sep  6 15:36:45 localhost kernel: [ 3059.890912] ata2: soft resetting port
> > > Sep  6 15:36:45 localhost kernel: [ 3060.202866] ata2.00: revalidation
> > failed (errno=-2)
> > > Sep  6 15:36:45 localhost kernel: [ 3060.202876] ata2.00: disabled
> > > Sep  6 15:36:46 localhost kernel: [ 3060.706515] ata2: EH complete
> >
> > Just for grins I rebooted the system and then everything was fine.  Anyone
> > have a clue what actually went wrong here?  I mean maybe it had to do with
> > me trying to open the drive at the wrong time during K3b startup (as I often
> > do).  I just do not know.
> >
> > BTW, the other things I tried included more open drawer button presses and
> > using the $30 tool (a paper clip) to open the drawer, close it, open it,
> > inserted a blank, closed the drawer and when the system never saw the CD and
> > the drawer open drawer never did work  I realize this makes sense if the
> > kernel had disabled the drive but wanted to describe them in case anyone
> > wanted to suggest trying such things
> >
> >
> > --
> > The nice part about being a pessimist is that you are constantly being
> > either proven right or pleasantly surprised.
> >   - George F. Will
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