Hey,

zoltan herman wrote:

> when the DVD disc is included in the reader
> during the boot process, then the movie player can not play the DVD(not
> mounted).
> ->
> Oct  3 22:50:51 fmtest kernel: [    0.000000] Linux version 2.6.32-5-amd64
> (Debian 2.6.32-23) (da...@debian.org) (gcc version 4.3.5 (Debian 4.3.5-3) ) #1

There's some funny line wrapping going on here.  Next time, please attach the
log. :)

[...]
>  sr 3:0:0:0: [sr1] Unhandled error code
>  sr 3:0:0:0: [sr1] Result: hostbyte=DID_ERROR driverbyte=DRIVER_OK
[...]
> disk not included on boot -> ok

Got it.

[...]
> I tested with 2.6.36-rc6-1-amd64 experimental kernel and work fine.
[...]
> Unfortunetly after the third restart even the experimental kernel didn't
> work.

Ah, heisenbugs...

> ok, works fine
>
> Linux version 2.6.32-5-686 (Debian 2.6.32-23) (da...@debian.org) (gcc

Very weird.  Am I understanding correctly?

 1. To reproduce the bug, plug the DVD player into the USB/SATA adaptor,
    which is connected to the PCI card with extra USB slots, which is
    connected to the motherboard.  The BIOS is not able to boot from
    such disks.

    The problem only occurs if the disc is in the DVD player at boot
    time.

 2. It happens reliably with linux-image-2.6.32-5-amd64 2.6.32-23.

 3. It happens sometimes, but not always, with
    linux-image-2.6.36-rc6-1-amd64 2.6.36~rc6-1~experimental.1.

 4. It reliably does not happen with linux-image-2.6.32-5-686
    2.6.32-23.

Is that right?  What happens with current squeeze and sid kernels?

Hope that helps,
Jonathan



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