Re: Sun Oracle Netra T5220: a DVD drive problem

FYI: the power distribution board (PDB) with the SATA interface turned 
out to be faulty.  With a PDB replaced, the problem is gone.

On 8/6/24 22:43, Irek Szcześniak wrote:

> Hi,
> 
> I have a Sun Oracle Netra T5220.  The installation of OpenBSD 7.5 went
> flawless, and the system is also running fine.  However, I wasn't able
> to boot from the built-in DVD drive, so I had to use a standalone DVD
> drive over USB (plugged to two USB ports for more power) to install
> the system.  And that faulty built-in DVD drive bugs me.
> 
> The ILOM reports:
> 
> -> show /SYS/DVD type
> 
>    /SYS/DVD
>      Properties:
>        type = DVD
> 
> ILOM faultmgmt shell reports no faults.
> 
> Before OpenBoot starts, I can see a POST message:
> 
> WARNING: /pci@0/pci@0/pci@1/pci@0/pci@1/pci@0/usb@0,2: Disabling
> active unresponsive USB device on port 1
> 
> The OpenBoot does not see a DVD disk:
> 
> {0} ok show-disks
> a) /pci@0/pci@0/pci@2/scsi@0/disk
> b) /iscsi-hba/disk
> 
> But OpenBoot has an alias:
> 
> ok devalias
> 
> cdrom 
> /pci@0/pci@0/pci@1/pci@0/pci@1/pci@0/usb@0,2/device@2/storage@0/disk@0:f
> 
> OpenBSD reports in dmesg something that might be related:
> 
> uhub0: device problem, disabling port 2
> 
> In the ILOM log I can see an old message that might be unrelated:
> 
> ERROR: Can't determine disk backplane device type. DVD/CDROM devalias
> using PATA device path.
> 
> I would appreciate it if someone could help me out in diagnosing the
> problem and getting the drive to work.
> 
> 
> Thanks,
> Irek