Missing Hardware

[Robin Laing]

Gene Poole wrote:
>   I'm running Fedora 9 on a custom AMD Phenom Quad-Core with 8GB RAM 
> installed, 2-SATA hard drives (Seagate 500GB and Seagate 1TB); HP DVD/CD 
> RW Dual Layer with Lightscribe.
> Lo and behold, I've updated my running (this machine) from kernel 
> 2.6.25-14 to kernel 2.6.27.19-78.2.30 (?) and have experienced the 
> following:
> 
> 1. My dual-layer DVD/RW and CD/RW drive has disappeared (it was /dev/sr0)
> 
> The only messages I see that appear to be of concern are:
> 
> [root at jpdsys3 log]# cat messages | grep -i reset | more
> Mar 22 14:46:30 jpdsys3 kernel: ata1: softreset failed (device not ready)
> Mar 22 14:46:30 jpdsys3 kernel: ata2: softreset failed (device not ready)
> Mar 22 14:53:55 jpdsys3 kernel: ata1: softreset failed (device not ready)
> Mar 22 14:53:55 jpdsys3 kernel: ata2: softreset failed (device not ready)
> 
> All of the devices are SATA except the DVD drive.
> 
> How can I get /dev/sr0 back?
> 
> TIA,
> Gene
> 

Does the drive showup in the BIOS?  Is your powersupply supplying the 
correct voltages?

I have seen issues with low powersupply voltages.

--
Robin Laing