<font size=2 face="sans-serif">Initial Message:</font>
<br>
<br><font size=2 face="sans-serif"> 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</font>
<br><font size=2 face="sans-serif"> Lightscribe.</font>
<br><font size=2 face="sans-serif"> 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:</font>
<br>
<br><font size=2 face="sans-serif"> 1.
My dual-layer DVD/RW and CD/RW drive has disappeared (it was /dev/sr0)</font>
<br><font size=2 face="sans-serif">
The only messages I see that appear to be of concern are:</font>
<br>
<br><font size=2 face="sans-serif"> [root@jpdsys3
log]# cat messages | grep -i reset | more</font>
<br><font size=2 face="sans-serif"> Mar
22 14:46:30 jpdsys3 kernel: ata1: softreset failed (device not ready)</font>
<br><font size=2 face="sans-serif"> Mar
22 14:46:30 jpdsys3 kernel: ata2: softreset failed (device not ready)</font>
<br><font size=2 face="sans-serif"> Mar
22 14:53:55 jpdsys3 kernel: ata1: softreset failed (device not ready)</font>
<br><font size=2 face="sans-serif"> Mar
22 14:53:55 jpdsys3 kernel: ata2: softreset failed (device not ready)</font>
<br>
<br><font size=2 face="sans-serif"> All
of the devices are SATA except the DVD drive.</font>
<br>
<br>
<br>
<br><font size=2 face="sans-serif">Alan Cox Suggestion:</font>
<br>
<br>
<br><font size=2 face="sans-serif"> First thing - boot
the old kernel (hit a key during grub and select the</font>
<br><font size=2 face="sans-serif"> old one it kept)
and make sure it still appears there, then boot the new</font>
<br><font size=2 face="sans-serif"> kernel again so
you are sure it is reproducible and depends on the kernel</font>
<br><font size=2 face="sans-serif"> which I suspect
will be the case.</font>
<br>
<br><font size=2 face="sans-serif"> </font>
<br><font size=2 face="sans-serif">Results:</font>
<br>
<br><font size=2 face="sans-serif"> During the boot
(I've got the inittab set to 3) I noticed that the message 'Starting udev'
took much longer.</font>
<br><font size=2 face="sans-serif"> After the reboot
and log on as root, I entered:</font>
<br>
<br><font size=2 face="sans-serif"> ls
-ltr /dev/sr0</font>
<br><font size=2 face="sans-serif"> brw-rw----
1 root disk 11, 0 2009-03-24 21:20
/dev/sr0</font>
<br><font size=2 face="sans-serif"> mount
/dev/sr0 /media/dvdrw</font>
<br><font size=2 face="sans-serif"> --message
stating that the media was mounted as read only--</font>
<br>
<br>
<br><font size=2 face="sans-serif">I'm now back to my original question,
How can I get /dev/sr0 back using my updated kernel?</font>
<br>
<br><font size=2 face="sans-serif">TIA,</font>
<br><font size=2 face="sans-serif">Gene</font>