[ltp] T23/debian/2.6.10 CD/DVD hard hang after sleep

[Alex Iliev]

On Tue, Mar 15, 2005 at 12:20:41PM -0500, Alex Iliev wrote:
> Hello,
> 
> had the misfortune of trying to read a CD after waking up. The disc spins up
> and kind of starts going, and then a few seconds later the machine hangs
> hard, reboot needed, no response even to SysRq. It works fine before sleep.
> I have the standard "hdc: DW-28E, ATAPI CD/DVD-ROM drive", without any
> ide_scsi. I did try to unload modules cdrom and ide_cd before sleep, but it
> didn't help.

Well, doing an
hdparm -w /dev/hdc
after waking up appears to solve the problem. This does a reset of the
device.

Alex