(6.0) Suspend kills usb CDRW drive :(

Fabian Keil freebsd-listen at fabiankeil.de
Thu Nov 10 18:59:58 GMT 2005

Bill Schoolcraft <bill at wiliweld.com> wrote:

> I have 6.0-REL running fine on my T21 Thinkpad and have a USB
> (Memorex) CD+RW drive hooked up to it.
> Now for the USB CD+RW, dmesg saw it as /dev/cd0 so I read a
> little and edited /etc/devfs.conf to show /dev/cd0 and it was at
> that point, after rebooting, that I was able to start burning.
> It works fine, "cdrecord -scanbus" sees it as "0,0,0" and I can
> burn CD's just fine.
> That is, until I suspend the laptop by closing the screen 
> (shutting the hood :)
> Upon opening the lid it's never been news to me on my 4.10
> laptop to have to bring the network device back to life by:
>  	ifconfig fxp0 up
> Ok, with that information, how can I bring the USB /dev/cd0 back
> from the dead?
> No longer does "cdrecord -scanbus" show the device like it does
> after a fresh reboot.

Try: camcontrol rescan all

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