Re: USB Printer?

On Mon, Aug 18, 2003 at 01:02:51PM +0200, Daniel Nielsen wrote:
> Hi.
> 
> I installed 5.1-RELEASE on a compuiter with a nforce2 mobo, worked
> nice... Then I bought a Brother-5050 Laser printer
> (Postscript). Installed and configured cups. cups worked fine. Then I
> realized, the printer only works if it is turned on before my freebsd
> boots. 
> 
> When I power it up, it is detected by the freebsd usb-system:
> 
> zits root # dmesg | grep ulpt
> ulpt0: Brother HL-5050, rev 2.00/1.00, addr 3, iclass 7/1
> ulpt0: using bi-directional mode
> zits root #
> 
> And when I turn it off:
> zits root # dmesg | grep ulpt
> <snip>
> ulpt0: at uhub0 port 2 (addr 3) disconnected
> ulpt0: detached
> zits root #
> 
> but when I send a job to the printer, the CUPS usb backend just
> hangs, locking /dev/ulpt0
> 
> I tried cat /root/some-file > /dev/ulpt0 , and it also just hangs. 

/dev/ulpt0 shouldn't exist after ulpt0 was detached.

> If the printer enters standby after boot, then it also doesn't print,
> with the same symptoms.
> 
> I then tried upgrading to -CURRENT (about a week ago), but it still
> doesn't work. It works perfectly from Knoppix 3.2 and winXP, so I'm
> pretty sure it is a freeBSD usb problem. I should also mention, that
> I'm using a USB mouse, and it works fine even disconnecting and
> reconnecting after boot.

That something work with another OS doesn't say anything about that it's
an OS problem.
It could also mean that the other OS has a workaround for a broken
device.

-- 
B.Walter                   BWCT                http://www.bwct.de
ticso_at_bwct.de                                  info_at_bwct.de