Re: 2.6.3-bk9 QA testing: firewire good, USB printing dead

[Jens Axboe <axboe@suse.de>]

On Fri, Feb 27 2004, Greg KH wrote:
> On Fri, Feb 27, 2004 at 07:01:22PM -0700, Daniel Robbins wrote:
> > However, 2.6.3-bk9's USB printing support appears to be dead. I can't
> > get it to work reliably. Tested on Epson Stylus Photo 960 and a Brother
> > Laser printer. catting files to /dev/usb/lp? tends to fail (process will
> > get "stuck") and printer data stops flowing. This is on an Athlon XP
> > (NForce2) system using the on-board USB. The official 2.6.3 release
> > works fine. I'd expect these USB printing death symptoms to be easily
> > reproducable on quite a few systems -- the problems hit me in the first
> > few seconds of print testing. If they end up being more elusive, I can
> > try to dig up more info for anyone who's interested in trying to isolate
> > the problem.
> 
> Yes, I am.  Do you get any error messages in your syslog when the
> printer hangs?

FWIW, saw the same thing here today. 2.6.2-mm1 was the previous kernel
and it worked, 2.6.3-mm4 gives me a bunch of:

kernel: drivers/usb/class/usblp.c: usblp0: off-line
kernel: drivers/usb/class/usblp.c: usblp0: ok
kernel: drivers/usb/class/usblp.c: usblp0: off-line
kernel: drivers/usb/class/usblp.c: usblp0: ok
kernel: drivers/usb/class/usblp.c: usblp0: off-line
kernel: drivers/usb/class/usblp.c: usblp0: ok
kernel: drivers/usb/class/usblp.c: usblp0: off-line
kernel: drivers/usb/class/usblp.c: usblp0: ok
kernel: drivers/usb/class/usblp.c: usblp0: off-line
kernel: drivers/usb/class/usblp.c: usblp0: ok

No usb 2.x at all on this box.

-- 
Jens Axboe