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Old 02-06-2011, 12:07 PM
Pacho Ramos
 
Default About cups-1.4 stabilization

Hello

This is an old topic, in summary, I would like to try to get cups-1.4
stabilized in the near future:
http://bugs.gentoo.org/show_bug.cgi?id=333781

Looks like most of the problems are related with new usb backend:
http://bugs.gentoo.org/show_bug.cgi?id=285166
http://bugs.gentoo.org/show_bug.cgi?id=292543

Since printing team don't want to use debian patchset, have you think in
simply disabling that new usb backend? If I haven't misunderstood the
problem, disabling it would simply make cups-1.4 behave like 1.3.

What do you think?

Thanks
 
Old 02-06-2011, 05:56 PM
Christian Faulhammer
 
Default About cups-1.4 stabilization

Hi,

Pacho Ramos <pacho@gentoo.org>:
> Since printing team don't want to use debian patchset, have you think
> in simply disabling that new usb backend? If I haven't misunderstood
> the problem, disabling it would simply make cups-1.4 behave like 1.3.

We just postpone the problem, maybe 1.5 will only have the new one.
There is a news item in my todo file:

Title: Upgrade to CUPS 1.4
Author: Christian Faulhammer <fauli@gentoo.org>
Author: Timo Gurr <tgurr@gentoo.org>
Author: Gentoo Printing Team <printing@gentoo.org>
Content-Type: text/plain
Posted: 2010-09-13
Revision: 1
News-Item-Format: 1.0
Display-If-Installed: <net-print/cups-1.4

CUPS 1.4 is a major update in printing support and thus may cause
some
problems when coming from version 1.3. Most users should see a
smooth
update, although only net-print/gutenprint and net-print/hplip are
considered as supported drivers. If you happen to rely on other
drivers for your printer, you may have to research if problems occur.
Local USB printers are known to occasionally have issues, which can
be
resolved in most cases by the following steps:

1a. If you have usblp as a module (CONFIG_USB_PRINTER=m in your
kernel
configuration), you can blacklist the module
/etc/modprobe.d/blacklist.conf.
1b. Disable usblp in your kernel configuration by setting
CONFIG_USB_PRINTER=n. Don't forget to rebuild the kernel and reboot
with that new image.
2. Delete /etc/cups.
3. (Re-)install CUPS 1.4 with USE="usb".
4. Configure printer(s) from scratch via the CUPS web interface.
5. If your printer is a multifunction device, be sure you got the
udev rules
setting the device permissions in shape so CUPS can access the
device.

If you still have issues, you can revert to the old CUPS 1.3
behaviour
by setting USE="-usb" on net-print/cups.

V-Li

--
Christian Faulhammer, Gentoo Lisp project
<URL:http://www.gentoo.org/proj/en/lisp/>, #gentoo-lisp on FreeNode

<URL:http://gentoo.faulhammer.org/>
 

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