This bug was fixed in the package system-config-printer -
1.4.3+20140219-0ubuntu2.6
---------------
system-config-printer (1.4.3+20140219-0ubuntu2.6) trusty-proposed;
urgency=medium
*
debian/patches/43_fix-driver-package-installation-with-install-printerdriver.patch:
Simplified communication between system-config-printer and
install-printerdriver helper script (LP: #1412722).
* debian/patches/45_do-not-crash-on-licensetext-being-none.patch: Crash
guard for displaying OpenPrinting driver record where the licensetext
field is None (LP: #1412729).
* debian/patches/47_support-licensetext-in-separate-url.patch: Added support
for OpenPrinting driver records with license text linked from separate
download URL (LP: #1412729).
* debian/patches/50_fix-crash-in-nextnptab-if-driver-is-zero.patch: Trivial
patch to avoid crashes when installing downloadable printer driver
packages via OpenPrinting. These crashes were observed via the Ubuntu
error reporting system.
-- Till Kamppeter <till.kamppe...@gmail.com> Tue, 20 Jan 2015 14:59:59 +0100
** Changed in: system-config-printer (Ubuntu Trusty)
Status: Fix Committed => Fix Released
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https://bugs.launchpad.net/bugs/1412722
Title:
system-config-printer hangs or crashes when downloading Gutenprint
driver package from OpenPrinting
Status in system-config-printer package in Ubuntu:
Fix Released
Status in system-config-printer source package in Trusty:
Fix Released
Status in system-config-printer source package in Utopic:
Fix Released
Bug description:
If there is no Gutenprint package locally installed (printer-driver-
gutenprint, part of standard desktop installation) and a printer
supported by Gutenprint is connected to the system and set up, system-
config-printer assigs the Gutenprint driver available on the
OpenPrinting web site to the printer and downloads and installs it (if
the user confirms on the appropriate screen). After the package is
installed but still with the install progress pop-up open system-
config-printer either hangs or crashes. Other driver packages get
correctly installed though.
[Impact]
Users of smaller setups who have cleaned out less important packages
or of server setups will run into this problem when connecting a
printer only supported by Gutenprint (Canon inkjets and some Epson
inkjets). Problem can also occur with other downloadable driver
packages in the future.
[Test Case]
Uninstall printer-driver-gutenprint via
sudo dpkg -P printer-driver-gutenprint
If you do not have an appropriate printer, create a file named
/usr/lib/cups/backend/testbackend containing the line
echo 'direct usb://EPSON/Stylus%20Photo%201290 "EPSON Stylus Photo
1290" "EPSON Stylus Photo 1290"
"MFG:EPSON;CMD:ESCPL2,BDC,D4,D4PX,ESCPR2;MDL:Stylus Photo
1290;CLS:PRINTER;DES:EPSON Stylus Photo 1290;" ""'
and make it world-readable and -executable:
sudo chmod a+rx /usr/lib/cups/backend/testbackend
This emulates an Epson Stylus Photo 1290 printer on USB, at least for
CUPS' printer discovery facility.
Start system-config-printer and click the "Add" button. In the printer
setup wizard choose the Epson Stylus Photo 1290 under the detected
printers. There will pop up "Searching driver" messages several times
and in the end you will get offered to download and install the
Gutenprint driver. Accept it and a progress bar pop up will appear.
The progress bar will not grow during the preparing steps. Then you
get asked for your password to give the admin permissions for the
package installation itself. The progress bar now indicates that the
package gets installed. Near the end system-config-printer either
hangs or crashes. Te package is installed then
With the proposed packages for Utopic and Trusty this is fixed. The
progress pop-up disappears and the wizard continues asking for the
print queue name. Completing the wizard creates the queue which indeed
uses the Gutenprint driver from OpenPrinting. In addition, the
progress pop-up spins during the preparing steps of the installation,
before the password is asked for.
[Regression Potential]
Regression potential is low, as the fix only affect the code for the
package download and installation. All other parts of system-config-
printer are unchanged.
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/system-config-printer/+bug/1412722/+subscriptions
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