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Bug#378147: marked as done (cups doesn't print on parallel printer: /dev/lp0: permission denied)

Your message dated Tue, 9 Jan 2007 08:23:24 -0600
with message-id <200701090823.35013.adam@alphapapa.net>
and subject line Closing
has caused the attached Bug report to be marked as done.

This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.

(NB: If you are a system administrator and have no idea what I am
talking about this indicates a serious mail system misconfiguration
somewhere.  Please contact me immediately.)

Debian bug tracking system administrator
(administrator, Debian Bugs database)
--- Begin Message --- 
Package: cupsys
Version: 1.2.1-3
Severity: important

Hello, cups doesn't print on parallel printer... this bug may be related
to

http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=370834
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=330511

but those bug report seem to be slightly different to me.

When trying to print on

# Printer configuration file for CUPS v1.2.1
# Written by cupsd on 2006-07-13 19:05
<DefaultPrinter EPSONStylusColor600>
Info EPSON Stylus Color 600
Location
DeviceURI parallel:/dev/lp0
State Idle
StateTime 1152810326
Accepting Yes
Shared Yes
JobSheets none none
QuotaPeriod 0
PageLimit 0
KLimit 0
OpPolicy default
ErrorPolicy stop-printer
</Printer>

which I setup via kdeprint 3.5.3 - that I fixed to use localhost:631 first
(see http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=373720) I get:

I [13/Jul/2006:19:05:07 +0200] Job 4 queued on "EPSONStylusColor600" by
"root".
I [13/Jul/2006:19:05:07 +0200] Started filter
/usr/lib/cups/filter/pstops (PID 32521) for job 4.
I [13/Jul/2006:19:05:07 +0200] Started filter
/usr/lib/cups/filter/pstoraster (PID 32522) for job 4.
I [13/Jul/2006:19:05:07 +0200] Started filter
/usr/lib/cups/filter/rastertogutenprint.5.0 (PID 32523) for job 4.
I [13/Jul/2006:19:05:07 +0200] Started backend
/usr/lib/cups/backend/parallel (PID 32524) for job 4.
E [13/Jul/2006:19:05:07 +0200] [Job 4] Unable to open parallel port
device file "/dev/lp0": Permission denied
E [13/Jul/2006:19:05:07 +0200] PID 32524
(/usr/lib/cups/backend/parallel) stopped with status 1!
I [13/Jul/2006:19:05:07 +0200] Hint: Try setting the LogLevel to "debug"
to find out more.
I [13/Jul/2006:19:05:19 +0200] Saving printers.conf...
I [13/Jul/2006:19:05:19 +0200] Job 4 was cancelled by "root".

Permissions were:

root@deepdance:~ -> ls -l /dev/lp0
crw-rw---- 1 root lp 6, 0 2006-07-13 18:46 /dev/lp0

The printing user is in "lp" group:

martin@deepdance:~ -> id | grep lp
uid=1000(martin) gid=1000(martin)
Gruppen=7(lp),...

When I issue "chmod a+rw /dev/lp0" printing works. I did this quick and
dirty fix cause I just wanted to print something (seems to be difficult since
introduction of CUPS 1.2).

I don't understand why I don't have permissions on /dev/lp0 especially
when the job was queued by "root" which I don't understand either. I
thought it should have been queued as user "martin" by kdeprint.

I am using udev 0.093-1 with a self compiled 2.6.17.1 with sws2 patches
and an XFS corruption fix
(http://bugzilla.kernel.org/show_bug.cgi?id=6757) on an IBM ThinkPad T23
with port replicator.

Regards,
Martin


-- System Information:
Debian Release: testing/unstable
  APT prefers testing
  APT policy: (990, 'testing'), (500, 'unstable'), (1, 'experimental')
Architecture: i386 (i686)
Shell:  /bin/sh linked to /bin/bash
Kernel: Linux 2.6.17.1-tp23-sws2-2.2.6-xfs-fix
Locale: LANG=de_DE@euro, LC_CTYPE=de_DE@euro (charmap=ISO-8859-15)

Versions of packages cupsys depends on:
ii  adduser                  3.87            Add and remove users and groups
ii  debconf [debconf-2.0]    1.5.2           Debian configuration management sy
ii  gs-esp                   8.15.1.dfsg.1-2 The Ghostscript PostScript interpr
ii  libacl1                  2.2.39-1        Access control list shared library
ii  libc6                    2.3.6-15        GNU C Library: Shared libraries
ii  libcupsimage2            1.2.1-3         Common UNIX Printing System(tm) - 
ii  libcupsys2               1.2.1-3         Common UNIX Printing System(tm) - 
ii  libdbus-1-2              0.62-4          simple interprocess messaging syst
ii  libgnutls13              1.4.0-2         the GNU TLS library - runtime libr
ii  libldap2                 2.1.30-13+b1    OpenLDAP libraries
ii  libpam0g                 0.79-3.1        Pluggable Authentication Modules l
ii  libpaper1                1.1.19          Library for handling paper charact
ii  libslp1                  1.2.1-5         OpenSLP libraries
ii  lsb-base                 3.1-10          Linux Standard Base 3.1 init scrip
ii  patch                    2.5.9-4         Apply a diff file to an original
ii  perl-modules             5.8.8-4         Core Perl modules
ii  procps                   1:3.2.7-2       /proc file system utilities
ii  xpdf-utils [poppler-util 3.01-8          Portable Document Format (PDF) sui
ii  zlib1g                   1:1.2.3-11      compression library - runtime

Versions of packages cupsys recommends:
ii  cupsys-client                 1.2.1-3    Common UNIX Printing System(tm) - 
pn  foomatic-filters              <none>     (no description available)
ii  smbclient                     3.0.22-1   a LanManager-like simple client fo

-- debconf information:
  cupsys/raw-print: true
  cupsys/ports: localhost:631
  cupsys/backend: ipp, lpd, parallel, socket, usb
  cupsys/portserror:
  cupsys/browse: true

--- End Message ---
--- Begin Message --- 
Version: 1.2.7-2

For the first time in a long time I was able to print without changing the 
permissions of /dev/lp0 to 666!  Closing.

Attachment: pgpblL2csEFx7.pgp
Description: PGP signature


--- End Message ---
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