The problem here was that CUPS checked whether the lp module
was loaded, and if not, it loaded both lp and ppdev. With lp
already loaded at CUPS startup (the usual case), CUPS did not load
any module, so ppdev was not loaded again.
The usual case is that the lp module is loaded at boot
Just today I tried to install the packages. However, I couldnt install them:
They report:
1) Dependency is not satisfiable: libc6
2) Conflicts with installed libcupssys2-dev
Any advice?
Thanks,
Gustavo
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The packages are for Ubuntu Feisty. They do not work with older versions
like Edgy or Dapper. To run the packages on an older version you will
have to rebuild the source package.
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from Till Kamppeter
Please install the new CUPS packages and check whether it really solves the
problem, so that we can see whether we can close (reject) the kernel task.
Seems to work : I just did a fresh install of Feisty Herd 3, updated it,
and it successfully found my HP Laserjet 6P, I
Fix in the cupsys package solves the problem, the kernel seems to be OK.
** Changed in: linux-source-2.6.17 (Ubuntu)
Status: Confirmed = Rejected
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The problem here was that CUPS checked whether the lp module was
loaded, and if not, it loaded both lp and ppdev. With lp already
loaded at CUPS startup (the usual case), CUPS did not load any module,
so ppdev was not loaded again.
I have modified the CUPS startup script now, that CUPS tries to
Please install the new CUPS packages and check whether it really solves
the problem, so that we can see whether we can close (reject) the kernel
task.
** Changed in: cupsys (Ubuntu)
Status: Fix Committed = Fix Released
** Changed in: cupsys (Ubuntu)
Target: ubuntu-6.06 =
The permissions are still set wrong in 6.10 - I just downloaded and
installed it, and the printing worked fine on the live CD but not on the
hd install.
I ran into this problem but it was only a permissions issue with lp0.
Took me 1/2 hour of sifting through this and other threads to track it
I have just upgraded to Debian etch Linux, and after three days of
searching for how to get my HP Deskjet 722C to print again, I have
finally found success. Here's what I did (except for what didn't work ;
- ) . . .
I downloaded HP-DeskJet_722C-pnm2ppa.ppd from
I am attaching the the printingbuginfo output.
Just in case.
Gustavo
** Attachment added: printingbuginfo result
http://librarian.launchpad.net/5310255/printingbuginfo.txt
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...and another frustrated person to confirm this problem, this time with
Debian. I've had the same no parallel port printer discovered problem
for some time now. The antiquated HP LaserJet worked just fine when
attached to a Debian 'sarge' system running LPRng. If I remember
correctly, it still
Bad luck. Even with lp, ppdev, parport, parport_pc loaded and cupsys
restarted, gnome-cups-add won't detect anything at all. Some kernel
output:
[EMAIL PROTECTED]:~$ dmesg | tail
[drm] Setting GART location based on new memory map
[drm] Loading R300 Microcode
[drm] writeback test succeeded in 1
In my case 'gksu-cups-add' detected two ppds for ach driver tested
(the gzipped and the gunzipped). e.g.:
** (gnome-cups-add:6359): WARNING **: Two ppds have driver == 'Standard'
-linuxprinting.org-postscript/Savin/Savin-SLP26n_PS.ppd.gz (Savin
SLP26n PS[0]) and
The original poster has reported the bug of parallel printers not being
detected and that is not fixed yet. It is most probably a kernel
problem.
The dmesg output of gcordoba says
[17179596.504000] lp: driver loaded but no devices found
So the lp kernel module did not find the printer. This
Well, I'm having other troubles getting my Deskjet 722C to work out of
the box. It looks like the pnm2ppa conf file problem (Version variable
with HP printers) was fixed, but my printer is not detected at all in
Edgy! Turns out I had to do 'sudo modprobe ppdev' before I did 'gksu
I should add that appending 'ppdev' to /etc/modules fixes my problem
permanently.
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Hi, thanks for your advice.
The dmesg is very long, then I am attaching it as a file (dm.txt)
Here some of the output:
[17211146.124000] Inbound IN=eth0 OUT=
MAC=00:00:39:ea:32:f4:00:0d:66:24:60:55:08:00 SRC=172.202.234.230
DST=82.40.163.178 LEN=63 TOS=0x00 PREC=0x00 TTL=114 ID=37674 PROTO=UDP
Today, I tried the same without success:
[EMAIL PROTECTED]:~$ sudo dmesg | grep lp0
[EMAIL PROTECTED]:~$ dmesg | grep lp0
[EMAIL PROTECTED]:~$ dmesg | grep lp
[17179569.184000] On node 0 totalpages: 65344
[17179571.836000] Calibrating delay using timer specific routine.. 3991.79
BogoMIPS
U Čet, 26. 10. 2006., u 07:30 +, gcordoba je napisao/la:
[17179572.624000] PCI: If a device doesn't work, try pci=routeirq.
If it helps, post a report
[...]
[EMAIL PROTECTED]:~$ pci=routeirq
You should add pci=routeirq to 'defoptions' in /boot/grub/menu.lst, so
it looks like this:
#
[EMAIL PROTECTED]:~$ sudo pico /boot/grub/menu.lst
Password:
[EMAIL PROTECTED]:~$ sudo update-initramfs
You must specify at least one of -c, -u, or -d.
Usage: /usr/sbin/update-initramfs [OPTION]...
Options:
-k [version] Specify kernel version or ALL
-c Create a new initramfs
-u
U Čet, 26. 10. 2006., u 18:51 +, gcordoba je napisao/la:
[EMAIL PROTECTED]:~$ sudo update-initramfs
You must specify at least one of -c, -u, or -d.
My mistake. update-initramfs -u
[EMAIL PROTECTED]:~$ sudo dmesg | grep lp
Once again, dmesg is important after loading 'ppdev' module.
I've just set up Edgy RC1...and I'm seeing the same behavior. My
LaserJet 6P is not detected. I'll experiment with ppdev, etc. when I
get home from work tonight...
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Yep, the problem is still there (Edgy RC + updates)... kernel detects
my parport HP Laserjet 6P just fine (based on messages I can see in
/var/log/messages), but gnome-cups-manager doesn't, unless I manually
load the ppdev module.
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cupsys does not automatically detect parallel printer
Okay, I've essentially recreated the earlier scenario. Doing nothing,
gnome-cups-manager gives No printer detected when I double-click New
Printer. After loading the ppdev module, it finds my HP LaserJet 6P
immediately. Here's the shell session (with a couple of comments):
# No printer found
If I understand correctly, the solution to the problem is
sudo modprobe ppdev
I am running 6.06 fully updated 15 min ago and that doesn't solve the problem.
I have an HP LJ 6MP on the parallel port which is not recognized. Installing it
manually doesn't work either.
Am I missing something?
Please, any idea?...
Gustavo
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[EMAIL PROTECTED]:~$ sudo cat ~/.bashrc /dev/lp0
bash: /dev/lp0: Permission denied
It souds just as a permissions problem...
Gustavo
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'sudo cat ~/.bashrc /dev/lp0' does not work the way you intend it to.
You need to do
echo hello | sudo tee /dev/lp0
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[EMAIL PROTECTED]:~$ echo hello | sudo tee /dev/lp0
Password:
hello
[EMAIL PROTECTED]:~$
As you can see, that line produced only the echo.
Gustavo
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gcordoba, can you check whether the parallel port setting in the BIOS of
your computer supports bi-directional communication?
Make also sure not having any other device (like a parallel scanner) on
the same parallel port.
Do also not use any Canon or Epson entries for your parallel port.
Can
Yes, it is Standart Bi-directional.
No other physical devices attached to the port
I do not know about any Canon or Epson entries
It do not print manually.
Best regards,
Gustavo
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What does the printer do if you enter
sudo cat ~/.bashrc /dev/lp0
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Hi,
I am trying to fix the non-detection problem for a HP LaserJet 5L (parallel
port). I am using Ubuntu6.06. I just tried with most of the tips without
success. However, it seems to me that the problem is that the parallel port are
used by someone/something.
I am attaching al the trials done.
+++
manual - select - printer /canon/parallel port
print
Selected ppd file = linuxprinting.org-gs-builtin/Canon/Canon-
BJC-250-bjc600.ppd
** (gnome-printer-view:6749): WARNING **: connect = 'canon:/dev/lp0'
** (gnome-printer-view:6749): WARNING **: method:'canon'
user:''
host
Don't select canon:/dev/lp0 or epson:/dev/lp0, select parallel:/dev/lp0.
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select LPT#1 -- It is OK!!! after reboot OK!!!
THX
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gnome-cups-manager 0.31-1.1ubuntu13 /and older/
parallel port Canon BJC250 not detected. /ecp+epp/
dapper
[EMAIL PROTECTED]:~# lpinfo -v
network socket
network beh
network bluetooth
direct hp:/no_device_found
network http
network ipp
network lpd
direct parallel:/dev/lp0
direct canon:/dev/lp0
I've just dist-upgraded a breezy pc to just released dapper, gnome-cups-
manager can't see any attacched printer.
I have a usb-only epson Stylus c45, which breezy recognized without
problem.
The problem with usb printer still is present in dapper.
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Fixed for me (HP Deskjet 840C) after carrying out :
sudo modprobe ppdev
As requested.
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@Mark: no, not at all.
If that ppdev trick generally works, I will add loading of that module to the
cupsys init script. I just want some confirmations that it does work.
** Changed in: cupsys (Ubuntu)
Target: None = ubuntu-6.06
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cupsys (1.2.0-0ubuntu2) dapper; urgency=low
.
* debian/cupsys.init:
- Load the 'lp' module. Earlier installers did not put it in /etc/modules
and we keep getting dozens of bug reports about that, so let's just fix
it
here once and for all.
- Load the 'ppdev' module.
Fixed for me with latest update. Still slower than breezy when reading
the database, but the on screen warning is good
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Vincent - loading ppdev makes my LaserJet visible as well. It now magically
appears when add printer is run. Hmm - I wonder if cupsys used to more closely
monitor specific signals from the parallel port?
Oh, well - as you say, it's a workaround, not a fix. However, it may provide
important
Can someone else confirm this? Is your printer detected after
sudo modprobe ppdev
? What does dmesg say after that command?
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Martin - here's some dmesg output, with comments:
[EMAIL PROTECTED]:~$ dmesg | grep lp0 ;Before loading ppdev;
[4294689.655000] lp0: using parport0 (interrupt-driven).
[EMAIL PROTECTED]:~$ sudo modprobe ppdev
Password:
[EMAIL PROTECTED]:~$ dmesg | grep lp0 ;After loading ppdev;
[4294689.655000]
To experiment, I added ppdev to my /etc/modules file. Now when I boot the
systems sees my printer straightaway.
Is there a problem with leaving /etc/modules that way temporarily? I'm not
seeing any adverse behavior...yet.
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Hi, just to say that as far as I am concerned, the bug is fixed.
I have a parport HP Laserjet 6P like Mark W. Tomlinson, and current Dapper now
detects it properly.
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Vincent, unfortunately I can't agree. I just did the update that installed
cupsys 1.1.99.rc3-0ubuntu4, rebooted (just to make sure!) and I still get the
same results - no printers detected.
Can you think of anything that you're doing differently to me?
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Hmm yes, I may have an idea ! :-)
Try loading the ppdev module (sudo modprobe ppdev).
I had forgotten about this module, which I had added manually, because of a
program I installed, which required this module so as to gain (direct) control
of the parallel port pins (not for printing). It
Forwarded upstream: http://www.cups.org/str.php?L1665+P0+S-2+C0+I0+E0+Q
Mark, thanks for your great help with debugging this! To get back your system
to a normal state, please do a 'sudo make uninstall' in the upstream cups
source directory and do
sudo dpkg -P --force-depends cupsys
confirmed, forwarded upstream
** Changed in: cupsys (Ubuntu)
Status: Needs Info = Confirmed
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Martin - you're welcome. Let me know if I need to do anything else.
To get back your system to a normal state...Oops! Already wiped
reinstalled - but I'll keep your directions for the next time!
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Part of the problem is bug 40826: /etc/modules does not contain 'lp' for
systems installed with ubiquity (the live CD installer). Manually adding it
there will make parallel printers work in general. However, they still don't
seem to be detected automatically, which definitively is a breezy
** Attachment added: CUPS 1.2rc3 Error Log
http://librarian.launchpad.net/2490736/error_log
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Okay, Martin, there's your log file, generated by doing the following:
[EMAIL PROTECTED]:~$ sudo killall cupsd
Password:
[EMAIL PROTECTED]:~$ sudo rm /etc/cups/printers.conf /var/log/cups/error_log
[EMAIL PROTECTED]:~$ sudo gedit /etc/cups/cupsd.conf ;Change LogLevel to debug2.
[EMAIL
Interestingly, the closest driver I could find from the CUPS 1.2rc3
tarball for my LaserJet-6P was LaserJet-Series-PCL-4-5.ppd - and the
printing start time is noticeably faster.
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I have the very same problem using HP Deskjet 695C on parallel port (with
Ubuntu Dapper Beta with latest available updates).
Linux version 2.6.15-21-386 ([EMAIL PROTECTED]) (gcc version 4.0.3 (Ubuntu
4.0.3-1ubuntu5)) #1 PREEMPT Fri Apr 21 16:43:33 UTC 2006
gnome-cups-manager: 0.31-1.1ubuntu6
Just a note, when you test this under Breezy, please make sure that the
printer is already turned on at boot time, since breezy's cups did not
detect newly attached printers (not without restarting cups, that is).
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cupsys does not automatically detect parallel printer
Julien, you mentioned that in Breezy the parallel printer was picked up in
dmesg. How did that look like? Is the output (dmesg | grep lp) still the same
or similar in Dapper, or does it indicate that the lp module did not detect the
printer any more for some reason?
I. e. can anyone who
Martin,
From Breezy (Live CD, I replaced my Breezy install with Dapper):
[EMAIL PROTECTED]:~$ dmesg | grep lp
[4294671.645000] PCI: If a device doesn't work, try pci=routeirq. If it
helps, post a report
[4294679.437000] Uniform Multi-Platform E-IDE driver Revision: 7.00alpha2
[4294765.827000]
Can you please give me the output of
dmesg|grep lp0
? If it indicates that the parallel port is used in 'ECP' mode, can you please
switch it to EPP in the BIOS and check whether it works then?
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Martin - my system supports 4 parallel port modes: output only, bi-directional,
EPP and ECP. None of the settings cause any change in the behavior of cupsys
(no printer found). I added comments (;) to my terminal output:
[EMAIL PROTECTED]:~$ dmesg|grep lp0 ;Output only mode
dmesg showed my Toshiba Satellite A50's parallel port was in ECP.
However, BIOS only has two options: ECP and Standard Bi-Directional.
Neither setting allowed my printers to be detected.
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Hi Mark,
Mark W. Tomlinson [2006-04-24 21:41 -]:
Martin - I installed the 1.1.99.rc2-0ubuntu2 cupsys, rebooted and got
the same thing - no printer found.
Alright, then let's dig a bit deeper. Can you please copypaste the
output of the following two commands here:
ls -l /dev/lp*
sudo
OK, here:
[EMAIL PROTECTED]:~$ ls -l /dev/lp*
crw-rw 1 root lp 6, 0 2006-04-24 13:36 /dev/lp0
[EMAIL PROTECTED]:~$ sudo -u cupsys /usr/lib/cups/daemon/cups-deviced 1 1 `id
-u cupsys` ''
Password:
DEBUG: [cups-deviced] Added device hp:/no_device_found...
DEBUG: [cups-deviced] Added device
I only see the output of 'sudo -u cupsys ...', not the output of 'sudo
/usr/lib/cups/daemon/cups-deviced'. Your reply shows that deviced, when running
as user cupsys, indeed doesn't seem to find your parallel printer.
Please note that the trailing '' are two single quotes, not a double quote.
Thanks, Mark. So it does not seem to be a permission problem at all, but
the parallel backend simply doesn't seem to recognize your printer.
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Sorry, Martin - I definitely haven't reached guru stage yet:
[EMAIL PROTECTED]:~$ ls -l /dev/lp*
crw-rw 1 root lp 6, 0 2006-04-25 03:50 /dev/lp0
[EMAIL PROTECTED]:~$ sudo -u cupsys /usr/lib/cups/daemon/cups-deviced 1 1 `id
-u cupsys` ''
Password:
DEBUG: [cups-deviced] Added device
As Mark's pictures posted March 6 show, the backend did recognize all of
our printers in Breezy (or, in my case, Hoary - they were already
installed when I dist-upgraded to Breezy).
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** Bug 35689 has been marked a duplicate of this bug
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Martin - I installed the 1.1.99.rc2-0ubuntu2 cupsys, rebooted and got
the same thing - no printer found.
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I think this is upstream, as I have tried the latest Simply MEPIS
version 6.0 pre-alpha and got the same result as Dapper
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Matthias,
This is an old bug, but it is marked Needs Info. What information do you
need?
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Still a no go with my HP Deskjet 722c which is using the foomatic filters, the
printer works fine, but it's not automatically detected.
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please recheck after a dist-upgrade to dapper 20060414, you should have
installed
cupsys1.1.99.b1.r4929-0ubuntu8
hplip-ppds0.9.6-1ubuntu8
** Changed in: cupsys (Ubuntu)
Assignee: (unassigned) = Matthias Klose
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cupsys does not automatically detect parallel
Matthias,
Yes, I do have those versions of cupsys and hplip-ppds. I'm now able to
manually configure my printer (as before). It still doesn't recognize the
printer, as Breezy did, though.
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Hi I can confirm with dapper flight 5 and with all updates with that with my HP
laserjet 5L Parallel, it isn't detected automatically by Gnome-CUPS manager.
The device is picked up in dmesg.
This printer did also work fine in hoary, breezy without issues.
I also have a USB Epson Stylus Color
Martin - that's correct. Quickest way to clarify would be to check the
AddPrinter dialogue screenshots I previously attached, but:
In Breezy, when I selected Add a printer, my LaserJet-6p was automatically
identified under Use a detected printer. In Dapper, the same action yields
no printer
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