Problem is still here in Ubuntu 12.10 with cups-filters 1.0.24
In my case the printer is a postscript printer (hp3030). So I have to
ask the question, WHY is the print system even calling ghostscript to
interpret a postscript file when the printer is fully able to handle it
for itself?
Simple
Taken bug out of SRU process for Precise, as user who has complained
about problem in Precise did not answer (and is not owner of this bug).
** Changed in: cups-filters (Ubuntu Precise)
Status: Fix Committed = Invalid
** Tags removed: verification-needed
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This bug was fixed in the package cups-filters - 1.0.18-0ubuntu0.1
---
cups-filters (1.0.18-0ubuntu0.1) precise-proposed; urgency=low
[ Till Kamppeter ]
* New upstream release
- pdftops: Allow selection whether Ghostscript or Poppler is used
at runtime, setting the
The last change in cups-filters is not actually fixing this bug. setting
back to Invalid for the cups-filters task.
** Changed in: cups-filters (Ubuntu Precise)
Status: Fix Released = Invalid
** Changed in: cups-filters (Ubuntu)
Status: Fix Released = Invalid
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Oliver, for your printers pdftops is not used, so the new package and
also the mentioned configuration changes do not affect your printing
performance.
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I tried testing this.
I enabled proposed updates and selected cups-filters in the update
manager.
Tested all the options but they don't seam to have any effect. The
document took between 2 and 3 minutes in all cases. And i still see gs
running when i expected to see pdftops when using default
Hello Oliver, or anyone else affected,
Accepted cups-filters into precise-proposed. The package will build now
and be available in a few hours. Please test and give feedback here. See
https://wiki.ubuntu.com/Testing/EnableProposed for documentation how to
enable and use -proposed. Thank you in
** Branch linked: lp:ubuntu/precise-proposed/cups-filters
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Title:
Printing speed problem
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Another test you should try:
After having tested the proposed package without changing any default
settings, run the following commands in a terminal window
lpadmin -p printer -o pdftops-renderer-default=gs
lpadmin -p printer -o pdftops-max-image-resolution-default=1440
lpadmin -p printer -o
The problem in Precise (12.04) is most probably caused by switching the
pdftops CUPS filter from Poppler to Ghostscript and allowing higher
image rendering resolutions when the pdftops filter has to turn
graphical structures of the PDF input file into bitmaps when converting
to PostScript and
To the SRU team: The relevant changes for the fix are in the file
filter/pdftops.c. The file in the debdiff looks very cluttered as there
are many lines where only white space (indentation) changed. Attached to
this comment is a cleaner diff for this file with white space changes
ignored (diff
I have this problem too in 12.04 when trying to print from firefox
either on a laser printer or to the PDF virtual printer
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Title:
Printing speed
This is a bummer. I can't print PDFs on any of my 12.04 machines
without getting 100% cpu from a gs process. Is there any workaround?
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Title:
Sorry for taking so long to answer. Yes, here I send you the original
file.
2012/4/6 Adrian Johnson ajohn...@redneon.com:
Stefan, are you able to provide the original pdf of that document
instead of the version that has been printed to pdf using cairo ?
I am working on fixes for cairo to
Stefan, are you able to provide the original pdf of that document
instead of the version that has been printed to pdf using cairo ?
I am working on fixes for cairo to improve the output but I need the
original pdf to test the fixes with, not the output that has already
passed through cairo.
--
Stefan, your file was generated by Cairo, therefore I have also reported
a bug to Cairo:
https://bugs.freedesktop.org/show_bug.cgi?id=48260
** Bug watch added: freedesktop.org Bugzilla #48260
https://bugs.freedesktop.org/show_bug.cgi?id=48260
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Stefan, rendering slowness can get caused by many different factors, and
many problems are solved by the fixes referenced in this bug report, but
there still seem to be other cases which cause slownesses.
For your case I have reported the following bug to Ghostscript upstream:
I think this problem still exists in 12.04 Precise Pangolin Beta 1: When I try
to print the attached document, Ghostscript runs at 100% on one CPU core (Intel
core i5 2520) for ~10 minutes, taking sometimes more than 1GB RAM. The printing
process is started from evince.
The printer is a Brother
I'm using the cups version 1.5.0-8ubuntu6 but the problem is still
there. I need to print pdf from an other computer with an older version
of ubuntu.
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Ben, probably on your client your older version of Ubuntu is so old
that bug 680628 is not fixed there. I recommend to update that version
or use Adobe Reader instead of evince there.
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Correction for the version number: The next CUPS package will be
1.4.7-1ubuntu3.
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Title:
Printing speed problem
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** Changed in: gs-gpl
Status: Confirmed = Fix Released
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Title:
Printing speed problem
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This bug was fixed in the package ghostscript -
9.04~dfsg~20110721-0ubuntu1
---
ghostscript (9.04~dfsg~20110721-0ubuntu1) oneiric; urgency=low
* New upstream release
- GIT snapshot from July, 21 2011.
- Significant rendering speed improvement for printing PDF files
** Branch linked: lp:ubuntu/ghostscript
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Printing speed problem
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We can get even by another factor of 12 faster (measured with
stars.pdf), with ghostscript 9.04~dfsg~20110721-0ubuntu2
---
ghostscript (9.04~dfsg~20110721-0ubuntu2) oneiric; urgency=low
* debian/patches/1001_gstoraster_nointerpolate.patch: Make CUPS filters
call Ghostscript
In the next CUPS package (1.4.7-2) the priorities will get returned to
make the Ghostscript-based gstoraster filter be used instead of the
Poppler-based pdftoraster, the pdftops and pstopdf CUPS filters are
switched to be Ghostscript-based, and also all Ghostscript calls defined
in CUPS are done
** Changed in: gs-gpl
Status: Fix Released = Confirmed
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Title:
Printing speed problem
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** Changed in: gs-gpl
Status: In Progress = Fix Released
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Title:
Printing speed problem
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The upstream developers of Ghostscript did several improvements
concerning performance when rendering complex input files at high
(printing) resolutions. These changes are all included in the upcoming
Ghostscript 9.03 to be released in August and to be included in Oneiric.
During this development
** Branch linked: lp:debian/cups
** Branch linked: lp:ubuntu/cups
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Title:
Printing speed problem
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This bug was fixed in the package cups - 1.4.5-3
---
cups (1.4.5-3) unstable; urgency=low
[ Till Kamppeter ]
* debian/rules: Do not remove the /usr/share/cups/model/ directory, some
manufacturer-supplied printer drivers (like from Brother) still use it.
* debian/rules:
** Changed in: cups (Ubuntu)
Status: Triaged = In Progress
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Title:
Printing speed problem
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** Changed in: gs-gpl
Importance: Unknown = High
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Title:
Printing speed problem
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Please retry with current Natty (Boot a live CD and do a full update
during the live session to assure to have the current Ghostscript). Does
printing/rendering your files get faster? At least some slownesses
should be fixed in current Ghostscript 9.01.
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Trying to print a 12 page calendar from PDF, started processing 24
minutes ago and no output so far.
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Title:
Printing speed problem
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Sorry, I meant bug 680628 in the previous comment.
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Bug 355801 is not really a duplicate of this one, but the sample file
attached there (after it got mangled by libcairo, attachment of comment
#3) is also a good example for reproducing the slowness problem of
Ghostscript.
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You
** Changed in: gs-gpl
Status: Confirmed = In Progress
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** Changed in: gs-gpl
Status: Unknown = Confirmed
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** Bug watch added: Ghostscript (AFPL) Bugzilla #691755
http://bugs.ghostscript.com/show_bug.cgi?id=691755
** Also affects: gs-gpl via
http://bugs.ghostscript.com/show_bug.cgi?id=691755
Importance: Unknown
Status: Unknown
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Printing speed problem
Oliver, note that gs stars.pdf defaults to the broken x11alpha
output device. Use gs -sDEVICE=x11 stars.pdf instead.
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I have tried with a Poppler-based pdftoraster which is currently under
development at OpenPrinting and is under consideration to replace the
current GhostScript-based pdftoraster.
starts.pdf from comment #20 and #21 takes 53 secs with Poppler-based
pdftoraster instead of 10 minutes with
** Description changed:
Printing takes too long, or occasionally fails. During the print job,
process gs takes 100% cpu and printer pauses for a long time. This
happens on Ubuntu 10.04 32bit on a 500Mhz Pentium 3 with 312MB of ram,
on Ubuntu 10.10 64bit on a 2.4Ghz Q6600 quad core with
Out of interest I tried the following:
1. Open stars.svg in inkscape, and 'print to file' as postscript
2. Open stars.ps in evince and print to printer
3. Successful print (correct and fast)
1. Open stars.svg in inkscape, and 'print to file' as PDF
2. Open stars.pdf in evince and print to
Tested this document from inkscape (using print - rendering - backend
- vector) and Eye of gnome
** Attachment added: Test document stars.svg
https://bugs.launchpad.net/ubuntu/+source/ghostscript/+bug/668800/+attachment/1718909/+files/stars.svg
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Printing speed problem
** Attachment added: A document that's slow to print.
https://bugs.launchpad.net/bugs/668800/+attachment/1717093/+files/document.pdf
** Description changed:
Printing takes too long, or occasionally fails. During the print job,
process gs takes 100% cpu and printer pauses for a long
This bug is easy to reproduce. Start a new virtual machine with 1GB of
ram. Make a clean install of Ubuntu 10.10. Update. Add a network printer
and print the attached document. I tested with an Officejet Pro 8000.
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You received this
The page didn't print under the virtual machine. I've attached
troubleshoot.txt from the printer problem wizard.
** Attachment added: troubleshoot.txt
https://bugs.launchpad.net/ubuntu/+bug/668800/+attachment/1717106/+files/troubleshoot.txt
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Printing speed problem
** Package changed: ubuntu = ghostscript (Ubuntu)
** Changed in: ghostscript (Ubuntu)
Status: New = Incomplete
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Hello Oliver
I confirm that running this test Ghostscript pull up cpu at 101%.
** Tags added: apport-collected
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** Description changed:
Printing takes too long, or occasionally fails. During the print job,
process gs takes 100% cpu and printer pauses for a long time. This
happens on Ubuntu 10.04 32bit on a 500Mhz Pentium 3 with 312MB of ram,
on Ubuntu 10.10 64bit on a 2.4Ghz Q6600 quad core with
Bug #568363 sounds very similar to this
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