[Okular-devel] [okular] [Bug 322662] New: Okular freezes when trying to print PDF

Milian Wolff mail at milianw.de
Sun Jul 21 20:23:52 UTC 2013 

https://bugs.kde.org/show_bug.cgi?id=322662

            Bug ID: 322662
           Summary: Okular freezes when trying to print PDF
    Classification: Unclassified
           Product: okular
           Version: 0.16.5
          Platform: Archlinux Packages
                OS: Linux
            Status: UNCONFIRMED
          Severity: grave
          Priority: NOR
         Component: PDF backend
          Assignee: okular-devel at kde.org
          Reporter: mail at milianw.de

When I try to print the following PDF with the form filled out, okular freezes
at 100% CPU usage. Perf top shows:

Samples: 1M of event 'cycles', Event count (approx.): 31052716121               
 23.49%  libz.so.1.2.8                          [.] inflate
 11.91%  chromium                               [.] 0x0000000003746c02
  7.01%  libpoppler.so.37.0.0                   [.] FlateStream::fill_buffer()
  5.30%  libz.so.1.2.8                          [.] adler32
  5.21%  libz.so.1.2.8                          [.] 0x000000000000a653
  4.23%  libc-2.17.so                           [.] __memcpy_ssse3_back
  3.03%  libpoppler.so.37.0.0                   [.] FlateStream::getRawChar()
  2.41%  libpoppler.so.37.0.0                   [.] FileStream::getChar()
  2.36%  libxul.so                              [.] 0x00000000009c7c26
  1.02%  libpoppler.so.37.0.0                   [.]
GfxFont::readEmbFontFile(XRef*, int*)
  0.91%  libc-2.17.so                           [.] _int_malloc
  0.89%  [i915]                                 [k] 0x000000000005280b
  0.86%  libc-2.17.so                           [.] _int_free
  0.80%  libglib-2.0.so.0.3600.3                [.] 0x000000000008707a
  0.76%  libpoppler.so.37.0.0                   [.] FlateStream::getChar()

gdb shows:

(gdb) bt
#0  0x00007f85ad01d0c9 in inflate () from /usr/lib/libz.so.1
#1  0x00007f859d7c6491 in FlateStream::fill_buffer() () from
/usr/lib/libpoppler.so.37
#2  0x00007f859d7c65d8 in FlateStream::lookChar() () from
/usr/lib/libpoppler.so.37
#3  0x00007f859d80e0e4 in GfxFont::readEmbFontFile(XRef*, int*) () from
/usr/lib/libpoppler.so.37
#4  0x00007f859d80eef2 in Gfx8BitFont::Gfx8BitFont(XRef*, char const*, Ref,
GooString*, GfxFontType, Ref, Dict*) () from /usr/lib/libpoppler.so.37
#5  0x00007f859d8124fc in GfxFont::makeFont(XRef*, char const*, Ref, Dict*) ()
from /usr/lib/libpoppler.so.37
#6  0x00007f859d812623 in GfxFontDict::GfxFontDict(XRef*, Ref*, Dict*) () from
/usr/lib/libpoppler.so.37
#7  0x00007f859d868bf6 in PSOutputDev::setupFonts(Dict*) () from
/usr/lib/libpoppler.so.37
#8  0x00007f859d868cfe in PSOutputDev::setupResources(Dict*) () from
/usr/lib/libpoppler.so.37
#9  0x00007f859d869077 in PSOutputDev::setupResources(Dict*) () from
/usr/lib/libpoppler.so.37
#10 0x00007f859d869077 in PSOutputDev::setupResources(Dict*) () from
/usr/lib/libpoppler.so.37
#11 0x00007f859d869077 in PSOutputDev::setupResources(Dict*) () from
/usr/lib/libpoppler.so.37
#12 0x00007f859d869077 in PSOutputDev::setupResources(Dict*) () from
/usr/lib/libpoppler.so.37
#13 0x00007f859d869077 in PSOutputDev::setupResources(Dict*) () from
/usr/lib/libpoppler.so.37
#14 0x00007f859d869077 in PSOutputDev::setupResources(Dict*) () from
/usr/lib/libpoppler.so.37
#15 0x00007f859d869077 in PSOutputDev::setupResources(Dict*) () from
/usr/lib/libpoppler.so.37
#16 0x00007f859d8692a0 in PSOutputDev::writeDocSetup(PDFDoc*, Catalog*, int,
int, bool) () from /usr/lib/libpoppler.so.37
#17 0x00007f859d86b618 in PSOutputDev::init(void (*)(void*, char const*, int),
void*, PSFileType, char*, PDFDoc*, int, int, PSOutMode, int, int, int, int,
bool, int, int, bool) () from /usr/lib/libpoppler.so.37
#18 0x00007f859dbb62fe in Poppler::PSConverter::convert() () from
/usr/lib/libpoppler-qt4.so.4
#19 0x00007f859dde8efa in ?? () from /usr/lib/kde4/okularGenerator_poppler.so
#20 0x00007f85a1bde982 in ?? () from /usr/lib/kde4/okularpart.so
#21 0x00007f85a1be9763 in ?? () from /usr/lib/kde4/okularpart.so
---Type <return> to continue, or q <return> to quit---
#22 0x00007f85a1be9b3d in ?? () from /usr/lib/kde4/okularpart.so
#23 0x00007f85b1265ba8 in QMetaObject::activate(QObject*, QMetaObject const*,
int, void**) () from /usr/lib/libQtCore.so.4
#24 0x00007f85b1c4afd2 in QAction::triggered(bool) () from
/usr/lib/libQtGui.so.4
#25 0x00007f85b1c4c9a3 in QAction::activate(QAction::ActionEvent) () from
/usr/lib/libQtGui.so.4
#26 0x00007f85b1c4cafc in QAction::event(QEvent*) () from
/usr/lib/libQtGui.so.4
#27 0x00007f85b289c37f in KAction::event(QEvent*) () from
/usr/lib/libkdeui.so.5
#28 0x00007f85b1c5112c in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() from /usr/lib/libQtGui.so.4
#29 0x00007f85b1c576f0 in QApplication::notify(QObject*, QEvent*) () from
/usr/lib/libQtGui.so.4
#30 0x00007f85b2971f5a in KApplication::notify(QObject*, QEvent*) () from
/usr/lib/libkdeui.so.5
#31 0x00007f85b1251efd in QCoreApplication::notifyInternal(QObject*, QEvent*)
() from /usr/lib/libQtCore.so.4
#32 0x00007f85b1c82456 in ?? () from /usr/lib/libQtGui.so.4
#33 0x00007f85b1c82584 in ?? () from /usr/lib/libQtGui.so.4
#34 0x00007f85b1c589c3 in QApplication::notify(QObject*, QEvent*) () from
/usr/lib/libQtGui.so.4
#35 0x00007f85b2971f5a in KApplication::notify(QObject*, QEvent*) () from
/usr/lib/libkdeui.so.5
#36 0x00007f85b1251efd in QCoreApplication::notifyInternal(QObject*, QEvent*)
() from /usr/lib/libQtCore.so.4
#37 0x00007f85b1ceb729 in ?? () from /usr/lib/libQtGui.so.4
#38 0x00007f85b1cebac9 in ?? () from /usr/lib/libQtGui.so.4
#39 0x00007f85b1cc7a1f in QApplication::x11ProcessEvent(_XEvent*) () from
/usr/lib/libQtGui.so.4
#40 0x00007f85b1cee232 in ?? () from /usr/lib/libQtGui.so.4
#41 0x00007f85ad4a7da6 in g_main_context_dispatch () from
/usr/lib/libglib-2.0.so.0
#42 0x00007f85ad4a80f8 in ?? () from /usr/lib/libglib-2.0.so.0
#43 0x00007f85ad4a819c in g_main_context_iteration () from
/usr/lib/libglib-2.0.so.0
#44 0x00007f85b127eb85 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/lib/libQtCore.so.4
---Type <return> to continue, or q <return> to quit---
#45 0x00007f85b1cee2e6 in ?? () from /usr/lib/libQtGui.so.4
#46 0x00007f85b1250b5f in
QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib/libQtCore.so.4
#47 0x00007f85b1250e55 in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib/libQtCore.so.4
#48 0x00007f85b1255f8b in QCoreApplication::exec() () from
/usr/lib/libQtCore.so.4
#49 0x000000000040825e in ?? ()
#50 0x00007f85b07cca15 in __libc_start_main () from /usr/lib/libc.so.6
#51 0x0000000000408e59 in _start ()


Reproducible: Always

Steps to Reproduce:
1. download KDE reimbursement form from
http://ev.kde.org/resources/expense_report.pdf
2. fill in some fields
3. try to print to file
Actual Results:  
100% cpu usage, okular hangs, nothing gets printed

Expected Results:  
sane CPU usage, something gets printed

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