1306951 - broken text rendering in specific PDF

Status: RESOLVED FIXED

(Firefox :: PDF Viewer, defect)

Description

[Clemens Eisserer]

Attachment: broken_text.png

User Agent: Mozilla/5.0 (X11; Linux x86_64; rv:50.0) Gecko/20100101 Firefox/50.0
Build ID: 20160929120120

Steps to reproduce:

Opened: http://www.informatik.tuwien.ac.at/dekanat/Herbert.pdf


Actual results:

Parts of the text are rendered quite ugly, the document is really hard to read.
Evince, Foxit-PDF and AcrobatReader all render the file without any glitches.


Expected results:

text should be readable

Comment 1

[Alice0775 White]

@reporter

Could you attach results of about:support (Help > Troubleshooting Information)?

Comment 2

[Clemens Eisserer]

Allgemeine Informationen
------------------------

Name: Firefox
Version: 50.0b3
Build-ID: 20160929120120
Update-Kanal: beta
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:50.0) Gecko/20100101 Firefox/50.0
Betriebssystem: Linux 4.7.4-200.fc24.x86_64
Fenster mit mehreren Prozessen: 1/1 (aktiviert durch Benutzer)
Abgesicherter Modus: false

Absturzberichte der letzten 3 Tage
----------------------------------

Meldungs-ID: bp-600ea884-96dd-4868-a09e-0cb362161001
Gesendet: vor 13 Stunden

Meldungs-ID: bp-4d5baa83-f910-4f24-b719-4d4992161001
Gesendet: vor 1 Tag

Meldungs-ID: bp-840e4e33-4b69-498e-a1d8-d29db2160929
Gesendet: vor 3 Tagen

Alle Absturzberichte

Erweiterungen
-------------

Name: Multi-process staged rollout
Version: 1.3
Aktiviert: true
ID: [e-mail]

Name: Pocket
Version: 1.0.5
Aktiviert: true
ID: [e-mail]

Name: Web Compat
Version: 1.0
Aktiviert: true
ID: [e-mail]

Name: Adblock Plus
Version: 2.7.3
Aktiviert: false
ID: {d10d0bf8-f5b5-c8b4-a8b2-2b9879e08c5d}

Name: boost project boost-Bar
Version: 0.9.8.1-signed.1-signed
Aktiviert: false
ID: jid1-43E5o59FVrjLig@jetpack

Name: Google search link fix
Version: 1.5.4
Aktiviert: false
ID: jid0-XWJxt5VvCXkKzQK99PhZqAn7Xbg@jetpack

Name: Greasemonkey
Version: 3.9
Aktiviert: false
ID: {e4a8a97b-f2ed-450b-b12d-ee082ba24781}

Name: Lightbeam
Version: 1.3.1
Aktiviert: false
ID: jid1-F9UJ2thwoAm5gQ@jetpack

Name: SQLite Manager
Version: 0.8.3.1-signed.1-signed
Aktiviert: false
ID: [e-mail]

Name: User Agent Overrider
Version: 0.4.1
Aktiviert: false
ID: [e-mail]

Grafik
------

Allgemeine Merkmale
Compositing: OpenGL
Asynchrones Wischen und Zoomen: Mausrad-Eingabe aktiviert; Berührungs-Eingabe aktiviert
WebGL-Renderer: Intel Open Source Technology Center -- Mesa DRI Intel(R) Haswell Mobile
WebGL2-Renderer: (no info)
H264-Dekodierung durch Hardware: No
Audio-Back-End: pulse
GPU 1
Aktiv: Ja
Beschreibung: Intel Open Source Technology Center -- Mesa DRI Intel(R) Haswell Mobile
Herstellerkennung: Intel Open Source Technology Center
Gerätekennung: Mesa DRI Intel(R) Haswell Mobile
Treiber-Version: 3.0 Mesa 12.0.3

Weitere Informationen
AzureCanvasAccelerated: 1
AzureCanvasBackend: skia
AzureContentBackend: cairo
AzureFallbackCanvasBackend: none
CairoUseXRender: 0
Entscheidungsprotokoll
HW_COMPOSITING:
blocked by default: Acceleration blocked by platform
force_enabled by user: Force-enabled by pref




Wichtige modifizierte Einstellungen
-----------------------------------

accessibility.typeaheadfind.flashBar: 0
browser.cache.disk.capacity: 1048576
browser.cache.disk.filesystem_reported: 1
browser.cache.disk.hashstats_reported: 1
browser.cache.disk.smart_size_cached_value: 358400
browser.cache.disk.smart_size.enabled: false
browser.cache.disk.smart_size.first_run: false
browser.cache.disk.smart_size.use_old_max: false
browser.cache.frecency_experiment: 3
browser.download.importedFromSqlite: true
browser.download.useDownloadDir: false
browser.places.smartBookmarksVersion: 8
browser.sessionstore.upgradeBackup.latestBuildID: 20160929120120
browser.startup.homepage_override.buildID: 20160929120120
browser.startup.homepage_override.mstone: 50.0
browser.tabs.crashReporting.email: [e-mail]
browser.tabs.crashReporting.emailMe: true
browser.tabs.crashReporting.includeURL: true
browser.tabs.remote.autostart: true
browser.tabs.remote.force-enable: true
browser.tabs.warnOnClose: false
browser.urlbar.userMadeSearchSuggestionsChoice: true
dom.apps.lastUpdate.buildID: 20160916101415
dom.apps.lastUpdate.mstone: 49.0
dom.apps.reset-permissions: true
dom.disable_open_during_load: false
dom.ipc.processCount: 4
dom.mozApps.used: true
extensions.lastAppVersion: 50.0
font.internaluseonly.changed: false
gfx.canvas.azure.accelerated: true
gfx.crash-guard.glcontext.appVersion: 45.0
gfx.crash-guard.glcontext.deviceID: Mesa DRI Intel(R) Haswell Mobile
gfx.crash-guard.glcontext.driverVersion: 3.0 Mesa 11.1.0 (git-525f3c2)
gfx.crash-guard.status.glcontext: 2
javascript.options.mem.gc_incremental: false
layers.acceleration.force-enabled: true
layers.offmainthreadcomposition.testing.enabled: true
media.gmp-gmpopenh264.abi: x86_64-gcc3
media.gmp-gmpopenh264.lastUpdate: 1471290657
media.gmp-gmpopenh264.version: 1.6
media.gmp-manager.buildID: 20160929120120
media.gmp-manager.lastCheck: 1475400326
media.gmp.storage.version.observed: 1
media.youtube-ua.override: false
network.cookie.lifetimePolicy: 2
network.cookie.prefsMigrated: true
network.predictor.cleaned-up: true
places.database.lastMaintenance: 1447679059
places.history.expiration.transient_current_max_pages: 91981
plugin.disable_full_page_plugin_for_types: application/pdf
plugin.importedState: true
plugin.soname.list: libXt.so:libXext.so
plugins.notifyMissingFlash: false
print.print_bgcolor: false
print.print_bgimages: false
print.print_colorspace: default
print.print_downloadfonts: false
print.print_duplex: 0
print.print_evenpages: true
print.print_in_color: true
print.print_margin_bottom: 0.5
print.print_margin_left: 0.5
print.print_margin_right: 0.5
print.print_margin_top: 0.5
print.print_oddpages: true
print.print_orientation: 0
print.print_page_delay: 50
print.print_paper_data: 0
print.print_paper_height: 279.40
print.print_paper_name: na_letter
print.print_paper_size_type: 1
print.print_paper_size_unit: 1
print.print_paper_width: 215.90
print.print_plex_name: default
print.print_resolution_name: default
print.print_scaling: 1.00
print.print_shrink_to_fit: true
print.print_to_file: false
print.print_unwriteable_margin_bottom: 56
print.print_unwriteable_margin_left: 25
print.print_unwriteable_margin_right: 25
print.print_unwriteable_margin_top: 25
print.tmp.printerfeatures.PostScript/default.can_change_colorspace: false
print.tmp.printerfeatures.PostScript/default.can_change_downloadfonts: false
print.tmp.printerfeatures.PostScript/default.can_change_jobtitle: false
print.tmp.printerfeatures.PostScript/default.can_change_num_copies: true
print.tmp.printerfeatures.PostScript/default.can_change_orientation: true
print.tmp.printerfeatures.PostScript/default.can_change_paper_size: true
print.tmp.printerfeatures.PostScript/default.can_change_plex: false
print.tmp.printerfeatures.PostScript/default.can_change_printincolor: true
print.tmp.printerfeatures.PostScript/default.can_change_resolution: false
print.tmp.printerfeatures.PostScript/default.can_change_spoolercommand: true
print.tmp.printerfeatures.PostScript/default.colorspace.0.name: default
print.tmp.printerfeatures.PostScript/default.colorspace.count: 1
print.tmp.printerfeatures.PostScript/default.has_special_printerfeatures: true
print.tmp.printerfeatures.PostScript/default.orientation.0.name: portrait
print.tmp.printerfeatures.PostScript/default.orientation.1.name: landscape
print.tmp.printerfeatures.PostScript/default.orientation.count: 2
print.tmp.printerfeatures.PostScript/default.paper.0.height_mm: 210
print.tmp.printerfeatures.PostScript/default.paper.0.is_inch: false
print.tmp.printerfeatures.PostScript/default.paper.0.name: A5
print.tmp.printerfeatures.PostScript/default.paper.0.width_mm: 148
print.tmp.printerfeatures.PostScript/default.paper.1.height_mm: 297
print.tmp.printerfeatures.PostScript/default.paper.1.is_inch: false
print.tmp.printerfeatures.PostScript/default.paper.1.name: A4
print.tmp.printerfeatures.PostScript/default.paper.1.width_mm: 210
print.tmp.printerfeatures.PostScript/default.paper.2.height_mm: 420
print.tmp.printerfeatures.PostScript/default.paper.2.is_inch: false
print.tmp.printerfeatures.PostScript/default.paper.2.name: A3
print.tmp.printerfeatures.PostScript/default.paper.2.width_mm: 297
print.tmp.printerfeatures.PostScript/default.paper.3.height_mm: 279
print.tmp.printerfeatures.PostScript/default.paper.3.is_inch: true
print.tmp.printerfeatures.PostScript/default.paper.3.name: Letter
print.tmp.printerfeatures.PostScript/default.paper.3.width_mm: 215
print.tmp.printerfeatures.PostScript/default.paper.4.height_mm: 355
print.tmp.printerfeatures.PostScript/default.paper.4.is_inch: true
print.tmp.printerfeatures.PostScript/default.paper.4.name: Legal
print.tmp.printerfeatures.PostScript/default.paper.4.width_mm: 215
print.tmp.printerfeatures.PostScript/default.paper.5.height_mm: 431
print.tmp.printerfeatures.PostScript/default.paper.5.is_inch: true
print.tmp.printerfeatures.PostScript/default.paper.5.name: Tabloid
print.tmp.printerfeatures.PostScript/default.paper.5.width_mm: 279
print.tmp.printerfeatures.PostScript/default.paper.6.height_mm: 254
print.tmp.printerfeatures.PostScript/default.paper.6.is_inch: true
print.tmp.printerfeatures.PostScript/default.paper.6.name: Executive
print.tmp.printerfeatures.PostScript/default.paper.6.width_mm: 190
print.tmp.printerfeatures.PostScript/default.paper.count: 7
print.tmp.printerfeatures.PostScript/default.plex.0.name: default
print.tmp.printerfeatures.PostScript/default.plex.count: 1
print.tmp.printerfeatures.PostScript/default.resolution.0.name: default
print.tmp.printerfeatures.PostScript/default.resolution.count: 1
print.tmp.printerfeatures.PostScript/default.supports_colorspace_change: false
print.tmp.printerfeatures.PostScript/default.supports_downloadfonts_change: false
print.tmp.printerfeatures.PostScript/default.supports_jobtitle_change: false
print.tmp.printerfeatures.PostScript/default.supports_orientation_change: true
print.tmp.printerfeatures.PostScript/default.supports_paper_size_change: true
print.tmp.printerfeatures.PostScript/default.supports_plex_change: false
print.tmp.printerfeatures.PostScript/default.supports_printincolor_change: true
print.tmp.printerfeatures.PostScript/default.supports_resolution_change: false
print.tmp.printerfeatures.PostScript/default.supports_spoolercommand_change: true
privacy.donottrackheader.enabled: true
privacy.sanitize.migrateClearSavedPwdsOnExit: true
privacy.sanitize.migrateFx3Prefs: true
security.default_personal_cert: Select Automatically
services.sync.declinedEngines:
storage.vacuum.last.index: 0
storage.vacuum.last.places.sqlite: 1445950136

Wichtige nicht veränderbare Einstellungen
-----------------------------------------

Chronik- und Lesezeichendatenbank
---------------------------------

JavaScript
----------

Inkrementelle GC: false

Barrierefreiheit
----------------

Aktiviert: false
Barrierefreiheit verhindern: 0

Bibliotheken-Versionen
----------------------

NSPR
Minimal vorausgesetzte Version: 4.12
Verwendete Version: 4.12

NSS
Minimal vorausgesetzte Version: 3.26.1
Verwendete Version: 3.26.1

NSSSMIME
Minimal vorausgesetzte Version: 3.26.1
Verwendete Version: 3.26.1

NSSSSL
Minimal vorausgesetzte Version: 3.26.1
Verwendete Version: 3.26.1

NSSUTIL
Minimal vorausgesetzte Version: 3.26.1
Verwendete Version: 3.26.1

Experimentelle Funktionen
-------------------------

Isolierte Umgebungen
--------------------

Seccomp-BPF (Filtern von Systemaufrufen): true
Seccomp-Thread-Synchronisierung: true
User-Namespaces: true
Medienplugins in isolierter Umgebung: true

Comment 3

[Brendan Dahl [:bdahl]]

This seems to look fine these days. Closing, but let me know if there's still an issue and I'll reopen.