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firefax hangs in remote desktop when another user logs in on the console

Posted

When I work with remote desktop on a windows 7 pc I could always use firefox without any problem, even when someone else was logged in on the same windows 7 machine. Siince the update of firefox to version 13, ff hangs in the remote desktop session as soon as someone else logs in on the wndows 7 console.

Additional System Details

This happened

Every time Firefox opened

This started when...

update to version 13.

Installed Plug-ins

Ingeschakelde plug-ins Vind meer informatie over browserplug-ins op mozilla.org. Vind updates voor geïnstalleerde plug-ins op mozilla.com/plugincheck. Hulp bij het installeren van plug-ins is beschikbaar op plugindoc.mozdev.org. Shockwave Flash

   Bestand: NPSWF32_11_3_300_257.dll
   Versie: 11.3.300.257
   Shockwave Flash 11.3 r300

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   Bestand: npgeplugin.dll
   Versie: 6.2.0.5788
   GEPlugin

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   Bestand: npctrl.dll
   Versie: 5.1.10411.0
   5.1.10411.0

MIME-type Beschrijving Achtervoegsels application/x-silverlight npctrl scr application/x-silverlight-2 Java Deployment Toolkit 7.0.40.255

   Bestand: npDeployJava1.dll
   Versie: 10.4.1.255
   NPRuntime Script Plug-in Library for Java(TM) Deploy

MIME-type Beschrijving Achtervoegsels application/java-deployment-toolkit Java(TM) Platform SE 7 U4

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   Versie: 10.4.1.255
   Next Generation Java Plug-in 10.4.1 for Mozilla browsers

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   Bestand: nppdf32.dll
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   Adobe PDF Plug-In For Firefox and Netscape "9.5.1"

MIME-type Beschrijving Achtervoegsels application/pdf Acrobat Portable Document Format pdf application/vnd.adobe.pdfxml Adobe PDF in XML Format pdfxml application/vnd.adobe.x-mars Adobe PDF in XML Format mars application/vnd.fdf Acrobat Forms Data Format fdf application/vnd.adobe.xfdf XML Version of Acrobat Forms Data Format xfdf application/vnd.adobe.xdp+xml Acrobat XML Data Package xdp application/vnd.adobe.xfd+xml Adobe FormFlow99 Data File xfd Google Update

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   iTunes Detector Plug-in

MIME-type Beschrijving Achtervoegsels application/itunes-plugin This plug-in detects the presence of iTunes when opening iTunes Store URLs in a web page with Firefox. DivX Plus Web Player

   Bestand: npdivx32.dll
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   The QuickTime Plugin allows you to view a wide variety of multimedia content in Web pages. For more information, visit the QuickTime Web site.

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   Bestand: npqtplugin6.dll
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   The QuickTime Plugin allows you to view a wide variety of multimedia content in Web pages. For more information, visit the QuickTime Web site.

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   Bestand: npqtplugin5.dll
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   The QuickTime Plugin allows you to view a wide variety of multimedia content in Web pages. For more information, visit the QuickTime Web site.

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   The QuickTime Plugin allows you to view a wide variety of multimedia content in Web pages. For more information, visit the QuickTime Web site.

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   Bestand: npqtplugin3.dll
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   The QuickTime Plugin allows you to view a wide variety of multimedia content in Web pages. For more information, visit the QuickTime Web site.

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   Bestand: npqtplugin2.dll
   Versie: 7.7.1.0
   The QuickTime Plugin allows you to view a wide variety of multimedia content in Web pages. For more information, visit the QuickTime Web site.

MIME-type Beschrijving Achtervoegsels audio/aiff AIFF-audio aiff,aif,aifc,cdda audio/x-aiff AIFF-audio aiff,aif,aifc,cdda audio/basic uLaw/AU-audio au,snd,ulw audio/mid MIDI mid,midi,smf,kar audio/x-midi MIDI mid,midi,smf,kar audio/midi MIDI mid,midi,smf,kar audio/vnd.qcelp QUALCOMM PureVoice audio qcp QuickTime Plug-in 7.7.1

   Bestand: npqtplugin.dll
   Versie: 7.7.1.0
   The QuickTime Plugin allows you to view a wide variety of multimedia content in Web pages. For more information, visit the QuickTime Web site.

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   Bestand: NPWLPG.dll
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   NPWLPG

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   Bestand: np32dsw.dll
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   Adobe Shockwave for Director Netscape plug-in, version 11.5.8.612

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Application

  • User Agent: Mozilla/5.0 (Windows NT 5.1; rv:13.0) Gecko/20100101 Firefox/13.0.1

More Information

Toepassingsbasics
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Map tonen
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about:plugins
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about:buildconfig
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Grafisch
JavaScript
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Bibliotheekversies

ffek 0 solutions 1 answers

To be specific, this problem occurs in a multiple concurrent user configuration (=hack), where the RDC user and console users are simultaneous users. Firefox will hang, using 50% of the CPU. As soon as the RDC user walks over to the console and switches to that user the hang is released. The behavior is new to v13 and is highly reproducible.

For more info on multiple concurrent users: http://www.missingremote.com/guide/how-enable-concurrent-sessions-windows-7-service-pack-1-rtm

Question owner

In my case, ff is not using any extra cpu time and it even hangs when the user on the console is not using ff at all. It looks lik esome console related deadlock.