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Followed this tutorial How to install Iceweasel 4 on Debian? in attempt to install iceweasel 4 on my debian 6 "Squeeze" machine.
After installation it seems that I can only open the first instance of iceweasel from Applications/Internet, but not from commmand line.
Trying to open it from command line results in this error:

/usr/lib/iceweasel/firefox-bin: symbol lookup error: /usr/lib/libcairo.so.2: undefined symbol: FT_Library_SetLcdFilter

If iceweasel instance is already running I am able to open a new instance of iceweasel from command line without any errors.

Edit: I am using Gnome window manager in this setup

Any ideas?

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closed as too localized by Caleb, Gilles, xenoterracide May 28 '11 at 14:13

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Strange. You are saying that it crashes with this error if you try to run it from the command line, but not from a menu? –  Faheem Mitha May 27 '11 at 16:21
What version of libcairo2 do you have installed? I'm trying to reproduce this. –  Faheem Mitha May 27 '11 at 16:28
I can't reproduce this. Iceweasel 4 from mozilla.debian.net works fine for me. Do you have libcairo2 1.10.2-1.1~bpo60+1 installed? –  Faheem Mitha May 27 '11 at 16:39
If you don't, try doing apt-get install -t squeeze-backports libcairo2 –  Faheem Mitha May 27 '11 at 16:41
This question being both "solved" and unanswered prompted me to ask on meta about how to handle it here. –  Caleb May 28 '11 at 11:17

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