Tony's ramblings on Open Source Software, Life and Photography

64bit

Adobe Air on AMD 64

I've just upgraded my computer to a new quad-core AMD64 system and did a fresh install of Ubuntu Karmic 64 bit. My old tutorial on getting Tweetdeck working still mostly applies.

My old dual-core AMD64 that was about 3 years old worked just fine with Adobe AIR, but with a newer AMD 64 CPU, Adobe AIR will segmentation fault when you try to run the application installer. This means you can install AIR just fine, but you can't install any programs that actually USE it.

I've tested versions of AIR including 1.5, 1.5.1 and the latest 1.5.2 and all three segfault running the installer.

HOWEVER - the Beta 2 of AIR works just fine with it.

Now, if you previously had TweetDeck working, you might need to uninstall anything AIR, including AIR, then delete the ~/.appdata directory. Afterwards, do a fresh install of Air followed by Tweetdeck. I had originally copied my home directory from my old computer and then tried to reinstall Tweetdeck and Tweetdeck initially complained that it wouldn't run on my computer.


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Adobe Acrobat Reader in 64 bit Ubuntu

Some time ago I installed the official version 9.1 of Acrobat reader on my 64-bit Ubuntu desktop. If I remember correctly I had downloaded the distro-independent installer from Acrobat's website.

A few months ago an update to Firefox caused it to crash if Firefox were open at the same time. It took me a while to realize that was what caused it. At first I just realized that if I ever tried to open a PDF file from a web page it crashed, but other times it worked fine. Finally I realized the other times were any time that Firefox wasn't open.

A bit of Googling led me to a few threads about a known issue with Adobe 9 that caused this. Well, kudos to the Adobe guys because they listened, found and fixed the problem. Adobe 9.1.2 fixes the problem.

Since I'm running a 64 bit OS and Adobe only releases 32 bit Linux versions, I had to force the install of the Debian package by doing:

sudo dpkg -i --force-all AdbeRdr*

Now, no more crashes with PDF's. Yes, I know I could use eVince in Linux to natively display PDF files, but I've found a few display bugs with more complex PDF's and when Adobe is kind enough to produce a Linux version, I might as well use it.


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