are you accessing HTTPS?

Yes. I tried both the yahoo urls you posted. 

[22:06:16.45] P:\test>perl -MNET::SSLeay -MLWP -le"print length LWP::U
+serAgent->new()->get( 'https://www.yahoo.com')->content"
31091

[download]
We are using perl 5.8.0 under RedHat.

The OS doesn't matter in this case. iThreads were quite badly broken on all platforms prior to 5.8.3.

Examine what is said, not who speaks.
"Efficiency is intelligent laziness." -David Dunham
"Think for yourself!" - Abigail        "Time is a poor substitute for thought"--theorbtwo
"Memory, processor, disk in that order on the hardware side. Algorithm, algorithm, algorithm on the code side." - tachyon

In reply to Re^3: Segmentation fault using LWP and threads by BrowserUk
in thread Segmentation fault using LWP and threads by MarkSWarren

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