found some:
http://www.redhat.com/support/docs/faqs/rhl_general_faq/FAQ-4.html#ss4.12
4.17 Signal 11 or Signal 7 problems during install
Question:
During the install, I get a fatal signal 11 or signal 7. What does this mean and what
can I do?
Answer:
Signal 11's and signal 7's are errors indicating a hardware error in memory or on the
bus. This can be due to problems in executables
or with the hardware of the system. The Linux kernel uses a lot more capabilities of
the CPU, Cache, and memory, and is more prone
to faulting on marginal hardware.
The first thing to do is check to see if you have the latest installation and
supplemental floppies from Red Hat. Check the errata for
updates and also the FTP site to see if newer versions are available. If the latest
images still fail, it may be due to hardware. Common
suspects are memory or CPU-cache. Try turning off the CPU-cache in the BIOS and see if
the problem goes away. Also try
swapping memory around in the motherboard slots to see if it is either slot or memory
related.
The premier site on the net for this problem can be found at
http://www.bitwizard.nl/sig11/
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