Pedro Martelletto wrote:
Federico,
Your diagnosis is correct, that freeze can be the result of reaching the
limit for UVM amap allocations. These get used by the kernel to describe
anonymous memory mappings, and mmap malloc() puts the UVM subsystem
under a higher load of those, eventually reaching the limit. Until an
appropriate solution is found, you can try bumping the number of pages
in the kernel's memory map (NKMEMPAGES).
I have just installed a new 3.9-stable kernel with doubled
NKMEMPAGES_MAX (and maxusers).
I'll keep you informed if this solved the problem...
Bye.
P.S.
It seems to me that under amd64 the "UVM Amap" usage is much higher then
under i386. So, even if by default the limit is the double of the i386,
it seems not enough.
--
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|ederico Giannici http://www.neomedia.it
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