On 02/16/2014 02:00 PM, Daniel Borkmann wrote:
It's a kernel bug in the VM subsystem, dealing with transparent
hugepages.
A patch was submitted but is so far not yet included, I'll ask for a
status
update on lkml so that we get this sorted out.
Meanwhile you can compile your kernel with THP turned off.
Thanks for the info, I found the thread and I will follow it.
Does disabling thp at boot time or through sysctl work for you? It
doesn't for me, and I'm not such a fan of kernel recompiling as pastime.
Decently recent libpcap use the same mmap mechanism, but I see that you
have the problem in allocating the TX buffer, which libpcap doesn't do,
right?
Lorenzo.
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