[Bug 561210] Re: Writing big files to NFS target causes system lock up

[Tim Gardner]

JimWright - I never did manage to reproduce your lockup using a VM, but
I was able to do it on bare metal; a dual CPU 6 core machine (24
threads) with 16GB RAM. It took 48 instances of 'dd if=/dev/zero
of=test.$i bs=1M count=512' over an NFS local mount to get it to lockup
(after about 5 attempts). Nothing is leaping out at me in the dmesg. See
attached.

** Attachment added: "dmesg.txt"
   https://bugs.edge.launchpad.net/ubuntu/+source/linux/+bug/561210/+attachment/1532790/+files/dmesg.txt

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Writing big files to NFS target causes system lock up
https://bugs.launchpad.net/bugs/561210
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