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...device, and then rsync many files to the volume, delete them, and repeat until the crash. Mount a linux iso via loopback on a /mnt/test, rsync /mnt/test/ to another directory on xvda3, delete the files, and then repeat until the crash. This is very similar to the following situation: http://www.amailbox.org/mailarchive/linux-kernel/2010/9/1/4614107 Jeremy Fitzhardinge replied to that thread, indicating that his "xen: use percpu interrupts for IPIs and VIRQs" and "xen: handle events as edge-triggered" patches should fix the issue. These were introduced into 2.6.36-rc3, I believ...

...9:01.240946 after a packet of length 2856. These do not occur on the server with the e1000e driver, where all the packets top out at 1428. They always occur on the two servers with the igb driver where the poor throughput is observed. I'm wondering if I am hitting something like this: http://amailbox.org/mailarchive/linux-kvm/2010/2/2/6257539/thread I have played with disabling and enabling GSO and checksums on every interface I can, both in dom0 and domUs, and that makes no difference. Can anyone confirm that that is the issue here? I don't at present have another machine with igb NICs a...

...et of length 2856. These do not occur on the server with the e1000e driver, where all the packets top out at 1428. They are always sporadically present on the two servers with the igb driver where the poor throughput is observed. I''m wondering if I am hitting something like this: http://amailbox.org/mailarchive/linux-kvm/2010/2/2/6257539/thread I have played with disabling and enabling GSO and checksums on every interface I can, both in dom0 and domUs, and that makes no difference. Can anyone confirm that that is the issue here? I don''t at present have another machine with igb N...