Hi Kamal, thanks for puting together a PPA with the test kernel but unfortunately I had the same results:
Linux runtime-common 4 3.13.0-40-generic #68+g73d3fe6-Ubuntu SMP Tue Nov 11 16:39:20 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux GRO enabled: [email protected] ~# for i in {1..3}; do ab -n 10 $URL | grep "Transfer rate"; done Transfer rate: 47312.68 [Kbytes/sec] received Transfer rate: 82794.75 [Kbytes/sec] received Transfer rate: 68697.54 [Kbytes/sec] received GRO disabled: [email protected] ~# ethtool -K eth0 gro off [email protected] ~# for i in {1..3}; do ab -n 10 $URL | grep "Transfer rate"; done Transfer rate: 81509.55 [Kbytes/sec] received Transfer rate: 82609.47 [Kbytes/sec] received Transfer rate: 90442.16 [Kbytes/sec] received Regards, Rodrigo. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1391339 Title: Trusty kernel inbound network performance regression when GRO is enabled To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1391339/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
