I kinda feel affected as well. Runnning Natty JEOS in ESXi 4.1U1 with vmxnet3 driver.
[ 6.368040] eth0: intr type 3, mode 0, 2 vectors allocated [ 6.368678] eth0: NIC Link is Up 10000 Mbps [ 6.378754] device eth0 entered promiscuous mode [ 6.400229] Bridge firewalling registered [ 6.405087] ------------[ cut here ]------------ [ 6.405094] WARNING: at /build/buildd/linux-2.6.38/net/core/dev.c:1363 dev_disable_lro+0x7b/0x80() [ 6.405096] Hardware name: VMware Virtual Platform [ 6.405097] Modules linked in: bridge stp floppy parport_pc(+) lp parport vmw_pvscsi vmxnet3 vmxnet [ 6.405104] Pid: 492, comm: brctl Not tainted 2.6.38-8-virtual #42-Ubuntu [ 6.405105] Call Trace: [ 6.405110] [<ffffffff8106576f>] ? warn_slowpath_common+0x7f/0xc0 [ 6.405113] [<ffffffff810657ca>] ? warn_slowpath_null+0x1a/0x20 [ 6.405116] [<ffffffff814e387b>] ? dev_disable_lro+0x7b/0x80 [ 6.405120] [<ffffffffa006f47e>] ? br_add_if+0x23e/0x2e0 [bridge] [ 6.405124] [<ffffffffa006fc55>] ? add_del_if+0x75/0x90 [bridge] [ 6.405127] [<ffffffffa00704f3>] ? br_dev_ioctl+0x43/0x60 [bridge] [ 6.405130] [<ffffffff814eb087>] ? dev_ifsioc+0x117/0x2f0 [ 6.405132] [<ffffffff814eb450>] ? dev_ioctl+0x1f0/0x300 [ 6.405136] [<ffffffff8113023d>] ? handle_mm_fault+0x16d/0x250 [ 6.405140] [<ffffffff814d155d>] ? sock_do_ioctl+0x5d/0x70 [ 6.405142] [<ffffffff814d1986>] ? sock_ioctl+0x76/0x2e0 [ 6.405146] [<ffffffff8118238f>] ? mntput+0x1f/0x30 [ 6.405150] [<ffffffff8117568f>] ? do_vfs_ioctl+0x8f/0x320 [ 6.405152] [<ffffffff811759b1>] ? sys_ioctl+0x91/0xa0 [ 6.405155] [<ffffffff8100bfc2>] ? system_call_fastpath+0x16/0x1b [ 6.405157] ---[ end trace 2f0951e9410d1c60 ]--- [ 6.453118] br0: port 1(eth0) entering learning state [ 6.453121] br0: port 1(eth0) entering learning state -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/754740 Title: sysctl cannot disable LRO when using vmxnet3 module -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs