Emil, Thanks for your response. After rebuilding the 3.13.11 kernel with the patch, the system freezes when enabling forwarding. Have you seen this behavior with the patch applied? I'll try the updated driver on the SF next.
Dan On Thu, May 8, 2014 at 1:55 PM, Tantilov, Emil S <[email protected]> wrote: >>-----Original Message----- >>From: Daniel S. Cohen [mailto:[email protected]] >>Sent: Thursday, May 08, 2014 10:10 AM >>To: [email protected] >>Subject: [E1000-devel] Issues with x520/ixgbe when enabling >>forwarding >> >>Hello, >> >>I have a pair of Dell PowerEdge R720s running Fedora 20 and >>a 3.13.11 >>kernel built from kernel.org. The system has 7 dual port x520 cards, >>and becomes unstable when I enable forwarding. >> >>system details: >> >># ethtool -i eth0 >>driver: ixgbe >>version: 3.15.1-k >>firmware-version: 0x80000656 >>bus-info: 0000:03:00.0 >>supports-statistics: yes >>supports-test: yes >>supports-eeprom-access: yes >>supports-register-dump: yes >>supports-priv-flags: no > > This is a known bug in ixgbe where ndo_start_xmit can be called while the > driver is resetting. This is pretty easy to see when using netconsole. > > This is the upstream patch: > https://git.kernel.org/cgit/linux/kernel/git/davem/net-next.git/commit/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c?id=cdc04dcce0598fead6029a2f95e95a4d2ea419c2 > > It is also resolved in the current ixgbe version on SF. > > Thanks, > Emil > ------------------------------------------------------------------------------ Is your legacy SCM system holding you back? Join Perforce May 7 to find out: • 3 signs your SCM is hindering your productivity • Requirements for releasing software faster • Expert tips and advice for migrating your SCM now http://p.sf.net/sfu/perforce _______________________________________________ E1000-devel mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/e1000-devel To learn more about Intel® Ethernet, visit http://communities.intel.com/community/wired
