On Wed, May 29, 2013 at 12:53 PM, Joao Correia <joaomiguelcorr...@gmail.com> wrote: > On Wed, May 29, 2013 at 7:59 PM, Pravin Shelar <pshe...@nicira.com> wrote: >> >> On Wed, May 29, 2013 at 4:37 AM, Joao Correia >> <joaomiguelcorr...@gmail.com> wrote: >> > Hello list >> > >> > While trying the rc's for 3.10, i've stumbled upon a problem where >> > networking does not work at all. Iptables will show packet counts going up, >> > but nothing actually reaches the programs. >> > >> > I'm running fedora under hyper-v 3 (a windows 2012 host). Only tested ipv4 >> > traffic, and everything times out (ping, telnet to open ports) on both >> > directions. The networking devices come up apparently ok - has static ip >> > set, and dmesg shows no errors (although i don't have many debugging >> > options >> > enabled). >> > >> > I bisected this, and git blames commit >> > ec5f061564238892005257c83565a0b58ec79295 (net: ill link between CSUM and SG >> > features.). I can't revert it cleanly on current rc's. >> > >> Can you also send network features set on the device? >> ethtool -k <dev> > > > As requested: > Features for eth0: > rx-checksumming: off [fixed] > tx-checksumming: off > tx-checksum-ipv4: off [fixed] > tx-checksum-ip-generic: off [fixed] > tx-checksum-ipv6: off [fixed] > tx-checksum-fcoe-crc: off [fixed] > tx-checksum-sctp: off [fixed] > scatter-gather: on > tx-scatter-gather: on > tx-scatter-gather-fraglist: off [fixed] > tcp-segmentation-offload: off > tx-tcp-segmentation: off [fixed] > tx-tcp-ecn-segmentation: off [fixed] > tx-tcp6-segmentation: off [fixed] > udp-fragmentation-offload: off [fixed] > generic-segmentation-offload: on > generic-receive-offload: on > large-receive-offload: off [fixed] > rx-vlan-offload: off > tx-vlan-offload: on > ntuple-filters: off [fixed] > receive-hashing: off [fixed] > highdma: off [fixed] > tx-vlan-ctag-hw-insert: on [fixed] > rx-vlan-ctag-hw-parse: off [fixed] > rx-vlan-ctag-filter: off [fixed] > tx-vlan-stag-hw-insert: off [fixed] > rx-vlan-stag-hw-parse: off [fixed] > rx-vlan-stag-filter: off [fixed] > vlan-challenged: off [fixed] > tx-lockless: off [fixed] > netns-local: off [fixed] > tx-gso-robust: off [fixed] > tx-fcoe-segmentation: off [fixed] > tx-gre-segmentation: off [fixed] > tx-udp_tnl-segmentation: off [fixed] > fcoe-mtu: off [fixed] > tx-nocache-copy: off > loopback: off [fixed] > rx-fcs: off [fixed] > rx-all: off [fixed] > > The output is similar on a working (3.9) and a bad (3.10) kernel. > diff-ing both outputs shows: > tx-vlan-stag-hw-insert: off [fixed] > rx-vlan-stag-hw-parse: off [fixed] > rx-vlan-stag-filter: off [fixed] > as last on the broken kernels. >
I could not reproduce it, I will try it on VM. Meanwhile can you turn off feature "sg" and try same test ? Thanks. > Thank you for your time, > Joao Correia > CIUBI > Universidade da Beira Interior > Portugal -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
