* Re: Network issue on 3.10 rcs, bisected [not found] <CACG0VPV3-x5Ncp+_hci8wVNYUeqAUZ0KFm0MAuHMntXzaL9Nqw@mail.gmail.com> @ 2013-05-29 18:59 ` Pravin Shelar 2013-05-29 19:53 ` Joao Correia 0 siblings, 1 reply; 6+ messages in thread From: Pravin Shelar @ 2013-05-29 18:59 UTC (permalink / raw) To: Joao Correia; +Cc: LKML, davem, netdev On Wed, May 29, 2013 at 4:37 AM, Joao Correia <joaomiguelcorreia@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> Thanks, Pravin. > Please find the attached config used, as well as lshw output. Logs show no > errors. > > I'm willing and able to test fixes. > > Thank you for your time, > Joao Correia > CIUBI > Universidade da Beira Interior > Portugal > > > ^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: Network issue on 3.10 rcs, bisected 2013-05-29 18:59 ` Network issue on 3.10 rcs, bisected Pravin Shelar @ 2013-05-29 19:53 ` Joao Correia 2013-05-30 16:48 ` Pravin Shelar 0 siblings, 1 reply; 6+ messages in thread From: Joao Correia @ 2013-05-29 19:53 UTC (permalink / raw) To: Pravin Shelar; +Cc: LKML, davem, netdev On Wed, May 29, 2013 at 7:59 PM, Pravin Shelar <pshelar@nicira.com> wrote: > > On Wed, May 29, 2013 at 4:37 AM, Joao Correia > <joaomiguelcorreia@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. Thank you for your time, Joao Correia CIUBI Universidade da Beira Interior Portugal ^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: Network issue on 3.10 rcs, bisected 2013-05-29 19:53 ` Joao Correia @ 2013-05-30 16:48 ` Pravin Shelar 2013-05-30 21:14 ` Joao Correia 0 siblings, 1 reply; 6+ messages in thread From: Pravin Shelar @ 2013-05-30 16:48 UTC (permalink / raw) To: Joao Correia; +Cc: LKML, davem, netdev On Wed, May 29, 2013 at 12:53 PM, Joao Correia <joaomiguelcorreia@gmail.com> wrote: > On Wed, May 29, 2013 at 7:59 PM, Pravin Shelar <pshelar@nicira.com> wrote: >> >> On Wed, May 29, 2013 at 4:37 AM, Joao Correia >> <joaomiguelcorreia@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 ^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: Network issue on 3.10 rcs, bisected 2013-05-30 16:48 ` Pravin Shelar @ 2013-05-30 21:14 ` Joao Correia 2013-05-30 23:13 ` Pravin Shelar 0 siblings, 1 reply; 6+ messages in thread From: Joao Correia @ 2013-05-30 21:14 UTC (permalink / raw) To: Pravin Shelar; +Cc: LKML, davem, netdev On Thu, May 30, 2013 at 5:48 PM, Pravin Shelar <pshelar@nicira.com> wrote: > On Wed, May 29, 2013 at 12:53 PM, Joao Correia > <joaomiguelcorreia@gmail.com> wrote: >> On Wed, May 29, 2013 at 7:59 PM, Pravin Shelar <pshelar@nicira.com> wrote: >>> >>> On Wed, May 29, 2013 at 4:37 AM, Joao Correia >>> <joaomiguelcorreia@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 ? Hello Your hint was spot-on. With sg off, i can't reproduce the problem and networking seems fine. It works fine either way on 3.9, so this is a regression for 3.10. Thank you very much for your assistance. Joao Correia CIUBI Universidade da Beira Interior Portugal > > Thanks. > >> Thank you for your time, >> Joao Correia >> CIUBI >> Universidade da Beira Interior >> Portugal ^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: Network issue on 3.10 rcs, bisected 2013-05-30 21:14 ` Joao Correia @ 2013-05-30 23:13 ` Pravin Shelar 2013-05-31 8:26 ` Joao Correia 0 siblings, 1 reply; 6+ messages in thread From: Pravin Shelar @ 2013-05-30 23:13 UTC (permalink / raw) To: Joao Correia; +Cc: LKML, davem, netdev On Thu, May 30, 2013 at 2:14 PM, Joao Correia <joaomiguelcorreia@gmail.com> wrote: > On Thu, May 30, 2013 at 5:48 PM, Pravin Shelar <pshelar@nicira.com> wrote: >> On Wed, May 29, 2013 at 12:53 PM, Joao Correia >> <joaomiguelcorreia@gmail.com> wrote: >>> On Wed, May 29, 2013 at 7:59 PM, Pravin Shelar <pshelar@nicira.com> wrote: >>>> >>>> On Wed, May 29, 2013 at 4:37 AM, Joao Correia >>>> <joaomiguelcorreia@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 ? > > Hello > > Your hint was spot-on. With sg off, i can't reproduce the problem and > networking seems fine. It works fine either way on 3.9, so this is a > regression for 3.10. > Nice. but still this does not look right. Can you tell me driver for the nic? `ethtool -i <dev>` Thanks, Pravin. ^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: Network issue on 3.10 rcs, bisected 2013-05-30 23:13 ` Pravin Shelar @ 2013-05-31 8:26 ` Joao Correia 0 siblings, 0 replies; 6+ messages in thread From: Joao Correia @ 2013-05-31 8:26 UTC (permalink / raw) To: Pravin Shelar; +Cc: LKML, davem, netdev On Fri, May 31, 2013 at 12:13 AM, Pravin Shelar <pshelar@nicira.com> wrote: > On Thu, May 30, 2013 at 2:14 PM, Joao Correia > <joaomiguelcorreia@gmail.com> wrote: >> On Thu, May 30, 2013 at 5:48 PM, Pravin Shelar <pshelar@nicira.com> wrote: >>> On Wed, May 29, 2013 at 12:53 PM, Joao Correia >>> <joaomiguelcorreia@gmail.com> wrote: >>>> On Wed, May 29, 2013 at 7:59 PM, Pravin Shelar <pshelar@nicira.com> wrote: >>>>> >>>>> On Wed, May 29, 2013 at 4:37 AM, Joao Correia >>>>> <joaomiguelcorreia@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 ? >> >> Hello >> >> Your hint was spot-on. With sg off, i can't reproduce the problem and >> networking seems fine. It works fine either way on 3.9, so this is a >> regression for 3.10. >> > Nice. > but still this does not look right. Can you tell me driver for the nic? > `ethtool -i <dev>` ethtool -i eth0: driver: hv_netvsc version: 3.1 firmware-version: N/A bus-info: supports-statistics: no supports-test: no supports-eeprom-access: no supports-register-dump: no supports-priv-flags: no > > Thanks, > Pravin. ^ permalink raw reply [flat|nested] 6+ messages in thread
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[not found] <CACG0VPV3-x5Ncp+_hci8wVNYUeqAUZ0KFm0MAuHMntXzaL9Nqw@mail.gmail.com>
2013-05-29 18:59 ` Network issue on 3.10 rcs, bisected Pravin Shelar
2013-05-29 19:53 ` Joao Correia
2013-05-30 16:48 ` Pravin Shelar
2013-05-30 21:14 ` Joao Correia
2013-05-30 23:13 ` Pravin Shelar
2013-05-31 8:26 ` Joao Correia
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