On Wed, Nov 22, 2017 at 2:24 PM, Florian Westphal <f...@strlen.de> wrote: > Hi. > > We are experiencing broken ipv6 connectivity with 4.14 kernel > on arm64 with thunderx. > > ping6 still works, but it looks like tcp syn packets get sent > with a wrong checksum -- socket remains in SYN-SENT state. > > after running > > ethtool -K enP2p1s0f1 tx-checksum-ipv6 off > > ipv6 tcp appears to works fine. > > # ethtool -i enP2p1s0f1 > driver: thunder-nicvf > version: 1.0 > firmware-version: > expansion-rom-version: > bus-info: 0002:01:00.1 > supports-statistics: yes > supports-test: no > supports-eeprom-access: no > supports-register-dump: yes > supports-priv-flags: no > > [0.000000] Boot CPU: AArch64 Processor [431f0a10] > [0.000000] Machine model: cavium,thunder-88xx > [0.000000] efi: Getting EFI parameters from FDT: > [0.000000] efi: EFI v2.40 by Cavium Thunder cn88xx EFI > ThunderX-Firmware-Release-1.22.17 Sep 21 2017 14:26:28 > [0.000000] efi: ACPI=0xffff0000 ACPI 2.0=0xffff0014 SMBIOS=0xffef0000 > SMBIOS 3.0=0x10ffaf30000 ESRT=0x10fff673e18 > > What other information do you need to debug this?
We have a fix ready for this, will submit upstream asap. Thanks, Sunil. > > Thanks, > Florian
