Kernel selftests: net: udpgro.sh hangs / waits forever on x86_64 and arm32 devices running Linux -next. Test getting PASS on arm64 devices.
Do you see this problem ? Short error log: --------------------- ip6tables v1.6.1: can't initialize ip6tables table `nat': Table does not exist (do you need to insmod?) Short log error with debug, ------------------------------------ + ip netns exec ns-peer-pwnOKK ip6tables -t nat -I PREROUTING -d 2001:db8::1 -j DNAT --to-destination 2001:db8::3 ip6tables v1.6.1: can't initialize ip6tables table `nat': Table does not exist (do you need to insmod?) Perhaps ip6tables or your kernel needs to be upgraded. + pid=3880 + ip netns exec ns-peer-pwnOKK ./udpgso_bench_rx -G -b 2001:db8::1 -n 0 + sleep 0.1 + ip netns exec ns-peer-pwnOKK ./udpgso_bench_rx -b 2001:db8::3 -r -n 10 -l 1452 + ./udpgso_bench_tx -l 4 -6 -D 2001:db8::1 -M 1 -s 14520 -S 0 + kill -INT 3880 ++ jobs -p + wait 3880 3881 # Here it is waiting forever. Long test log, selftests: net: udpgro.sh [ 1009.614607] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 1009.737943] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready ipv4 [ 1010.053106] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 1010.162944] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready no GRO ok no GRO chk cmsg ./udpgso_bench_rx: wrong packet number! got 7, expected 10 [ 1010.562502] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 1010.689950] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready failed [ 1011.066820] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 1011.188955] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready GRO ok [ 1011.550350] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 1011.673963] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready GRO chk cmsg ok [ 1012.117313] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 1012.242831] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready GRO with custom segment size ok [ 1012.621189] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 1012.738940] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 1012.896143] kauditd_printk_skb: 22 callbacks suppressed [ 1012.896143] audit: type=1325 audit(1542288720.207:2489): table=nat family=2 entries=0 [ 1012.909742] audit: type=1300 audit(1542288720.207:2489): arch=c000003e syscall=313 success=yes exit=0 a0=2 a1=418424 a2=0 a3=2 items=0 ppid=7763 pid=21917 auid=4294967295 uid=0 gid=0 euid=0 suid=0 fsuid=0 egid=0 sgid=0 fsgid=0 tty=(none) ses=4294967295 comm=\"modprobe\" exe=\"/bin/kmod\" subj=kernel key=(null) [ 1012.936822] audit: type=1327 audit(1542288720.207:2489): proctitle=2F7362696E2F6D6F6470726F6265002D71002D2D0069707461626C655F6E6174 [ 1012.948653] audit: type=1325 audit(1542288720.175:2490): table=nat family=2 entries=0 [ 1012.956524] audit: type=1300 audit(1542288720.175:2490): arch=c000003e syscall=55 success=yes exit=0 a0=4 a1=0 a2=40 a3=7ffeb4e82700 items=0 ppid=21878 pid=21916 auid=4294967295 uid=0 gid=0 euid=0 suid=0 fsuid=0 egid=0 sgid=0 fsgid=0 tty=ttyS0 ses=4294967295 comm=\"iptables\" exe=\"/usr/sbin/xtables-multi\" subj=kernel key=(null) [ 1012.985334] audit: type=1327 audit(1542288720.175:2490): proctitle=69707461626C6573002D74006E6174002D4900505245524F5554494E47002D64003139322E3136382E312E31002D6A00444E4154002D2D746F2D64657374696E6174696F6E003139322E3136382E312E33 [ 1013.005799] audit: type=1325 audit(1542288720.221:2491): table=nat family=2 entries=5 [ 1013.013652] audit: type=1300 audit(1542288720.221:2491): arch=c000003e syscall=54 success=yes exit=0 a0=4 a1=0 a2=40 a3=b8a870 items=0 ppid=21878 pid=21916 auid=4294967295 uid=0 gid=0 euid=0 suid=0 fsuid=0 egid=0 sgid=0 fsgid=0 tty=ttyS0 ses=4294967295 comm=\"iptables\" exe=\"/usr/sbin/xtables-multi\" subj=kernel key=(null) [ 1013.042023] audit: type=1327 audit(1542288720.221:2491): proctitle=69707461626C6573002D74006E6174002D4900505245524F5554494E47002D64003139322E3136382E312E31002D6A00444E4154002D2D746F2D64657374696E6174696F6E003139322E3136382E312E33 GRO with custom segment size cmsg ok bad GRO lookup ok [ 1013.331549] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 1013.455957] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready ipv6 no GRO ./udpgso_bench_rx: wrong packet number! got 7, expected 10 [ 1013.836277] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 1013.952959] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready failed [ 1014.338978] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 1014.462967] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready no GRO chk cmsg ok [ 1014.839919] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 1014.965962] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready GRO ok [ 1015.334213] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 1015.457938] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready GRO chk cmsg ok [ 1015.823508] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 1015.935954] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready GRO with custom segment size ok [ 1016.332459] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 1016.453954] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready GRO with custom segment size cmsg ok bad GRO lookup ip6tables v1.6.1: can't initialize ip6tables table `nat': Table does not exist (do you need to insmod?) Best regards Naresh Kamboju
