make -C tools/testing/selftests TARGETS="net" TEST_PROGS=fib_tests.sh TESTT_GEN_PROGS="" run_tests make: Entering directory '/home/virtme/testing-1/tools/testing/selftests' make[1]: Entering directory '/home/virtme/testing-1/tools/testing/selftests/net' make[1]: Nothing to be done for 'all'. make[1]: Leaving directory '/home/virtme/testing-1/tools/testing/selftests/net' make[1]: Entering directory '/home/virtme/testing-1/tools/testing/selftests/net/lib' make[1]: Nothing to be done for 'all'. make[1]: Leaving directory '/home/virtme/testing-1/tools/testing/selftests/net/lib' make[1]: Entering directory '/home/virtme/testing-1/tools/testing/selftests/net' TAP version 13 1..1 # timeout set to 3600 # selftests: net: fib_tests.sh # 0.06 [+0.06] # 0.06 [+0.00] Single path route test # 0.20 [+0.14] Start point # 0.21 [+0.01] TEST: IPv4 fibmatch [ OK ] # 0.22 [+0.01] TEST: IPv6 fibmatch [ OK ] # 0.26 [+0.04] Nexthop device deleted # 0.27 [+0.01] TEST: IPv4 fibmatch - no route [ OK ] # 0.28 [+0.01] TEST: IPv6 fibmatch - no route [ OK ] # 0.36 [+0.08] # 0.36 [+0.00] Multipath route test # 0.59 [+0.23] Start point # 0.60 [+0.01] TEST: IPv4 fibmatch [ OK ] # 0.61 [+0.01] TEST: IPv6 fibmatch [ OK ] # 0.65 [+0.04] One nexthop device deleted # 0.66 [+0.01] TEST: IPv4 - multipath route removed on delete [ OK ] # 0.67 [+0.01] TEST: IPv6 - multipath down to single path [ OK ] # 0.72 [+0.05] Second nexthop device deleted # 0.73 [+0.01] TEST: IPv6 - no route [ OK ] # 0.80 [+0.07] # 0.80 [+0.00] Single path, admin down # 0.99 [+0.19] Start point # 1.00 [+0.01] TEST: IPv4 fibmatch [ OK ] # 1.01 [+0.01] TEST: IPv6 fibmatch [ OK ] # 1.02 [+0.01] Route deleted on down # 1.04 [+0.01] TEST: IPv4 fibmatch [ OK ] # 1.05 [+0.01] TEST: IPv6 fibmatch [ OK ] # 1.12 [+0.07] # 1.12 [+0.00] Admin down multipath # 1.34 [+0.23] Verify start point # 1.35 [+0.01] TEST: IPv4 fibmatch [ OK ] # 1.37 [+0.01] TEST: IPv6 fibmatch [ OK ] # 1.38 [+0.01] One device down, one up # 1.38 [+0.01] TEST: IPv4 fibmatch on down device [ OK ] # 1.39 [+0.01] TEST: IPv6 fibmatch on down device [ OK ] # 1.40 [+0.01] TEST: IPv4 fibmatch on up device [ OK ] # 1.41 [+0.01] TEST: IPv6 fibmatch on up device [ OK ] # 1.43 [+0.01] TEST: IPv4 flags on down device [ OK ] # 1.43 [+0.01] TEST: IPv6 flags on down device [ OK ] # 1.44 [+0.01] TEST: IPv4 flags on up device [ OK ] # 1.45 [+0.01] TEST: IPv6 flags on up device [ OK ] # 1.47 [+0.02] Other device down and up # 1.48 [+0.01] TEST: IPv4 fibmatch on down device [ OK ] # 1.49 [+0.01] TEST: IPv6 fibmatch on down device [ OK ] # 1.50 [+0.01] TEST: IPv4 fibmatch on up device [ OK ] # 1.51 [+0.01] TEST: IPv6 fibmatch on up device [ OK ] # 1.52 [+0.01] TEST: IPv4 flags on down device [ OK ] # 1.53 [+0.01] TEST: IPv6 flags on down device [ OK ] # 1.54 [+0.01] TEST: IPv4 flags on up device [ OK ] # 1.55 [+0.01] TEST: IPv6 flags on up device [ OK ] # 1.56 [+0.01] Both devices down # 1.56 [+0.01] TEST: IPv4 fibmatch [ OK ] # 1.57 [+0.01] TEST: IPv6 fibmatch [ OK ] # 1.65 [+0.07] # 1.65 [+0.00] Local carrier tests - single path # 1.81 [+0.16] Start point # 1.82 [+0.01] TEST: IPv4 fibmatch [ OK ] # 1.83 [+0.01] TEST: IPv6 fibmatch [ OK ] # 1.84 [+0.01] TEST: IPv4 - no linkdown flag [ OK ] # 1.84 [+0.01] TEST: IPv6 - no linkdown flag [ OK ] # 2.86 [+1.01] Carrier off on nexthop # 2.87 [+0.01] TEST: IPv4 fibmatch [ OK ] # 2.88 [+0.01] TEST: IPv6 fibmatch [ OK ] # 2.89 [+0.01] TEST: IPv4 - linkdown flag set [ OK ] # 2.90 [+0.01] TEST: IPv6 - linkdown flag set [ OK ] # 2.92 [+0.02] Route to local address with carrier down # 2.93 [+0.01] TEST: IPv4 fibmatch [ OK ] # 2.93 [+0.01] TEST: IPv6 fibmatch [ OK ] # 2.94 [+0.01] TEST: IPv4 linkdown flag set [ OK ] # 2.95 [+0.01] TEST: IPv6 linkdown flag set [ OK ] # 3.03 [+0.07] # 3.03 [+0.00] Single path route carrier test # 3.18 [+0.16] Start point # 3.19 [+0.01] TEST: IPv4 fibmatch [ OK ] # 3.20 [+0.01] TEST: IPv6 fibmatch [ OK ] # 3.21 [+0.01] TEST: IPv4 no linkdown flag [ OK ] # 3.22 [+0.01] TEST: IPv6 no linkdown flag [ OK ] # 4.23 [+1.02] Carrier down # 4.25 [+0.01] TEST: IPv4 fibmatch [ OK ] # 4.26 [+0.01] TEST: IPv6 fibmatch [ OK ] # 4.26 [+0.01] TEST: IPv4 linkdown flag set [ OK ] # 4.27 [+0.01] TEST: IPv6 linkdown flag set [ OK ] # 4.29 [+0.02] Second address added with carrier down # 4.30 [+0.01] TEST: IPv4 fibmatch [ OK ] # 4.31 [+0.01] TEST: IPv6 fibmatch [ OK ] # 4.32 [+0.01] TEST: IPv4 linkdown flag set [ OK ] # 4.33 [+0.01] TEST: IPv6 linkdown flag set [ OK ] # 5.72 [+1.39] # 5.72 [+0.00] IPv4 nexthop tests # 5.72 [+0.00] <<< write me >>> # 5.74 [+0.03] # 5.74 [+0.00] IPv6 nexthop tests # 5.75 [+0.01] TEST: Directly connected nexthop, unicast address [ OK ] # 5.76 [+0.01] TEST: Directly connected nexthop, unicast address with device [ OK ] # 5.77 [+0.01] TEST: Gateway is linklocal address [ OK ] # 5.78 [+0.01] TEST: Gateway is linklocal address, no device [ OK ] # 5.79 [+0.01] TEST: Gateway can not be local unicast address [ OK ] # 5.80 [+0.01] TEST: Gateway can not be local unicast address, with device [ OK ] # 5.82 [+0.01] TEST: Gateway can not be a local linklocal address [ OK ] # 5.83 [+0.01] TEST: Gateway can be local address in a VRF [ OK ] # 5.84 [+0.01] TEST: Gateway can be local address in a VRF, with device [ OK ] # 5.86 [+0.01] TEST: Gateway can be local linklocal address in a VRF [ OK ] # 5.87 [+0.01] TEST: Redirect to VRF lookup [ OK ] # 5.88 [+0.01] TEST: VRF route, gateway can be local address in default VRF [ OK ] # 5.90 [+0.01] TEST: VRF route, gateway can not be a local address [ OK ] # 5.91 [+0.01] TEST: VRF route, gateway can not be a local addr with device [ OK ] # 6.09 [+0.19] # 6.10 [+0.00] FIB rule with suppress_prefixlength # 6.34 [+0.25] TEST: FIB rule suppress test [ OK ] # 6.57 [+0.23] # 6.57 [+0.00] Fib6 info length calculation in route notify test # 8.79 [+2.22] TEST: ipv6 route add notify [ OK ] # 9.02 [+0.23] # 9.02 [+0.00] Fib4 info length calculation in route notify test # 11.24 [+2.22] TEST: ipv4 route add notify [ OK ] # 11.81 [+0.58] # 11.81 [+0.00] IPv6 route add / append tests # 11.85 [+0.04] TEST: Attempt to add duplicate route - gw [ OK ] # 11.89 [+0.04] TEST: Attempt to add duplicate route - dev only [ OK ] # 11.93 [+0.04] TEST: Attempt to add duplicate route - reject route [ OK ] # 11.98 [+0.05] TEST: Append nexthop to existing route - gw [ OK ] # 12.02 [+0.04] TEST: Add multipath route [ OK ] # 12.06 [+0.05] TEST: Attempt to add duplicate multipath route [ OK ] # 12.13 [+0.06] TEST: Route add with different metrics [ OK ] # 12.16 [+0.03] TEST: Route delete with metric [ OK ] # 12.16 [+0.00] # 12.16 [+0.00] IPv6 route replace tests # 12.22 [+0.06] TEST: Single path with single path [ OK ] # 12.28 [+0.06] TEST: Single path with multipath [ OK ] # 12.33 [+0.05] TEST: Single path with single path via multipath attribute [ OK ] # 12.39 [+0.06] TEST: Invalid nexthop [ OK ] # 12.44 [+0.05] TEST: Single path - replace of non-existent route [ OK ] # 12.51 [+0.07] TEST: Multipath with multipath [ OK ] # 12.57 [+0.06] TEST: Multipath with single path [ OK ] # 12.64 [+0.06] TEST: Multipath with single path via multipath attribute [ OK ] # 12.70 [+0.06] TEST: Multipath with dev-only [ OK ] # 12.76 [+0.06] TEST: Multipath - invalid first nexthop [ OK ] # 12.82 [+0.06] TEST: Multipath - invalid second nexthop [ OK ] # 12.87 [+0.05] TEST: Multipath - replace of non-existent route [ OK ] # 12.87 [+0.00] # 12.87 [+0.00] IPv6 route with dsfield tests # 12.90 [+0.03] TEST: Reject route with dsfield [ OK ] # 13.80 [+0.90] # 13.80 [+0.00] IPv4 route add / append tests # 13.85 [+0.05] TEST: Attempt to add duplicate route - gw [ OK ] # 13.90 [+0.05] TEST: Attempt to add duplicate route - dev only [ OK ] # 13.95 [+0.05] TEST: Attempt to add duplicate route - reject route [ OK ] # 14.01 [+0.06] TEST: Add new nexthop for existing prefix [ OK ] # 14.07 [+0.06] TEST: Append nexthop to existing route - gw [ OK ] # 14.13 [+0.06] TEST: Append nexthop to existing route - dev only [ OK ] # 14.19 [+0.06] TEST: Append nexthop to existing route - reject route [ OK ] # 14.23 [+0.05] TEST: Append nexthop to existing reject route - gw [ OK ] # 14.28 [+0.05] TEST: Append nexthop to existing reject route - dev only [ OK ] # 14.33 [+0.05] TEST: add multipath route [ OK ] # 14.37 [+0.04] TEST: Attempt to add duplicate multipath route [ OK ] # 14.42 [+0.05] TEST: Route add with different metrics [ OK ] # 14.45 [+0.02] TEST: Route delete with metric [ OK ] # 14.45 [+0.00] # 14.45 [+0.00] IPv4 route replace tests # 14.50 [+0.06] TEST: Single path with single path [ OK ] # 14.56 [+0.06] TEST: Single path with multipath [ OK ] # 14.62 [+0.06] TEST: Single path with reject route [ OK ] # 14.67 [+0.06] TEST: Single path with single path via multipath attribute [ OK ] # 14.73 [+0.06] TEST: Invalid nexthop [ OK ] # 14.77 [+0.04] TEST: Single path - replace of non-existent route [ OK ] # 14.84 [+0.06] TEST: Multipath with multipath [ OK ] # 14.89 [+0.06] TEST: Multipath with single path [ OK ] # 14.95 [+0.06] TEST: Multipath with single path via multipath attribute [ OK ] # 15.01 [+0.06] TEST: Multipath with reject route [ OK ] # 15.07 [+0.06] TEST: Multipath - invalid first nexthop [ OK ] # 15.12 [+0.06] TEST: Multipath - invalid second nexthop [ OK ] # 15.17 [+0.05] TEST: Multipath - replace of non-existent route [ OK ] # 15.37 [+0.20] TEST: Cached route removed from VRF port device [ OK ] # 15.37 [+0.00] # 15.37 [+0.00] IPv4 route with dsfield tests # 15.39 [+0.02] TEST: Reject route with dsfield 0x01 [ OK ] # 15.41 [+0.01] TEST: Reject route with dsfield 0x02 [ OK ] # 15.42 [+0.01] TEST: Reject route with dsfield 0x03 [ OK ] # 15.45 [+0.04] TEST: IPv4 route with DSCP and ECN:Not-ECT [ OK ] # 15.47 [+0.01] TEST: IPv4 route with DSCP and ECN:ECT(1) [ OK ] # 15.48 [+0.01] TEST: IPv4 route with DSCP and ECN:ECT(0) [ OK ] # 15.49 [+0.01] TEST: IPv4 route with DSCP and ECN:CE [ OK ] # 15.50 [+0.01] TEST: IPv4 route with unknown DSCP and ECN:Not-ECT [ OK ] # 15.51 [+0.01] TEST: IPv4 route with unknown DSCP and ECN:ECT(1) [ OK ] # 15.52 [+0.01] TEST: IPv4 route with unknown DSCP and ECN:ECT(0) [ OK ] # 15.53 [+0.01] TEST: IPv4 route with unknown DSCP and ECN:CE [ OK ] # 15.54 [+0.01] TEST: IPv4 route with no DSCP and ECN:Not-ECT [ OK ] # 15.56 [+0.01] TEST: IPv4 route with no DSCP and ECN:ECT(1) [ OK ] # 15.57 [+0.01] TEST: IPv4 route with no DSCP and ECN:ECT(0) [ OK ] # 15.58 [+0.01] TEST: IPv4 route with no DSCP and ECN:CE [ OK ] # 15.85 [+0.26] # 15.85 [+0.00] IPv6 prefix route tests # 16.13 [+0.28] TEST: Default metric [ OK ] # 16.17 [+0.04] TEST: User specified metric on first device [ OK ] # 16.21 [+0.04] TEST: User specified metric on second device [ OK ] # 16.23 [+0.02] TEST: Delete of address on first device [ OK ] # 16.26 [+0.02] TEST: Modify metric of address [ OK ] # 16.30 [+0.04] TEST: Prefix route removed on link down [ OK ] # 16.32 [+0.02] TEST: Prefix route with metric on link up [ OK ] # 16.36 [+0.04] TEST: Set metric with peer route on local side [ OK ] # 16.37 [+0.01] TEST: Set metric with peer route on peer side [ OK ] # 16.39 [+0.02] TEST: Modify metric and peer address on local side [ OK ] # 16.40 [+0.01] TEST: Modify metric and peer address on peer side [ OK ] # 16.59 [+0.19] # 16.59 [+0.00] IPv4 prefix route tests # 16.85 [+0.26] TEST: Default metric [ OK ] # 16.89 [+0.04] TEST: User specified metric on first device [ OK ] # 16.93 [+0.04] TEST: User specified metric on second device [ OK ] # 16.95 [+0.02] TEST: Delete of address on first device [ OK ] # 16.97 [+0.03] TEST: Modify metric of address [ OK ] # 17.00 [+0.02] TEST: Prefix route removed on link down [ OK ] # 17.03 [+0.03] TEST: Prefix route with metric on link up [ OK ] # 17.07 [+0.05] TEST: Modify metric of .0/24 address [ OK ] # 17.11 [+0.04] TEST: Set metric of address with peer route [ OK ] # 17.14 [+0.03] TEST: Modify metric and peer address for peer route [ OK ] # 17.31 [+0.18] # 17.31 [+0.00] IPv6 routes with metrics # 17.99 [+0.67] TEST: Single path route with mtu metric [ OK ] # 18.03 [+0.04] TEST: Multipath route via 2 single routes with mtu metric on first [ OK ] # 18.06 [+0.03] TEST: Multipath route via 2 single routes with mtu metric on 2nd [ OK ] # 18.08 [+0.02] TEST: MTU of second leg [ OK ] # 18.10 [+0.02] TEST: Multipath route with mtu metric [ OK ] # 18.13 [+0.03] TEST: Using route with mtu metric [ OK ] # 18.15 [+0.02] TEST: Invalid metric (fails metric_convert) [ OK ] # 18.41 [+0.26] # 18.41 [+0.00] IPv4 route add / append tests # 19.04 [+0.63] TEST: Single path route with mtu metric [ OK ] # 19.06 [+0.02] TEST: Multipath route with mtu metric [ OK ] # 19.09 [+0.03] TEST: Using route with mtu metric [ OK ] # 19.11 [+0.02] TEST: Invalid metric (fails metric_convert) [ OK ] # 19.38 [+0.27] # 19.38 [+0.00] IPv4 route with IPv6 gateway tests # 21.96 [+2.58] TEST: Single path route with IPv6 gateway [ OK ] # 21.99 [+0.03] TEST: Single path route with IPv6 gateway - ping [ OK ] # 22.00 [+0.01] TEST: Single path route delete [ OK ] # 22.03 [+0.02] TEST: Multipath route add - v6 nexthop then v4 [ OK ] # 22.05 [+0.02] TEST: Multipath route delete - nexthops in wrong order [ OK ] # 22.06 [+0.01] TEST: Multipath route delete exact match [ OK ] # 22.07 [+0.01] TEST: Multipath route add - v4 nexthop then v6 [ OK ] # 22.09 [+0.02] TEST: Multipath route delete - nexthops in wrong order [ OK ] # 22.10 [+0.01] TEST: Multipath route delete exact match [ OK ] # 22.33 [+0.22] # 22.33 [+0.00] IPv4 rp_filter tests # 23.08 [+0.75] TEST: rp_filter passes local packets [ OK ] # 23.09 [+0.01] TEST: rp_filter passes loopback packets [ OK ] # 23.20 [+0.11] # 23.20 [+0.00] IPv4 delete address route tests # 23.52 [+0.32] Regular FIB info # 23.54 [+0.02] TEST: Route removed from VRF when source address deleted [ OK ] # 23.55 [+0.01] TEST: Route in default VRF not removed [ OK ] # 23.59 [+0.04] TEST: Route removed in default VRF when source address deleted [ OK ] # 23.60 [+0.01] TEST: Route in VRF is not removed by address delete [ OK ] # 23.60 [+0.00] Identical FIB info with different table ID # 23.62 [+0.02] TEST: Route removed from VRF when source address deleted [ OK ] # 23.62 [+0.01] TEST: Route in default VRF not removed [ OK ] # 23.66 [+0.04] TEST: Route removed in default VRF when source address deleted [ OK ] # 23.67 [+0.01] TEST: Route in VRF is not removed by address delete [ OK ] # 23.68 [+0.00] Table ID 0 # 23.70 [+0.02] TEST: Route removed in default VRF when source address deleted [ OK ] # 23.87 [+0.17] # 23.87 [+0.00] IPv6 delete address route tests # 24.51 [+0.65] Single device using src address # 24.54 [+0.02] TEST: Prefsrc removed when src address removed on other device [ OK ] # 24.54 [+0.00] Two devices with the same source address # 24.56 [+0.02] TEST: Prefsrc not removed when src address exist on other device [ OK ] # 24.58 [+0.02] TEST: Prefsrc removed when src address removed on all devices [ OK ] # 24.58 [+0.00] VRF with single device using src address # 24.60 [+0.02] TEST: Prefsrc removed when src address removed on other device [ OK ] # 24.60 [+0.00] VRF with two devices using src address # 24.62 [+0.02] TEST: Prefsrc not removed when src address exist on other device [ OK ] # 24.65 [+0.02] TEST: Prefsrc removed when src address removed on all devices [ OK ] # 24.65 [+0.00] src address and nexthop dev in same VRF # 24.67 [+0.02] TEST: Prefsrc removed from VRF when source address deleted [ OK ] # 24.68 [+0.01] TEST: Prefsrc in default VRF not removed [ OK ] # 24.73 [+0.05] TEST: Prefsrc not removed from VRF when source address exist [ OK ] # 24.74 [+0.01] TEST: Prefsrc in default VRF removed [ OK ] # 24.75 [+0.00] src address and nexthop device in different VRF # 24.77 [+0.02] TEST: Prefsrc not removed from VRF when nexthop dev in diff VRF [ OK ] # 24.78 [+0.01] TEST: Prefsrc not removed in default VRF [ OK ] # 24.81 [+0.03] TEST: Prefsrc removed from VRF when nexthop dev in diff VRF [ OK ] # 24.82 [+0.01] TEST: Prefsrc removed in default VRF [ OK ] # 24.82 [+0.00] Table ID 0 # 24.84 [+0.02] TEST: Prefsrc removed from default VRF when source address deleted [ OK ] # 24.84 [+0.00] Link local source route # 24.86 [+0.02] TEST: Prefsrc not removed when delete ll addr from other dev [ OK ] # 24.89 [+0.02] TEST: Prefsrc removed when delete ll addr [ OK ] # 24.90 [+0.01] TEST: Prefsrc not removed when delete ll addr from other dev [ OK ] # 24.93 [+0.03] TEST: Prefsrc removed even ll addr still exist on other dev [ OK ] # 25.32 [+0.39] # 25.32 [+0.00] IPv4 mangling tests # 28.50 [+3.18] TEST: Connection with correct parameters [ OK ] # 28.52 [+0.02] TEST: Connection with incorrect parameters [ OK ] # 29.09 [+0.57] TEST: Connection with correct parameters - mangling [ OK ] # 29.64 [+0.55] TEST: Connection with correct parameters - no mangling [ OK ] # 29.65 [+0.01] TEST: Connection check - server side [ OK ] # 29.95 [+0.31] # 29.95 [+0.00] IPv6 mangling tests # 33.13 [+3.18] TEST: Connection with correct parameters [ OK ] # 33.15 [+0.02] TEST: Connection with incorrect parameters [ OK ] # 33.69 [+0.54] TEST: Connection with correct parameters - mangling [ OK ] # 34.25 [+0.56] TEST: Connection with correct parameters - no mangling [ OK ] # 34.26 [+0.01] TEST: Connection check - server side [ OK ] # 34.51 [+0.25] # 34.51 [+0.00] IPv4 broadcast neighbour tests # 34.81 [+0.30] TEST: Resolved neighbour for broadcast address [ OK ] # 34.82 [+0.01] TEST: Resolved neighbour for network broadcast address [ OK ] # 34.83 [+0.01] TEST: Unresolved neighbour for broadcast address [ OK ] # 34.84 [+0.01] TEST: Unresolved neighbour for network broadcast address [ OK ] # 35.11 [+0.27] # 35.11 [+0.00] Fib6 garbage collection test # 47.27 [+12.15] TEST: ipv6 route garbage collection [ OK ] # 59.47 [+12.20] TEST: ipv6 route garbage collection (with permanent routes) [ OK ] # 71.64 [+12.17] TEST: ipv6 route garbage collection (replace with expires) [ OK ] # 83.85 [+12.21] TEST: ipv6 route garbage collection (replace with permanent) [ OK ] # 97.04 [+13.19] TEST: ipv6 route garbage collection (RA message) [ OK ] # 97.15 [+0.11] # 97.15 [+0.00] IPv4 multipath list receive tests # 98.43 [+1.29] TEST: Multipath route hit ratio (.99) [ OK ] # 98.69 [+0.26] # 98.70 [+0.00] IPv6 multipath list receive tests # 99.98 [+1.28] TEST: Multipath route hit ratio (1.00) [ OK ] # 100.23 [+0.25] # 100.23 [+0.00] IPv4 multipath load balance test # 102.28 [+2.05] TEST: IPv4 multipath loadbalance [ OK ] # 102.54 [+0.26] # 102.54 [+0.00] IPv6 multipath load balance test # 106.59 [+4.05] TEST: IPv6 multipath loadbalance [ OK ] # 106.86 [+0.27] # 106.86 [+0.00] Tests passed: 231 # 106.86 [+0.00] Tests failed: 0 ok 1 selftests: net: fib_tests.sh make[1]: Leaving directory '/home/virtme/testing-1/tools/testing/selftests/net' make: Leaving directory '/home/virtme/testing-1/tools/testing/selftests' xx__-> echo $? 0 xx__->