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 # 0.05 [+0.05] # 0.05 [+0.00] Single path route test # 0.20 [+0.15] Start point # 0.21 [+0.01] TEST: IPv4 fibmatch [ OK ] # 0.23 [+0.01] TEST: IPv6 fibmatch [ OK ] # 0.27 [+0.04] Nexthop device deleted # 0.29 [+0.01] TEST: IPv4 fibmatch - no route [ OK ] # 0.30 [+0.01] TEST: IPv6 fibmatch - no route [ OK ] # 0.38 [+0.08] # 0.38 [+0.00] Multipath route test # 0.62 [+0.24] Start point # 0.63 [+0.01] TEST: IPv4 fibmatch [ OK ] # 0.64 [+0.01] TEST: IPv6 fibmatch [ OK ] # 0.68 [+0.04] One nexthop device deleted # 0.69 [+0.01] TEST: IPv4 - multipath route removed on delete [ OK ] # 0.71 [+0.01] TEST: IPv6 - multipath down to single path [ OK ] # 0.75 [+0.04] Second nexthop device deleted # 0.76 [+0.01] TEST: IPv6 - no route [ OK ] # 0.83 [+0.07] # 0.83 [+0.00] Single path, admin down # 1.01 [+0.18] Start point # 1.02 [+0.01] TEST: IPv4 fibmatch [ OK ] # 1.04 [+0.01] TEST: IPv6 fibmatch [ OK ] # 1.05 [+0.01] Route deleted on down # 1.06 [+0.01] TEST: IPv4 fibmatch [ OK ] # 1.08 [+0.01] TEST: IPv6 fibmatch [ OK ] # 1.16 [+0.08] # 1.16 [+0.00] Admin down multipath # 1.46 [+0.30] Verify start point # 1.48 [+0.01] TEST: IPv4 fibmatch [ OK ] # 1.49 [+0.01] TEST: IPv6 fibmatch [ OK ] # 1.50 [+0.01] One device down, one up # 1.52 [+0.01] TEST: IPv4 fibmatch on down device [ OK ] # 1.53 [+0.01] TEST: IPv6 fibmatch on down device [ OK ] # 1.54 [+0.01] TEST: IPv4 fibmatch on up device [ OK ] # 1.56 [+0.01] TEST: IPv6 fibmatch on up device [ OK ] # 1.57 [+0.02] TEST: IPv4 flags on down device [ OK ] # 1.59 [+0.01] TEST: IPv6 flags on down device [ OK ] # 1.60 [+0.01] TEST: IPv4 flags on up device [ OK ] # 1.61 [+0.01] TEST: IPv6 flags on up device [ OK ] # 1.64 [+0.03] Other device down and up # 1.66 [+0.01] TEST: IPv4 fibmatch on down device [ OK ] # 1.67 [+0.01] TEST: IPv6 fibmatch on down device [ OK ] # 1.68 [+0.01] TEST: IPv4 fibmatch on up device [ OK ] # 1.70 [+0.01] TEST: IPv6 fibmatch on up device [ OK ] # 1.71 [+0.01] TEST: IPv4 flags on down device [ OK ] # 1.72 [+0.01] TEST: IPv6 flags on down device [ OK ] # 1.74 [+0.02] TEST: IPv4 flags on up device [ OK ] # 1.75 [+0.01] TEST: IPv6 flags on up device [ OK ] # 1.77 [+0.01] Both devices down # 1.78 [+0.01] TEST: IPv4 fibmatch [ OK ] # 1.79 [+0.01] TEST: IPv6 fibmatch [ OK ] # 1.91 [+0.11] # 1.91 [+0.00] Local carrier tests - single path # 2.10 [+0.19] Start point # 2.11 [+0.01] TEST: IPv4 fibmatch [ OK ] # 2.12 [+0.01] TEST: IPv6 fibmatch [ OK ] # 2.13 [+0.01] TEST: IPv4 - no linkdown flag [ OK ] # 2.14 [+0.01] TEST: IPv6 - no linkdown flag [ OK ] # 3.16 [+1.02] Carrier off on nexthop # 3.18 [+0.01] TEST: IPv4 fibmatch [ OK ] # 3.19 [+0.01] TEST: IPv6 fibmatch [ OK ] # 3.20 [+0.01] TEST: IPv4 - linkdown flag set [ OK ] # 3.21 [+0.01] TEST: IPv6 - linkdown flag set [ OK ] # 3.23 [+0.02] Route to local address with carrier down # 3.24 [+0.01] TEST: IPv4 fibmatch [ OK ] # 3.26 [+0.01] TEST: IPv6 fibmatch [ OK ] # 3.27 [+0.01] TEST: IPv4 linkdown flag set [ OK ] # 3.28 [+0.01] TEST: IPv6 linkdown flag set [ OK ] # 3.35 [+0.07] # 3.35 [+0.00] Single path route carrier test # 3.55 [+0.20] Start point # 3.56 [+0.01] TEST: IPv4 fibmatch [ OK ] # 3.57 [+0.01] TEST: IPv6 fibmatch [ OK ] # 3.58 [+0.01] TEST: IPv4 no linkdown flag [ OK ] # 3.59 [+0.01] TEST: IPv6 no linkdown flag [ OK ] # 4.61 [+1.02] Carrier down # 4.62 [+0.01] TEST: IPv4 fibmatch [ OK ] # 4.63 [+0.01] TEST: IPv6 fibmatch [ OK ] # 4.64 [+0.01] TEST: IPv4 linkdown flag set [ OK ] # 4.65 [+0.01] TEST: IPv6 linkdown flag set [ OK ] # 4.67 [+0.02] Second address added with carrier down # 4.68 [+0.01] TEST: IPv4 fibmatch [ OK ] # 4.69 [+0.01] TEST: IPv6 fibmatch [ OK ] # 4.71 [+0.01] TEST: IPv4 linkdown flag set [ OK ] # 4.72 [+0.01] TEST: IPv6 linkdown flag set [ OK ] # 6.19 [+1.47] # 6.19 [+0.00] IPv4 nexthop tests # 6.19 [+0.00] <<< write me >>> # 6.22 [+0.03] # 6.22 [+0.00] IPv6 nexthop tests # 6.23 [+0.01] TEST: Directly connected nexthop, unicast address [ OK ] # 6.24 [+0.01] TEST: Directly connected nexthop, unicast address with device [ OK ] # 6.25 [+0.01] TEST: Gateway is linklocal address [ OK ] # 6.26 [+0.01] TEST: Gateway is linklocal address, no device [ OK ] # 6.28 [+0.01] TEST: Gateway can not be local unicast address [ OK ] # 6.29 [+0.01] TEST: Gateway can not be local unicast address, with device [ OK ] # 6.30 [+0.01] TEST: Gateway can not be a local linklocal address [ OK ] # 6.32 [+0.01] TEST: Gateway can be local address in a VRF [ OK ] # 6.33 [+0.01] TEST: Gateway can be local address in a VRF, with device [ OK ] # 6.34 [+0.01] TEST: Gateway can be local linklocal address in a VRF [ OK ] # 6.36 [+0.01] TEST: Redirect to VRF lookup [ OK ] # 6.37 [+0.01] TEST: VRF route, gateway can be local address in default VRF [ OK ] # 6.38 [+0.01] TEST: VRF route, gateway can not be a local address [ OK ] # 6.40 [+0.01] TEST: VRF route, gateway can not be a local addr with device [ OK ] # 6.56 [+0.17] # 6.56 [+0.00] FIB rule with suppress_prefixlength # 6.85 [+0.29] TEST: FIB rule suppress test [ OK ] # 7.13 [+0.28] # 7.13 [+0.00] Fib6 info length calculation in route notify test # 9.39 [+2.27] TEST: ipv6 route add notify [ OK ] # 9.66 [+0.26] # 9.66 [+0.00] Fib4 info length calculation in route notify test # 11.91 [+2.25] TEST: ipv4 route add notify [ OK ] # 12.61 [+0.70] # 12.61 [+0.00] IPv6 route add / append tests # 12.66 [+0.05] TEST: Attempt to add duplicate route - gw [ OK ] # 12.71 [+0.05] TEST: Attempt to add duplicate route - dev only [ OK ] # 12.76 [+0.05] TEST: Attempt to add duplicate route - reject route [ OK ] # 12.82 [+0.06] TEST: Append nexthop to existing route - gw [ OK ] # 12.87 [+0.05] TEST: Add multipath route [ OK ] # 12.92 [+0.05] TEST: Attempt to add duplicate multipath route [ OK ] # 12.98 [+0.06] TEST: Route add with different metrics [ OK ] # 13.00 [+0.03] TEST: Route delete with metric [ OK ] # 13.01 [+0.00] # 13.01 [+0.00] IPv6 route replace tests # 13.07 [+0.06] TEST: Single path with single path [ OK ] # 13.13 [+0.06] TEST: Single path with multipath [ OK ] # 13.19 [+0.06] TEST: Single path with single path via multipath attribute [ OK ] # 13.26 [+0.06] TEST: Invalid nexthop [ OK ] # 13.31 [+0.05] TEST: Single path - replace of non-existent route [ OK ] # 13.37 [+0.06] TEST: Multipath with multipath [ OK ] # 13.43 [+0.06] TEST: Multipath with single path [ OK ] # 13.50 [+0.06] TEST: Multipath with single path via multipath attribute [ OK ] # 13.56 [+0.06] TEST: Multipath with dev-only [ OK ] # 13.62 [+0.06] TEST: Multipath - invalid first nexthop [ OK ] # 13.69 [+0.07] TEST: Multipath - invalid second nexthop [ OK ] # 13.74 [+0.05] TEST: Multipath - replace of non-existent route [ OK ] # 13.74 [+0.00] # 13.74 [+0.00] IPv6 route with dsfield tests # 13.77 [+0.03] TEST: Reject route with dsfield [ OK ] # 14.74 [+0.97] # 14.74 [+0.00] IPv4 route add / append tests # 14.79 [+0.05] TEST: Attempt to add duplicate route - gw [ OK ] # 14.83 [+0.05] TEST: Attempt to add duplicate route - dev only [ OK ] # 14.88 [+0.05] TEST: Attempt to add duplicate route - reject route [ OK ] # 14.94 [+0.06] TEST: Add new nexthop for existing prefix [ OK ] # 15.01 [+0.06] TEST: Append nexthop to existing route - gw [ OK ] # 15.07 [+0.06] TEST: Append nexthop to existing route - dev only [ OK ] # 15.13 [+0.06] TEST: Append nexthop to existing route - reject route [ OK ] # 15.18 [+0.05] TEST: Append nexthop to existing reject route - gw [ OK ] # 15.23 [+0.05] TEST: Append nexthop to existing reject route - dev only [ OK ] # 15.28 [+0.05] TEST: add multipath route [ OK ] # 15.33 [+0.05] TEST: Attempt to add duplicate multipath route [ OK ] # 15.38 [+0.06] TEST: Route add with different metrics [ OK ] # 15.41 [+0.02] TEST: Route delete with metric [ OK ] # 15.41 [+0.00] # 15.41 [+0.00] IPv4 route replace tests # 15.47 [+0.06] TEST: Single path with single path [ OK ] # 15.53 [+0.06] TEST: Single path with multipath [ OK ] # 15.59 [+0.06] TEST: Single path with reject route [ OK ] # 15.65 [+0.06] TEST: Single path with single path via multipath attribute [ OK ] # 15.71 [+0.06] TEST: Invalid nexthop [ OK ] # 15.76 [+0.05] TEST: Single path - replace of non-existent route [ OK ] # 15.82 [+0.06] TEST: Multipath with multipath [ OK ] # 15.89 [+0.06] TEST: Multipath with single path [ OK ] # 15.95 [+0.07] TEST: Multipath with single path via multipath attribute [ OK ] # 16.02 [+0.06] TEST: Multipath with reject route [ OK ] # 16.08 [+0.06] TEST: Multipath - invalid first nexthop [ OK ] # 16.14 [+0.06] TEST: Multipath - invalid second nexthop [ OK ] # 16.20 [+0.05] TEST: Multipath - replace of non-existent route [ OK ] # 16.40 [+0.20] TEST: Cached route removed from VRF port device [ OK ] # 16.40 [+0.00] # 16.40 [+0.00] IPv4 route with dsfield tests # 16.42 [+0.02] TEST: Reject route with dsfield 0x01 [ OK ] # 16.44 [+0.01] TEST: Reject route with dsfield 0x02 [ OK ] # 16.45 [+0.01] TEST: Reject route with dsfield 0x03 [ OK ] # 16.49 [+0.04] TEST: IPv4 route with DSCP and ECN:Not-ECT [ OK ] # 16.50 [+0.01] TEST: IPv4 route with DSCP and ECN:ECT(1) [ OK ] # 16.51 [+0.01] TEST: IPv4 route with DSCP and ECN:ECT(0) [ OK ] # 16.52 [+0.01] TEST: IPv4 route with DSCP and ECN:CE [ OK ] # 16.54 [+0.01] TEST: IPv4 route with unknown DSCP and ECN:Not-ECT [ OK ] # 16.55 [+0.01] TEST: IPv4 route with unknown DSCP and ECN:ECT(1) [ OK ] # 16.56 [+0.01] TEST: IPv4 route with unknown DSCP and ECN:ECT(0) [ OK ] # 16.57 [+0.01] TEST: IPv4 route with unknown DSCP and ECN:CE [ OK ] # 16.58 [+0.01] TEST: IPv4 route with no DSCP and ECN:Not-ECT [ OK ] # 16.60 [+0.01] TEST: IPv4 route with no DSCP and ECN:ECT(1) [ OK ] # 16.61 [+0.01] TEST: IPv4 route with no DSCP and ECN:ECT(0) [ OK ] # 16.62 [+0.01] TEST: IPv4 route with no DSCP and ECN:CE [ OK ] # 16.89 [+0.28] # 16.89 [+0.00] IPv6 prefix route tests # 17.17 [+0.28] TEST: Default metric [ OK ] # 17.21 [+0.03] TEST: User specified metric on first device [ OK ] # 17.24 [+0.04] TEST: User specified metric on second device [ OK ] # 17.27 [+0.02] TEST: Delete of address on first device [ OK ] # 17.29 [+0.02] TEST: Modify metric of address [ OK ] # 17.33 [+0.04] TEST: Prefix route removed on link down [ OK ] # 17.35 [+0.02] TEST: Prefix route with metric on link up [ OK ] # 17.38 [+0.03] TEST: Set metric with peer route on local side [ OK ] # 17.39 [+0.01] TEST: Set metric with peer route on peer side [ OK ] # 17.41 [+0.02] TEST: Modify metric and peer address on local side [ OK ] # 17.42 [+0.01] TEST: Modify metric and peer address on peer side [ OK ] # 17.58 [+0.16] # 17.58 [+0.00] IPv4 prefix route tests # 17.87 [+0.29] TEST: Default metric [ OK ] # 17.91 [+0.04] TEST: User specified metric on first device [ OK ] # 17.95 [+0.04] TEST: User specified metric on second device [ OK ] # 17.98 [+0.03] TEST: Delete of address on first device [ OK ] # 18.00 [+0.03] TEST: Modify metric of address [ OK ] # 18.03 [+0.03] TEST: Prefix route removed on link down [ OK ] # 18.06 [+0.03] TEST: Prefix route with metric on link up [ OK ] # 18.11 [+0.05] TEST: Modify metric of .0/24 address [ OK ] # 18.15 [+0.04] TEST: Set metric of address with peer route [ OK ] # 18.17 [+0.02] TEST: Modify metric and peer address for peer route [ OK ] # 18.33 [+0.16] # 18.33 [+0.00] IPv6 routes with metrics # 19.08 [+0.75] TEST: Single path route with mtu metric [ OK ] # 19.12 [+0.04] TEST: Multipath route via 2 single routes with mtu metric on first [ OK ] # 19.16 [+0.04] TEST: Multipath route via 2 single routes with mtu metric on 2nd [ OK ] # 19.19 [+0.03] TEST: MTU of second leg [ OK ] # 19.22 [+0.03] TEST: Multipath route with mtu metric [ OK ] # 19.25 [+0.04] TEST: Using route with mtu metric [ OK ] # 19.28 [+0.03] TEST: Invalid metric (fails metric_convert) [ OK ] # 19.55 [+0.27] # 19.56 [+0.00] IPv4 route add / append tests # 20.28 [+0.72] TEST: Single path route with mtu metric [ OK ] # 20.31 [+0.03] TEST: Multipath route with mtu metric [ OK ] # 20.34 [+0.03] TEST: Using route with mtu metric [ OK ] # 20.37 [+0.03] TEST: Invalid metric (fails metric_convert) [ OK ] # 20.61 [+0.24] # 20.61 [+0.00] IPv4 route with IPv6 gateway tests # 23.24 [+2.63] TEST: Single path route with IPv6 gateway [ OK ] # 23.27 [+0.03] TEST: Single path route with IPv6 gateway - ping [ OK ] # 23.28 [+0.01] TEST: Single path route delete [ OK ] # 23.31 [+0.02] TEST: Multipath route add - v6 nexthop then v4 [ OK ] # 23.33 [+0.02] TEST: Multipath route delete - nexthops in wrong order [ OK ] # 23.34 [+0.01] TEST: Multipath route delete exact match [ OK ] # 23.35 [+0.01] TEST: Multipath route add - v4 nexthop then v6 [ OK ] # 23.38 [+0.02] TEST: Multipath route delete - nexthops in wrong order [ OK ] # 23.39 [+0.01] TEST: Multipath route delete exact match [ OK ] # 23.64 [+0.25] # 23.64 [+0.00] IPv4 rp_filter tests # 24.42 [+0.78] TEST: rp_filter passes local packets [ OK ] # 24.44 [+0.02] TEST: rp_filter passes loopback packets [ OK ] # 24.56 [+0.12] # 24.56 [+0.00] IPv4 delete address route tests # 24.91 [+0.35] Regular FIB info # 24.93 [+0.02] TEST: Route removed from VRF when source address deleted [ OK ] # 24.94 [+0.01] TEST: Route in default VRF not removed [ OK ] # 24.98 [+0.04] TEST: Route removed in default VRF when source address deleted [ OK ] # 24.99 [+0.01] TEST: Route in VRF is not removed by address delete [ OK ] # 24.99 [+0.00] Identical FIB info with different table ID # 25.01 [+0.02] TEST: Route removed from VRF when source address deleted [ OK ] # 25.02 [+0.01] TEST: Route in default VRF not removed [ OK ] # 25.06 [+0.04] TEST: Route removed in default VRF when source address deleted [ OK ] # 25.07 [+0.01] TEST: Route in VRF is not removed by address delete [ OK ] # 25.08 [+0.00] Table ID 0 # 25.10 [+0.02] TEST: Route removed in default VRF when source address deleted [ OK ] # 25.31 [+0.21] # 25.31 [+0.00] IPv6 delete address route tests # 25.93 [+0.62] Single device using src address # 25.95 [+0.02] TEST: Prefsrc removed when src address removed on other device [ OK ] # 25.95 [+0.00] Two devices with the same source address # 25.97 [+0.02] TEST: Prefsrc not removed when src address exist on other device [ OK ] # 26.00 [+0.02] TEST: Prefsrc removed when src address removed on all devices [ OK ] # 26.00 [+0.00] VRF with single device using src address # 26.02 [+0.02] TEST: Prefsrc removed when src address removed on other device [ OK ] # 26.02 [+0.00] VRF with two devices using src address # 26.04 [+0.02] TEST: Prefsrc not removed when src address exist on other device [ OK ] # 26.06 [+0.02] TEST: Prefsrc removed when src address removed on all devices [ OK ] # 26.07 [+0.00] src address and nexthop dev in same VRF # 26.09 [+0.02] TEST: Prefsrc removed from VRF when source address deleted [ OK ] # 26.10 [+0.01] TEST: Prefsrc in default VRF not removed [ OK ] # 26.14 [+0.04] TEST: Prefsrc not removed from VRF when source address exist [ OK ] # 26.15 [+0.01] TEST: Prefsrc in default VRF removed [ OK ] # 26.15 [+0.00] src address and nexthop device in different VRF # 26.18 [+0.02] TEST: Prefsrc not removed from VRF when nexthop dev in diff VRF [ OK ] # 26.19 [+0.01] TEST: Prefsrc not removed in default VRF [ OK ] # 26.22 [+0.04] TEST: Prefsrc removed from VRF when nexthop dev in diff VRF [ OK ] # 26.23 [+0.01] TEST: Prefsrc removed in default VRF [ OK ] # 26.23 [+0.00] Table ID 0 # 26.26 [+0.03] TEST: Prefsrc removed from default VRF when source address deleted [ OK ] # 26.26 [+0.00] Link local source route # 26.29 [+0.02] TEST: Prefsrc not removed when delete ll addr from other dev [ OK ] # 26.31 [+0.02] TEST: Prefsrc removed when delete ll addr [ OK ] # 26.32 [+0.01] TEST: Prefsrc not removed when delete ll addr from other dev [ OK ] # 26.36 [+0.04] TEST: Prefsrc removed even ll addr still exist on other dev [ OK ] # 26.70 [+0.34] # 26.70 [+0.00] IPv4 mangling tests # 30.00 [+3.31] TEST: Connection with correct parameters [ OK ] # 30.02 [+0.02] TEST: Connection with incorrect parameters [ OK ] # 30.58 [+0.55] TEST: Connection with correct parameters - mangling [ OK ] # 31.15 [+0.57] TEST: Connection with correct parameters - no mangling [ OK ] # 31.16 [+0.01] TEST: Connection check - server side [ OK ] # 31.46 [+0.31] # 31.46 [+0.00] IPv6 mangling tests # 34.68 [+3.22] TEST: Connection with correct parameters [ OK ] # 34.71 [+0.03] TEST: Connection with incorrect parameters [ OK ] # 35.26 [+0.55] TEST: Connection with correct parameters - mangling [ OK ] # 35.83 [+0.57] TEST: Connection with correct parameters - no mangling [ OK ] # 35.83 [+0.01] TEST: Connection check - server side [ OK ] # 36.10 [+0.27] # 36.10 [+0.00] IPv4 broadcast neighbour tests # 36.41 [+0.31] TEST: Resolved neighbour for broadcast address [ OK ] # 36.42 [+0.01] TEST: Resolved neighbour for network broadcast address [ OK ] # 36.44 [+0.01] TEST: Unresolved neighbour for broadcast address [ OK ] # 36.45 [+0.01] TEST: Unresolved neighbour for network broadcast address [ OK ] # 36.73 [+0.28] # 36.73 [+0.00] Fib6 garbage collection test # 48.88 [+12.15] TEST: ipv6 route garbage collection [ OK ] # 61.11 [+12.23] TEST: ipv6 route garbage collection (with permanent routes) [ OK ] # 73.33 [+12.22] TEST: ipv6 route garbage collection (replace with expires) [ OK ] # 85.55 [+12.22] TEST: ipv6 route garbage collection (replace with permanent) [ OK ] # 98.77 [+13.22] TEST: ipv6 route garbage collection (RA message) [ OK ] # 98.88 [+0.11] # 98.88 [+0.00] IPv4 multipath list receive tests # 100.20 [+1.31] TEST: Multipath route hit ratio (.99) [ OK ] # 100.48 [+0.28] # 100.48 [+0.00] IPv6 multipath list receive tests # 101.91 [+1.44] TEST: Multipath route hit ratio (1.00) [ OK ] # 102.17 [+0.26] # 102.18 [+0.00] IPv4 multipath load balance test # 104.28 [+2.10] TEST: IPv4 multipath loadbalance [ OK ] # 104.60 [+0.33] # 104.60 [+0.00] IPv6 multipath load balance test # 109.03 [+4.42] TEST: IPv6 multipath loadbalance [ OK ] # 109.34 [+0.31] # 109.34 [+0.00] Tests passed: 231 # 109.34 [+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__->