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 # 0.23 [+0.17] Start point # 0.24 [+0.01] TEST: IPv4 fibmatch [ OK ] # 0.25 [+0.01] TEST: IPv6 fibmatch [ OK ] # 0.30 [+0.05] Nexthop device deleted # 0.31 [+0.01] TEST: IPv4 fibmatch - no route [ OK ] # 0.32 [+0.01] TEST: IPv6 fibmatch - no route [ OK ] # 0.40 [+0.08] # 0.40 [+0.00] Multipath route test # 0.67 [+0.27] Start point # 0.68 [+0.01] TEST: IPv4 fibmatch [ OK ] # 0.69 [+0.02] TEST: IPv6 fibmatch [ OK ] # 0.74 [+0.05] One nexthop device deleted # 0.75 [+0.01] TEST: IPv4 - multipath route removed on delete [ OK ] # 0.77 [+0.02] TEST: IPv6 - multipath down to single path [ OK ] # 0.81 [+0.04] Second nexthop device deleted # 0.82 [+0.01] TEST: IPv6 - no route [ OK ] # 0.91 [+0.09] # 0.91 [+0.00] Single path, admin down # 1.10 [+0.19] Start point # 1.12 [+0.01] TEST: IPv4 fibmatch [ OK ] # 1.13 [+0.01] TEST: IPv6 fibmatch [ OK ] # 1.14 [+0.01] Route deleted on down # 1.15 [+0.01] TEST: IPv4 fibmatch [ OK ] # 1.17 [+0.01] TEST: IPv6 fibmatch [ OK ] # 1.25 [+0.08] # 1.25 [+0.00] Admin down multipath # 1.52 [+0.28] Verify start point # 1.54 [+0.01] TEST: IPv4 fibmatch [ OK ] # 1.55 [+0.01] TEST: IPv6 fibmatch [ OK ] # 1.56 [+0.01] One device down, one up # 1.57 [+0.01] TEST: IPv4 fibmatch on down device [ OK ] # 1.59 [+0.01] TEST: IPv6 fibmatch on down device [ OK ] # 1.60 [+0.01] TEST: IPv4 fibmatch on up device [ OK ] # 1.61 [+0.01] TEST: IPv6 fibmatch on up device [ OK ] # 1.62 [+0.01] TEST: IPv4 flags on down device [ OK ] # 1.63 [+0.01] TEST: IPv6 flags on down device [ OK ] # 1.65 [+0.01] TEST: IPv4 flags on up device [ OK ] # 1.66 [+0.01] TEST: IPv6 flags on up device [ OK ] # 1.68 [+0.02] Other device down and up # 1.70 [+0.01] TEST: IPv4 fibmatch on down device [ OK ] # 1.71 [+0.01] TEST: IPv6 fibmatch on down device [ OK ] # 1.73 [+0.01] TEST: IPv4 fibmatch on up device [ OK ] # 1.74 [+0.01] TEST: IPv6 fibmatch on up device [ OK ] # 1.75 [+0.01] TEST: IPv4 flags on down device [ OK ] # 1.77 [+0.01] TEST: IPv6 flags on down device [ OK ] # 1.78 [+0.01] TEST: IPv4 flags on up device [ OK ] # 1.79 [+0.01] TEST: IPv6 flags on up device [ OK ] # 1.80 [+0.01] Both devices down # 1.81 [+0.01] TEST: IPv4 fibmatch [ OK ] # 1.83 [+0.01] TEST: IPv6 fibmatch [ OK ] # 1.94 [+0.11] # 1.94 [+0.00] Local carrier tests - single path # 2.12 [+0.18] Start point # 2.13 [+0.01] TEST: IPv4 fibmatch [ OK ] # 2.14 [+0.01] TEST: IPv6 fibmatch [ OK ] # 2.15 [+0.01] TEST: IPv4 - no linkdown flag [ OK ] # 2.17 [+0.01] TEST: IPv6 - no linkdown flag [ OK ] # 3.18 [+1.02] Carrier off on nexthop # 3.20 [+0.02] TEST: IPv4 fibmatch [ OK ] # 3.22 [+0.01] TEST: IPv6 fibmatch [ OK ] # 3.23 [+0.01] TEST: IPv4 - linkdown flag set [ OK ] # 3.25 [+0.02] TEST: IPv6 - linkdown flag set [ OK ] # 3.27 [+0.02] Route to local address with carrier down # 3.28 [+0.01] TEST: IPv4 fibmatch [ OK ] # 3.30 [+0.01] TEST: IPv6 fibmatch [ OK ] # 3.31 [+0.01] TEST: IPv4 linkdown flag set [ OK ] # 3.32 [+0.01] TEST: IPv6 linkdown flag set [ OK ] # 3.41 [+0.09] # 3.41 [+0.00] Single path route carrier test # 3.59 [+0.19] Start point # 3.61 [+0.01] TEST: IPv4 fibmatch [ OK ] # 3.62 [+0.01] TEST: IPv6 fibmatch [ OK ] # 3.63 [+0.01] TEST: IPv4 no linkdown flag [ OK ] # 3.64 [+0.01] TEST: IPv6 no linkdown flag [ OK ] # 4.66 [+1.02] Carrier down # 4.68 [+0.01] TEST: IPv4 fibmatch [ OK ] # 4.69 [+0.01] TEST: IPv6 fibmatch [ OK ] # 4.70 [+0.01] TEST: IPv4 linkdown flag set [ OK ] # 4.71 [+0.01] TEST: IPv6 linkdown flag set [ OK ] # 4.73 [+0.02] Second address added with carrier down # 4.75 [+0.01] TEST: IPv4 fibmatch [ OK ] # 4.76 [+0.01] TEST: IPv6 fibmatch [ OK ] # 4.77 [+0.01] TEST: IPv4 linkdown flag set [ OK ] # 4.78 [+0.01] TEST: IPv6 linkdown flag set [ OK ] # 6.30 [+1.52] # 6.30 [+0.00] IPv4 nexthop tests # 6.30 [+0.00] <<< write me >>> # 6.34 [+0.04] # 6.34 [+0.00] IPv6 nexthop tests # 6.36 [+0.02] TEST: Directly connected nexthop, unicast address [ OK ] # 6.37 [+0.02] TEST: Directly connected nexthop, unicast address with device [ OK ] # 6.39 [+0.02] TEST: Gateway is linklocal address [ OK ] # 6.40 [+0.01] TEST: Gateway is linklocal address, no device [ OK ] # 6.42 [+0.01] TEST: Gateway can not be local unicast address [ OK ] # 6.43 [+0.02] TEST: Gateway can not be local unicast address, with device [ OK ] # 6.45 [+0.02] TEST: Gateway can not be a local linklocal address [ OK ] # 6.47 [+0.02] TEST: Gateway can be local address in a VRF [ OK ] # 6.49 [+0.02] TEST: Gateway can be local address in a VRF, with device [ OK ] # 6.50 [+0.02] TEST: Gateway can be local linklocal address in a VRF [ OK ] # 6.52 [+0.02] TEST: Redirect to VRF lookup [ OK ] # 6.53 [+0.01] TEST: VRF route, gateway can be local address in default VRF [ OK ] # 6.54 [+0.01] TEST: VRF route, gateway can not be a local address [ OK ] # 6.56 [+0.02] TEST: VRF route, gateway can not be a local addr with device [ OK ] # 6.79 [+0.23] # 6.79 [+0.00] FIB rule with suppress_prefixlength # 7.11 [+0.31] TEST: FIB rule suppress test [ OK ] # 7.41 [+0.31] # 7.41 [+0.00] Fib6 info length calculation in route notify test # 9.71 [+2.29] TEST: ipv6 route add notify [ OK ] # 9.98 [+0.27] # 9.98 [+0.00] Fib4 info length calculation in route notify test # 12.23 [+2.25] TEST: ipv4 route add notify [ OK ] # 12.81 [+0.59] # 12.81 [+0.00] IPv6 route add / append tests # 12.86 [+0.04] TEST: Attempt to add duplicate route - gw [ OK ] # 12.90 [+0.04] TEST: Attempt to add duplicate route - dev only [ OK ] # 12.95 [+0.05] TEST: Attempt to add duplicate route - reject route [ OK ] # 13.00 [+0.05] TEST: Append nexthop to existing route - gw [ OK ] # 13.05 [+0.05] TEST: Add multipath route [ OK ] # 13.09 [+0.05] TEST: Attempt to add duplicate multipath route [ OK ] # 13.15 [+0.06] TEST: Route add with different metrics [ OK ] # 13.17 [+0.02] TEST: Route delete with metric [ OK ] # 13.17 [+0.00] # 13.17 [+0.00] IPv6 route replace tests # 13.23 [+0.06] TEST: Single path with single path [ OK ] # 13.29 [+0.06] TEST: Single path with multipath [ OK ] # 13.35 [+0.06] TEST: Single path with single path via multipath attribute [ OK ] # 13.40 [+0.05] TEST: Invalid nexthop [ OK ] # 13.45 [+0.04] TEST: Single path - replace of non-existent route [ OK ] # 13.50 [+0.05] TEST: Multipath with multipath [ OK ] # 13.55 [+0.05] TEST: Multipath with single path [ OK ] # 13.61 [+0.06] TEST: Multipath with single path via multipath attribute [ OK ] # 13.66 [+0.05] TEST: Multipath with dev-only [ OK ] # 13.72 [+0.06] TEST: Multipath - invalid first nexthop [ OK ] # 13.78 [+0.06] TEST: Multipath - invalid second nexthop [ OK ] # 13.83 [+0.05] TEST: Multipath - replace of non-existent route [ OK ] # 13.83 [+0.00] # 13.83 [+0.00] IPv6 route with dsfield tests # 13.85 [+0.02] TEST: Reject route with dsfield [ OK ] # 14.69 [+0.84] # 14.69 [+0.00] IPv4 route add / append tests # 14.73 [+0.04] TEST: Attempt to add duplicate route - gw [ OK ] # 14.78 [+0.04] TEST: Attempt to add duplicate route - dev only [ OK ] # 14.83 [+0.05] TEST: Attempt to add duplicate route - reject route [ OK ] # 14.88 [+0.06] TEST: Add new nexthop for existing prefix [ OK ] # 14.95 [+0.07] TEST: Append nexthop to existing route - gw [ OK ] # 15.01 [+0.06] TEST: Append nexthop to existing route - dev only [ OK ] # 15.07 [+0.06] TEST: Append nexthop to existing route - reject route [ OK ] # 15.12 [+0.05] TEST: Append nexthop to existing reject route - gw [ OK ] # 15.16 [+0.04] TEST: Append nexthop to existing reject route - dev only [ OK ] # 15.20 [+0.04] TEST: add multipath route [ OK ] # 15.25 [+0.05] TEST: Attempt to add duplicate multipath route [ OK ] # 15.31 [+0.06] TEST: Route add with different metrics [ OK ] # 15.33 [+0.03] TEST: Route delete with metric [ OK ] # 15.33 [+0.00] # 15.33 [+0.00] IPv4 route replace tests # 15.39 [+0.06] TEST: Single path with single path [ OK ] # 15.45 [+0.06] TEST: Single path with multipath [ OK ] # 15.51 [+0.06] TEST: Single path with reject route [ OK ] # 15.56 [+0.06] TEST: Single path with single path via multipath attribute [ OK ] # 15.62 [+0.05] TEST: Invalid nexthop [ OK ] # 15.66 [+0.04] TEST: Single path - replace of non-existent route [ OK ] # 15.71 [+0.06] TEST: Multipath with multipath [ OK ] # 15.77 [+0.06] TEST: Multipath with single path [ OK ] # 15.83 [+0.06] TEST: Multipath with single path via multipath attribute [ OK ] # 15.90 [+0.06] TEST: Multipath with reject route [ OK ] # 15.95 [+0.06] TEST: Multipath - invalid first nexthop [ OK ] # 16.01 [+0.06] TEST: Multipath - invalid second nexthop [ OK ] # 16.07 [+0.05] TEST: Multipath - replace of non-existent route [ OK ] # 16.27 [+0.21] TEST: Cached route removed from VRF port device [ OK ] # 16.28 [+0.00] # 16.28 [+0.00] IPv4 route with dsfield tests # 16.30 [+0.02] TEST: Reject route with dsfield 0x01 [ OK ] # 16.31 [+0.01] TEST: Reject route with dsfield 0x02 [ OK ] # 16.32 [+0.01] TEST: Reject route with dsfield 0x03 [ OK ] # 16.37 [+0.04] TEST: IPv4 route with DSCP and ECN:Not-ECT [ OK ] # 16.38 [+0.01] TEST: IPv4 route with DSCP and ECN:ECT(1) [ OK ] # 16.39 [+0.01] TEST: IPv4 route with DSCP and ECN:ECT(0) [ OK ] # 16.40 [+0.01] TEST: IPv4 route with DSCP and ECN:CE [ OK ] # 16.42 [+0.01] TEST: IPv4 route with unknown DSCP and ECN:Not-ECT [ OK ] # 16.43 [+0.01] TEST: IPv4 route with unknown DSCP and ECN:ECT(1) [ OK ] # 16.44 [+0.01] TEST: IPv4 route with unknown DSCP and ECN:ECT(0) [ OK ] # 16.45 [+0.01] TEST: IPv4 route with unknown DSCP and ECN:CE [ OK ] # 16.47 [+0.01] TEST: IPv4 route with no DSCP and ECN:Not-ECT [ OK ] # 16.48 [+0.01] TEST: IPv4 route with no DSCP and ECN:ECT(1) [ OK ] # 16.49 [+0.01] TEST: IPv4 route with no DSCP and ECN:ECT(0) [ OK ] # 16.50 [+0.01] TEST: IPv4 route with no DSCP and ECN:CE [ OK ] # 16.77 [+0.27] # 16.77 [+0.00] IPv6 prefix route tests # 17.06 [+0.29] TEST: Default metric [ OK ] # 17.09 [+0.04] TEST: User specified metric on first device [ OK ] # 17.13 [+0.04] TEST: User specified metric on second device [ OK ] # 17.15 [+0.02] TEST: Delete of address on first device [ OK ] # 17.18 [+0.03] TEST: Modify metric of address [ OK ] # 17.22 [+0.04] TEST: Prefix route removed on link down [ OK ] # 17.25 [+0.03] TEST: Prefix route with metric on link up [ OK ] # 17.28 [+0.04] TEST: Set metric with peer route on local side [ OK ] # 17.30 [+0.01] TEST: Set metric with peer route on peer side [ OK ] # 17.32 [+0.02] TEST: Modify metric and peer address on local side [ OK ] # 17.33 [+0.01] TEST: Modify metric and peer address on peer side [ OK ] # 17.49 [+0.16] # 17.49 [+0.00] IPv4 prefix route tests # 17.79 [+0.30] TEST: Default metric [ OK ] # 17.83 [+0.04] TEST: User specified metric on first device [ OK ] # 17.87 [+0.04] TEST: User specified metric on second device [ OK ] # 17.90 [+0.03] TEST: Delete of address on first device [ OK ] # 17.93 [+0.03] TEST: Modify metric of address [ OK ] # 17.96 [+0.03] TEST: Prefix route removed on link down [ OK ] # 17.99 [+0.03] TEST: Prefix route with metric on link up [ OK ] # 18.04 [+0.06] TEST: Modify metric of .0/24 address [ OK ] # 18.09 [+0.04] TEST: Set metric of address with peer route [ OK ] # 18.12 [+0.03] TEST: Modify metric and peer address for peer route [ OK ] # 18.30 [+0.18] # 18.30 [+0.00] IPv6 routes with metrics # 19.03 [+0.73] TEST: Single path route with mtu metric [ OK ] # 19.06 [+0.03] TEST: Multipath route via 2 single routes with mtu metric on first [ OK ] # 19.10 [+0.04] TEST: Multipath route via 2 single routes with mtu metric on 2nd [ OK ] # 19.12 [+0.02] TEST: MTU of second leg [ OK ] # 19.14 [+0.02] TEST: Multipath route with mtu metric [ OK ] # 19.17 [+0.03] TEST: Using route with mtu metric [ OK ] # 19.20 [+0.03] TEST: Invalid metric (fails metric_convert) [ OK ] # 19.48 [+0.27] # 19.48 [+0.00] IPv4 route add / append tests # 20.15 [+0.68] TEST: Single path route with mtu metric [ OK ] # 20.18 [+0.03] TEST: Multipath route with mtu metric [ OK ] # 20.21 [+0.03] TEST: Using route with mtu metric [ OK ] # 20.24 [+0.03] TEST: Invalid metric (fails metric_convert) [ OK ] # 20.51 [+0.27] # 20.51 [+0.00] IPv4 route with IPv6 gateway tests # 23.22 [+2.71] TEST: Single path route with IPv6 gateway [ OK ] # 23.26 [+0.04] TEST: Single path route with IPv6 gateway - ping [ OK ] # 23.27 [+0.01] TEST: Single path route delete [ OK ] # 23.30 [+0.02] TEST: Multipath route add - v6 nexthop then v4 [ OK ] # 23.33 [+0.03] TEST: Multipath route delete - nexthops in wrong order [ OK ] # 23.34 [+0.01] TEST: Multipath route delete exact match [ OK ] # 23.36 [+0.01] TEST: Multipath route add - v4 nexthop then v6 [ OK ] # 23.38 [+0.03] TEST: Multipath route delete - nexthops in wrong order [ OK ] # 23.40 [+0.02] TEST: Multipath route delete exact match [ OK ] # 23.65 [+0.26] # 23.65 [+0.00] IPv4 rp_filter tests # 24.59 [+0.94] TEST: rp_filter passes local packets [ OK ] # 24.61 [+0.02] TEST: rp_filter passes loopback packets [ OK ] # 24.75 [+0.14] # 24.75 [+0.00] IPv4 delete address route tests # 25.22 [+0.47] Regular FIB info # 25.25 [+0.02] TEST: Route removed from VRF when source address deleted [ OK ] # 25.26 [+0.01] TEST: Route in default VRF not removed [ OK ] # 25.31 [+0.05] TEST: Route removed in default VRF when source address deleted [ OK ] # 25.32 [+0.01] TEST: Route in VRF is not removed by address delete [ OK ] # 25.32 [+0.00] Identical FIB info with different table ID # 25.34 [+0.02] TEST: Route removed from VRF when source address deleted [ OK ] # 25.35 [+0.01] TEST: Route in default VRF not removed [ OK ] # 25.40 [+0.05] TEST: Route removed in default VRF when source address deleted [ OK ] # 25.41 [+0.01] TEST: Route in VRF is not removed by address delete [ OK ] # 25.41 [+0.00] Table ID 0 # 25.43 [+0.02] TEST: Route removed in default VRF when source address deleted [ OK ] # 25.64 [+0.21] # 25.64 [+0.00] IPv6 delete address route tests # 26.28 [+0.64] Single device using src address # 26.30 [+0.02] TEST: Prefsrc removed when src address removed on other device [ OK ] # 26.30 [+0.00] Two devices with the same source address # 26.32 [+0.02] TEST: Prefsrc not removed when src address exist on other device [ OK ] # 26.34 [+0.02] TEST: Prefsrc removed when src address removed on all devices [ OK ] # 26.34 [+0.00] VRF with single device using src address # 26.37 [+0.02] TEST: Prefsrc removed when src address removed on other device [ OK ] # 26.37 [+0.00] VRF with two devices using src address # 26.39 [+0.02] TEST: Prefsrc not removed when src address exist on other device [ OK ] # 26.40 [+0.02] TEST: Prefsrc removed when src address removed on all devices [ OK ] # 26.41 [+0.00] src address and nexthop dev in same VRF # 26.42 [+0.02] TEST: Prefsrc removed from VRF when source address deleted [ OK ] # 26.44 [+0.01] TEST: Prefsrc in default VRF not removed [ OK ] # 26.48 [+0.04] TEST: Prefsrc not removed from VRF when source address exist [ OK ] # 26.49 [+0.01] TEST: Prefsrc in default VRF removed [ OK ] # 26.49 [+0.00] src address and nexthop device in different VRF # 26.51 [+0.02] TEST: Prefsrc not removed from VRF when nexthop dev in diff VRF [ OK ] # 26.52 [+0.01] TEST: Prefsrc not removed in default VRF [ OK ] # 26.55 [+0.04] TEST: Prefsrc removed from VRF when nexthop dev in diff VRF [ OK ] # 26.57 [+0.01] TEST: Prefsrc removed in default VRF [ OK ] # 26.57 [+0.00] Table ID 0 # 26.59 [+0.02] TEST: Prefsrc removed from default VRF when source address deleted [ OK ] # 26.59 [+0.00] Link local source route # 26.61 [+0.02] TEST: Prefsrc not removed when delete ll addr from other dev [ OK ] # 26.64 [+0.02] TEST: Prefsrc removed when delete ll addr [ OK ] # 26.65 [+0.01] TEST: Prefsrc not removed when delete ll addr from other dev [ OK ] # 26.68 [+0.03] TEST: Prefsrc removed even ll addr still exist on other dev [ OK ] # 27.07 [+0.39] # 27.07 [+0.00] IPv4 mangling tests # 30.36 [+3.29] TEST: Connection with correct parameters [ OK ] # 30.39 [+0.03] TEST: Connection with incorrect parameters [ OK ] # 30.96 [+0.57] TEST: Connection with correct parameters - mangling [ OK ] # 31.52 [+0.57] TEST: Connection with correct parameters - no mangling [ OK ] # 31.53 [+0.01] TEST: Connection check - server side [ OK ] # 31.82 [+0.29] # 31.82 [+0.00] IPv6 mangling tests # 35.05 [+3.23] TEST: Connection with correct parameters [ OK ] # 35.08 [+0.03] TEST: Connection with incorrect parameters [ OK ] # 35.64 [+0.56] TEST: Connection with correct parameters - mangling [ OK ] # 36.22 [+0.58] TEST: Connection with correct parameters - no mangling [ OK ] # 36.23 [+0.01] TEST: Connection check - server side [ OK ] # 36.56 [+0.33] # 36.56 [+0.00] IPv4 broadcast neighbour tests # 36.89 [+0.33] TEST: Resolved neighbour for broadcast address [ OK ] # 36.90 [+0.01] TEST: Resolved neighbour for network broadcast address [ OK ] # 36.92 [+0.01] TEST: Unresolved neighbour for broadcast address [ OK ] # 36.93 [+0.01] TEST: Unresolved neighbour for network broadcast address [ OK ] # 37.22 [+0.29] # 37.22 [+0.00] Fib6 garbage collection test # 49.39 [+12.16] TEST: ipv6 route garbage collection [ OK ] # 61.69 [+12.31] TEST: ipv6 route garbage collection (with permanent routes) [ OK ] # 74.20 [+12.50] TEST: ipv6 route garbage collection (replace with expires) [ OK ] # 86.38 [+12.19] TEST: ipv6 route garbage collection (replace with permanent) [ OK ] # 99.62 [+13.24] TEST: ipv6 route garbage collection (RA message) [ OK ] # 99.72 [+0.10] # 99.72 [+0.00] IPv4 multipath list receive tests # 100.83 [+1.11] TEST: Multipath route hit ratio (1.00) [ OK ] # 101.05 [+0.22] # 101.05 [+0.00] IPv6 multipath list receive tests # 102.18 [+1.13] TEST: Multipath route hit ratio (.99) [ OK ] # 102.41 [+0.23] # 102.41 [+0.00] IPv4 multipath load balance test # 104.35 [+1.94] TEST: IPv4 multipath loadbalance [ OK ] # 104.65 [+0.30] # 104.65 [+0.00] IPv6 multipath load balance test # 108.81 [+4.16] TEST: IPv6 multipath loadbalance [ OK ] # 109.08 [+0.27] # 109.08 [+0.00] Tests passed: 231 # 109.08 [+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__->