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Errata.md

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This is a list of known problems in the latest code. This is a living document that will change over time as issues are resolved.

Broken Functionality

Tuntap mode:

  • incorporate qsfpd into vnetd so all i2c accesses are centralized and can be mutexed

  • multipath adjacency handling breaks gre (Stig's 4 inv rig - 2 paths one gre the other just eth - needs to be fixed)

  • inv5:/root/nsgreeth.sh doesn't ping - fib looks ok root@invader5:/home/dlobete/src/github.com/platinasystems/go# goes vnet show err Node Error Count
    fe1-rx management duplicate 58 fe1-single-tagged-punt not single vlan tagged 110

  • gre-tunnels: Having trouble getting a script working here. What is correct config for this case? See nsgrevnet.inv[5,4].sh

  • vnet interface not created in every namespace

SRIOV-mode:

  • panics on every goes start (unknown interface)
  • iperf load breaks punt-path
  • punt performance only 1 Gbps (punting through PCI)
  • Issue 78

Known panics

  1. sriov mode - on initial start

Aug 31 14:10:37 invader5 goes.vnetd[735]: panic: unknown interface: eth-1-0 Aug 31 14:10:37 invader5 goes.vnetd[735]: Aug 31 14:10:37 invader5 goes.vnetd[735]: goroutine 1 [running]: Aug 31 14:10:37 invader5 goes.vnetd[735]: github.com/platinasystems/go/vnet/unix.(*net_namespace_main).RegisterHwInterface(0xc420302088, 0x159a960, 0xc420da5fa8) Aug 31 14:10:37 invader5 goes.vnetd[735]: /home/dlobete/src/github.com/platinasystems/go/vnet/unix/net_namespace.go:719 +0x337 Aug 31 14:10:37 invader5 goes.vnetd[735]: github.com/platinasystems/fe1/internal/fe1a.(*Port).registerEthernet(0xc420da5fa8, 0xc420220000, 0xc420011198, 0x7, 0x101) Aug 31 14:10:37 invader5 goes.vnetd[735]: /home/dlobete/src/github.com/platinasystems/fe1/internal/fe1a/port_init.go:194 +0x1d7 Aug 31 14:10:37 invader5 goes.vnetd[735]: github.com/platinasystems/fe1/internal/fe1a.(*fe1a).addPort(0xc420900000, 0xc420da5fa8, 0xc420d9dba0) Aug 31 14:10:37 invader5 goes.vnetd[735]: /home/dlobete/src/github.com/platinasystems/fe1/internal/fe1a/port_init.go:229 +0x279 Aug 31 14:10:37 invader5 goes.vnetd[735]: github.com/platinasystems/fe1/internal/fe1a.(*fe1a).PortInit(0xc420900000, 0xc420220000) Aug 31 14:10:37 invader5 goes.vnetd[735]: /home/dlobete/src/github.com/platinasystems/fe1/internal/fe1a/port_init.go:443 +0x9b2 Aug 31 14:10:37 invader5 goes.vnetd[735]: github.com/platinasystems/fe1.(*SwitchConfig).Configure(0xc4207acad0, 0xc420220000, 0x7f4dd89eaf80, 0xc420900000) Aug 31 14:10:37 invader5 goes.vnetd[735]: /home/dlobete/src/github.com/platinasystems/fe1/fe1.go:50 +0x284 Aug 31 14:10:37 invader5 goes.vnetd[735]: github.com/platinasystems/fe1.(*platform).boardPortInit(0xc420072300, 0x7f4dd89eaf80, 0xc420900000, 0x7f4dd89eaf80, 0xc420900000) Aug 31 14:10:37 invader5 goes.vnetd[735]: /home/dlobete/src/github.com/platinasystems/fe1/platform.go:110 +0x30d Aug 31 14:10:37 invader5 goes.vnetd[735]: github.com/platinasystems/fe1.(*platform).Init(0xc420072300, 0x6, 0xa) Aug 31 14:10:37 invader5 goes.vnetd[735]: /home/dlobete/src/github.com/platinasystems/fe1/platform.go:52 +0x2d3 Aug 31 14:10:37 invader5 goes.vnetd[735]: github.com/platinasystems/go/vnet.(*packageMain).InitPackages(0xc420220a70, 0xc42016e620, 0x0) Aug 31 14:10:37 invader5 goes.vnetd[735]: /home/dlobete/src/github.com/platinasystems/go/vnet/package.go:190 +0x308 Aug 31 14:10:37 invader5 goes.vnetd[735]: github.com/platinasystems/go/vnet.(*Vnet).configure(0xc420220000, 0xc42016e620, 0xd30358, 0xc420123b00) Aug 31 14:10:37 invader5 goes.vnetd[735]: /home/dlobete/src/github.com/platinasystems/go/vnet/vnet.go:43 +0x5e