Comment 12 for bug 1626222

Reposting internal comment to make it visible to Canonical and hopefully with Thomas' help determine if this should be marked as verification-failed-xenial and additional patches will be necessary.

> Att: Linux team,
>
> I installed the latest ubuntu package. Here is the details.
>
> hmc alphmc4
> cec : rdx2fp1
> lpar : rdx2p03
>
> # uname -a
> Linux rdx2p03 4.4.0-44-generic #64-Ubuntu SMP Mon Oct 17 08:43:50 UTC 2016
> ppc64le ppc64le ppc64le GNU/Linux
>
> (0) root @ rdx2p03: /root
> # apt-get update
> Hit:1 http://us.ports.ubuntu.com/ubuntu-ports xenial InRelease
> Hit:2 http://us.ports.ubuntu.com/ubuntu-ports xenial-updates InRelease
> Hit:3 http://ports.ubuntu.com/ubuntu-ports xenial-security InRelease
> Hit:4 http://us.ports.ubuntu.com/ubuntu-ports xenial-backports InRelease
> Hit:5 http://ports.ubuntu.com/ubuntu-ports xenial-proposed InRelease
> Reading package lists... Done
>
> (0) root @ rdx2p03: /root
> # apt-get upgrade
> Reading package lists... Done
> Building dependency tree
> Reading state information... Done
> Calculating upgrade... Done
> 0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
>
> (0) root @ rdx2p03: /root
> # apt-get dist-upgrade
> Reading package lists... Done
> Building dependency tree
> Reading state information... Done
> Calculating upgrade... Done
> 0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
>
> (0) root @ rdx2p03: /root
>
> I was able to create vNIC and backing device.
>
> No response for lspci.
>
> # ip link
> 1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN mode
> DEFAULT group default qlen 1
> link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
> 2: ibmveth2: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast
> state UNKNOWN mode DEFAULT group default qlen 1000
> link/ether 06:73:67:dd:71:02 brd ff:ff:ff:ff:ff:ff
> 3: eth0: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN mode DEFAULT
> group default qlen 1000
> link/ether 06:73:67:dd:71:07 brd ff:ff:ff:ff:ff:ff
> 4: eth1: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN mode DEFAULT
> group default qlen 1000
> link/ether 06:73:67:dd:71:08 brd ff:ff:ff:ff:ff:ff
>
> But build_net help failed with oops msg
>
> Automation script will now try to detect your network topology.
> In case of errors manually edit bpt file and run build_net bpt to setup
> hxecom networks
> [ 140.400376] Unable to handle kernel paging request for data at address
> 0x00000000
> [ 140.400386] Faulting instruction address: 0xd0000000017b6534
> [ 140.400391] Oops: Kernel access of bad area, sig: 11 [#1]
> [ 140.400393] SMP NR_CPUS=2048 NUMA pSeries
> [ 140.400398] ibmvnic 30000007: Error 7 in QUERY_MAP_RSP
> [ 140.400403] Modules linked in: rpadlpar_io rpaphp dccp_diag dccp tcp_diag
> udp_diag inet_diag unix_diag af_packet_diag netlink_diag binfmt_misc
> pseries_rng rtc_generic dm_round_robin sunrpc dm_multipath autofs4 ibmvnic
> ibmveth ibmvscsi
> [ 140.400421] CPU: 5 PID: 13808 Comm: ip Tainted: G W
> 4.4.0-44-generic #64-Ubuntu
> [ 140.400424] task: c00000014b4d26e0 ti: c00000014b5b4000 task.ti:
> c00000014b5b4000
> [ 140.400427] NIP: d0000000017b6534 LR: d0000000017b65f0 CTR:
> 00000000004526e0
> [ 140.400430] REGS: c00000014b5b70c0 TRAP: 0300 Tainted: G W
> (4.4.0-44-generic)
> [ 140.400433] MSR: 8000000000009033 <SF,EE,ME,IR,DR,RI,LE> CR: 24008284
> XER: 00000001
> [ 140.400442] CFAR: c000000000008468 DAR: 0000000000000000 DSISR: 40000000
> SOFTE: 1
> GPR00: d0000000017b65f0 c00000014b5b7340 d0000000017c4250 c0000001fbe62900
> GPR04: 0000000000010360 0000000000000000 0000000000000360 0000000000000000
> GPR08: 0000000000000000 0000000000000000 0000000000000000 00000000004526e0
> GPR12: 0000000000008800 c00000000fb42f80 00003fffd49ce548 0000000000000000
> GPR16: c0000001fbe62000 0000000000000000 c0000000fcf79300 c0000001f89c3448
> GPR20: 0000000000000000 c0000001f89c3400 0000000000000010 0000000000000000
> GPR24: d0000000017b6670 0000000000000000 0000000000000000 0000000000000000
> GPR28: c0000001fbe62900 0000000000000004 0000000000000001 0000000000000000
> [ 140.400481] NIP [d0000000017b6534] ibmvnic_open+0x894/0x9d0 [ibmvnic]
> [ 140.400485] LR [d0000000017b65f0] ibmvnic_open+0x950/0x9d0 [ibmvnic]
> [ 140.400487] Call Trace:
> [ 140.400490] [c00000014b5b7340] [d0000000017b65f0]
> ibmvnic_open+0x950/0x9d0 [ibmvnic] (unreliable)
> [ 140.400497] [c00000014b5b7440] [c00000000098cc20] __dev_open+0x160/0x220
> [ 140.400501] [c00000014b5b74d0] [c00000000098d0b8]
> __dev_change_flags+0xd8/0x1e0
> [ 140.400504] [c00000014b5b7550] [c00000000098d208]
> dev_change_flags+0x48/0xa0
> [ 140.400508] [c00000014b5b75a0] [c0000000009a28a8] do_setlink+0x388/0xd00
> [ 140.400511] [c00000014b5b7700] [c0000000009a3920] rtnl_newlink+0x580/0x9b0
> [ 140.400514] [c00000014b5b79c0] [c0000000009a1c80]
> rtnetlink_rcv_msg+0x140/0x2c0
> [ 140.400518] [c00000014b5b7a40] [c0000000009d4288]
> netlink_rcv_skb+0x118/0x150
> [ 140.400522] [c00000014b5b7a80] [c0000000009a1b14] rtnetlink_rcv+0x44/0x70
> [ 140.400525] [c00000014b5b7ab0] [c0000000009d3678]
> netlink_unicast+0x198/0x240
> [ 140.400529] [c00000014b5b7b10] [c0000000009d3e2c]
> netlink_sendmsg+0x58c/0x6f0
> [ 140.400532] [c00000014b5b7bb0] [c00000000095e8dc] sock_sendmsg+0x6c/0xa0
> [ 140.400535] [c00000014b5b7be0] [c00000000095f69c]
> ___sys_sendmsg+0x2fc/0x310
> [ 140.400539] [c00000014b5b7d80] [c000000000960e10] __sys_sendmsg+0x60/0xc0
> [ 140.400543] [c00000014b5b7e30] [c000000000009204] system_call+0x38/0xb4
> [ 140.400545] Instruction dump:
> [ 140.400547] 89300ad0 2f890000 419e00dc e9500e58 39200000 3bc00000
> 2faa0000 419e0030
> [ 140.400553] e9500d30 79291f24 7f83e378 3bde0001 <7c8a482a> 7fde07b4
> 4bffa03d e9300e58
> [ 140.400560] ---[ end trace cedfa219b7b7feb2 ]---
> [ 140.402250]