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] -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1626222 Title: STC860:alpine-pdq:alpdq5p03: kernel panic when adding vnic Status in linux package in Ubuntu: Fix Released Status in linux source package in Xenial: Fix Committed Status in linux source package in Yakkety: Fix Released Bug description: Description: Ubuntu 16.04 LTS Linux alpdq5p03 4.4.0-22-generic #40-Ubuntu SMP Thu May 12 22:03:35 UTC 2016 ppc64le ppc64le ppc64le GNU/Linux Problem Description : When I created a vNIC on alpdq5p03 using U78C7.001.KIC1906-P1-C12-T1 via alpdq5p08 and U78C7.001.KIC1906-P1-C12-T2 via alpdq5p09 as the backing devices I got a kernel panic. [ 129.977324] ibmvnic 30000004: Virtual Adapter failed (rc=8) [ 129.977346] Unable to handle kernel paging request for data at address 0x000000f1 [ 129.977351] Faulting instruction address: 0xd000000010882434 [ 129.977355] Oops: Kernel access of bad area, sig: 11 [#1] [ 129.977359] SMP NR_CPUS=2048 NUMA pSeries [ 129.977364] Modules linked in: ibmvnic rpadlpar_io rpaphp nfsv3 nfs_acl rpcsec_gss_krb5 auth_rpcgss nfsv4 nfs lockd grace fscache dccp_diag dccp tcp_diag udp_diag inet_diag unix_diag af_packet_diag netlink_diag rtc_generic pseries_rng binfmt_misc sunrpc autofs4 ibmvscsi ibmveth [ 129.977392] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.4.0-22-generic #40-Ubuntu [ 129.977397] task: c0000000015566b0 ti: c000001ffffd8000 task.ti: c0000000015b0000 [ 129.977401] NIP: d000000010882434 LR: d000000010882420 CTR: c0000000002b25f0 [ 129.977406] REGS: c000001ffffdb9c0 TRAP: 0300 Not tainted (4.4.0-22-generic) [ 129.977410] MSR: 8000000000009033 <SF,EE,ME,IR,DR,RI,LE> CR: 48048224 XER: 20000010 [ 129.977422] CFAR: c000000000008468 DAR: 00000000000000f1 DSISR: 40000000 SOFTE: 0 GPR00: d000000010882420 c000001ffffdbc40 d000000010894240 0000000000000000 GPR04: c000001ff4039ee0 0000000000000000 0000001ffdd80000 0000000000002082 GPR08: c000000000f9fda8 c000000000f9fda8 0000001ffdd80000 d0000000108896e8 GPR12: c0000000002b25f0 c00000000e7e0000 c0000000015eef18 c000000000f9d678 GPR16: 0000000000000001 0000000000000000 c000001fd3960e18 c000001fd3960db0 GPR20: c0000000015b0000 c000001fd3960d98 c000001fd3960e08 c000001fd3960900 GPR24: c000001fd3960d88 c000001fd39bf000 c000001fd39bf048 0000000000000000 GPR28: 0000000000000100 0000000000000200 00000000000000f0 c000001fd3960900 [ 129.977482] NIP [d000000010882434] ibmvnic_free_inflight+0x104/0x330 [ibmvnic] [ 129.977488] LR [d000000010882420] ibmvnic_free_inflight+0xf0/0x330 [ibmvnic] [ 129.977492] Call Trace: [ 129.977496] [c000001ffffdbc40] [d000000010882420] ibmvnic_free_inflight+0xf0/0x330 [ibmvnic] (unreliable) [ 129.977503] [c000001ffffdbce0] [d000000010887188] ibmvnic_handle_crq+0x3a8/0x2010 [ibmvnic] [ 129.977509] [c000001ffffdbda0] [d000000010888ea8] ibmvnic_interrupt+0xb8/0x198 [ibmvnic] [ 129.977517] [c000001ffffdbe10] [c000000000130660] handle_irq_event_percpu+0xa0/0x320 [ 129.977523] [c000001ffffdbed0] [c000000000130948] handle_irq_event+0x68/0xc0 [ 129.977528] [c000001ffffdbf00] [c000000000135c2c] handle_fasteoi_irq+0xec/0x2b0 [ 129.977534] [c000001ffffdbf30] [c00000000012f844] generic_handle_irq+0x54/0x80 [ 129.977539] [c000001ffffdbf60] [c000000000011320] __do_irq+0x80/0x1d0 [ 129.977545] [c000001ffffdbf90] [c000000000024800] call_do_irq+0x14/0x24 [ 129.977550] [c0000000015b39a0] [c000000000011508] do_IRQ+0x98/0x140 [ 129.977555] [c0000000015b39f0] [c000000000002594] hardware_interrupt_common+0x114/0x180 [ 129.977563] --- interrupt: 501 at plpar_hcall_norets+0x1c/0x28 [ 129.977563] LR = check_and_cede_processor+0x34/0x50 [ 129.977570] [c0000000015b3ce0] [c00000000090d9f0] check_and_cede_processor+0x20/0x50 (unreliable) [ 129.977576] [c0000000015b3d40] [c00000000090da94] dedicated_cede_loop+0x74/0x190 [ 129.977582] [c0000000015b3d80] [c00000000090ac20] cpuidle_enter_state+0x160/0x410 [ 129.977588] [c0000000015b3de0] [c000000000119a88] call_cpuidle+0x78/0xd0 [ 129.977593] [c0000000015b3e20] [c000000000119e5c] cpu_startup_entry+0x37c/0x480 [ 129.977599] [c0000000015b3ee0] [c00000000000bdcc] rest_init+0xac/0xc0 [ 129.977605] [c0000000015b3f00] [c000000000ea3f5c] start_kernel+0x53c/0x558 [ 129.977610] [c0000000015b3f90] [c000000000008c6c] start_here_common+0x20/0xa8 [ 129.977615] Instruction dump: [ 129.977617] e95e0010 7fc3f378 f92a0008 f9490000 fb9e0010 fbbe0018 480072cd e8410018 [ 129.977626] ebde0010 7fb6f040 3bdefff0 419e00f4 <893e0001> 2f890009 409effb4 7ea3ab78 [ 129.977636] ---[ end trace 79d415687d3074f2 ]--- [ 129.979495] [ 131.979529] Kernel panic - not syncing: Fatal exception in interrupt [ 131.985480] ---[ end Kernel panic - not syncing: Fatal exception in interrupt There was a fix for this particular bug in the ibmvnic_free_inflight function pushed upstream. Here is the commit (actually noticed by someone else independently before I could push my own patch) https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=96183182ad05d1ce31b9048921c12bf4ad621eaf This patch should fix this kernel panic. A test kernel needs to be built and tested but mirroring to Launchpad for a heads up to Canonical. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1626222/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
