This bug is missing log files that will aid in diagnosing the problem. >From a terminal window please run:
apport-collect 1676786 and then change the status of the bug to 'Confirmed'. If, due to the nature of the issue you have encountered, you are unable to run this command, please add a comment stating that fact and change the bug status to 'Confirmed'. This change has been made by an automated script, maintained by the Ubuntu Kernel Team. ** Changed in: linux (Ubuntu) Status: New => Incomplete -- 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/1676786 Title: [Zesty] mlx5_core Kernel oops with bonding mode 1 and 6 Status in linux package in Ubuntu: Incomplete Bug description: We get kernel panic when we install a bond interface with two of Mellanox mlx5 NIC's and try to unload the bonding module. scenario: 1. network interfaces configuration # cat /etc/network/interfaces # This file describes the network interfaces available on your system # and how to activate them. For more information, see interfaces(5). # The loopback network interface auto lo iface lo inet loopback # The primary network interface auto eno1 iface eno1 inet dhcp #ens1f0 auto ens1f0 iface ens1f0 inet manual bond-master bond1 auto ens1f1 iface ens1f1 inet manual bond-master bond1 auto bond1 iface bond1 inet static address 27.65.194.1 netmask 255.255.255.0 bond-slaves ens1f0 ens1f1 bond-mode 1 bond-primary ens1f0 bond-miimon 100 iface bond1 inet6 static address 907c:c828:4d05:5bf8:0000:0000:0000:0002/127 # cat /etc/modprobe.d/bonding.conf options bonding mode=1 2. ifup bond1 3. modprobe -r bonding 4. OOPS Mar 12 16:44:32 qa-h-vrt-038 kernel: [ 540.443796] Oops: 0000 [#1] SMP Mar 12 16:44:32 qa-h-vrt-038 kernel: [ 540.444686] Modules linked in: mlx5_ib mlx5_core bonding mlx4_ib ib_core mlx4_en mlx4_core nfsv3 nfs fscache xt_CHECKSUM iptable_mangle ipt_MASQUERADE nf_nat_masquerade_ipv4 iptable_nat nf_nat_ipv4 nf_nat libcrc32c nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack nf_conntrack ipt_REJECT nf_reject_ipv4 xt_tcpudp bridge stp llc ebtable_filter ebtables ip6table_filter ip6_tables iptable_filter ipmi_ssif intel_rapl sb_edac edac_core x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel kvm irqbypass crct10dif_pclmul crc32_pclmul ghash_clmulni_intel pcbc aesni_intel aes_x86_64 crypto_simd glue_helper cryptd intel_cstate joydev input_leds intel_rapl_perf serio_raw lpc_ich hpilo ipmi_si ioatdma ipmi_devintf dca ipmi_msghandler shpchp mac_hid acpi_power_meter nfsd auth_rpcgss nfs_acl lockd grace sunrpc ip_tables Mar 12 16:44:32 qa-h-vrt-038 kernel: [ 540.469445] x_tables autofs4 hid_generic psmouse usbhid hid pata_acpi tg3 hpsa ptp scsi_transport_sas devlink pps_core wmi fjes [last unloaded: mlx5_core] Mar 12 16:44:32 qa-h-vrt-038 kernel: [ 540.473672] CPU: 23 PID: 4846 Comm: ifenslave Not tainted 4.10.0-9-generic #11-Ubuntu Mar 12 16:44:32 qa-h-vrt-038 kernel: [ 540.475894] Hardware name: HP ProLiant DL380p Gen8, BIOS P70 07/01/2015 Mar 12 16:44:32 qa-h-vrt-038 kernel: [ 540.478038] task: ffff9b8394e31680 task.stack: ffffb2ed054f4000 Mar 12 16:44:32 qa-h-vrt-038 kernel: [ 540.533408] RIP: 0010:mlx5_lag_netdev_event+0x1e6/0x230 [mlx5_core] Mar 12 16:44:32 qa-h-vrt-038 kernel: [ 540.590069] RSP: 0018:ffffb2ed054f7bd0 EFLAGS: 00010202 Mar 12 16:44:32 qa-h-vrt-038 kernel: [ 540.646302] RAX: 0000000000000002 RBX: ffff9b7f825f6000 RCX: 0000000000000000 Mar 12 16:44:32 qa-h-vrt-038 kernel: [ 540.701966] RDX: 0000000000000000 RSI: 0000000400000400 RDI: ffff9b7f840a00b0 Mar 12 16:44:32 qa-h-vrt-038 kernel: [ 540.756395] RBP: ffffb2ed054f7c18 R08: ffffffffc02fb000 R09: ffff9b7fa3117ea8 Mar 12 16:44:32 qa-h-vrt-038 kernel: [ 540.810250] R10: 0000000000000000 R11: 000000000051a84e R12: 0000000000000001 Mar 12 16:44:32 qa-h-vrt-038 kernel: [ 540.863569] R13: 0000000000000004 R14: ffff9b7fa3117ea8 R15: ffffffff8992b108 Mar 12 16:44:32 qa-h-vrt-038 kernel: [ 540.916725] FS: 00007fc6cca0e700(0000) GS:ffff9b83af0c0000(0000) knlGS:0000000000000000 Mar 12 16:44:32 qa-h-vrt-038 kernel: [ 541.020509] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 Mar 12 16:44:32 qa-h-vrt-038 kernel: [ 541.072342] CR2: 0000000000000002 CR3: 0000000817013000 CR4: 00000000001406e0 Mar 12 16:44:32 qa-h-vrt-038 kernel: [ 541.127206] Call Trace: Mar 12 16:44:32 qa-h-vrt-038 kernel: [ 541.180602] notifier_call_chain+0x4a/0x70 Mar 12 16:44:32 qa-h-vrt-038 kernel: [ 541.235310] raw_notifier_call_chain+0x16/0x20 Mar 12 16:44:32 qa-h-vrt-038 kernel: [ 541.287923] call_netdevice_notifiers_info+0x35/0x60 Mar 12 16:44:32 qa-h-vrt-038 kernel: [ 541.342951] netdev_upper_dev_unlink+0x72/0xb0 Mar 12 16:44:32 qa-h-vrt-038 kernel: [ 541.395322] bond_upper_dev_unlink.isra.42+0x18/0x40 [bonding] Mar 12 16:44:32 qa-h-vrt-038 kernel: [ 541.446520] __bond_release_one+0x170/0x550 [bonding] Mar 12 16:44:32 qa-h-vrt-038 kernel: [ 541.499303] ? netdev_info+0x6c/0x90 Mar 12 16:44:32 qa-h-vrt-038 kernel: [ 541.550677] bond_release+0x10/0x20 [bonding] Mar 12 16:44:32 qa-h-vrt-038 kernel: [ 541.602044] bond_option_slaves_set+0xe6/0x130 [bonding] Mar 12 16:44:32 qa-h-vrt-038 kernel: [ 541.653333] __bond_opt_set+0xe2/0x3a0 [bonding] Mar 12 16:44:32 qa-h-vrt-038 kernel: [ 541.703257] bond_opt_tryset_rtnl+0x56/0xa0 [bonding] Mar 12 16:44:32 qa-h-vrt-038 kernel: [ 541.751799] bonding_sysfs_store_option+0x35/0x70 [bonding] Mar 12 16:44:32 qa-h-vrt-038 kernel: [ 541.799933] dev_attr_store+0x18/0x30 Mar 12 16:44:32 qa-h-vrt-038 kernel: [ 541.846332] sysfs_kf_write+0x37/0x40 Mar 12 16:44:32 qa-h-vrt-038 kernel: [ 541.890905] kernfs_fop_write+0x11d/0x1b0 Mar 12 16:44:32 qa-h-vrt-038 kernel: [ 541.935415] __vfs_write+0x18/0x40 Mar 12 16:44:32 qa-h-vrt-038 kernel: [ 541.976508] vfs_write+0xb5/0x1a0 Mar 12 16:44:32 qa-h-vrt-038 kernel: [ 542.018692] SyS_write+0x55/0xc0 Mar 12 16:44:32 qa-h-vrt-038 kernel: [ 542.056645] entry_SYSCALL_64_fastpath+0x1e/0xad Mar 12 16:44:32 qa-h-vrt-038 kernel: [ 542.096526] RIP: 0033:0x7fc6cc52bd20 Mar 12 16:44:32 qa-h-vrt-038 kernel: [ 542.136659] RSP: 002b:00007ffc13c78d18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 Mar 12 16:44:32 qa-h-vrt-038 kernel: [ 542.219432] RAX: ffffffffffffffda RBX: 00007fc6cc7f5b58 RCX: 00007fc6cc52bd20 Mar 12 16:44:32 qa-h-vrt-038 kernel: [ 542.262617] RDX: 0000000000000008 RSI: 000056541f282ea0 RDI: 0000000000000001 Mar 12 16:44:32 qa-h-vrt-038 kernel: [ 542.306153] RBP: 00007fc6cc7f5b00 R08: 00007fc6cc7f5c78 R09: 000056541f04b8a8 Mar 12 16:44:32 qa-h-vrt-038 kernel: [ 542.349657] R10: 000056541f282ea0 R11: 0000000000000246 R12: 00007fc6cc7f5b58 Mar 12 16:44:32 qa-h-vrt-038 kernel: [ 542.392097] R13: 0000000000002010 R14: 00007fc6cc7f5b58 R15: 000000000000270f Mar 12 16:44:32 qa-h-vrt-038 kernel: [ 542.431871] Code: 39 be 68 ff ff ff 74 5b 4d 39 be 78 ff ff ff 74 48 83 45 c0 01 eb cb 8b 45 c4 85 c0 0f 84 42 ff ff ff 48 8b 45 b8 48 85 c0 74 03 <44> 8b 28 83 7d c0 02 75 21 83 7d c4 03 75 1b 41 8d 45 fc 83 f8 Mar 12 16:44:32 qa-h-vrt-038 kernel: [ 542.558999] RIP: mlx5_lag_netdev_event+0x1e6/0x230 [mlx5_core] RSP: ffffb2ed054f7bd0 Mar 12 16:44:32 qa-h-vrt-038 kernel: [ 542.645369] CR2: 0000000000000002 Mar 12 16:44:32 qa-h-vrt-038 kernel: [ 542.687127] ---[ end trace 92901adbd279c621 ]--- Mar 12 16:45:13 qa-h-vrt-038 systemd[1]: Reloading. we already fix the issue and we are going to send it upstream, I will send it also to canonical kernel team mailing list. Thanks, Talat To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1676786/+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