https://lists.ubuntu.com/archives/kernel-team/2017-March/083324.html
** Changed in: linux (Ubuntu Zesty)
Status: Incomplete => Fix Committed
** Changed in: linux (Ubuntu Zesty)
Assignee: (unassigned) => Tim Gardner (timg-tpi)
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https://bugs.launchpad.net/bugs/1676786
Title:
[Zesty] mlx5_core Kernel oops with bonding mode 1 and 6
Status in linux package in Ubuntu:
Fix Committed
Status in linux source package in Zesty:
Fix Committed
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
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