DPDK: with Netns sometimes kernel crash is seen
Affects | Status | Importance | Assigned to | Milestone | ||
---|---|---|---|---|---|---|
Juniper Openstack | Status tracked in Trunk | |||||
R4.0 |
Fix Committed
|
High
|
Vinod Nair | |||
Trunk |
Fix Committed
|
High
|
Vinod Nair |
Bug Description
With Lbaas on dpdk , vrouter crashes or the kernel crashes. This is to track the kernel crash
6459.111459] ------------[ cut here ]------------
[16459.126781] kernel BUG at /build/
[16459.161261] invalid opcode: 0000 [#1] SMP
[16459.179984] Modules linked in: rte_kni(OE) igb_uio(OE) veth xt_CHECKSUM iptable_mangle ipt_MASQUERADE nf_nat_
[16459.451793] vhost macvtap macvlan lp parport ses enclosure hid_generic i40e ixgbe igb vxlan mpt3sas ip6_udp_tunnel usbhid i2c_algo_bit mdio udp_tunnel dca ahci hid raid_class ptp libahci scsi_transport_sas pps_core fjes [last unloaded: igb_uio]
[16459.595452] CPU: 25 PID: 23353 Comm: ip Tainted: G OE 4.4.0-31-generic #50~14.04.1-Ubuntu
[16459.673869] Hardware name: Supermicro SSG-6027R-
[16459.757228] task: ffff8818528b1b80 ti: ffff88183f0bc000 task.ti: ffff88183f0bc000
[16459.845449] RIP: 0010:[<
[16459.938533] RSP: 0018:ffff88183f
[16459.986174] RAX: ffff8820351ce090 RBX: ffff8820351ce000 RCX: 0000000000000020
[16460.034563] RDX: 0000000000000100 RSI: 0000000000000100 RDI: ffffffff81d385a0
[16460.082646] RBP: ffff88183f0bfc30 R08: 0000000000000003 R09: 0000000000000000
[16460.130450] R10: 00000000353f9d01 R11: ffffea0080d4fe40 R12: ffff8820351ce450
[16460.178029] R13: 00000001003da50a R14: 00000001003da50a R15: 00000000000000fa
[16460.224782] FS: 00007f5d5ebea74
[16460.317730] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[16460.364254] CR2: 0000000000610a68 CR3: 000000184daca000 CR4: 00000000000406e0
[16460.410719] Stack:
[16460.455625] ffff88203458b100 ffff8820351ce000 ffff88183f0bfbf8 ffff88183f0bfbf8
[16460.545971] ffff88203458b100 ffff88203458b100 ffff882035ad7000 0000000000000020
[16460.634642] 0000000000000000 ffff88183f0bfc48 ffffffff8170259d ffff88203358e000
[16460.725128] Call Trace:
[16460.768897] [<ffffffff81702
[16460.812784] [<ffffffff81724
[16460.855893] [<ffffffff81725
[16460.898045] [<ffffffff8137c
[16460.939790] [<ffffffff816d6
[16460.980983] [<ffffffff816d7
[16461.021279] [<ffffffff81191
[16461.100271] [<ffffffff811b1
[16461.140124] [<ffffffff81214
[16461.179255] [<ffffffff816d7
[16461.217240] [<ffffffff816d8
[16461.254629] [<ffffffff817f6
[16461.292016] Code: 00 00 48 c7 c7 b8 97 b6 81 e8 e5 69 98 ff e9 14 ff ff ff be
root@cmbu-
DISTRIB_ID=Ubuntu
DISTRIB_
DISTRIB_
DISTRIB_
root@cmbu-
Linux cmbu-starwars-01 4.4.0-31-generic #50~14.04.1-Ubuntu SMP Wed Jul 13 01:07:32 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux
Kernel Coredump in : /cs-shared/
Version: 4.0.0.0-5 Mitaka
summary: |
- DPDK: with Lbbas sometimes kernel crash is also seen + DPDK: with Lbaas sometimes kernel crash is also seen |
description: | updated |
tags: | added: blocker crashes |
tags: |
added: releasenote removed: blocker |
information type: | Proprietary → Public |
Vinod, as discussed, can you pl downgrade the kernel to 3.13.0.x and also use my debug image and see if the crash happens.