[Openstack] kernel panic on compute node
Priyanka
ppnaik at cse.iitb.ac.in
Wed Jun 3 07:02:06 UTC 2015
Hi,
Will updating the kernel cause any instability to the openstack setup?
Thanks,
Priyanka
On Wednesday 03 June 2015 11:33 AM, Matt Taylor wrote:
> Sorry for late reply.
>
> That kernel you listed was released on 2014-12-18.
>
> There has been lots of security updates and bug fixes since.
>
> The current (latest) version is:
>
> 3.10.0-229.4.2.el7.x86_64
>
> Please update. :)
>
> Regards,
> Matt.
>
> On 2/06/2015 16:31, Priyanka wrote:
>> Sir,
>>
>> uname -r
>>
>> 3.10.0-123.13.2.el7.x86_64
>>
>> I have stopped iptables services since the start. So, should I still
>> follow what they have mentioned in the 5th comment?
>>
>> Thanks,
>>
>> Priyanka
>>
>>
>> On Tuesday 02 June 2015 11:49 AM, Matt Taylor wrote:
>>> Hi Priyanka,
>>>
>>> Are you using an old kernel ('uname -r' please)? I've seen issues with
>>> unlink_anon_vmas in Fedora, so this is rather interesting.
>>>
>>> In regards to the 2nd kernel panic, it indicates that it's due to
>>> iptables and get_counters.
>>>
>>> It's possibly related to this:
>>>
>>> https://bugzilla.redhat.com/show_bug.cgi?id=1089569
>>>
>>> Might be worth trying what was mentioned in the 5th comment.
>>>
>>> Regards,
>>> Matt.
>>>
>>> On 2/06/2015 15:14, Priyanka wrote:
>>>> Hi,
>>>>
>>>> I have an Openstack Juno setup with one controller node and 3 compute
>>>> nodes. I installed it using packstack on centOS 7. One of the compute
>>>> node crashed twice. First crash was two days back and second one
>>>> today.
>>>> It automatically restarts after the crash. The crash log in /var/crash
>>>> were different in both the instances.
>>>>
>>>> Crash 1 log:
>>>>
>>>> |CPU: 5 PID: 16617 Comm: pickupNot
>>>> tainted3.10.0-123.13.2.el7.x86_64#1
>>>> [11971.208387] Hardware name: Intel Corporation S2600CP/S2600CP,
>>>> BIOS SE5C600.86B.02.02.0002.122320131210 12/23/2013
>>>> [11971.208389] ffff8807de2b1cc800000000a2deb902 ffff8807de2b1c80
>>>> ffffffff815e232c
>>>> [11971.208392] ffff8807de2b1cb8 ffffffff8105dee1 ffff8807f8e85f50
>>>> ffff8807f8e85f40
>>>> [11971.208394] ffff8807f90db0c0 ffff8807f8e85f50 ffff8807f90db0c0
>>>> ffff8807de2b1d20
>>>> [11971.208396] Call Trace:
>>>> [11971.208401] [<ffffffff815e232c>] dump_stack+0x19/0x1b
>>>> [11971.208405] [<ffffffff8105dee1>] warn_slowpath_common+0x61/0x80
>>>> [11971.208408] [<ffffffff8105df5c>] warn_slowpath_fmt+0x5c/0x80
>>>> [11971.208410] [<ffffffff812cff82>] __list_del_entry+0x82/0xd0
>>>> [11971.208412] [<ffffffff812cffdd>] list_del+0xd/0x30
>>>> [11971.208415] [<ffffffff811776a3>] unlink_anon_vmas+0x93/0x180
>>>> [11971.208418] [<ffffffff81168b88>] free_pgtables+0xa8/0x120
>>>> [11971.208420] [<ffffffff81173556>] exit_mmap+0xc6/0x1a0
>>>> [11971.208422] [<ffffffff8105b187>] mmput+0x67/0xf0
>>>> [11971.208424] [<ffffffff81063dac>] do_exit+0x28c/0xa60
>>>> [11971.208426] [<ffffffff810645ff>] do_group_exit+0x3f/0xa0
>>>> [11971.208428] [<ffffffff81064674>] SyS_exit_group+0x14/0x20
>>>> [11971.208431] [<ffffffff815f2a19>] system_call_fastpath+0x16/0x1b
>>>> [11971.208432] ---[ end trace ebed116bce4ce8eb]---
>>>> [11971.208437] BUG: unable to handle kernel NULL pointer
>>>> dereference at(null)
>>>> [11971.208471] IP: [<ffffffff81177663>] unlink_anon_vmas+0x53/0x180
>>>> [11971.208493] PGD0
>>>> [11971.208502] Oops: 0000 [#1] SMP|
>>>>
>>>> Crash 2 log:
>>>>
>>>> |[321808.123092] BUG: unable to handle kernel paging request at
>>>> ffffc90017456008
>>>> [321808.123122] IP: [<ffffffffa03a8521>] get_counters+0x91/0xd0
>>>> [ip_tables]
>>>> [321808.123146] PGD81d437067 PUD81d4a4067 PMD7ec309067 PTE0
>>>> [321808.123167] Oops: 0002 [#1] SMP
>>>> [321808.123179] Modules linkedin: dummy vhost_net macvtap macvlan
>>>> tun iptable_nat nf_nat_ipv4 nf_nat iptable_raw iptable_filter
>>>> ip_tables nf_conntrack_ipv6 nf_defrag_ipv6 xt_mac xt_physdev xt_set
>>>> ip_set_hash_ip ip_set nfnetlink veth ip6table_filter ip6_tables
>>>> ebtable_nat ebtables openvswitch vxlan ip_tunnel gre sg ipt_REJECT
>>>> xt_comment xt_conntrack xt_multiport nf_conntrack_ipv4 nf_defrag_ipv4
>>>> nf_conntrack coretemp kvm_intel kvm crct10dif_pclmul iTCO_wdt
>>>> iTCO_vendor_support crc32_pclmul crc32c_intel ghash_clmulni_intel
>>>> sb_edac edac_core pcspkr lpc_ich ioatdma i2c_i801 mfd_core
>>>> aesni_intel lrw gf128mul glue_helper ablk_helper cryptd mei_me mei
>>>> shpchp wmi acpi_cpufreq mperf nfsd auth_rpcgss nfs_acl lockd sunrpc
>>>> bridge stp llc xfs libcrc32c sd_mod crc_t10di
>>>> f crct10d
>>>>
>>>> if_common mgag200 syscopyarea sysfillrect
>>>> [321808.123452] sysimgblt drm_kms_helper ttm isci igb ahci drm
>>>> libsas libahci ptp scsi_transport_sas pps_core dca libata
>>>> i2c_algo_bit i2c_core dm_mirror dm_region_hash dm_log dm_mod[last
>>>> unloaded: ip_tables]
>>>> [321808.123521] CPU: 10 PID: 110268 Comm: iptables-saveNot
>>>> tainted3.10.0-123.13.2.el7.x86_64#1
>>>> [321808.123547] Hardware name: Intel Corporation
>>>> S2600CP/S2600CP, BIOS SE5C600.86B.02.02.0002.122320131210 12/23/2013
>>>> [321808.123577] task: ffff88080a8f38e0 ti: ffff8807ed398000
>>>> task.ti: ffff8807ed398000
>>>> [321808.123599] RIP: 0010:[<ffffffffa03a8521>]
>>>> [<ffffffffa03a8521>] get_counters+0x91/0xd0 [ip_tables]
>>>> [321808.123627] RSP: 0018:ffff8807ed399da8 EFLAGS: 00010286
>>>> [321808.123643] RAX: ffffc90014ab72e8 RBX: 0000000000010380 RCX:
>>>> ffffc90017456000
>>>> [321808.123664] RDX: 0000000000000054 RSI: 0000000000000000 RDI:
>>>> ffff88081e290380
>>>> [321808.123685] RBP: ffff8807ed399dc8 R08: 0000000000000101 R09:
>>>> ffff8807ed96caa0
>>>> [321808.123706] R10: 0000000000000000 R11: ffffffff8117b2e8 R12:
>>>> ffffffff819e4aa0
>>>> [321808.123727] R13: ffff8807ed96c800 R14: ffffc90017455000 R15:
>>>> ffff88080c961ba0
>>>> [321808.123748] FS: 00007fdcc2078740(0000)
>>>> GS:ffff88081d940000(0000) knlGS:0000000000000000
>>>> [321808.123772] CS: 0010 DS: 0000 ES: 0000 CR0:
>>>> 0000000080050033
>>>> ||[321808.123789] CR2: ffffc90017456008 CR3: 00000007ec30e000 CR4:
>>>> 00000000001427e0
>>>> [321808.123810] DR0: 0000000000000000 DR1: 0000000000000000 DR2:
>>>> 0000000000000000
>>>> [321808.123831] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7:
>>>> 0000000000000400
>>>> |
>>>>
>>>> I am not able to debug the problem. The setup was working fine till
>>>> now.
>>>> I am unable to understand what is cuasing such a behaviour. Please
>>>> help.
>>>>
>>>>
>>>> Thanks,
>>>>
>>>> Priyanka
>>>>
>>>>
>>>>
>>>> _______________________________________________
>>>> Mailing list:
>>>> http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack
>>>> Post to : openstack at lists.openstack.org
>>>> Unsubscribe :
>>>> http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack
>>>>
>>>
>>> _______________________________________________
>>> Mailing list:
>>> http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack
>>> Post to : openstack at lists.openstack.org
>>> Unsubscribe :
>>> http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack
>>
>>
>> _______________________________________________
>> Mailing list:
>> http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack
>> Post to : openstack at lists.openstack.org
>> Unsubscribe :
>> http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack
>
> _______________________________________________
> Mailing list:
> http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack
> Post to : openstack at lists.openstack.org
> Unsubscribe :
> http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack
More information about the Openstack
mailing list