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
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