Public bug reported:
I've booted two instances from the same backing image (http://cloud-
images.ubuntu.com/trusty/current/trusty-server-cloudimg-
amd64-disk1.img), one using locally attached storage for the boot
volume, one using a Cinder volume. The instance booted from cinder
volume shows a cloud-init trace in the console log, while the local
instance works correctly.
Instance booted from volume:
Cloud-init v. 0.7.5 running 'init' at Wed, 27 Jun 2018 09:43:10 +0000. Up 15.61
seconds.
ci-info: ++++++++++++++++++++++++++Net device info+++++++++++++++++++++++++++
ci-info: +--------+------+--------------+---------------+-------------------+
ci-info: | Device | Up | Address | Mask | Hw-Address |
ci-info: +--------+------+--------------+---------------+-------------------+
ci-info: | lo | True | 127.0.0.1 | 255.0.0.0 | . |
ci-info: | eth0 | True | 192.168.21.8 | 255.255.255.0 | fa:16:3e:aa:c3:54 |
ci-info: +--------+------+--------------+---------------+-------------------+
ci-info: +++++++++++++++++++++++++++++++++++Route
info+++++++++++++++++++++++++++++++++++
ci-info:
+-------+-----------------+--------------+-----------------+-----------+-------+
ci-info: | Route | Destination | Gateway | Genmask | Interface
| Flags |
ci-info:
+-------+-----------------+--------------+-----------------+-----------+-------+
ci-info: | 0 | 0.0.0.0 | 192.168.21.1 | 0.0.0.0 | eth0
| UG |
ci-info: | 1 | 169.254.169.254 | 192.168.21.1 | 255.255.255.255 | eth0
| UGH |
ci-info: | 2 | 192.168.21.0 | 0.0.0.0 | 255.255.255.0 | eth0
| U |
ci-info:
+-------+-----------------+--------------+-----------------+-----------+-------+
dmesg: write failed: Broken pipe
Generating public/private rsa key pair.
Your identification has been saved in /etc/ssh/ssh_host_rsa_key.
Your public key has been saved in /etc/ssh/ssh_host_rsa_key.pub.
The key fingerprint is:
c7:fb:76:96:ae:aa:6e:73:b1:28:ea:38:40:fa:34:75 root@20180627093956
The key's randomart image is:
+--[ RSA 2048]----+
| |
| |
| |
| . . E . |
|o . . S o |
|o o ... |
| + . ..o . |[ 36.260523] general protection fault: 0000 [#1] SMP
[ 36.260523] Modules linked in: dm_crypt kvm_intel kvm crct10dif_pclmul
crc32_pclmul ghash_clmulni_intel serio_raw aesni_intel aes_x86_64 glue_helper
lrw gf128mul ablk_helper cryptd psmouse floppy
[ 36.260523] CPU: 0 PID: 1 Comm: init Not tainted 3.13.0-151-generic
#201-Ubuntu
[ 36.260523] Hardware name: OpenStack Foundation OpenStack Nova, BIOS
1.10.2-1ubuntu1~cloud0 04/01/2014
[ 36.260523] task: ffff88007c088000 ti: ffff88007c086000 task.ti:
ffff88007c086000
[ 36.260523] RIP: 0010:[<ffffffff8106091b>] [<ffffffff8106091b>]
switch_mm_irqs_off+0xbb/0x120
[ 36.260523] RSP: 0018:ffff88007c087ee0 EFLAGS: 00010046
[ 36.260523] RAX: 0000000000000001 RBX: ffff880037a54700 RCX: 0000000000000049
[ 36.260523] RDX: 0000000000000000 RSI: ffff880037a54700 RDI: ffff880037a54700
[ 36.260523] RBP: ffff88007c087f00 R08: 0000000000000000 R09: 0000000000000000
[ 36.260523] R10: 0000000000000001 R11: ffff88007b666780 R12: ffff8800378d6700
[ 36.260523] R13: 0000000000000000 R14: ffff880037653000 R15: ffff880037653000
[ 36.260523] FS: 00007f81d6e9a840(0000) GS:ffff88007fc00000(0000)
knlGS:0000000000000000
[ 36.260523] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 36.260523] CR2: 00007ffcc8f0fec0 CR3: 0000000037924000 CR4: 0000000000360670
[ 36.260523] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 36.260523] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 36.260523] Stack:
[ 36.260523] ffff8800378d6700 ffff88007fc13b40 ffff880037a54700
0000000000000000
[ 36.260523] ffff88007c087f60 ffffffff8173c613 ffff88007c088000
0000000000013b40
[ 36.260523] ffff88007c087fd8 0000000000013b40 ffff88007c088000
00007ffcc8f10ae0
[ 36.260523] Call Trace:
[ 36.260523] [<ffffffff8173c613>] __schedule+0x2b3/0x750
[ 36.260523] [<ffffffff8173cf4e>] schedule_user+0x2e/0xa0
[ 36.260523] [<ffffffff817498dc>] sysret_careful+0x14/0x1a
[ 36.260523] Code: 24 e0 02 00 00 75 28 5b 41 5c 41 5d 41 5e 5d c3 48 8b 05
a5 58 cb 00 48 c1 e8 33 a8 01 74 d7 31 d2 b8 01 00 00 00 b9 49 00 00 00 <0f> 30
eb c7 48 89 df e8 57 09 6d 00 eb ce 65 c7 04 25 88 33 01
[ 36.260523] RIP [<ffffffff8106091b>] switch_mm_irqs_off+0xbb/0x120
[ 36.260523] RSP <ffff88007c087ee0>
[ 36.260523] ---[ end trace 122ffd09a2447ccd ]---
** Affects: cloud-init
Importance: Undecided
Status: New
** Affects: cloud-init (Ubuntu)
Importance: Undecided
Status: New
** Also affects: cloud-init
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1778891
Title:
KVM Instance booting from volume stacktraces
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