Hi,

I am sorry I have not tried recently, I moved my system to Centos to get
round the issue.

Regards
Mark

On Tue, 30 Jul 2019 at 09:31, Po-Hsu Lin <email address hidden> wrote:

> Do you still experiencing this issue?
>
> ** Changed in: linux-aws (Ubuntu)
>        Status: Confirmed => Incomplete
>
> --
> You received this bug notification because you are subscribed to the bug
> report.
> https://bugs.launchpad.net/bugs/1737187
>
> Title:
>   Unable to launch AWS M5 instance with newest Ubuntu AMI
>
> Status in linux-aws package in Ubuntu:
>   Incomplete
>
> Bug description:
>   When booting Ubuntu Linux 16.04 on an M5.large instance, the instance
>   fails to startup and dies, seemingly during initialization of the NVMe
>   interface, here's the most relevant lines (full kernel log attached):
>
>   [    8.840439] Btrfs loaded
>   [   61.888098] clocksource: tsc: mask: 0xffffffffffffffff max_cycles:
> 0x240939f1bb2, max_idle_ns: 440795263295 ns
>   [   64.807909] nvme 0000:00:04.0: I/O 0 QID 0 timeout, disable controller
>   [   64.916220] nvme 0000:00:04.0: Cancelling I/O 0 QID 0
>   [   64.920779] nvme 0000:00:04.0: Identify Controller failed (-4)
>   [   64.925737] nvme 0000:00:04.0: Removing after probe failure
>   [   64.930506] iounmap: bad address ffffc90000e50000
>   [   64.934951] CPU: 1 PID: 32 Comm: kworker/1:1 Not tainted
> 4.4.0-1041-aws #50-Ubuntu
>   [   64.942528] Hardware name: Amazon EC2 m5.large/, BIOS 1.0 10/16/2017
>   [   64.947684] Workqueue: events nvme_remove_dead_ctrl_work [nvme]
>   [   64.952688]  0000000000000286 fd001be315a343d4 ffff8800bbb4bcd8
> ffffffff813f7743
>   [   64.960923]  ffff880036c6d4f0 ffffc90000e50000 ffff8800bbb4bcf8
> ffffffff8106ae7f
>   [   64.969368]  ffff880036c6d4f0 ffff880036c6d658 ffff8800bbb4bd08
> ffffffff8106aebc
>   [   64.977878] Call Trace:
>   [   64.981322]  [<ffffffff813f7743>] dump_stack+0x63/0x90
>   [   64.985878]  [<ffffffff8106ae7f>] iounmap.part.1+0x7f/0x90
>   [   64.990583]  [<ffffffff8106aebc>] iounmap+0x2c/0x30
>   [   64.994873]  [<ffffffffc002964a>] nvme_dev_unmap.isra.35+0x1a/0x30
> [nvme]
>   [   65.000071]  [<ffffffffc002a73e>] nvme_remove+0xce/0xe0 [nvme]
>   [   65.005125]  [<ffffffff81439309>] pci_device_remove+0x39/0xc0
>   [   65.009912]  [<ffffffff815440e1>] __device_release_driver+0xa1/0x150
>   [   65.015009]  [<ffffffff815441b3>] device_release_driver+0x23/0x30
>   [   65.020019]  [<ffffffff814321ea>] pci_stop_bus_device+0x8a/0xa0
>   [   65.024806]  [<ffffffff8143233a>]
> pci_stop_and_remove_bus_device_locked+0x1a/0x30
>   [   65.032326]  [<ffffffffc002909c>]
> nvme_remove_dead_ctrl_work+0x3c/0x50 [nvme]
>   [   65.037731]  [<ffffffff81099585>] process_one_work+0x165/0x480
>   [   65.042482]  [<ffffffff810998eb>] worker_thread+0x4b/0x4c0
>   [   65.046978]  [<ffffffff810998a0>] ? process_one_work+0x480/0x480
>   [   65.051905]  [<ffffffff8109fa65>] kthread+0xe5/0x100
>   [   65.056224]  [<ffffffff8109f980>] ? kthread_create_on_node+0x1e0/0x1e0
>   [   65.061380]  [<ffffffff8181728f>] ret_from_fork+0x3f/0x70
>   [   65.066103]  [<ffffffff8109f980>] ? kthread_create_on_node+0x1e0/0x1e0
>   [   65.071235] Trying to free nonexistent resource
> <00000000febf0000-00000000febf3fff>
>   [  125.080477] random: nonblocking pool is initialized
>   (...End of output...)
>
>   Relevant data:
>   AMI id: ami-8fd760f6 (Should be the latest official release)
>   Instance type: m5.large
>   Region: eu-west-1
>
>   Issue seems completely repeatable.
>
> To manage notifications about this bug go to:
>
> https://bugs.launchpad.net/ubuntu/+source/linux-aws/+bug/1737187/+subscriptions
>