Comment 5 for bug 1737187

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.
>
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>
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>