[Bug 1796070] Re: ubuntu_nbd_smoke_test does not work on Trusty

Disabled on Trusty:
https://kernel.ubuntu.com/git/ubuntu/autotest-client-tests.git/commit/?id=8354c58b02030664e01a570d4124314cc5a7847c

** Changed in: ubuntu-kernel-tests
Status: New => Fix Released

** Changed in: ubuntu-kernel-tests
Assignee: (unassigned) => Po-Hsu Lin (cypressyew)

** Changed in: ubuntu-kernel-tests
Importance: Undecided => Medium

** Changed in: linux (Ubuntu)
Status: Incomplete => Invalid

** Changed in: linux-signed-azure (Ubuntu)
Status: New => Invalid

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https://bugs.launchpad.net/bugs/1796070

Title:
ubuntu_nbd_smoke_test does not work on Trusty

Status in ubuntu-kernel-tests:
Fix Released
Status in linux package in Ubuntu:
Invalid
Status in linux-signed-azure package in Ubuntu:
Invalid

Bug description:
Tested with:
* T-3.13
* T-4.4
* T-4.15 Azure

It looks like this is an user-space issue.

The test will complain about "server is not listening".


CmdError: Command </home/azure/autotest/client/tests/ubuntu_nbd_smoke_test/ubuntu_nbd_smoke_test.sh> failed, rc=1, Command returned non-zero exit status
* Command:
/home/azure/autotest/client/tests/ubuntu_nbd_smoke_test/ubuntu_nbd_smoke_
test.sh
Exit status: 1
Duration: 26.9639620781

stdout:
done

--------------------------------------------------------------------------------
Image path: /tmp/nbd_image.img
Mount point: /mnt/nbd-test-12456
Date: Thu Oct 4 10:38:27 UTC 2018
Host: t-phlin
Kernel: 4.15.0-1023-azure #24~14.04.1-Ubuntu SMP Wed Aug 29 14:26:22 UTC 2018
Machine: t-phlin x86_64 x86_64
CPUs online: 1
CPUs total: 1
Page size: 4096
Pages avail: 156707
Pages total: 429580
--------------------------------------------------------------------------------

server is not listening
disconnect, sock, done
stderr:
umount: /mnt/nbd-test-12456: not found

ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: linux-image-4.4.0-137-generic 4.4.0-137.163~14.04.1
ProcVersionSignature: User Name 4.4.0-137.163~14.04.1-generic 4.4.144
Uname: Linux 4.4.0-137-generic x86_64
ApportVersion: 2.14.1-0ubuntu3.29
Architecture: amd64
Date: Thu Oct 4 10:58:54 2018
SourcePackage: linux-lts-xenial
UpgradeStatus: No upgrade log present (probably fresh install)

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