[Bug 1807978] Re: vmtest: iscsi tests failing on cosmic/disco

[Scott Moser]

I've verified that the bug can be fixed by removing the file
 /lib/udev/rules.d/70-iscsi-disk.rules
from the image.

For reference, that file looks like:
SUBSYSTEM=="block", ACTION=="add", ENV{ID_PATH}=="*-iscsi-*", ENV{SYSTEMD_WANTS}="iscsid.service"

iscsid.service looks like:
 https://git.launchpad.net/ubuntu/+source/open-iscsi/tree/debian/iscsid.service

open-iscsi.service looks like:
 https://git.launchpad.net/ubuntu/+source/open-iscsi/tree/debian/open-iscsi.service

One interesting thing is that IscsiBasic works fine, bug IscsiLvm (lvm
over an iscsi device) fails.

 https://jenkins.ubuntu.com/server/job/curtin-vmtest-devel-
amd64/604/artifact/output/CosmicTestIscsiBasic/logs/boot-serial.log


The serial console from IscsiLvm test looks like:
 https://jenkins.ubuntu.com/server/job/curtin-vmtest-devel-amd64/604/artifact/output/CosmicTestIscsiLvm/logs/boot-serial.log

It has 
  [   17.666655] systemd[1]: dev-disk-by\x2duuid-a98f706b\x2db064\x2d4682\x2d8eb2\x2d6c2c1284060c.device: Dependency Before=network-online.target ignored (.device units cannot be delayed)
  [   17.669807] systemd[1]: dev-disk-by\x2duuid-a98f706b\x2db064\x2d4682\x2d8eb2\x2d6c2c1284060c.device: Dependency Before=network.target ignored (.device units cannot be delayed)
  [   17.673828] systemd[1]: dev-disk-by\x2duuid-18bec31c\x2d09a8\x2d4a02\x2d91c6\x2de9bf6efb6fad.device: Dependency Before=network-online.target ignored (.device units cannot be delayed)
  [   17.678043] systemd[1]: dev-disk-by\x2duuid-18bec31c\x2d09a8\x2d4a02\x2d91c6\x2de9bf6efb6fad.device: Dependency Before=network.target ignored (.device units cannot be delayed)


And then ultimately
 [K[[0;1;31m TIME [0m] Timed out waiting for device dev-di…4b\x2d8151\x2d221b270ec708.device.

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https://bugs.launchpad.net/bugs/1807978

Title:
  vmtest: iscsi tests failing on cosmic/disco

Status in curtin package in Ubuntu:
  Invalid
Status in open-iscsi package in Ubuntu:
  Confirmed

Bug description:
  TestIscsiBasic and other Iscsi tests on Cosmic/Disco are failing in
  vmtest on jenkins.

    - looked some at curtin at iscsi failures cosmic, disco
      - 604 was first fail like this.
             cosmic 20181204
             disco  20181129
        https://jenkins.ubuntu.com/server/job/curtin-vmtest-devel-amd64/604/consoleFull
        602 PASSED and did run disco
             cosmic 20181114
             disco  20181109

      - seems likely tied to open-iscsi upload https://bugs.launchpad.net/ubuntu/+source/open-iscsi/+bug/1755858 or https://bugs.launchpad.net/ubuntu/+source/open-iscsi/+bug/1802354
    I want to revert iscsi and see if it fixes.

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