[Bug 1733321] Re: network-manager ADT tests fail with on ppc64el with artful/linux 4.13.0.17.18

[Mathew Hodson]

** Tags removed: block-proposed-eoan

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Title:
  network-manager ADT tests fail with on ppc64el with artful/linux
  4.13.0.17.18

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[Bug 1733321] Re: network-manager ADT tests fail with on ppc64el with artful/linux 4.13.0.17.18

[Launchpad Bug Tracker]

This bug was fixed in the package network-manager - 1.20.4-2ubuntu2.3

---
network-manager (1.20.4-2ubuntu2.3) eoan; urgency=medium

  * d/t/killswitches-no-urfkill
- Call udevadm settle before nmcli radio wifi
  To make sure that change is updated. (LP: #1733321)

 -- Seyeong Kim   Mon, 20 Apr 2020 22:40:44
-0700

** Changed in: network-manager (Ubuntu Eoan)
   Status: Fix Committed => Fix Released

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Title:
  network-manager ADT tests fail with on ppc64el with artful/linux
  4.13.0.17.18

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[Bug 1733321] Re: network-manager ADT tests fail with on ppc64el with artful/linux 4.13.0.17.18

[Sebastien Bacher]

** Tags removed: block-proposed-focal

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Title:
  network-manager ADT tests fail with on ppc64el with artful/linux
  4.13.0.17.18

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[Bug 1733321] Re: network-manager ADT tests fail with on ppc64el with artful/linux 4.13.0.17.18

[Dan Streetman]

autopkgtests pass:
http://autopkgtest.ubuntu.com/packages/network-manager/bionic/ppc64el
http://autopkgtest.ubuntu.com/packages/network-manager/eoan/ppc64el
http://autopkgtest.ubuntu.com/packages/network-manager/focal/ppc64el

** Tags removed: sts-sponsor-volunteer verification-needed 
verification-needed-bionic verification-needed-eoan verification-needed-focal
** Tags added: verification-done verification-done-bionic 
verification-done-eoan verification-done-focal

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Title:
  network-manager ADT tests fail with on ppc64el with artful/linux
  4.13.0.17.18

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[Bug 1733321] Re: network-manager ADT tests fail with on ppc64el with artful/linux 4.13.0.17.18

[Launchpad Bug Tracker]

This bug was fixed in the package network-manager - 1.22.10-1ubuntu3

---
network-manager (1.22.10-1ubuntu3) groovy; urgency=medium

  * No-change rebuild to bump Groovy version number.

network-manager (1.22.10-1ubuntu2) focal; urgency=medium

  * d/t/killswitches-no-urfkill
- Call udevadm settle before nmcli radio wifi
  To make sure that change is updated. (LP: #1733321)

 -- Dan Streetman   Thu, 30 Apr 2020 07:47:49
-0400

** Changed in: network-manager (Ubuntu)
   Status: New => Fix Released

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Title:
  network-manager ADT tests fail with on ppc64el with artful/linux
  4.13.0.17.18

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[Bug 1733321] Re: network-manager ADT tests fail with on ppc64el with artful/linux 4.13.0.17.18

[Mathew Hodson]

** Changed in: network-manager (Ubuntu Bionic)
   Importance: Undecided => Medium

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Title:
  network-manager ADT tests fail with on ppc64el with artful/linux
  4.13.0.17.18

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[Bug 1733321] Re: network-manager ADT tests fail with on ppc64el with artful/linux 4.13.0.17.18

[Brian Murray]

Hello Kleber, or anyone else affected,

Accepted network-manager into bionic-proposed. The package will build
now and be available at https://launchpad.net/ubuntu/+source/network-
manager/1.10.6-2ubuntu1.5 in a few hours, and then in the -proposed
repository.

Please help us by testing this new package.  See
https://wiki.ubuntu.com/Testing/EnableProposed for documentation on how
to enable and use -proposed.  Your feedback will aid us getting this
update out to other Ubuntu users.

If this package fixes the bug for you, please add a comment to this bug,
mentioning the version of the package you tested, what testing has been
performed on the package and change the tag from verification-needed-
bionic to verification-done-bionic. If it does not fix the bug for you,
please add a comment stating that, and change the tag to verification-
failed-bionic. In either case, without details of your testing we will
not be able to proceed.

Further information regarding the verification process can be found at
https://wiki.ubuntu.com/QATeam/PerformingSRUVerification .  Thank you in
advance for helping!

N.B. The updated package will be released to -updates after the bug(s)
fixed by this package have been verified and the package has been in
-proposed for a minimum of 7 days.

** Changed in: network-manager (Ubuntu Bionic)
   Status: In Progress => Fix Committed

** Tags added: verification-needed-bionic

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Title:
  network-manager ADT tests fail with on ppc64el with artful/linux
  4.13.0.17.18

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[Bug 1733321] Re: network-manager ADT tests fail with on ppc64el with artful/linux 4.13.0.17.18

[Brian Murray]

Hello Kleber, or anyone else affected,

Accepted network-manager into focal-proposed. The package will build now
and be available at https://launchpad.net/ubuntu/+source/network-
manager/1.22.10-1ubuntu2 in a few hours, and then in the -proposed
repository.

Please help us by testing this new package.  See
https://wiki.ubuntu.com/Testing/EnableProposed for documentation on how
to enable and use -proposed.  Your feedback will aid us getting this
update out to other Ubuntu users.

If this package fixes the bug for you, please add a comment to this bug,
mentioning the version of the package you tested, what testing has been
performed on the package and change the tag from verification-needed-
focal to verification-done-focal. If it does not fix the bug for you,
please add a comment stating that, and change the tag to verification-
failed-focal. In either case, without details of your testing we will
not be able to proceed.

Further information regarding the verification process can be found at
https://wiki.ubuntu.com/QATeam/PerformingSRUVerification .  Thank you in
advance for helping!

N.B. The updated package will be released to -updates after the bug(s)
fixed by this package have been verified and the package has been in
-proposed for a minimum of 7 days.

** Changed in: network-manager (Ubuntu Focal)
   Status: In Progress => Fix Committed

** Tags added: verification-needed verification-needed-focal

** Changed in: network-manager (Ubuntu Eoan)
   Status: In Progress => Fix Committed

** Tags added: verification-needed-eoan

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Title:
  network-manager ADT tests fail with on ppc64el with artful/linux
  4.13.0.17.18

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[Bug 1733321] Re: network-manager ADT tests fail with on ppc64el with artful/linux 4.13.0.17.18

[Dan Streetman]

** Tags added: block-proposed-bionic block-proposed-eoan block-proposed-
focal

** Changed in: network-manager (Ubuntu Eoan)
   Status: Won't Fix => In Progress

** Changed in: network-manager (Ubuntu Focal)
   Status: New => In Progress

** Changed in: network-manager (Ubuntu Bionic)
   Status: New => In Progress

** Changed in: network-manager (Ubuntu Bionic)
 Assignee: (unassigned) => Seyeong Kim (xtrusia)

** Changed in: network-manager (Ubuntu Eoan)
 Assignee: (unassigned) => Seyeong Kim (xtrusia)

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Title:
  network-manager ADT tests fail with on ppc64el with artful/linux
  4.13.0.17.18

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[Bug 1733321] Re: network-manager ADT tests fail with on ppc64el with artful/linux 4.13.0.17.18

[Dan Streetman]

** Description changed:

  [Impact]
  
  The killswitches-no-urfkill autopkgtest fails sometimes because nmcli
  reports the old state when it's called right after rfkill block/unblock.
- Adding a sleep before calling nmcli fixes the issue.
  
  ppc64el ADT log from failed testcase:
  
https://objectstorage.prodstack4-5.canonical.com/v1/AUTH_77e2ada1e7a84929a74ba3b87153c0ac
  /autopkgtest-artful/artful/ppc64el/n/network-
  manager/20171120_100719_28642@/log.gz
  
  Testcase output:
  -
  autopkgtest [10:04:48]: test killswitches-no-urfkill: [---
  make -C /lib/modules/4.13.0-17-generic/build 
KBUILD_SRC=/lib/modules/4.13.0-17-generic/build 
M=/tmp/autopkgtest.yE1hsA/build.62e/src/debian/tests
  make[1]: Entering directory '/usr/src/linux-headers-4.13.0-17-generic'
    AR  /tmp/autopkgtest.yE1hsA/build.62e/src/debian/tests/built-in.o
    CC [M]  /tmp/autopkgtest.yE1hsA/build.62e/src/debian/tests/fake-rfkill.o
    Building modules, stage 2.
    MODPOST 1 modules
    CC  /tmp/autopkgtest.yE1hsA/build.62e/src/debian/tests/fake-rfkill.mod.o
    LD [M]  /tmp/autopkgtest.yE1hsA/build.62e/src/debian/tests/fake-rfkill.ko
  make[1]: Leaving directory '/usr/src/linux-headers-4.13.0-17-generic'
  ERROR: NM could not track device state.
  autopkgtest [10:05:20]: test killswitches-no-urfkill: ---]
  autopkgtest [10:05:20]: test killswitches-no-urfkill:  - - - - - - - - - - 
results - - - - - - - - - -
  killswitches-no-urfkill FAIL non-zero exit status 1
  -
  
  Package versions [artful/ppc64el]:
  network-manager 1.8.4-1ubuntu3
  linux-meta 4.13.0.17.18
  
  [Test Case]
  
  Assume that test vm and host are ppc64
  
  1. deploy ppc64 vm instance ( with 1 cpu )
  2. modprobe mac80211_hwsim ( may need to install linux-modules-extra- pkg )
  3. apt install network-manager rfkill
  4. modify /etc/netplan/[conf], renderer as NetworkManager
  5. netplan apply
  6. run below command
  - nmcli radio wifi ; rfkill list 0 ; rfkill block 0 ; rfkill list 0 ; nmcli 
radio wifi ; rfkill list 0 ; rfkill unblock 0 ; rfkill list 0 ; nmcli radio wifi
  
  enabled
  0: fake: Wireless LAN
  Soft blocked: no
  Hard blocked: no
  0: fake: Wireless LAN
  Soft blocked: yes
  Hard blocked: no
  enabled
  0: fake: Wireless LAN
  Soft blocked: yes
  Hard blocked: no
  0: fake: Wireless LAN
  Soft blocked: no
  Hard blocked: no
  enabled
  
  second 'enabled' should be 'disabled' but not updated properly.
  
  Adding "udevadm settle" in test file ( killswitches-no-urkfill ) between
  rfkill block/unblock and nmcli radio wifi will help updating status changes 
after rfkill block/unblock.
  
  [Regression Potential]
  
- No regression potential. The fix touches only the testcase shipped with
- the source package and it doesn't change the binary package. The sleep
- time added is very small, so no possibility of causing testcase timeout.
+ This fixes testcase only, so any regression would cause incorrect test
+ pass/fail, and might cause other missed bugs.
+ 
+ [scope]
+ 
+ this is needed for all releases.  Debian does not include this
+ autopkgtest, and so does not need this fix.
  
  [Other Info]
+ 
+ this is caused by the 'systemd-rfkill.socket' listening to rfkill, and
+ starting up 'systemd-rfkill.service' for any change.  On a 1-cpu system
+ (which all autopkgtest instances for network-manager are), this service
+ startup sometimes blocks the uevent from reaching network-manager before
+ the autopkgtest proceeds to call nmcli to check the rfkill status.  This
+ causes the test case to fail.
+ 
+ There are (at least) 2 options to fix this:
+ 1) stop/disable the 'systemd-rfkill.socket' at the start of the autopkgtest
+ 2) call udevadm settle between the rfkill block/unblock and the nmcli call to 
check status
+ 
+ This does not need to be fixed outside the test case, as normal nmcli
+ use should be not done by users in a script immediately after changing
+ rfkill state, nor is there anything that either rfkill or nmcli could
+ even do to address this (technically, nmcli could internally issue a
+ 'udevadm settle' every time it's called, but that seems paranoid and
+ extreme).
+ 
+ [original description]
  
  On ppc64el architecture, it was observed that a fix for systemd is also
  needed (see bug 1734908) for the testcase to be successful.
  
  # original test case
  
  2.1. Download network-manager package source code
  $ apt-get source network-manager
  
  2.2. Run killswitches-no-urfkill testcase
  $ cd network-manager-1.8.4
  $ sudo ./debian/tests/killswitches-no-urfkill

** Also affects: network-manager (Ubuntu Bionic)
   Importance: Undecided
   Status: New

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Title:
  network-manager ADT tests fail with on ppc64el with artful/linux
  4.13.0.17.18

To manage notifications about this bug go to:

[Bug 1733321] Re: network-manager ADT tests fail with on ppc64el with artful/linux 4.13.0.17.18

[Seyeong Kim]

** Description changed:

  [Impact]
  
  The killswitches-no-urfkill autopkgtest fails sometimes because nmcli
  reports the old state when it's called right after rfkill block/unblock.
  Adding a sleep before calling nmcli fixes the issue.
  
  ppc64el ADT log from failed testcase:
  
https://objectstorage.prodstack4-5.canonical.com/v1/AUTH_77e2ada1e7a84929a74ba3b87153c0ac
  /autopkgtest-artful/artful/ppc64el/n/network-
  manager/20171120_100719_28642@/log.gz
  
  Testcase output:
  -
  autopkgtest [10:04:48]: test killswitches-no-urfkill: [---
  make -C /lib/modules/4.13.0-17-generic/build 
KBUILD_SRC=/lib/modules/4.13.0-17-generic/build 
M=/tmp/autopkgtest.yE1hsA/build.62e/src/debian/tests
  make[1]: Entering directory '/usr/src/linux-headers-4.13.0-17-generic'
    AR  /tmp/autopkgtest.yE1hsA/build.62e/src/debian/tests/built-in.o
    CC [M]  /tmp/autopkgtest.yE1hsA/build.62e/src/debian/tests/fake-rfkill.o
    Building modules, stage 2.
    MODPOST 1 modules
    CC  /tmp/autopkgtest.yE1hsA/build.62e/src/debian/tests/fake-rfkill.mod.o
    LD [M]  /tmp/autopkgtest.yE1hsA/build.62e/src/debian/tests/fake-rfkill.ko
  make[1]: Leaving directory '/usr/src/linux-headers-4.13.0-17-generic'
  ERROR: NM could not track device state.
  autopkgtest [10:05:20]: test killswitches-no-urfkill: ---]
  autopkgtest [10:05:20]: test killswitches-no-urfkill:  - - - - - - - - - - 
results - - - - - - - - - -
  killswitches-no-urfkill FAIL non-zero exit status 1
  -
  
  Package versions [artful/ppc64el]:
  network-manager 1.8.4-1ubuntu3
  linux-meta 4.13.0.17.18
  
  [Test Case]
  
  Assume that test vm and host are ppc64
  
  1. deploy ppc64 vm instance ( with 1 cpu )
  2. modprobe mac80211_hwsim ( may need to install linux-modules-extra- pkg )
  3. apt install network-manager rfkill
  4. modify /etc/netplan/[conf], renderer as NetworkManager
  5. netplan apply
  6. run below command
  - nmcli radio wifi ; rfkill list 0 ; rfkill block 0 ; rfkill list 0 ; nmcli 
radio wifi ; rfkill list 0 ; rfkill unblock 0 ; rfkill list 0 ; nmcli radio wifi
  
  enabled
  0: fake: Wireless LAN
  Soft blocked: no
  Hard blocked: no
  0: fake: Wireless LAN
  Soft blocked: yes
  Hard blocked: no
  enabled
  0: fake: Wireless LAN
  Soft blocked: yes
  Hard blocked: no
  0: fake: Wireless LAN
  Soft blocked: no
  Hard blocked: no
  enabled
  
  second 'enabled' should be 'disabled' but not updated properly.
  
+ Adding "udevadm settle" in test file ( killswitches-no-urkfill ) between
+ rfkill block/unblock and nmcli radio wifi will help updating status changes 
after rfkill block/unblock.
+ 
  [Regression Potential]
  
  No regression potential. The fix touches only the testcase shipped with
  the source package and it doesn't change the binary package. The sleep
  time added is very small, so no possibility of causing testcase timeout.
  
  [Other Info]
  
  On ppc64el architecture, it was observed that a fix for systemd is also
  needed (see bug 1734908) for the testcase to be successful.
  
  # original test case
  
- 
  2.1. Download network-manager package source code
  $ apt-get source network-manager
  
  2.2. Run killswitches-no-urfkill testcase
  $ cd network-manager-1.8.4
  $ sudo ./debian/tests/killswitches-no-urfkill

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Title:
  network-manager ADT tests fail with on ppc64el with artful/linux
  4.13.0.17.18

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[Bug 1733321] Re: network-manager ADT tests fail with on ppc64el with artful/linux 4.13.0.17.18

[Seyeong Kim]

** Description changed:

  [Impact]
  
  The killswitches-no-urfkill autopkgtest fails sometimes because nmcli
  reports the old state when it's called right after rfkill block/unblock.
  Adding a sleep before calling nmcli fixes the issue.
  
  ppc64el ADT log from failed testcase:
  
https://objectstorage.prodstack4-5.canonical.com/v1/AUTH_77e2ada1e7a84929a74ba3b87153c0ac
  /autopkgtest-artful/artful/ppc64el/n/network-
  manager/20171120_100719_28642@/log.gz
  
  Testcase output:
  -
  autopkgtest [10:04:48]: test killswitches-no-urfkill: [---
  make -C /lib/modules/4.13.0-17-generic/build 
KBUILD_SRC=/lib/modules/4.13.0-17-generic/build 
M=/tmp/autopkgtest.yE1hsA/build.62e/src/debian/tests
  make[1]: Entering directory '/usr/src/linux-headers-4.13.0-17-generic'
    AR  /tmp/autopkgtest.yE1hsA/build.62e/src/debian/tests/built-in.o
    CC [M]  /tmp/autopkgtest.yE1hsA/build.62e/src/debian/tests/fake-rfkill.o
    Building modules, stage 2.
    MODPOST 1 modules
    CC  /tmp/autopkgtest.yE1hsA/build.62e/src/debian/tests/fake-rfkill.mod.o
    LD [M]  /tmp/autopkgtest.yE1hsA/build.62e/src/debian/tests/fake-rfkill.ko
  make[1]: Leaving directory '/usr/src/linux-headers-4.13.0-17-generic'
  ERROR: NM could not track device state.
  autopkgtest [10:05:20]: test killswitches-no-urfkill: ---]
  autopkgtest [10:05:20]: test killswitches-no-urfkill:  - - - - - - - - - - 
results - - - - - - - - - -
  killswitches-no-urfkill FAIL non-zero exit status 1
  -
  
  Package versions [artful/ppc64el]:
  network-manager 1.8.4-1ubuntu3
  linux-meta 4.13.0.17.18
  
+ [Test Case]
  
- [Test Case]
+ Assume that test vm and host are ppc64
+ 
+ 1. deploy ppc64 vm instance ( with 1 cpu )
+ 2. modprobe mac80211_hwsim ( may need to install linux-modules-extra- pkg )
+ 3. apt install network-manager rfkill
+ 4. modify /etc/netplan/[conf], renderer as NetworkManager
+ 5. netplan apply
+ 6. run below command
+ - nmcli radio wifi ; rfkill list 0 ; rfkill block 0 ; rfkill list 0 ; nmcli 
radio wifi ; rfkill list 0 ; rfkill unblock 0 ; rfkill list 0 ; nmcli radio wifi
+ 
+ enabled
+ 0: fake: Wireless LAN
+ Soft blocked: no
+ Hard blocked: no
+ 0: fake: Wireless LAN
+ Soft blocked: yes
+ Hard blocked: no
+ enabled
+ 0: fake: Wireless LAN
+ Soft blocked: yes
+ Hard blocked: no
+ 0: fake: Wireless LAN
+ Soft blocked: no
+ Hard blocked: no
+ enabled
+ 
+ second 'enabled' should be 'disabled' but not updated properly.
+ 
+ [Regression Potential]
+ 
+ No regression potential. The fix touches only the testcase shipped with
+ the source package and it doesn't change the binary package. The sleep
+ time added is very small, so no possibility of causing testcase timeout.
+ 
+ [Other Info]
+ 
+ On ppc64el architecture, it was observed that a fix for systemd is also
+ needed (see bug 1734908) for the testcase to be successful.
+ 
+ # original test case
+ 
  
  2.1. Download network-manager package source code
  $ apt-get source network-manager
  
  2.2. Run killswitches-no-urfkill testcase
  $ cd network-manager-1.8.4
  $ sudo ./debian/tests/killswitches-no-urfkill
- 
- 
- [Regression Potential]
- 
- No regression potential. The fix touches only the testcase shipped with
- the source package and it doesn't change the binary package. The sleep
- time added is very small, so no possibility of causing testcase timeout.
- 
- 
- [Other Info]
- 
- On ppc64el architecture, it was observed that a fix for systemd is also
- needed (see bug 1734908) for the testcase to be successful.

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Title:
  network-manager ADT tests fail with on ppc64el with artful/linux
  4.13.0.17.18

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[Bug 1733321] Re: network-manager ADT tests fail with on ppc64el with artful/linux 4.13.0.17.18

[Dan Streetman]

Yep, we will get this fixed - I'll assign Seyeong work with him on it.

** Changed in: network-manager (Ubuntu Focal)
 Assignee: (unassigned) => Seyeong Kim (xtrusia)

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Title:
  network-manager ADT tests fail with on ppc64el with artful/linux
  4.13.0.17.18

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[Bug 1733321] Re: network-manager ADT tests fail with on ppc64el with artful/linux 4.13.0.17.18

[Sebastien Bacher]

Dan, Seyeong, is one of you commited to work on a proper fix there? Can
you take assignement of the bug? It would be nice to see the problem
resolved and without a slap hacking if possible :-)

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Title:
  network-manager ADT tests fail with on ppc64el with artful/linux
  4.13.0.17.18

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[Bug 1733321] Re: network-manager ADT tests fail with on ppc64el with artful/linux 4.13.0.17.18

[Martin Wimpress]

** Changed in: network-manager (Ubuntu Eoan)
   Status: New => Won't Fix

** Tags removed: artful

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[Bug 1733321] Re: network-manager ADT tests fail with on ppc64el with artful/linux 4.13.0.17.18

[Dan Streetman]

Thanks!  Could you check the rfkill code, also?  I think instead of
patching the testcase, it would be better fix rfkill so the change is
effective as soon as it returns; that way users won't experience this
and have to add their own sleep after calling rfkill.

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  network-manager ADT tests fail with on ppc64el with artful/linux
  4.13.0.17.18

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[Bug 1733321] Re: network-manager ADT tests fail with on ppc64el with artful/linux 4.13.0.17.18

[Seyeong Kim]

Hello, I uploaded pkg to ppa
https://launchpad.net/~xtrusia/+archive/ubuntu/lp1733321

and checked ppc64el build and testing.

It worked fine without any issue.

Could you please adjust Kleber's debdiff as well?

Thanks a lot.

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[Bug 1733321] Re: network-manager ADT tests fail with on ppc64el with artful/linux 4.13.0.17.18

[Dariusz Gadomski]

** Changed in: network-manager (Ubuntu Eoan)
 Assignee: Dariusz Gadomski (dgadomski) => (unassigned)

** Changed in: network-manager (Ubuntu Focal)
 Assignee: Dariusz Gadomski (dgadomski) => (unassigned)

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  network-manager ADT tests fail with on ppc64el with artful/linux
  4.13.0.17.18

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[Bug 1733321] Re: network-manager ADT tests fail with on ppc64el with artful/linux 4.13.0.17.18

[Dariusz Gadomski]

Sure Dan, I'm looking into it.

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[Bug 1733321] Re: network-manager ADT tests fail with on ppc64el with artful/linux 4.13.0.17.18

[Dariusz Gadomski]

** Changed in: network-manager (Ubuntu Eoan)
 Assignee: (unassigned) => Dariusz Gadomski (dgadomski)

** Changed in: network-manager (Ubuntu Focal)
 Assignee: (unassigned) => Dariusz Gadomski (dgadomski)

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  network-manager ADT tests fail with on ppc64el with artful/linux
  4.13.0.17.18

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[Bug 1733321] Re: network-manager ADT tests fail with on ppc64el with artful/linux 4.13.0.17.18

[Dan Streetman]

** Tags added: sts-sponsor-volunteer

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[Bug 1733321] Re: network-manager ADT tests fail with on ppc64el with artful/linux 4.13.0.17.18

[Dan Streetman]

@dgadomski if you have time, could you check this and upload a fixed
package?

Since this is autopkgtest test failure only, it will probably need
block-proposed-eoan tag.  I'm not sure if this is needed for bionic.

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[Bug 1733321] Re: network-manager ADT tests fail with on ppc64el with artful/linux 4.13.0.17.18

[Sebastien Bacher]

** Changed in: network-manager (Ubuntu Disco)
   Status: New => Won't Fix

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[Bug 1733321] Re: network-manager ADT tests fail with on ppc64el with artful/linux 4.13.0.17.18

[Mathew Hodson]

** Tags added: testcase

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[Bug 1733321] Re: network-manager ADT tests fail with on ppc64el with artful/linux 4.13.0.17.18

[Dan Streetman]

Still occurring on d/e/f, e.g.:
https://objectstorage.prodstack4-5.canonical.com/v1/AUTH_77e2ada1e7a84929a74ba3b87153c0ac/autopkgtest-disco/disco/ppc64el/n/network-manager/20191208_021641_f90a7@/log.gz
https://objectstorage.prodstack4-5.canonical.com/v1/AUTH_77e2ada1e7a84929a74ba3b87153c0ac/autopkgtest-focal/focal/amd64/n/network-manager/20191130_013521_8a691@/log.gz


** Changed in: network-manager (Ubuntu Eoan)
   Importance: Undecided => Medium

** Changed in: network-manager (Ubuntu Disco)
   Importance: Undecided => Medium

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  network-manager ADT tests fail with on ppc64el with artful/linux
  4.13.0.17.18

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[Bug 1733321] Re: network-manager ADT tests fail with on ppc64el with artful/linux 4.13.0.17.18

[Dan Streetman]

** Also affects: network-manager (Ubuntu Eoan)
   Importance: Undecided
   Status: New

** Also affects: network-manager (Ubuntu Focal)
   Importance: Medium
   Status: New

** Also affects: network-manager (Ubuntu Disco)
   Importance: Undecided
   Status: New

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  network-manager ADT tests fail with on ppc64el with artful/linux
  4.13.0.17.18

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[Bug 1733321] Re: network-manager ADT tests fail with on ppc64el with artful/linux 4.13.0.17.18

[Simon Quigley]

Artful is End Of Life, and thus, there is nothing else to sponsor;
sorry.

Please resubscribe ~ubuntu-sponsors if there's something else to
sponsor.

** Changed in: network-manager (Ubuntu Artful)
   Status: New => Won't Fix

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  network-manager ADT tests fail with on ppc64el with artful/linux
  4.13.0.17.18

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[Bug 1733321] Re: network-manager ADT tests fail with on ppc64el with artful/linux 4.13.0.17.18

[Mathew Hodson]

** Changed in: network-manager (Ubuntu)
   Importance: Undecided => Medium

** Changed in: network-manager (Ubuntu Artful)
   Importance: Undecided => Medium

** No longer affects: linux (Ubuntu Artful)

** No longer affects: linux (Ubuntu)

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[Bug 1733321] Re: network-manager ADT tests fail with on ppc64el with artful/linux 4.13.0.17.18

[Joseph Salisbury]

** Tags removed: kernel-key

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[Bug 1733321] Re: network-manager ADT tests fail with on ppc64el with artful/linux 4.13.0.17.18

[Kleber Sacilotto de Souza]

Although we haven't seen the failure in Bionic yet, it might be a good
idea to apply the fix on Bionic as well, which as of now has the same
package version as Artful.

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  network-manager ADT tests fail with on ppc64el with artful/linux
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[Bug 1733321] Re: network-manager ADT tests fail with on ppc64el with artful/linux 4.13.0.17.18

[Kleber Sacilotto de Souza]

** Description changed:

- ppc64el ADT log:
+ [Impact]
+ 
+ The killswitches-no-urfkill autopkgtest fails sometimes because nmcli
+ reports the old state when it's called right after rfkill block/unblock.
+ Adding a sleep before calling nmcli fixes the issue.
+ 
+ ppc64el ADT log from failed testcase:
  
https://objectstorage.prodstack4-5.canonical.com/v1/AUTH_77e2ada1e7a84929a74ba3b87153c0ac
  /autopkgtest-artful/artful/ppc64el/n/network-
  manager/20171120_100719_28642@/log.gz
  
  Testcase output:
  -
  autopkgtest [10:04:48]: test killswitches-no-urfkill: [---
  make -C /lib/modules/4.13.0-17-generic/build 
KBUILD_SRC=/lib/modules/4.13.0-17-generic/build 
M=/tmp/autopkgtest.yE1hsA/build.62e/src/debian/tests
  make[1]: Entering directory '/usr/src/linux-headers-4.13.0-17-generic'
-   AR  /tmp/autopkgtest.yE1hsA/build.62e/src/debian/tests/built-in.o
-   CC [M]  /tmp/autopkgtest.yE1hsA/build.62e/src/debian/tests/fake-rfkill.o
-   Building modules, stage 2.
-   MODPOST 1 modules
-   CC  /tmp/autopkgtest.yE1hsA/build.62e/src/debian/tests/fake-rfkill.mod.o
-   LD [M]  /tmp/autopkgtest.yE1hsA/build.62e/src/debian/tests/fake-rfkill.ko
+   AR  /tmp/autopkgtest.yE1hsA/build.62e/src/debian/tests/built-in.o
+   CC [M]  /tmp/autopkgtest.yE1hsA/build.62e/src/debian/tests/fake-rfkill.o
+   Building modules, stage 2.
+   MODPOST 1 modules
+   CC  /tmp/autopkgtest.yE1hsA/build.62e/src/debian/tests/fake-rfkill.mod.o
+   LD [M]  /tmp/autopkgtest.yE1hsA/build.62e/src/debian/tests/fake-rfkill.ko
  make[1]: Leaving directory '/usr/src/linux-headers-4.13.0-17-generic'
  ERROR: NM could not track device state.
  autopkgtest [10:05:20]: test killswitches-no-urfkill: ---]
  autopkgtest [10:05:20]: test killswitches-no-urfkill:  - - - - - - - - - - 
results - - - - - - - - - -
  killswitches-no-urfkill FAIL non-zero exit status 1
  -
  
  Package versions [artful/ppc64el]:
  network-manager 1.8.4-1ubuntu3
  linux-meta 4.13.0.17.18
+ 
+ 
+ [Test Case]
+ 
+ 2.1. Download network-manager package source code
+ $ apt-get source network-manager
+ 
+ 2.2. Run killswitches-no-urfkill testcase
+ $ cd network-manager-1.8.4
+ $ sudo ./debian/tests/killswitches-no-urfkill
+ 
+ 
+ [Regression Potential]
+ 
+ No regression potential. The fix touches only the testcase shipped with
+ the source package and it doesn't change the binary package. The sleep
+ time added is very small, so no possibility of causing testcase timeout.
+ 
+ 
+ [Other Info]
+ 
+ On ppc64el architecture, it was observed that a fix for systemd is also
+ needed (see bug 1734908) for the testcase to be successful.

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  network-manager ADT tests fail with on ppc64el with artful/linux
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[Bug 1733321] Re: network-manager ADT tests fail with on ppc64el with artful/linux 4.13.0.17.18

[Kleber Sacilotto de Souza]

This is a debdiff for Artful applicable to network-manager
1.8.4-1ubuntu3. This was built with pbuilder and the testcase shipped
with the source packaged works as expected (on the environment described
on this bug report only if the fix for bug 1734908 is also applied).

** Patch added: "1-1.8.4-1ubuntu4.debdiff"
   
https://bugs.launchpad.net/ubuntu/+source/network-manager/+bug/1733321/+attachment/5016266/+files/1-1.8.4-1ubuntu4.debdiff

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  network-manager ADT tests fail with on ppc64el with artful/linux
  4.13.0.17.18

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[Bug 1733321] Re: network-manager ADT tests fail with on ppc64el with artful/linux 4.13.0.17.18

[Kleber Sacilotto de Souza]

I have opened bug 1734908 for the systemd issue.

** Also affects: network-manager (Ubuntu)
   Importance: Undecided
   Status: New

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[Bug 1733321] Re: network-manager ADT tests fail with on ppc64el with artful/linux 4.13.0.17.18

[Kleber Sacilotto de Souza]

It turns out that the commit mentioned on the previous comment is
necessary but not sufficient to fix the issue. The testcase also needs
to be fixed.

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[Bug 1733321] Re: network-manager ADT tests fail with on ppc64el with artful/linux 4.13.0.17.18

[Kleber Sacilotto de Souza]

The following systemd upstream commit fixes the service timeout issue:

==
commit 8ec1a07998758f6a85f3ea5bf2ed14d87609398f
Author: S. Fan 
Date:   Mon Jul 31 05:10:10 2017 -0500

rfkill: fix erroneous behavior when polling the udev monitor (#6489)

Comparing udev_device_get_sysname(device) and sysname will always return
true. We need to check the device received from udev monitor instead.

Also, fd_wait_for_event() sometimes never exits. Better set a timeout
here.
==

I will check if it also fixes the network-manager testcase.

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[Bug 1733321] Re: network-manager ADT tests fail with on ppc64el with artful/linux 4.13.0.17.18

[Kleber Sacilotto de Souza]

The systemd rfkill timeout issue is not specific to ppc64el, I was able
to reproduce it in a VM with my local x86_64 laptop.

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[Bug 1733321] Re: network-manager ADT tests fail with on ppc64el with artful/linux 4.13.0.17.18

[Kleber Sacilotto de Souza]

This is the stack trace of the systemd-rfkill process before it gets
killed by systemd after the timeout:

-
(gdb) bt
#0  0x7b3666783524 in __GI_ppoll (fds=0x79e8da40, nfds=1, 
timeout=, sigmask=0x0) at ../sysdeps/unix/sysv/linux/ppoll.c:39
#1  0x7b36664cf140 in ppoll () at 
/usr/include/powerpc64le-linux-gnu/bits/poll2.h:77
#2  fd_wait_for_event (fd=, event=, t=) at ../src/basic/io-util.c:199
#3  0x00aaa7712b50 in wait_for_initialized (ret=, 
device=0x100241d0bc0, udev=) at ../src/rfkill/rfkill.c:141
#4  determine_state_file (udev=, event=0x79e8dbb8, 
d=0x100241d0bc0, ret=0x79e8dba8) at ../src/rfkill/rfkill.c:173
#5  0x00aaa77120a8 in load_state (event=0x79e8dbb8, udev=, rfkill_fd=) at ../src/rfkill/rfkill.c:220
#6  main (argc=, argv=) at 
../src/rfkill/rfkill.c:404
-

The function wait_for_initialized() uses the udev monitor to listen for
events from the rfkill subsystem and stay forever on the call to
fd_wait_for_event() when the fake-rfkill module is loaded. I used
udevadm to monitor the udev events and the add event is generated:

-
$ udevadm monitor -s rfkill
monitor will print the received events for:
UDEV - the event which udev sends out after rule processing
KERNEL - the kernel uevent

KERNEL[1741.847404] add  /devices/virtual/rfkill/rfkill3 (rfkill)
UDEV  [1741.855315] add  /devices/virtual/rfkill/rfkill3 (rfkill)
-

If the fake-rfkill module is removed and re-inserted before the 30s
timeout, the processes receives and processes the remove and the
subsequent add events.

So I suspected that, at least with fake-rfkill, systemd-rfkill is not
activated fast enough to process the udev event when the rfkill device
is added.

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Title:
  network-manager ADT tests fail with on ppc64el with artful/linux
  4.13.0.17.18

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[Bug 1733321] Re: network-manager ADT tests fail with on ppc64el with artful/linux 4.13.0.17.18

[Kleber Sacilotto de Souza]

The issue seems to be reproducible only when the VM has a single virtual
CPU. I cannot reproduce it when I assign 2 or more CPUs to the VM. That
would explain why we could not reproduce the issue on the host.

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Title:
  network-manager ADT tests fail with on ppc64el with artful/linux
  4.13.0.17.18

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[Bug 1733321] Re: network-manager ADT tests fail with on ppc64el with artful/linux 4.13.0.17.18

[Kleber Sacilotto de Souza]

The issue seems to be related somehow to systemd's systemd-
rfkill.service. When fake-rfkill is loaded, the following message are
logged on syslog:

Nov 21 17:00:32 autopkgtest NetworkManager[1044]:   [1511283632.4948] 
rfkill13: found WiFi radio killswitch (at /sys/devices/virtual/rfkill/rfkill13) 
(driver (unknown))
Nov 21 17:00:32 autopkgtest kernel: [ 2970.858563] query test rfkill
Nov 21 17:00:32 autopkgtest kernel: [ 2970.858566] set test rfkill (active)
Nov 21 17:00:32 autopkgtest systemd[1]: Starting Load/Save RF Kill Switch 
Status...
Nov 21 17:00:38 autopkgtest kernel: [ 2976.544106] poll test rfkill
Nov 21 17:00:43 autopkgtest kernel: [ 2981.407971] poll test rfkill
Nov 21 17:00:48 autopkgtest kernel: [ 2986.527817] poll test rfkill
Nov 21 17:00:53 autopkgtest kernel: [ 2991.391678] poll test rfkill
Nov 21 17:00:58 autopkgtest kernel: [ 2996.511538] poll test rfkill
Nov 21 17:01:02 autopkgtest systemd[1]: systemd-rfkill.service: Start operation 
timed out. Terminating.
Nov 21 17:01:02 autopkgtest systemd[1]: Failed to start Load/Save RF Kill 
Switch Status.
Nov 21 17:01:02 autopkgtest systemd[1]: systemd-rfkill.service: Unit entered 
failed state.
Nov 21 17:01:02 autopkgtest systemd[1]: systemd-rfkill.service: Failed with 
result 'timeout'.
Nov 21 17:01:03 autopkgtest kernel: [ 3001.375390] poll test rfkill
Nov 21 17:01:08 autopkgtest kernel: [ 3006.495239] poll test rfkill
Nov 21 17:01:12 autopkgtest kernel: [ 3011.136564] query test rfkill
Nov 21 17:01:12 autopkgtest kernel: [ 3011.136566] set test rfkill (blocked)
Nov 21 17:01:12 autopkgtest systemd[1]: Starting Load/Save RF Kill Switch 
Status...
Nov 21 17:01:12 autopkgtest NetworkManager[1044]:   [1511283672.8246] 
manager: rfkill: WiFi now disabled by radio killswitch
Nov 21 17:01:12 autopkgtest systemd[1]: Started Load/Save RF Kill Switch Status.

And the call to 'mcli radio wifi' intermittently fails to report that
the device is disabled after the call to 'rfkill block $fake_id'.

Stopping systemd-rfkill.socket and systemd-rfkill.service units seems to
work around the issue since I can't reproduce the issue when they are
stopped.

As an additional note, I cannot reproduce the issue on the ppc64el host,
only on the qemu/kvm guest.

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Title:
  network-manager ADT tests fail with on ppc64el with artful/linux
  4.13.0.17.18

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[Bug 1733321] Re: network-manager ADT tests fail with on ppc64el with artful/linux 4.13.0.17.18

[Joseph Salisbury]

** Tags added: kernel-key

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Title:
  network-manager ADT tests fail with on ppc64el with artful/linux
  4.13.0.17.18

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[Bug 1733321] Re: network-manager ADT tests fail with on ppc64el with artful/linux 4.13.0.17.18

[Joseph Salisbury]

** Also affects: linux (Ubuntu Artful)
   Importance: Undecided
   Status: New

** Changed in: linux (Ubuntu Artful)
   Status: New => Triaged

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

** Changed in: linux (Ubuntu Artful)
   Importance: Undecided => Medium

** Changed in: linux (Ubuntu)
   Importance: Undecided => Medium

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Title:
  network-manager ADT tests fail with on ppc64el with artful/linux
  4.13.0.17.18

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