group.of.nepali.translators team mailing list archive

[dann frazier <dann.frazier@xxxxxxxxxxxxx>]

** Changed in: linux (Ubuntu Cosmic)
       Status: Incomplete => Fix Released

** Changed in: linux (Ubuntu Bionic)
       Status: Incomplete => Fix Released

** Changed in: linux (Ubuntu Cosmic)
     Assignee: dann frazier (dannf) => (unassigned)

** Changed in: linux (Ubuntu Xenial)
     Assignee: (unassigned) => dann frazier (dannf)

** Changed in: linux (Ubuntu Xenial)
       Status: Incomplete => In Progress

** Description changed:

  [Impact]
  On an APM Merlin (X-Gene2) board, the onboard 1G interface fails to re-establish link when the interface is brought down and back up. Juju + MAAS provider does this after every install (so to configure a bridge), making this config unusable.
  
  This was actually a regression introduced by the fix for LP: #1632739 in
  4.4.0-48.69.
  
  [Test Case]
  1) From a remote system, start a ping to the IP address of the Merlin board's eth0 interface.
  2) On the merlin board: sudo ifconfig eth0 down; sudo ifconfig eth0 up
  3) Ping should recover, but doesn't
  
  [Fix]
  commit 84a527a41f38a80353f185d05e41b021e1ff672b
  Author: Shaohui Xie <Shaohui.Xie@xxxxxxx>
  Date:   Tue May 10 17:42:26 2016 +0800
  
-     net: phylib: fix interrupts re-enablement in phy_start
+     net: phylib: fix interrupts re-enablement in phy_start
  
  [Regression Risk]
+ The fix appears to be straightforward - don't enable interrupts on a phy that does not have a valid interrupt. Fixes are upstream, so any regressions should get upstream support for fixing.

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https://bugs.launchpad.net/bugs/1785739

Title:
  [Regression] APM Merlin boards fail to recover link after interface
  down/up

Status in linux package in Ubuntu:
  Fix Released
Status in linux source package in Xenial:
  In Progress
Status in linux source package in Bionic:
  Fix Released
Status in linux source package in Cosmic:
  Fix Released

Bug description:
  [Impact]
  On an APM Merlin (X-Gene2) board, the onboard 1G interface fails to re-establish link when the interface is brought down and back up. Juju + MAAS provider does this after every install (so to configure a bridge), making this config unusable.

  This was actually a regression introduced by the fix for LP: #1632739
  in 4.4.0-48.69.

  [Test Case]
  1) From a remote system, start a ping to the IP address of the Merlin board's eth0 interface.
  2) On the merlin board: sudo ifconfig eth0 down; sudo ifconfig eth0 up
  3) Ping should recover, but doesn't

  [Fix]
  commit 84a527a41f38a80353f185d05e41b021e1ff672b
  Author: Shaohui Xie <Shaohui.Xie@xxxxxxx>
  Date:   Tue May 10 17:42:26 2016 +0800

      net: phylib: fix interrupts re-enablement in phy_start

  [Regression Risk]
  The fix appears to be straightforward - don't enable interrupts on a phy that does not have a valid interrupt. Fixes are upstream, so any regressions should get upstream support for fixing.

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