kernel-packages team mailing list archive

[Andy Whitcroft <apw@xxxxxxxxxxxxx>]

These were pulled in via stable updates, and are already released.

** Changed in: linux (Ubuntu Trusty)
       Status: New => Fix Released

** Changed in: linux (Ubuntu Utopic)
       Status: In Progress => Fix Released

** Changed in: linux-lts-utopic (Ubuntu Trusty)
       Status: Confirmed => Invalid

** Changed in: linux (Ubuntu Vivid)
       Status: In Progress => Fix Released

** Tags removed: kernel-bug-break-fix

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

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https://bugs.launchpad.net/bugs/1366120

Title:
  [Hyper-V] reloading LIS Hyper-V modules can result in a kernel panic
  on Ubuntu 14.10

Status in linux package in Ubuntu:
  Fix Released
Status in linux-lts-utopic package in Ubuntu:
  Invalid
Status in linux source package in Trusty:
  Fix Released
Status in linux-lts-utopic source package in Trusty:
  Invalid
Status in linux source package in Utopic:
  Fix Released
Status in linux-lts-utopic source package in Utopic:
  Invalid
Status in linux source package in Vivid:
  Fix Released
Status in linux-lts-utopic source package in Vivid:
  Invalid

Bug description:
  Reloading the Hyper-V LIS modules can sometime result in a kernel panic.
  Technical details: a hypercall can return “invalid alignment”  error if the input parameter spans a page boundary. Updated LIS code handles properly the error without returning bug().

  We've triaged this issue internally and the following 2 patches have been created.
  Please include them in 14.10 (Utopic Unicorn)  daily builds and let us know when we can test.

  https://lkml.org/lkml/2014/8/27/725
  https://lkml.org/lkml/2014/8/28/649

  ===
  break-fix: - 45d727cee9e200f5b351528b9fb063b69cf702c8
  break-fix: - b29ef3546aecb253a5552b198cef23750d56e1e4

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