** Changed in: linux-lts-utopic (Ubuntu)
Status: New => Confirmed
** Description changed:
- Reloading the Hyper-V LIS modules can sometime result in a kernel panic.
+ 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
** Tags added: kernel-bug-break-fix
** Also affects: linux (Ubuntu Vivid)
Importance: Critical
Assignee: Andy Whitcroft (apw)
Status: In Progress
** Also affects: linux-lts-utopic (Ubuntu Vivid)
Importance: Critical
Status: Confirmed
** Also affects: linux (Ubuntu Utopic)
Importance: Undecided
Status: New
** Also affects: linux-lts-utopic (Ubuntu Utopic)
Importance: Undecided
Status: New
** Changed in: linux (Ubuntu Utopic)
Assignee: (unassigned) => Andy Whitcroft (apw)
** Changed in: linux (Ubuntu Utopic)
Importance: Undecided => Critical
** Changed in: linux-lts-utopic (Ubuntu Utopic)
Status: New => Confirmed
** Also affects: linux (Ubuntu Trusty)
Importance: Undecided
Status: New
** Also affects: linux-lts-utopic (Ubuntu Trusty)
Importance: Undecided
Status: New
** Changed in: linux-lts-utopic (Ubuntu Vivid)
Importance: Critical => Undecided
** Changed in: linux-lts-utopic (Ubuntu)
Status: Confirmed => Invalid
** Changed in: linux-lts-utopic (Ubuntu Utopic)
Status: Confirmed => Invalid
** Changed in: linux-lts-utopic (Ubuntu Trusty)
Status: New => Confirmed
** Changed in: linux (Ubuntu Utopic)
Status: New => In Progress
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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
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