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Message #78997
[Bug 1366120] [NEW] [Hyper-V] reloading LIS Hyper-V modules can result in a kernel panic on Ubuntu 14.10
Public bug reported:
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
** Affects: linux (Ubuntu)
Importance: Undecided
Status: Incomplete
** Tags: hyperv utopic
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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:
Incomplete
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
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1366120/+subscriptions
Follow ups
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[Bug 1366120] Re: [Hyper-V] reloading LIS Hyper-V modules can result in a kernel panic on Ubuntu 14.10
From: Chris Valean, 2015-01-12
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[Bug 1366120] Re: [Hyper-V] reloading LIS Hyper-V modules can result in a kernel panic on Ubuntu 14.10
From: Andy Whitcroft, 2014-12-16
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[Bug 1366120] Re: [Hyper-V] reloading LIS Hyper-V modules can result in a kernel panic on Ubuntu 14.10
From: Andy Whitcroft, 2014-12-16
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[Bug 1366120] Re: [Hyper-V] reloading LIS Hyper-V modules can result in a kernel panic on Ubuntu 14.10
From: Dexuan Cui, 2014-11-29
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[Bug 1366120] Re: [Hyper-V] reloading LIS Hyper-V modules can result in a kernel panic on Ubuntu 14.10
From: Alberto Salvia Novella, 2014-11-29
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[Bug 1366120] Re: [Hyper-V] reloading LIS Hyper-V modules can result in a kernel panic on Ubuntu 14.10
From: Joseph Salisbury, 2014-09-05
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[Bug 1366120] Re: [Hyper-V] reloading LIS Hyper-V modules can result in a kernel panic on Ubuntu 14.10
From: Tim Gardner, 2014-09-05
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[Bug 1366120] Re: [Hyper-V] reloading LIS Hyper-V modules can result in a kernel panic on Ubuntu 14.10
From: Chris Valean, 2014-09-05
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[Bug 1366120] Missing required logs.
From: Brad Figg, 2014-09-05
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[Bug 1366120] [NEW] [Hyper-V] reloading LIS Hyper-V modules can result in a kernel panic on Ubuntu 14.10
From: Chris Valean, 2014-09-05
References