** Branch linked: lp:ubuntu/quantal-proposed/linux-lowlatency
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Title:
kernel panic on boot with hyper-v
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This bug was fixed in the package linux - 3.5.0-16.24
---
linux (3.5.0-16.24) quantal-proposed; urgency=low
[ Andy Whitcroft ]
* SAUCE: ata_piix: add a disable_driver option
- LP: #994870
[ Christian König ]
* (pre-stable) drm/radeon: make 64bit fences more robust v3
** Changed in: linux (Ubuntu Quantal)
Milestone: quantal-alpha-3 = ubuntu-12.10
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Title:
kernel panic on boot with hyper-v
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** Tags removed: kernel-key
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Title:
kernel panic on boot with hyper-v
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Alpha 1-No problems, boots okay
Alpha 2 3-Has problems, will not boot up
[32.741233] Kernal panic-not syncing: fatal exception in
interrupt
[32.741275] Panic occurred, switching back to text
console
Dell GX260 Intel 2.4 GHz, 1GB RAM, nVidia 32MB
** Also affects: linux (Ubuntu Quantal)
Importance: Critical
Assignee: Andy Whitcroft (apw)
Status: In Progress
** Changed in: linux (Ubuntu Quantal)
Milestone: quantal-alpha-2 = quantal-alpha-3
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** Branch linked: lp:ubuntu/precise-proposed/linux-armadaxp
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Title:
kernel panic on boot with hyper-v
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** Changed in: linux (Ubuntu)
Milestone: quantal-alpha-1 = quantal-alpha-2
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Title:
kernel panic on boot with hyper-v
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This bug is awaiting verification that the kernel for Precise in
-proposed solves the problem (3.2.0-24.39). Please test the kernel and
update this bug with the results. If the problem is solved, change the
tag 'verification-needed-precise' to 'verification-done-precise'.
If verification is not
Installed this kernel into an instance, and tested both with and without
the new option:
ubuntu@ubuntu:~$ dmesg | egrep 'Linux |ata'
[0.00] Linux version 3.2.0-24-virtual (buildd@crested) (gcc version
4.6.3 (Ubuntu/Linaro 4.6.3-1ubuntu5) ) #39-Ubuntu SMP Mon May 21 18:44:18 UTC
2012
This bug was fixed in the package linux - 3.2.0-24.39
---
linux (3.2.0-24.39) precise-proposed; urgency=low
[Luis Henriques]
* Release Tracking Bug
- LP: #1002329
[ Andy Whitcroft ]
* SAUCE: ata_piix: add a disable_driver option
- LP: #994870
-- Luis Henriques
** Changed in: linux (Ubuntu Precise)
Status: In Progress = Fix Committed
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Title:
kernel panic on boot with hyper-v
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** Also affects: linux (Ubuntu Precise)
Importance: Undecided
Status: New
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Title:
kernel panic on boot with hyper-v
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** Changed in: linux (Ubuntu Precise)
Status: New = In Progress
** Changed in: linux (Ubuntu Precise)
Assignee: (unassigned) = Andy Whitcroft (apw)
** Changed in: linux (Ubuntu)
Assignee: Canonical Kernel Team (canonical-kernel-team) = Andy Whitcroft
(apw)
** Changed in: linux
** Changed in: linux (Ubuntu)
Assignee: (unassigned) = Canonical Kernel Team (canonical-kernel-team)
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Title:
kernel panic on boot with
I see elsewhere noted that this does not occur on 3.2.0-16 but does on
3.2.0-24, a logical test would be to try the interviening kernels and
confirm where this was introduced.
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I have been trying to reproduce this for several hours using a 4
vcpu/8GB memory instance through 100 reboots (and counting) and have
not had a single failure.
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The ideal situation here would be to find the latest version we had
which worked relialby and pull in the missing parts, this would give us
a quick fix for the immediate problems.
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** Tags added: kernel-da-key kernel-key precise
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Title:
kernel panic on boot with hyper-v
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After removing ata_piix from the kernel, the panic problem goes away.
It seems the regression comes from this commit:
commit a207c1ea485cc9cd7d546eadeb0877515c952f2a
Author: Andy Whitcroft a...@canonical.com
Date: Thu Mar 8 11:32:35 2012 +
UBUNTU: SAUCE: ata_piix: defer disks to the
@Long Li -- that commit unfortuantly changes the behaviour, so without
that commit we will never use the drives in with the paravirt driver.
So it may be the change itself, or just the change in behaviour. The
fix as applied upstream works slightly differently, I will get some test
kernels with
Raising to critical since there is no known workaround.
** Changed in: linux (Ubuntu)
Importance: High = Critical
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Title:
kernel panic on
Update: We only see this issue when using 1 CPU for a Hyper-V guest.
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Title:
kernel panic on boot with hyper-v
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I am seeing a kernel panic during the x64 Ubuntu Server 12.04 installer,
on a small Hyper-V guest (2 VCPU, 1GB RAM). Much later than boot,
though. Last time it was while it was partitioning the disk. The
installer UI locks up and my caps lock blinks. Is there a way to get
the stack so I can
This is a 64bit instance. This VM is running on 8 VCPU and 14GB RAM.
This issue repros on other VCPU and RAM settings too but with much less
chance.
However, the kernel panic traces are not consistent for each repro. The
trace in the bug report happens at a early stage of boot, at which point
we
@Ben -- is this a 32bit or 64bit instance, and exactly how much memory
is being allocated in this instance size?
** Package changed: ubuntu = linux (Ubuntu)
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