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** Changed in: linux (Ubuntu)
Status: Confirmed = Triaged
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https://bugs.launchpad.net/bugs/1201092
Title:
Cannot load kvm_amd module - (says disabled by bios)
To manage
It does appear this could be a BIOS issue. The kernel is basically
performing a rdmsr, like you did from the command line and getting a
return value that KVM is disabled. Here's a snippet of that code:
static int is_disabled(void)
{
u64 vm_cr;
rdmsrl(MSR_VM_CR, vm_cr);
** No longer affects: kvm (Ubuntu)
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Title:
Cannot load kvm_amd module - (says disabled by bios)
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** No longer affects: kvm (Ubuntu)
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Title:
Cannot load kvm_amd module - (says disabled by bios)
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Serge, if you read back the issue, I tested ALL possible kernels:
v3.2 final: http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.2-precise/
v3.3 final: http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.3-precise/
v3.4 final: http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.4-quantal/
v3.5 final:
** Also affects: kvm (Ubuntu)
Importance: Undecided
Status: New
** Changed in: linux (Ubuntu)
Status: Triaged = Confirmed
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Hi,
this seems like a stupid question given the # of comments and relevant
fedora bug, but i haven't seen this asked anywhere.
Have you in fact enabled virtualization extensions in the bios?
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** Tags removed: performing-bisect
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Title:
Cannot load kvm_amd module - (says disabled by bios)
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I tried this on my Lenovo X120e with an AMD E-350 with no problem on a
3.11 kernel.
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Title:
Cannot load kvm_amd module - (says
random bit of works for me info to add to Tim's.
Also an x120e:
$ lsmod | grep kvm
kvm_amd59717 0
kvm 443165 1 kvm_amd
$ uname -r
3.8.0-27-generic
$ grep 350 /proc/cpuinfo
model name : AMD E-350 Processor
model name : AMD E-350 Processor
--
You
All,
first of all I have AMD E-350D, you have AMD E-350.
I don't know what the D stands for, but we don't have the same identical CPU.
I give you the feedback from the kernel developers and from the MainBoard
vendor.
I had already tried the above command (rdmsr). It says 1 ... DISABLED.
@maxadamo,
I wasn't actually saying bug in the bios - I was suggesting the
feature was turned off in the bios. Could you please boot into the bios
(or EFI) and check the 'virtualization' settings? Or if you've already
done that, and it was enabled, please let us know - Thanks!
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You received
@Serge ... I am an experienced sysadmin, I work with Cloudstack ...
therefore I work with a lot of KVM machines.
I don't want to prove anything about myself, but now can you be better
ensured that I am able to access a Computer BIOS and switch a feature
from ON to OFF and viceversa? :)
I've also
Quoting maxadamo (1201...@bugs.launchpad.net):
@Serge ... I am an experienced sysadmin, I work with Cloudstack ...
therefore I work with a lot of KVM machines.
I don't want to prove anything about myself, but now can you be better
ensured that I am able to access a Computer BIOS and switch a
** Changed in: linux (Ubuntu)
Status: Confirmed = Triaged
** Changed in: linux (Ubuntu)
Importance: Medium = High
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Title:
Cannot load
After confirming that KVM is enabled in your BIOS, can you run the
following commands and post the output:
sudo modprobe msr
sudo rdmsr --bitfield 4:4 0xc0010114
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** Also affects: kvm (Ubuntu)
Importance: Undecided
Status: New
** Changed in: linux (Ubuntu)
Status: Triaged = Confirmed
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Hi,
this seems like a stupid question given the # of comments and relevant
fedora bug, but i haven't seen this asked anywhere.
Have you in fact enabled virtualization extensions in the bios?
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** Tags removed: performing-bisect
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Title:
Cannot load kvm_amd module - (says disabled by bios)
To manage notifications about this bug go to:
I tried this on my Lenovo X120e with an AMD E-350 with no problem on a
3.11 kernel.
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https://bugs.launchpad.net/bugs/1201092
Title:
Cannot load kvm_amd module - (says disabled by bios)
random bit of works for me info to add to Tim's.
Also an x120e:
$ lsmod | grep kvm
kvm_amd59717 0
kvm 443165 1 kvm_amd
$ uname -r
3.8.0-27-generic
$ grep 350 /proc/cpuinfo
model name : AMD E-350 Processor
model name : AMD E-350 Processor
--
You
All,
first of all I have AMD E-350D, you have AMD E-350.
I don't know what the D stands for, but we don't have the same identical CPU.
I give you the feedback from the kernel developers and from the MainBoard
vendor.
I had already tried the above command (rdmsr). It says 1 ... DISABLED.
@maxadamo,
I wasn't actually saying bug in the bios - I was suggesting the
feature was turned off in the bios. Could you please boot into the bios
(or EFI) and check the 'virtualization' settings? Or if you've already
done that, and it was enabled, please let us know - Thanks!
--
You received
@Serge ... I am an experienced sysadmin, I work with Cloudstack ...
therefore I work with a lot of KVM machines.
I don't want to prove anything about myself, but now can you be better
ensured that I am able to access a Computer BIOS and switch a feature
from ON to OFF and viceversa? :)
I've also
Quoting maxadamo (1201...@bugs.launchpad.net):
@Serge ... I am an experienced sysadmin, I work with Cloudstack ...
therefore I work with a lot of KVM machines.
I don't want to prove anything about myself, but now can you be better
ensured that I am able to access a Computer BIOS and switch a
Bad luck. Tested against all those version, and the bug is present.
Added Tag: kernel-bug-reported-upstream
** Tags added: kernel-bug-reported-upstream
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Also, can you test these previous kernel versions:
v3.2 final: http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.2-precise/
v3.3 final: http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.3-precise/
v3.4 final: http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.4-quantal/
v3.5 final:
This issue appears to be an upstream bug, since you tested the latest
upstream kernel. Would it be possible for you to open an upstream bug
report[0]? That will allow the upstream Developers to examine the issue,
and may provide a quicker resolution to the bug.
Please follow the instructions on
Would it be possible for you to test the latest upstream kernel? Refer
to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest
v3.11 kernel[0].
If this bug is fixed in the mainline kernel, please add the following
tag 'kernel-fixed-upstream'.
If the mainline kernel does not fix
Tested with latest upstream kernel: the problem is still there.
# uname -a
Linux yasna 3.11.0-031100rc1-generic #201307141935 SMP Sun Jul 14 23:36:57 UTC
2013 x86_64 x86_64 x86_64 GNU/Linux
#
# kvm-ok
INFO: /dev/kvm does not exist
HINT: sudo modprobe kvm_amd
INFO: Your CPU supports KVM
** Tags added: kernel-bug-exists-upstream
** Changed in: linux (Ubuntu)
Status: Incomplete = Confirmed
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Title:
Cannot load kvm_amd
PLEASE NOTE: AMD-V extension on Virtualbox works correctly.
Therefore the extension works properly but it's not recognized by KVM.
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Title:
apport information
** Tags added: apport-collected package-from-proposed third-party-
packages
** Description changed:
- Firt of all I would like to mention that this bug as been also raised for
Red Hat.
Here is the link: https://bugzilla.redhat.com/show_bug.cgi?id=978608
- I am
Do you happen to know the last kernel version that did not exhibit this
bug?
** Changed in: linux (Ubuntu)
Importance: Undecided = Medium
** Tags added: kernel-da-key
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Sorry no. I understand that it would be easier to revert a regression bug, but
I bought this motherboard right now.
I can tell is that on Fedora 18 (in the bug mentioned above) they guy tried the
kernels 3.6.10-4.fc18.x86_64 and 3.9.6-200.fc18.x86_64
** Changed in: linux (Ubuntu)
** Description changed:
- - Firt of all I would like to mention that this bug as been also raised for
Red Hat.
+ - Firt of all I would like to mention that this bug as been also raised for
Fedora 18.
Here is the link: https://bugzilla.redhat.com/show_bug.cgi?id=978608
- I am running
** Project changed: launchpad = linux (Ubuntu)
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Title:
Cannot load kvm_amd module - (says disabled by bios)
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