** Changed in: linux (Ubuntu)
Status: Fix Released => Invalid
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Title:
[Hyper-V] VM with ubuntu 32bit with linux-next does
Closing item, this got resolved in upstream eventually.
** Changed in: linux (Ubuntu)
Status: Incomplete => Fix Released
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** Tags added: kernel-hyper-v
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Title:
[Hyper-V] VM with ubuntu 32bit with linux-next does not boot
Status in linux package in
** Changed in: linux (Ubuntu Yakkety)
Status: In Progress => Incomplete
** Changed in: linux (Ubuntu Zesty)
Status: In Progress => Incomplete
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@jrp, it looks the patch in comment #26 is unrelated to this bug?
The patch is for cxlflash (Support for IBM CAPI Flash), which doesn't exist in
a VM running on Hyper-V.
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Testing in comment #5 confirmed this bug was only happening with the
upstream kernels and not Ubuntu kernels. Is that still the case with
Xenial?
Also, can you confirm the patch in comment #26 is needed in Yakkety and
Zesty to get 32 bit Ubuntu VMs to boot? If so, I will submit it for SRU
to
** Also affects: linux (Ubuntu Zesty)
Importance: Medium
Assignee: Joseph Salisbury (jsalisbury)
Status: In Progress
** Also affects: linux (Ubuntu Yakkety)
Importance: Undecided
Status: New
** Also affects: linux (Ubuntu Xenial)
Importance: Undecided
Status:
** Changed in: linux (Ubuntu)
Status: Triaged => In Progress
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Title:
[Hyper-V] VM with ubuntu 32bit with linux-next does not
https://git.kernel.org/cgit/linux/kernel/git/next/linux-
next.git/commit/?id=68ab2d76e4be785a7003fdb42b7c4ed8bba56ae2
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Title:
Wait for our upstream submission, please. There may be feedback.
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Title:
[Hyper-V] VM with ubuntu 32bit with linux-next does not
Do you want me to build a test kernel with your new patch now, or do you
want to wait until it lands upstream?
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Title:
[Hyper-V] VM
We have a patch that was created for 32bit and testing it now it's also
resolving the upstream 32bit boot issue.
Waiting for it to be accepted in upstream, so we should be done with any of the
current bisect work.
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The 4.0.0-04-generic_4.0.0-04.201605191143_i386 kernel from
lp1555786 also does *not* boot.
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Title:
[Hyper-V] VM with
I built the first test kernel, up to the following commit:
4fc8adcfec3da639da76e8314c9ccefe5bf9a045
The test kernel can be downloaded from:
http://kernel.ubuntu.com/~jsalisbury/lp1556875
Can you test that kernel and report back if it has the bug or not? I
will build the next test kernel based on
I tried the 4.0.0-04.201605171131_i386 kernel however it will hang
at boot, so we might be getting closer to the root patch.
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Yes, sorry. Cut and paste error. The correct folder is:
http://kernel.ubuntu.com/~jsalisbury/lp1555786/
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Title:
[Hyper-V] VM
lp1556875 is not a valid folder, would it be lp1555786 again where you
put the latest deb files?
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Title:
[Hyper-V] VM with ubuntu
I built the first test kernel, up to the following commit:
2c33ce009ca2389dbf0535d0672214d09738e35e
The test kernel can be downloaded from:
http://kernel.ubuntu.com/~jsalisbury/lp1556875
Can you test that kernel and report back if it has the bug or not? I
will build the next test kernel based on
Hi Joe,
Tested on Ubuntu Xenial 32 bit and Ubuntu 14.04.3 32 bit and the bug is
not present. VM booted very well.
Thanks.
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Title:
Sorry, I posted the 64 bit .debs. The 32 bit packages should now be
posted here:
http://kernel.ubuntu.com/~jsalisbury/lp1555786/
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Hi Joe,
The link provided is not valid. I also checked all the folders from your
repo dated 13-May-2016 but none seem to have the 32bit packages.
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Sorry for the delay. I figured out the build failure for the bisect.
I built the first test kernel, up to the following commit:
6c373ca89399c5a3f7ef210ad8f63dc3437da345
The test kernel can be downloaded from:
http://kernel.ubuntu.com/~jsalisbury/lp1556875
Can you test that kernel and report
Sorry, the first test kernel for the bisect failed. I'll dig into the
failure and get the first test kernel shortly.
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Title:
Hi Joe,
Have you had the chance to do some bisect on the patch from 4.0.9 to
4.1?
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Title:
[Hyper-V] VM with ubuntu 32bit with
Hi Joseph,
Tested with this kernel
http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.0.9-wily/ to be sure that the
VM is booting as expected.
Also when I tested with this kernel
http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.1-rc1-vivid/ the VM did not
boot.
Thanks.
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Hi Dorin,
Can you test the v4.1-rc1 kernel to see if that was the release
candidate that introduced the regression? If it is not, we should test
some of the other release candidates until we find the last good one and
first bad one.
The 4.1-rc1 kernel can be downloaded from:
Hi Joe,
You can send us the test kernels and we can quickly verify them.
Thank you!
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Title:
[Hyper-V] VM with ubuntu 32bit with
Sure, I can assist with a bisect.
I can either build kernels and post them for you to test, or I can test
them myself on my Hyper-V setup. My setup is currently tied up running
test until probably Monday for bug 1470250. Just let me know if you
want me to start building test kernels for you.
Tested with upstream kernel 4.0 and 4.0.9 on a 32 bit VM. With both of this
version VM booted as expected without issues.
Also I tested with upstream kernel 4.1 and VM did not boot. I expect that the
issue is present for first time in upstream kernel 4.1.
My question is: Could you please,
I tested all the upstream kernels going back to 4.2. None of them will
boot in a 32 bit guest. I had not problem creating a new Xenial 32 bit
guest, which is based on the 4.4 kernel. However, the system would not
boot the upstream 4.4 kernel. It may be that Ubuntu has a SAUCE patch
applied
I can confirm that 4.5 final and 4.5-rc7 fail to boot on a 32bit guest
on my setup as well. I am seeing an I/O error on the disk. Booting
back into a 15.10 kernel, the disk is automatically fsck'd and boots
fine. Going back to a mainline kernel, I get the I/O error again.
I'll test some of
Thanks Joe for the confirmation!
This issue was first seen as back as 4.4 rc8 when we picked it up first, so we
have to go even back in time with the releases to find the problem.
Question comes then if this pre-dates 4.4 stable, would this help with the
bisect, since 4.4 is used in 16.04.
** Changed in: linux (Ubuntu)
Importance: Undecided => Medium
** Changed in: linux (Ubuntu)
Status: Incomplete => Triaged
** Tags added: kernel-da-key
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