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This has returned for Zesty. LP: #1641976
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Title:
4.8.0 kernels do not complete boot process on VM
To manage notifications about this bug go to
seems disabling the thermald.service is a walk around
i'm using
4.8.0-22-generic #24-Ubuntu SMP Sat Oct 8 09:15:00 UTC 2016 x86_64 x86_64
x86_64 GNU/Linux
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@timg-tpi: Got it! Thanks for the explanation. As I said, I've compiled
the kernel on my own, so don't worry :) But looks like a lack of testing
before the release
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Grief - mainline only gets built when upstream Linux changes, hence the
reason for this stale config which we've since changed in the distro
kernel. I've requested a mainline rebuild which should complete
presently.
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Seems that kernels in http://kernel.ubuntu.com/~kernel-ppa/mainline/ are
not fixed yet. I recompiled the kernel by myself with
CONFIG_HARDENED_USERCOPY_PAGESPAN disabled and it works now. Some
details are in this thread:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1633172
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I am having similar issues booting on my i7 6900K CPU. This is an issue
on real hardware, not a VM. The relevant bug is here
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1633172 .
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I have exactly the same issue with kernel 4.8.1 taken from here:
http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.8.1/
Isn't this bug supposed to be fixed already?
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This bug was fixed in the package linux-raspi2 - 4.8.0-1012.14
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linux-raspi2 (4.8.0-1012.14) yakkety; urgency=low
[ Tim Gardner ]
* Release Tracking Bug
- LP: #1630339
* Rebase against Ubuntu-4.8.0-21.23
-- Tim Gardner Tue, 04 Oct 2016 11:57:45
-0600
** Changed in:
Confirmed that Yakkety main kernel boots and logs into the desktop.
% uname -a
Linux anarchist 4.8.0-040800rc1-generic #201609281024 SMP Wed Sep 28 14:26:22
UTC 2016 x86_64 x86_64 x86_64 GNU/Linux
% dpkg-query -W linux-image-generic
linux-image-generic 4.8.0.19.28
Thanks!
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This bug was fixed in the package linux - 4.8.0-19.21
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linux (4.8.0-19.21) yakkety; urgency=low
[ Tim Gardner ]
* Release Tracking Bug
- LP: #1629057
* 4.8.0 kernels do not complete boot process on VM (LP: #1627198)
- [Config] CONFIG_HARDENED_USERCOPY_PAGESPAN=n
** Tags removed: kernel-key
** Tags added: kernel-da-key
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Title:
4.8.0 kernels do not complete boot process on VM
To manage notifications about
> Can you say whether it's the second problem that was breaking the desktop
> coming up on login? IOW, I observed two problems. One was a freeze during
> the boot process, and the other was a freeze during the login process
> (although the latter wasn't a total freeze, as ssh still worked).
As f
Thanks for the extra details Seth.
Can you say whether it's the second problem that was breaking the desktop
coming up on login? IOW, I observed two problems. One was a freeze during
the boot process, and the other was a freeze during the login process
(although the latter wasn't a total freeze,
I just wanted to add a note here to clarify things a little bit, since
from the comments here it's all a bit muddled. There are two loosely
related things happening.
The first problem, which is fixed by setting
CONFIG_HARDENED_USERCOPY_PAGESPAN=n, is that some security enhancements
were added in k
** Also affects: linux-raspi2 (Ubuntu)
Importance: Undecided
Status: New
** Changed in: linux-raspi2 (Ubuntu Yakkety)
Status: New => Fix Committed
** Changed in: linux-raspi2 (Ubuntu Yakkety)
Assignee: (unassigned) => Tim Gardner (timg-tpi)
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UBUNTU: [Config] CONFIG_HARDENED_USERCOPY_PAGESPAN=n
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Title:
4.8.0 kernels do not complete boot process on VM
To manage notifications about this
FWIW, I posted to the Fusion forums:
https://communities.vmware.com/message/2623359#2623359
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Title:
4.8.0 kernels do not complete boot process o
This config option is intended to be used only while trying to find
anything that copies from userspace with cross page boundaries, and it
looks like some vmware driver was doing exactly that.
** Bug watch added: Red Hat Bugzilla #1373326
https://bugzilla.redhat.com/show_bug.cgi?id=1373326
**
@Vinson Lee, it looks like you were correct about that option!
** Changed in: linux (Ubuntu Yakkety)
Status: Confirmed => Fix Committed
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Ti
I built a Yakkety test kernel with CONFIG_HARDENED_USERCOPY_PAGESPAN
disabled.
The test kernel can be downloaded from:
http://kernel.ubuntu.com/~jsalisbury/lp1627198
Can you test that kernel and report back if it has the bug or not?
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I built the next test kernel, up to the following commit:
ed18adc1cdd00a5c55a20fbdaed4804660772281
The test kernel can be downloaded from:
http://kernel.ubuntu.com/~jsalisbury/lp1627198
Can you test that kernel and report back if it has the bug or not? I
will build the next test kernel based on y
I built the next test kernel, up to the following commit:
1bd4403d86a1c06cb6cc9ac87664a0c9d3413d51
The test kernel can be downloaded from:
http://kernel.ubuntu.com/~jsalisbury/lp1627198
Can you test that kernel and report back if it has the bug or not? I
will build the next test kernel based on y
On Sep 29, 2016, at 03:20 AM, Joseph Salisbury wrote:
>I built the next test kernel, up to the following commit:
>1eccfa090eaea22558570054bbdc147817e1df5e
201609282035 boots, does not give me a desktop, and I see the crash in the
syslog.
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I built the next test kernel, up to the following commit:
1eccfa090eaea22558570054bbdc147817e1df5e
The test kernel can be downloaded from:
http://kernel.ubuntu.com/~jsalisbury/lp1627198
Can you test that kernel and report back if it has the bug or not? I
will build the next test kernel based on y
On Sep 28, 2016, at 11:06 PM, Joseph Salisbury wrote:
>I built the next test kernel, up to the following commit:
>97433ea4fda62349bfa42089455593cbcb57e06c
201609281855 boots and gives me a desktop. No crash in usercopy.c found in
syslog.
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I built the next test kernel, up to the following commit:
97433ea4fda62349bfa42089455593cbcb57e06c
The test kernel can be downloaded from:
http://kernel.ubuntu.com/~jsalisbury/lp1627198
Can you test that kernel and report back if it has the bug or not? I
will build the next test kernel based on y
I built the next test kernel, up to the following commit:
a3d1ddd932bc86f0f7027079754ab0aefd259109
The test kernel can be downloaded from:
http://kernel.ubuntu.com/~jsalisbury/lp1627198
Can you test that kernel and report back if it has the bug or not? I
will build the next test kernel based on y
I built the next test kernel, up to the following commit:
cb0d93aaf06d9b23dc2b21b59c6c4bf7da6f0da3
The test kernel can be downloaded from:
http://kernel.ubuntu.com/~jsalisbury/lp1627198
Can you test that kernel and report back if it has the bug or not? I
will build the next test kernel based on y
Working on IRC, but posting here to keep track of all the commits for
the second bisect.
I built the next test kernel, up to the following commit:
7de249964f5578e67b99699c5f0b405738d820a2
The test kernel can be downloaded from:
http://kernel.ubuntu.com/~jsalisbury/lp1627198
Can you test that ker
On Sep 28, 2016, at 02:39 PM, Joseph Salisbury wrote:
>It looks like we'll have to perform a second bisect, but also reverting
>commit 2deb4be2 between each step.
Just to follow up, I was able to eventually gain a desktop with the rc1 kernel
and the bad commit reverted. My current plan is to dis
It looks like we'll have to perform a second bisect, but also reverting
commit 2deb4be2 between each step.
Let's start by testing v4.8-rc1 with commit 2deb4be2 reverted. That
kernel is now build and available in the usual location:
http://kernel.ubuntu.com/~jsalisbury/lp1627198
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On Sep 27, 2016, at 11:12 PM, Joseph Salisbury wrote:
>I built a mainline kenel with commit
>2deb4be28077638591fe5fc593b7f8aabc140f42 reverted.
>
>Can you test this kernel to see if it also has the new desktop issue?
That one gets a little farther but ultimately doesn't give me a desktop
either.
I built a mainline kenel with commit
2deb4be28077638591fe5fc593b7f8aabc140f42 reverted.
Can you test this kernel to see if it also has the new desktop issue?
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On Sep 27, 2016, at 09:15 PM, Joseph Salisbury wrote:
>Can you see if this kernel resolves this bug?
Almost! As mentioned in IRC, it boots but login doesn't give me a
desktop.
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I built a Yakkety test kernel with a revert of commit
2deb4be28077638591fe5fc593b7f8aabc140f42.
The test kernel can be downloaded from:
http://kernel.ubuntu.com/~jsalisbury/lp1627198
Can you see if this kernel resolves this bug?
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On Sep 27, 2016, at 08:28 PM, Joseph Salisbury wrote:
>The bisect reported the following as the first bad commit:
>
>commit 2deb4be28077638591fe5fc593b7f8aabc140f42
>Author: Andy Lutomirski
>Date: Thu Jul 14 13:22:55 2016 -0700
>
>x86/dumpstack: When OOPSing, rewind the stack before do_exit
The bisect reported the following as the first bad commit:
commit 2deb4be28077638591fe5fc593b7f8aabc140f42
Author: Andy Lutomirski
Date: Thu Jul 14 13:22:55 2016 -0700
x86/dumpstack: When OOPSing, rewind the stack before do_exit()
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I built the next test kernel, up to the following commit:
46aea3873401836abb7f01200e7946e7d518b359
The test kernel can be downloaded from:
http://kernel.ubuntu.com/~jsalisbury/lp1627198
Can you test that kernel and report back if it has the bug or not? I
will build the next test kernel based on y
I built the next test kernel, up to the following commit:
9a2e9da3e003112399f2863b7b6b911043c01895
The test kernel can be downloaded from:
http://kernel.ubuntu.com/~jsalisbury/lp1627198
Can you test that kernel and report back if it has the bug or not? I
will build the next test kernel based on y
I built the next test kernel, up to the following commit:
2deb4be28077638591fe5fc593b7f8aabc140f42
The test kernel can be downloaded from:
http://kernel.ubuntu.com/~jsalisbury/lp1627198
Can you test that kernel and report back if it has the bug or not? I
will build the next test kernel based on y
I built the next test kernel, up to the following commit:
af2cf278ef4f9289f88504c3e03cb12f76027575
The test kernel can be downloaded from:
http://kernel.ubuntu.com/~jsalisbury/lp1627198
Can you test that kernel and report back if it has the bug or not? I
will build the next test kernel based on y
I built the next test kernel, up to the following commit:
be8a18e2e98e04a5def5887d913b267865562448
The test kernel can be downloaded from:
http://kernel.ubuntu.com/~jsalisbury/lp1627198
Can you test that kernel and report back if it has the bug or not? I
will build the next test kernel based on y
I built the next test kernel, up to the following commit:
3ebfd81f7fb3e81a754e37283b7f38c62244641a
The test kernel can be downloaded from:
http://kernel.ubuntu.com/~jsalisbury/lp1627198
Can you test that kernel and report back if it has the bug or not? I
will build the next test kernel based on y
I built the next test kernel, up to the following commit:
c86ad14d305d2429c3da19462440bac50c183def
The test kernel can be downloaded from:
http://kernel.ubuntu.com/~jsalisbury/lp1627198
Can you test that kernel and report back if it has the bug or not? I
will build the next test kernel based on y
On Sep 27, 2016, at 03:32 PM, Joseph Salisbury wrote:
>I built the next test kernel, up to the following commit:
>0f657262d5f99ad86b9a63fb5dcd29036c2ed916
Thanks. 201609271113 does *not* boot.
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I built the next test kernel, up to the following commit:
0f657262d5f99ad86b9a63fb5dcd29036c2ed916
The test kernel can be downloaded from:
http://kernel.ubuntu.com/~jsalisbury/lp1627198
Can you test that kernel and report back if it has the bug or not? I
will build the next test kernel based on y
On Sep 26, 2016, at 11:36 PM, Joseph Salisbury wrote:
>I built the next test kernel, up to the following commit:
>5048c2af078d5976895d521262a8802ea791f3b0
#201609261917 boots!
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I built the next test kernel, up to the following commit:
5048c2af078d5976895d521262a8802ea791f3b0
The test kernel can be downloaded from:
http://kernel.ubuntu.com/~jsalisbury/lp1627198
Can you test that kernel and report back if it has the bug or not? I
will build the next test kernel based on y
On Sep 26, 2016, at 10:52 PM, Joseph Salisbury wrote:
>I built the next test kernel, up to the following commit:
>52770c37db2c0ee5585dae2de3d19c8453f1e8dc
This one boots!
linux-image-4.7.0-040700-generic_4.7.0-040700.201609261819_amd64.deb
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I built the next test kernel, up to the following commit:
52770c37db2c0ee5585dae2de3d19c8453f1e8dc
The test kernel can be downloaded from:
http://kernel.ubuntu.com/~jsalisbury/lp1627198
Can you test that kernel and report back if it has the bug or not? I
will build the next test kernel based on y
I built the next test kernel, up to the following commit:
55392c4c06204c8149dc09cf474691f1cc3c
The test kernel can be downloaded from:
http://kernel.ubuntu.com/~jsalisbury/lp1627198
Can you test that kernel and report back if it has the bug or not? I
will build the next test kernel based on y
Commit 8e1f74ea0, mentioned in comment #11, was not added to mainline
until v4.8-rc6. However, Barry is seeing this bug as early as v4.8-rc1.
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Tit
Try disabling CONFIG_HARDENED_USERCOPY_PAGESPAN.
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=8e1f74ea02cf4562404c48c6882214821552c13f
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I built the next test kernel, up to the following commit:
f7816ad0f878dacd5f0120476f9b836ccf8699ea
The test kernel can be downloaded from:
http://kernel.ubuntu.com/~jsalisbury/lp1627198
Can you test that kernel and report back if it has the bug or not? I
will build the next test kernel based on y
I started a kernel bisect between v4.7 final and v4.8-rc1. The kernel bisect
will require testing of about 7-10 test kernels.
I built the first test kernel, up to the following commit:
1c88e19b0f6a8471ee50d5062721ba30b8fd4ba9
The test kernel can be downloaded from:
http://kernel.ubuntu.com/~jsal
4.8 rc1 does not boot
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Title:
4.8.0 kernels do not complete boot process on VM
To manage notifications about this bug go to:
https://bugs.launch
On Sep 26, 2016, at 06:18 PM, Joseph Salisbury wrote:
>v4.5: http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.5-wily/
>v4.6: http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.6-yakkety/
>v4.7: http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.7/
All of these kernels (amd64, generic) boot successful
** Tags added: performing-bisect
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Title:
4.8.0 kernels do not complete boot process on VM
To manage notifications about this bug go to:
https://
We are discussion on IRC, however, here are the links to the upstream
stable kernels:
v4.5: http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.5-wily/
v4.6: http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.6-yakkety/
v4.7: http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.7/
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I'd like to perform a kernel bisect to identify the commit that
introduced this regression. We need to first identify the last good
kernel version and the first bad one. Do you know what kernel was the
last one that did not exhibit this bug? If not, I can post some
download links, so prior kerne
On Sep 26, 2016, at 12:48 PM, Leann Ogasawara wrote:
>Could you re-test with the 4.8.0-17.19 kernel we have in ppa:canonical-
>kernel-team/unstable
Unfortunately this kernel also fails to completely boot. The last things I
see in the console are
[ OK ] Started Login Service.
[ 36.445144] cgrou
Hi Barry,
Could you re-test with the 4.8.0-17.19 kernel we have in ppa:canonical-
kernel-team/unstable
https://launchpad.net/~canonical-kernel-team/+archive/ubuntu/unstable
Thanks in advance.
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** Changed in: linux (Ubuntu)
Importance: Undecided => Critical
** Changed in: linux (Ubuntu)
Assignee: (unassigned) => Canonical Kernel Team (canonical-kernel-team)
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Unfortunately, I cannot run this command on the system in question since
booting with the defective kernel never gives me a prompt or an ssh
login.
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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** Summary changed:
- 4.4.8 kernels do not complete boot process on VM
+ 4.8.0 kernels do not complete boot process on VM
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Title:
4.8.0 kernels
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