** Tags added: cscc
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Title:
Userspace break as a result of missing patch backport
Status in linux package in Ubuntu:
Fix
Hi Chris, as per comment #21, the issue exists in kernel 4.18.0-14, and was
fixed in 4.18.0-15.
So, you need to update your kernel.
Cheers,
Guilherme
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Chris (~iplayfast): You're not running the latest HWE kernel image:
linux-image-generic-hwe-18.04 | 4.18.0.18.68 | bionic-updates
"cat /proc/version" would report:
Linux version 4.18.0-18-generic (buildd@lcy01-amd64-006) (gcc version 7.3.0
(Ubuntu 7.3.0-16ubuntu3)) #19~18.04.1-Ubuntu SMP Fri
I'm on Kernal version
more /proc/version
Linux version 4.18.0-14-generic (buildd@lcy01-amd64-026) (gcc version 7.3.0 (Ubu
ntu 7.3.0-16ubuntu3)) #15~18.04.1-Ubuntu SMP Mon Jan 14 11:09:26 UTC 2019
And this bug is still occurring.
At ctrl-alt-f1 console, type my username, password prompt appears,
This bug was fixed in the package linux - 4.4.0-143.169
---
linux (4.4.0-143.169) xenial; urgency=medium
* linux: 4.4.0-143.169 -proposed tracker (LP: #1814647)
* x86/kvm: Backport fixup and missing commits (LP: #1811646)
- KVM: x86: avoid vmalloc(0) in the KVM_SET_CPUID
Will the fix for 16.04 32 bit be available through normal channels in the near
future?
Thank you.
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Title:
Userspace break as a
Yes, the fix seems to have saved us. Confirmed, with kernel
4.15.0-46-generic, an Ubuntu 18.04 update on 4th of March.
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Title:
fix confirmed, thanks
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Title:
Userspace break as a result of missing patch backport
Status in linux package in Ubuntu:
Fix
Confirming fix, login working again on bionic. Thanks for your work.
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Title:
Userspace break as a result of missing patch backport
I was forced to install the LTSEnablementStack because with the regular
4.4.0 kernel, suddenly with an update, a certain combination of
docking/undocking my laptop led to a system freeze. Newer kernels (4.8
back then) did not have the problem, also I could name the 4.4.0 kernel
image that also ran
Regarding Ubuntu 16.04's "xenial" GA kernel (4.4), I've been told that
the Kernel team ran into some issues with these and are now planning to
release them next week. As Brandon discussed, installing the 4.15
hardware enablement (HWE) kernel - as documented at
In xenial with hwe stack I got 4.15.0-46-generic now also and the bug is
gone.
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Title:
Userspace break as a result of missing patch
My system updated today, and I can confirm that the issue for login to
the shell seems to have gone away. tnx.
4.15.0-46-lowlatency #49-Ubuntu SMP PREEMPT Wed Feb 6 10:23:17 UTC 2019
x86_64 x86_64 x86_64 GNU/Linux
On Tue, 2019-03-05 at 22:51 +, SAMUEL TEIXEIRA SANTOS wrote:
> I just made
I just made right now the update on my ubuntu 18.02 and got the new
4.15.0-46-generic kernel. The bug is fixed to me. Thanks all
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still available only in Proposed though
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Title:
Userspace break as a result of missing patch backport
Status in linux package in
This bug was fixed in the package linux - 4.15.0-46.49
---
linux (4.15.0-46.49) bionic; urgency=medium
* linux: 4.15.0-46.49 -proposed tracker (LP: #1814726)
* mprotect fails on ext4 with dax (LP: #1799237)
- x86/speculation/l1tf: Exempt zeroed PTEs from inversion
*
Update?
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Title:
Userspace break as a result of missing patch backport
Status in linux package in Ubuntu:
Fix Committed
Status in
I'm located in solar > earth > europe but still waiting for the -update
version of xenial too (@_@)
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Title:
Userspace break as a
Hey Andrea,
I have the same problem as you. There are still some regions of the
earth where it is still March 4th. I hope the fix will be released soon.
It is sad that of all things, the both LTS versions which are advertised
to be used for better reliability and stability, seem to get fixed at
Am I wrong or the fix hasn't yet been released?
I understood the release date was the 4th March.
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Title:
Userspace break as a
Thanks for the link Guilherme, guess that answers that question.
Given March 4 is just round the corner, I am not sure there is much can be done
at this point, but I will however just echo what Tom beat me to saying:
As a software developer I fully understand and recognise the need to
delay
Considering that this is a regression, with major impact (TTY login no
longer possible, often no graphical login either), many affected users
on (amongst other) the latest LTS release, and both this fact and how to
fix it has been known since at least January 30, I am puzzled as to why
this is
Thanks all for the tests.
@md_5: According to https://kernel.ubuntu.com, the promotion of the
-proposed packages to -updates is scheduled to March, 4th.
Cheers,
Guilherme
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I tested the kernel 4.4.0-143 from xenial-proposed on 16.04 and from
trusty-proposed on 14.04 and it fix the problem for these 2 releases.
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I tested the kernel 4.15.0-46 from bionic/proposed. I confirm that it
fix the problem for Ubuntu 18.04
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Title:
Userspace break as a
I tested 4.15.0-46 from bionic-proposed. I can confirm that it is
working for Ubuntu 18.04.
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Title:
Userspace break as a result of
Are we going to see a release on this soon?
Nearly a month for a userspace impacting regression :(
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Title:
Userspace break as a
Also seen on AskUbuntu - https://askubuntu.com/q/1113704/66509 - with
16.04 LTS and 18.04 LTS.
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Title:
Userspace break as a result
Confirming the login loop bug for 16.04.5 LTS with 4.4.0-142-generic
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Userspace break as a result of missing patch backport
Confirming the login loop bug for 18.04.2 with 4.15.0-45-generic
And also confirming the fix in proposed with 4.15.0-46-generic
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Hi Edgar, I've changed it back =)
It should be Fix Committed if the patch is present/merged in the kernel, but
kernel wasn't released yet. Once it gets released, it'll get changed to Fix
Released.
Cheers,
Guilherme
** Changed in: linux (Ubuntu Bionic)
Status: Fix Released => Fix
Hello, I mistakenly change the status of Bionic to Fix released, I
didn't know that I could change something like this since I'm not a
maitainer of some sort, I'm just an end user. I tried to cancel the
change but I don't have the right to do so.
** Changed in: linux (Ubuntu Bionic)
I think I may have run into another issue related to the same bug. While
the login loop problem appears to have been fixed, the fix does not seem
to have cascaded down to other prompts that one may encounter in special
circumstances. In my case, I had an external USB drive connected to my
server
** Tags removed: verification-needed-bionic
** Tags added: verification-done-bionic
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Title:
Userspace break as a result of missing
The kernel in -proposed solves the problem, I've tested it !
I don't know how to add the flag "verification-done-bionic" to this bug
though.
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Error seems to be fixed. I have made the following solution:
# apt install --install-recommends linux-generic-hwe-18.04 xserver-xorg-
hwe-18.04
Login as user/root in the text console (tty) with kernel 4.18.0-15 was
possible without any problems.
My system: KDE Neon Useredition
--
You received
I enabled proposed, did an apt-get update, it got the index file:
Get:9 http://archive.ubuntu.com/ubuntu bionic-proposed InRelease [242
kB]
Then I did an apt-get dist-upgrade and no kernel showed up in the list
of pacages to upgrade. What do I need to do to test the new kernel.
--
You
This bug is awaiting verification that the kernel in -proposed solves
the problem. Please test the kernel and update this bug with the
results. If the problem is solved, change the tag 'verification-needed-
bionic' to 'verification-done-bionic'. If the problem still exists,
change the tag
Samuel, for now the suggestion is to keep kernel 4.15.0-43, as it
doesn't show the issue reported in this LP.
Soon (probably later today or tomorrow) the new version for 4.15 will
show up in -proposed pocket, so you can update to that version for
testing purposes, since that version will have the
On Thu 2019-02-14 (10:46), SAMUEL TEIXEIRA SANTOS wrote:
> In my case I have two stations with ubuntu 18.04(bionic), both with
> linux-image-4.15.0-45-generic and linux-image-4.15.0-43-generic.
>
> So, I wait or can I apply somehow the fix it?
Install linux-image-generic-hwe-18.04
This package
You're welcome Putatieve, thanks for testing the Xenial 4.4.0-143
version!
And you're right, we will have a fix for Xenial-HWE - as soon it is available,
you will observe a new message from Brad Figg here, this time adding a tag
"verification-needed-bionic".
And then, likely the version for
Hi all.
I'm following your discussion, but I couldn't realize if I can fix or
just waiting the fix.
In my case I have two stations with ubuntu 18.04(bionic), both with
linux-image-4.15.0-45-generic and linux-image-4.15.0-43-generic.
So, I wait or can I apply somehow the fix it?
All this is
Hi Guilherme,
Thanks for your response. I was under the impression that there would
also be fix in 'proposed' for Xenial-HWE.
I can confirm that the issue is fixed in 4.4.0-143 (and indeed present
in 4.4.0-142).
Best,
W;-)
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Hi Putatieve, thanks for you attention here. Let me try to clarify what happens
here: the issue is present in kernel 4.4.0-142, 4.15.0-45 and 4.18.0-14. The
three versions were already released,
but the fix for the regression observed in this LP is present in the new
versions that are getting
Of course, the bug/regression only appeared in 4.15.0-45 (4.15.0-43 is
fine).
In post #11, Brad Figg specifically asked us to test a fix, released in
the 'proposed' repository, ASAP and report back with the result.
Otherwise the proposed fix would be dropped.
But on Ubuntu 16.04
I'm under unbuntu 16.04 kernel 4.4.0 and the xenial-proposed solved
problem reading /dev/tty for me
** Tags removed: verification-needed-xenial
** Tags added: verification-done-xenial
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You don't seem to understand what I said: I DO HAVE 4.15.0 installed
(linux-generic-hwe-16.04):
https://packages.ubuntu.com/search?keywords=linux-generic-hwe-16.04=names=xenial-updates=all
running 'apt-get install -t xenial-proposed linux-generic-hwe-16.04'
does NOT pull any new/updated 4.15.0
Right, the fixed kernel mentioned in -proposed is NOT the 4.15 HWE
kernel, it's the 4.4.0 kernel.
You need to select the correct kernel if you wish to test the fix.
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And I am running ubuntu 16.04
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Title:
Userspace break as a result of missing patch backport
Status in linux package in Ubuntu:
PS: linux-genric-hwe-16.04 is a typo in this post
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Title:
Userspace break as a result of missing patch backport
Status in linux
I most definitly do have linux-generic-hwe-16.04 installed. I installed
linux-generic to test if xenial-proposed was properly configured, as
'apt-get install -t xenial-proposed linux-genric-hwe-16.04' didn't
install anything.
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Putatieve,
Seems like you have the bionic HWE installed, so that is why your server is
defaulting to 4.15.
Your apt log shows 4.4 downloading so you should be able to manually boot into
it from grub...
Personally I'm hoping an update drops to bionic proposed as Xenial was not part
of my
I tried xenial-proposed, but the fix doesn't seem to be available yet.
It's still pulling 4.15.0 from xenial-updates (and that one still has
the problem).
I double checked that xenial-proposed is properly configured by installing
'linux-generic':
...
Get:24 http://be.archive.ubuntu.com/ubuntu
This bug is awaiting verification that the kernel in -proposed solves
the problem. Please test the kernel and update this bug with the
results. If the problem is solved, change the tag 'verification-needed-
xenial' to 'verification-done-xenial'. If the problem still exists,
change the tag
** Tags added: regression-update
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Title:
Userspace break as a result of missing patch backport
Status in linux package in Ubuntu:
Great, thanks Rehan!
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Title:
Userspace break as a result of missing patch backport
Status in linux package in Ubuntu:
Fix
I am running 18.04 with linux-image-generic-hwe-18.04 installed. I can
confirm that the issue has been resolved with the latest kernel which is
4.18.0-15-generic.
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No package containing the fix for 18.04 has been released yet, only 18.10.
It is therefore expected that 18.04.X still displays the issue.
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Hi Joe, can you please paste the output of "uname -a" from your system
that is presenting this issue?
Thanks in advance
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Title:
Hi,
Still present in latest i386 Bionic 18.04.02 LTS
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Title:
Userspace break as a result of missing patch backport
Status in
This bug was fixed in the package linux - 4.18.0-15.16
---
linux (4.18.0-15.16) cosmic; urgency=medium
* Ubuntu boot failure. 4.18.0-14 boot stalls. (does not boot) (LP: #1814555)
- Revert "drm/i915/ringbuffer: Delay after EMIT_INVALIDATE for gen4/gen5"
* Userspace break as
This bug was fixed in the package linux - 4.18.0-15.16
---
linux (4.18.0-15.16) cosmic; urgency=medium
* Ubuntu boot failure. 4.18.0-14 boot stalls. (does not boot) (LP: #1814555)
- Revert "drm/i915/ringbuffer: Delay after EMIT_INVALIDATE for gen4/gen5"
* Userspace break as
** Changed in: linux (Ubuntu Xenial)
Status: Triaged => Fix Committed
** Changed in: linux (Ubuntu Bionic)
Status: Triaged => Confirmed
** Changed in: linux (Ubuntu Bionic)
Status: Confirmed => Fix Committed
** Changed in: linux (Ubuntu Cosmic)
Status: Triaged => Fix
** Changed in: linux (Ubuntu Xenial)
Status: New => Triaged
** Changed in: linux (Ubuntu Bionic)
Status: New => Triaged
** Changed in: linux (Ubuntu Cosmic)
Status: New => Triaged
** Changed in: linux (Ubuntu)
Status: Confirmed => Triaged
** Changed in: linux
** Changed in: linux (Ubuntu)
Status: Triaged => Fix Committed
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Title:
Userspace break as a result of missing patch backport
We will pick the follow-up patch up for the next cycle.
** Also affects: linux (Ubuntu Cosmic)
Importance: Undecided
Status: New
** Also affects: linux (Ubuntu Xenial)
Importance: Undecided
Status: New
** Also affects: linux (Ubuntu Bionic)
Importance: Undecided
See https://marc.info/?t=15488303251=1=2 for LKML discussion and
replies.
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Title:
Userspace break as a result of missing patch
Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: linux (Ubuntu)
Status: New => Confirmed
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