DevHeads.net

kernel 4.4.0-108 / 16.04 LTS does not boot anymore

Hi there,

my good old pc  running 16.04 LTS Desktop got a an update today.

Now it does not boot any more.

it is a: Intel® Core™ i5-2500 CPU @ 3.30GHz × 4

The kernel it got is 4.4.0-108.

Fro this one it does not boot any more.

Kernel 4.4.0-104 boots fine.

Is there something I can do about this?

thanks

robert

Comments

Re: kernel 4.4.0-108 / 16.04 LTS does not boot anymore

By NoOp at 01/10/2018 - 15:22

On 1/9/2018 11:42 PM, robert rottermann wrote:

See:
<a href="https://usn.ubuntu.com/usn/usn-3522-3/" title="https://usn.ubuntu.com/usn/usn-3522-3/">https://usn.ubuntu.com/usn/usn-3522-3/</a>
"Details

USN-3522-1 fixed a vulnerability in the Linux kernel to address
Meltdown (CVE-2017-5754). Unfortunately, that update introduced
a regression where a few systems failed to boot successfully. This
update fixes the problem."

<a href="https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1741934" title="https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1741934">https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1741934</a>
Kernel trace with xenial 4.4 (4.4.0-108.131, Candidate kernels for PTI fix)

Re: kernel 4.4.0-108 / 16.04 LTS does not boot anymore

By Oliver Grawert at 01/10/2018 - 06:59

Am Mittwoch, den 10.01.2018, 08:42 +0100 schrieb robert rottermann:
this is likely 
<a href="https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1741934" title="https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1741934">https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1741934</a>

a 4.4.0-109 package that fixes it is in the archive already ... 
just do apt update/upgrade again ... 

ciao
oli

Re: kernel 4.4.0-108 / 16.04 LTS does not boot anymore

By Colin Law at 01/10/2018 - 04:19

On 10 January 2018 at 07:42, robert rottermann < ... at redcor dot ch> wrote:
Have a look in /var/log/syslog and see what it shows there for the
failed boot, which will obviously be before the good boot. Copy/paste
the section showing the failed boot here.

Colin

Re: kernel 4.4.0-108 / 16.04 LTS does not boot anymore

By robert rottermann at 01/10/2018 - 05:22

Thanks Colin
On 10.01.2018 10:19, Colin Law wrote:
It seems not to create any entry.

This is what I did to test:

moved /var/log/syslog away.

rebooted into the failing kernel.

two lines are shown in the console.

The second saying that the initial ramdisk is loaded

then nothing

No entry in /var/log/syslog when I log into kernel 4.4.0-104 recovery mode (the
failing version is -108)

robert

Re: kernel 4.4.0-108 / 16.04 LTS does not boot anymore

By Nils Kassube at 01/10/2018 - 06:41

robert wrote:
What happens if you start the -108 kernel in recovery mode? Is there
more than the two initial lines on the screen?

Nils

Re: kernel 4.4.0-108 / 16.04 LTS does not boot anymore

By Colin Law at 01/10/2018 - 05:26

On 10 January 2018 at 10:22, robert < ... at redcor dot ch> wrote:
I wonder whether the kernel install failed for some reason. It would
be worth trying

sudo apt-get update && sudo apt-get dist-upgrade

If that shows any errors then
sudo apt-get install -f

Colin

Re: kernel 4.4.0-108 / 16.04 LTS does not boot anymore

By robert rottermann at 01/10/2018 - 05:36

On 10.01.2018 11:26, Colin Law wrote:
I did so, but nothing changed.

robert

Re: kernel 4.4.0-108 / 16.04 LTS does not boot anymore

By Colin Law at 01/10/2018 - 06:17

On 10 January 2018 at 10:36, robert rottermann < ... at redcor dot ch> wrote:
This may capture messages from before the log gets going:
Firstly tell systemd to keep the journal
sudo mkdir /var/log/journal
The fact that the directory exists tells it to put stuff there.
Reboot into the failing kernel
Rebbot into the good kernel
Immediately run
journalctl -b -1 > ~/tmp/journal.txt
then in /tmp/journal.txt there may be something useful

Once this problem is sorted remove the /var/log/journal directory again.

Colin

Re: kernel 4.4.0-108 / 16.04 LTS does not boot anymore

By =?UTF-8?B?4Ka44... at 01/10/2018 - 02:59

Hi robert

2018-01-10 7:42 GMT+00:00 robert rottermann < ... at redcor dot ch>:

On which stage it is hanging now while booting? Can you please share a
photo/screenshot of your pc while booting?

it is a: Intel® Core™ i5-2500 CPU @ 3.30GHz × 4
On system start when the bios message appears and showing you messages then

Re: kernel 4.4.0-108 / 16.04 LTS does not boot anymore

By robert rottermann at 01/10/2018 - 03:41

Hi
On 10.01.2018 08:59, সাজেদুর রহিম জোয়ারদার wrote:
when I select the "more options" (i do not remember the exact wording) i get a
list with a number of kernels and boot options.
The first one is kernel 4.4.0-108.
If I boot into it, two lines are displayed in the text console.
The second line tells, that a virtual drive or some such is loaded. Then the pc
hangs.

when I boot from an older kernel, or an older ubuntu version still on the box,
everything works fine.

robert

Re: kernel 4.4.0-108 / 16.04 LTS does not boot anymore

By compdoc at 01/10/2018 - 09:36

I just installed updates and rebooted a server, and the same thing is
happening. blank screen at boot. I had to boot another kernel.