*** This bug is a duplicate of bug 1838115 ***
https://bugs.launchpad.net/bugs/1838115
** This bug is no longer a duplicate of bug 1827884
x86: mm: early boot problem on i386 with KPTI enabled
** This bug has been marked a duplicate of bug 1838115
linux hwe i386 kernel
*** This bug is a duplicate of bug 1827884 ***
https://bugs.launchpad.net/bugs/1827884
** This bug has been marked a duplicate of bug 1827884
Boot problems after upgrade to kernel 4.15.0-48 (18.04.2LTS/i386)
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On 7/2/19 8:39 AM, Aere Greenway wrote:
> On 6/27/19 10:46 PM, Kai-Heng Feng wrote:
>> Ah, please try kernel parameter "nopti".
>>
> As I indicated in my earlier feedback, I tried that, and it didn't
> affect the problem.
>
I tried adding the nopti kernel parameter today, in particular, to the
On 7/2/19 10:34 AM, Kai-Heng Feng wrote:
> Alright, nothing more I can guess. Let's do a kernel bisection.
>
It works on the '-47' kernel (and the '-45' kernel), but on nothing
beyond that (I didn't have a '-50') kernel to try it on).
It seems it fails on the '-51' kernel, as well as the '-52'
Alright, nothing more I can guess. Let's do a kernel bisection.
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https://bugs.launchpad.net/bugs/1833018
Title:
After Installing Updates, system fails to boot on first try
Before doing a kernel bisection, can you please test 4.15.0-48-generic
and 4.15.0-50-generic?
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Title:
After Installing Updates,
On 6/27/19 10:46 PM, Kai-Heng Feng wrote:
> Ah, please try kernel parameter "nopti".
>
As I indicated in my earlier feedback, I tried that, and it didn't
affect the problem.
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Aere
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Ah, please try kernel parameter "nopti".
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Title:
After Installing Updates, system fails to boot on first try
Status in linux
On 6/18/19 10:19 AM, Aere Greenway wrote:
> On 6/17/19 10:48 PM, Kai-Heng Feng wrote:
>> Ok, then a kernel bisection is required. What's the latest kernel that
>> works and the first kernel that has this issue?
>>
> On the system I just installed, it's the '-20' version. On the old
> system, it
On 6/18/19 10:19 AM, Aere Greenway wrote:
> On 6/17/19 10:48 PM, Kai-Heng Feng wrote:
>> Ok, then a kernel bisection is required. What's the latest kernel that
>> works and the first kernel that has this issue?
>>
> On the system I just installed, it's the '-20' version. On the old
> system, it
On 6/17/19 10:48 PM, Kai-Heng Feng wrote:
> Ok, then a kernel bisection is required. What's the latest kernel that
> works and the first kernel that has this issue?
>
On the system I just installed, it's the '-20' version. On the old
system, it was a more recent version, and I think updates
Ok, then a kernel bisection is required. What's the latest kernel that
works and the first kernel that has this issue?
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Title:
On 6/17/19 8:50 PM, Kai-Heng Feng wrote:
> This is a quite good reference on how you do it:
> https://askubuntu.com/questions/19486/how-do-i-add-a-kernel-boot-parameter
>
Okay, that information was helpful.
I'm quite sure I did it right this time. I assume the text I add (after
a space at the
This is a quite good reference on how you do it:
https://askubuntu.com/questions/19486/how-do-i-add-a-kernel-boot-parameter
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Title:
On 6/16/19 10:08 PM, Kai-Heng Feng wrote:
> Does kernel parameter "nopti" help?
>
If, in the GRUB menu, instead of selecting "Ubuntu" (the default at the
top of the list), I instead select "advanced options for Ubuntu", and
then specify the prior kernel, it works fine, in several tries, without
Does kernel parameter "nopti" help?
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Title:
After Installing Updates, system fails to boot on first try
Status in linux package in
On 6/16/19 6:51 PM, Eduardo Alcober wrote:
> Just eliminate the first command. just
>
> sudo grub-install
> sudo update-grub
>
> from your normal user.
>
> Sorry, Thanks.
>
The grub-install required a device name. I specified:
sudo grub-install /dev/sda
It said it was successful, and the "sudo
Just eliminate the first command. just
sudo grub-install
sudo update-grub
from your normal user.
Sorry, Thanks.
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Title:
After
Hi,
Have you tried reinstalling grub? It's recommended after a big upgrade.
The sequence of commands is as follows:
su -
sudo grub-install
sudo update-grub
After this the machine should boot normally. Keep in touch.
Greetings,
EAC.
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When I boot, but specify the other partition (also Lubuntu 18.04.2) -
the one that originally started having the boot problems - it boots
successfully.
When I boot, but specify the originally-installed kernel (linux-
image-4.15.0-20-generic), it also boots successfully.
Sometimes, on the boots
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