[SOLVED] kernel 4.15.0.29.31 not loading

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all41
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[SOLVED] kernel 4.15.0.29.31 not loading

Post by all41 »

kernel 4.15.0.29.31 was in the UM today and I downloaded the headers, kernel, and the linux-libc-dev packages that were offered. The new kernel is ignored and the system still reverts to the 0-24 kernel after reboot. The new kernel doses not show up in the advanced grub options, although it does show with sudo update-grub. .31 is shown as installed in update manager but .24 is still loaded. UM history shows the .31 kernel packages installed.

How to load?
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Re: kernel 4.15.0.29.31 not loading

Post by smurphos »

All OK my end...

What does cat /var/log/apt/term.log say?
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Re: kernel 4.15.0.29.31 not loading

Post by gm10 »

all41 wrote: Fri Jul 20, 2018 1:19 pm kernel 4.15.0.29.31 was in the UM today and I downloaded the headers, kernel, and the linux-libc-dev packages that were offered. The new kernel is ignored and the system still reverts to the 0-24 kernel after reboot. The new kernel doses not show up in the advanced grub options, although it does show with sudo update-grub. .31 is shown as installed in update manager but .24 is still loaded. UM history shows the .31 kernel packages installed.

How to load?
Update Manager is a bit of a mess as far as kernel updates go tbh due to it trying to put the pieces together manually rather than using the meta packages. My guess is you didn't get all the parts. Let's do it the classic way:

Code: Select all

apt install --reinstall linux-generic
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Re: kernel 4.15.0.29.31 not loading

Post by Pjotr »

Maybe you've got a dual boot with another Linux, which contains the dominant Grub?
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Re: kernel 4.15.0.29.31 not loading

Post by gm10 »

Pjotr wrote: Fri Jul 20, 2018 2:03 pm Maybe you've got a dual boot with another Linux, which contains the dominant Grub?
good point. if that's the case, you just need to boot the other one and run sudo update-grub from there.
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Re: kernel 4.15.0.29.31 not loading

Post by all41 »

Pjotr wrote: Fri Jul 20, 2018 2:03 pm Maybe you've got a dual boot with another Linux, which contains the dominant Grub?
bingo Pjotr!

That was it.
As I was gathering the info for gm10 and smurphos I saw your reply and first thing I did was slap my forehead.

If more that one grub is present which would be dominant--would it be the first installed? the last to be updated? How could I determine and remove leaving just one?

Thank you and kudos Pjotr, gm10, and smurphos
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Re: kernel 4.15.0.29.31 not loading

Post by gm10 »

all41 wrote: Fri Jul 20, 2018 2:22 pm If more that one grub is present which would be dominant--would it be the first installed? the last to be updated? How could I determine and remove leaving just one?
Whichever one last ran sudo grub-install (if non-EFI you need to add the boot drive, not partition, after that). You can uninstall grub from the other.
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