KDM won't start after system upgrade?

forrest.koch · 2017-10-28 06:31:17

I went to do a system update this afternoon and now my laptop fails to startup properly.

dmesg | grep microcode

gives :

[    0.000000] [Firmware Bug]: TSC_DEADLINE disabled due to Errata; please update microcode to version: 0xb2 (or later)
[    0.748388] microcode: sig=0x406e3, pf=0x80, revision=0x33
[    0.748591] microcode: Microcode Update Driver: v2.2.

Luckily I'm still able to access other tty's and run startx (although it doesn't start my KDE environment which is strange).

So came accross the Microcode wiki page; however the instructions don't seem to be working for me (unless I'm missing something obvious...)

The page says I need to install intel-ucode first, but when I run

sudo pacman -S intel-ucode

it fails stating:

intel-ucode:  /boot/intel-ucode.img exists in filesystem

I thought maybe I should just go ahead and try the grub reconfiguration step that follows. This duplicates the options in my bootloader, but doesn't seem to do much else.

I'm not sure what other information I should supply, but any help would be much appreciated.

Last edited by forrest.koch (2017-10-28 06:54:35)

jasonwryan · 2017-10-28 06:39:37

Please paste the output of `pacman -Q linux && pacman -Q intel-ucode` and then look in your journal for why KDM is not starting.

Also, please edit your thread title: your computer isn't broken, your display manager is not starting.

Moving to NC...

forrest.koch · 2017-10-28 06:53:53

Sorry I was perhaps a bit over-dramatic. Thanks for your quick reply.

The output is:

linux: 4.13.9-1
error: package 'intel-ucode' was not found

jasonwryan · 2017-10-28 06:57:41

pacman -Qo /boot/intel-ucode

forrest.koch · 2017-10-28 07:05:42

pacman -Qo /boot/intel-ucode

gives

error: failed to read file '/boot/intel-ucode': No such file or directory

and

pacman -Qo /boot/intel-ucode.img

gives

error: No package owns /boot/intel-ucode.img

I was thinking maybe I could remove /boot/intel-ucode.img to allow the up-to-date one to install; however, I'm too afraid to delete something in the boot partition to try...

Last edited by forrest.koch (2017-10-28 07:34:03)

jasonwryan · 2017-10-28 08:16:15

So how did you install that ucode img if you didn't use pacman?

Arch Linux

#1 2017-10-28 06:31:17

KDM won't start after system upgrade?

#2 2017-10-28 06:39:37

Re: KDM won't start after system upgrade?

#3 2017-10-28 06:53:53

Re: KDM won't start after system upgrade?

#4 2017-10-28 06:57:41

Re: KDM won't start after system upgrade?

#5 2017-10-28 07:05:42

Re: KDM won't start after system upgrade?

#6 2017-10-28 08:16:15

Re: KDM won't start after system upgrade?

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