[SOLVED] After updating kernal won't load

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[SOLVED] After updating kernal won't load

Postby sleepyz » Jan 10th, '18, 23:51

Upgraded from desktop 4.9.56-1.mga6 (/boot/vmlinuz-4.9.56-desktop-1.mga6)

to desktop 4.14.10-1.mga6 (/boot/vmlinuz-4.14.10-desktop-1.mga6)

Unit hangs on this last line in dmesg

1.688999 [DRM] AMDGPU KERNEL MODESETTING ENABLED.

1.695551 AMD IOMMUv2 driver by Joerg Roedel <jroedel@suse.de>

1.700270 AMD IOMMUv2 functionality not available on this system

1.711110 CRAT table not found

1.715877 Finished initializing topology ret=0

1.720701 kfd kfd:Initialized module

1.725663 fb: switching to amdgpudrmfb from VESA VGA
Last edited by sleepyz on Jun 6th, '18, 23:08, edited 1 time in total.
Linux 5.3.6-desktop-1.mga7 (gcc version 8.3.1 (Mageia 8.3.1-0.mga7)) 2019 GeForce GTX 760 OpenGL 4.6.0 NVIDIA 430.40 i5-3450 3.50GHz 16GB DDR3 240GB SSD, 1TB HD, 1xBR-RE Mageia:7 64bit KDE Plasma :5.15.4 KDE Framework:5.57.0 Qt:5.12.2 Kernel:5.3.6
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Re: After updating kernal won't load

Postby doktor5000 » Jan 11th, '18, 10:05

Can you take a look at https://forums.gentoo.org/viewtopic-t-1 ... art-0.html
and boot an older kernel to see which firmware file it requires, and also add the output of
Code: Select all
lspcidrake -v|grep VGA
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Re: After updating kernal won't load

Postby sleepyz » Jan 11th, '18, 16:02

Code: Select all
lspcidrake -v|grep VGA
Card:ATI Radeon HD 5000 to HD 6300 (radeon/fglrx): Advanced Micro Devices, Inc. [AMD/ATI]|Cape Verde XT [Radeon HD 7770/8760 / R7 250X] [DISPLAY_VGA] (vendor:1002 device:683d subv:1682 subd:3232)


Think it would be this file

Family Chipset name Product name Firmware
Southern Islands CAPE VERDE HD7750, HD7770, R7 250, R7 250X, R9 370X radeon/{verde_{ce,mc,me,pfp,rlc,smc},TAHITI_{uvd,vce}}.bin
Last edited by sleepyz on Jan 11th, '18, 18:53, edited 2 times in total.
Linux 5.3.6-desktop-1.mga7 (gcc version 8.3.1 (Mageia 8.3.1-0.mga7)) 2019 GeForce GTX 760 OpenGL 4.6.0 NVIDIA 430.40 i5-3450 3.50GHz 16GB DDR3 240GB SSD, 1TB HD, 1xBR-RE Mageia:7 64bit KDE Plasma :5.15.4 KDE Framework:5.57.0 Qt:5.12.2 Kernel:5.3.6
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Re: After updating kernal won't load

Postby sleepyz » Jan 11th, '18, 18:22

Don't know if this is any useful informationm
Code: Select all
lsmod |grep amd
amdkfd                139264  1
amd_iommu_v2           20480  1 amdkfd
amdgpu               1548288  44
i2c_algo_bit           16384  1 amdgpu
drm_kms_helper        135168  1 amdgpu
ttm                    94208  1 amdgpu
drm                   339968  16 amdgpu,ttm,drm_kms_helper
Last edited by isadora on Jan 11th, '18, 19:17, edited 1 time in total.
Reason: Placed command-output in between [CODE]-tags for better readability ;)
Linux 5.3.6-desktop-1.mga7 (gcc version 8.3.1 (Mageia 8.3.1-0.mga7)) 2019 GeForce GTX 760 OpenGL 4.6.0 NVIDIA 430.40 i5-3450 3.50GHz 16GB DDR3 240GB SSD, 1TB HD, 1xBR-RE Mageia:7 64bit KDE Plasma :5.15.4 KDE Framework:5.57.0 Qt:5.12.2 Kernel:5.3.6
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Re: After updating kernal won't load

Postby sleepyz » Jan 11th, '18, 18:42

I think I'm getting way over my head with trying to figure out which firmware files I need and reconfigure the kernel, So if I set dkms-autorebuild service enabled for every boot and wait till another kernel update, will that put the necessary firmware files on my system compile my kernel correctly?
Linux 5.3.6-desktop-1.mga7 (gcc version 8.3.1 (Mageia 8.3.1-0.mga7)) 2019 GeForce GTX 760 OpenGL 4.6.0 NVIDIA 430.40 i5-3450 3.50GHz 16GB DDR3 240GB SSD, 1TB HD, 1xBR-RE Mageia:7 64bit KDE Plasma :5.15.4 KDE Framework:5.57.0 Qt:5.12.2 Kernel:5.3.6
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Re: After updating kernal won't load

Postby doktor5000 » Jan 12th, '18, 00:47

Well my intent was not that you should reconfigure the kernel, I just wanted to know the filename and the exact model of the graphics chip.
What you still can try is just use a different monitor cable (displayport instead of HDMI or vice versa) as, believe it or not, this has fixed a similar issue for some others: https://bbs.archlinux.org/viewtopic.php?id=215833

Regarding your question, dkms-autorebuild is enabled by default when dkms is installed, but that has no relation to firmware whatsoever.
It will also not compile a kernel, what DKMS is intended to do is when it detects that a new kernel has been booted, for the kernel modules which are packaged in DKMS format it will check whether there is a compiled kernel modul in place, and if not it will compile that kernel module for the newly booted kernel.
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Re: After updating kernal won't load

Postby sleepyz » Jun 6th, '18, 18:07

Well after some time with no other options to try, I decided to change (upgrade) my video card and now the latest kernel will load. Very happy, went from AMD Radeon 7770 to NVIDIA 750 ti. Very weird that AMD would only work with Kernel 4.9.56 or earlier. Now the unit is on 4.14.44 :)
Linux 5.3.6-desktop-1.mga7 (gcc version 8.3.1 (Mageia 8.3.1-0.mga7)) 2019 GeForce GTX 760 OpenGL 4.6.0 NVIDIA 430.40 i5-3450 3.50GHz 16GB DDR3 240GB SSD, 1TB HD, 1xBR-RE Mageia:7 64bit KDE Plasma :5.15.4 KDE Framework:5.57.0 Qt:5.12.2 Kernel:5.3.6
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Re: After updating kernal won't load

Postby morgano » Jun 6th, '18, 22:49

Nice to know!
Please edit the subject line of the first post in this thread so it begins with "[SOLVED]"
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