i915kms.ko driver problem

After upgrade from 12 to 12.1 amd64
With kernel.old system boots to the GUI ( mate desktop )
rc.conf
Code:
kld_list="/boot/modules/i915kms.ko"
i915kms.ko and drm.ko are loaded
also is loaded driver i915_kbl_dmc_ver1_04_bin.ko

2. But when I do upgrade from 12.0 to 12.1
with this rc.conf system hangs ( black screen no enter to the system ) when should load i915kms.ko driver

3. changed rc.conf to
kld_list="i915kms"
i915kms.ko and drm2.ko are loaded. I checked this kldstat -v
There is not driver i915_kbl_dmc_ver1_04_bin.ko loaded...
system does not recogize intel hd kaby lake graphic card
Boot only to the CLI with wrong screen resolution
Startx xorg not start - error invalid screen

what is wrong with i915kms driver????
I have no idea
Code:
clear_tmp_enable="YES"
hostname="PentiumG4560"
keymap="pl.kbd"
ifconfig_re0="DHCP"
local_unbound_enable="YES"
sshd_enable="YES"
moused_enable="YES"
ntpd_enable="YES"
powerd_enable="YES"
# Set dumpdev to "AUTO" to enable crash dumps, "NO" to disable
dumpdev="AUTO"
zfs_enable="YES"
hald_enable="YES"
dbus_enable="YES"
slim_enable="YES"
secadm_enable="YES"
smartd_enable="YES"
kld_list="/boot/modules/i915kms.ko" or kld_list="i915kms"
 
Last edited by a moderator:
Have been through this also. You will need to remove the drm-fbsd12.0-kmod, and build it back from ports. The 12.1 errata document describes this need https://www.freebsd.org/releases/12.1R/errata.html#open-issues) and you might want to check the 9other forum post about this:

 
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