@jsalisbury This does indeed fix the issue:
~$ sudo update-initramfs -u -v -k all|grep kbl
Adding firmware /lib/firmware/i915/kbl_dmc_ver1_01.bin
Adding firmware /lib/firmware/i915/kbl_huc_ver02_00_1810.bin
/usr/sbin/iucode_tool: system has processor(s) with signature 0x000806e9
/usr/sbin/iucode_tool: Writing selected microcodes to:
/var/tmp/mkinitramfs-EFW_1VBI8FyxJM
/usr/share/initramfs-tools/scripts/panic/ORDER ignored: not executable
/usr/share/initramfs-tools/scripts/init-top/ORDER ignored: not executable
/usr/share/initramfs-tools/scripts/local-block/ORDER ignored: not executable
/usr/share/initramfs-tools/scripts/local-top/ORDER ignored: not executable
/usr/share/initramfs-tools/scripts/local-premount/ORDER ignored: not executable
/usr/share/initramfs-tools/scripts/init-premount/ORDER ignored: not executable
/usr/share/initramfs-tools/scripts/init-bottom/ORDER ignored: not executable
/usr/share/initramfs-tools/scripts/local-bottom/ORDER ignored: not executable
Adding firmware /lib/firmware/i915/kbl_dmc_ver1_01.bin
Adding firmware /lib/firmware/i915/kbl_guc_ver9_14.bin
Adding firmware /lib/firmware/i915/kbl_huc_ver02_00_1810.bin
/usr/sbin/iucode_tool: system has processor(s) with signature 0x000806e9
/usr/sbin/iucode_tool: Writing selected microcodes to:
/var/tmp/mkinitramfs-EFW_LmLiZccZZr
/usr/share/initramfs-tools/scripts/panic/ORDER ignored: not executable
/usr/share/initramfs-tools/scripts/init-top/ORDER ignored: not executable
/usr/share/initramfs-tools/scripts/local-block/ORDER ignored: not executable
/usr/share/initramfs-tools/scripts/local-top/ORDER ignored: not executable
/usr/share/initramfs-tools/scripts/local-premount/ORDER ignored: not executable
/usr/share/initramfs-tools/scripts/init-premount/ORDER ignored: not executable
/usr/share/initramfs-tools/scripts/init-bottom/ORDER ignored: not executable
/usr/share/initramfs-tools/scripts/local-bottom/ORDER ignored: not executable
~$ uname -a
Linux 4.15.0-20-generic #21~lp1728238 SMP Mon May 7 16:50:25 UTC 2018 x86_64
x86_64 x86_64 GNU/Linux
~$ sudo cat /sys/kernel/debug/dri/0/i915_guc_load_status
GuC firmware: i915/kbl_guc_ver9_14.bin
status: fetch SUCCESS, load SUCCESS
version: wanted 9.14, found 9.14
header: offset 0, size 128
uCode: offset 128, size 142272
RSA: offset 142400, size 256
GuC status 0x800330ed:
Bootrom status = 0x76
uKernel status = 0x30
MIA Core status = 0x3
Scratch registers:
0: 0xf0000000
1: 0x0
2: 0x0
3: 0x5f5e100
4: 0x600
5: 0xcdfd3
6: 0x0
7: 0x8
8: 0x3
9: 0x70240
10: 0x0
11: 0x0
12: 0x0
13: 0x0
14: 0x0
15: 0x0
~$ sudo cat /sys/kernel/debug/dri/0/i915_huc_load_status
HuC firmware: i915/kbl_huc_ver02_00_1810.bin
status: fetch SUCCESS, load SUCCESS
version: wanted 2.0, found 2.0
header: offset 0, size 128
uCode: offset 128, size 218304
RSA: offset 218432, size 256
HuC status 0x00006080:
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https://bugs.launchpad.net/bugs/1728238
Title:
update-initramfs not adding i915 GuC firmware for Kaby Lake, firmware
fails to load
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