the output of
sudo cat /sys/kernel/debug/dri/0/i915_guc_load_statu is:
GuC firmware status: path: (null) fetch: NONE load: NONE version wanted: 6.1 version found: 0.0 header: offset is 0; size = 0 uCode: offset is 0; size = 0 RSA: offset is 0; size = 0 GuC status 0x00000001: Bootrom status = 0x0 uKernel status = 0x0 MIA Core status = 0x0 Scratch registers: 0: 0x0 1: 0x0 2: 0x0 3: 0x0 4: 0x0 5: 0x0 6: 0x0 7: 0x0 8: 0x0 9: 0x0 10: 0x0 11: 0x0 12: 0x0 13: 0x0 14: 0x0 15: 0x0 and the output of:
sudo cat /sys/kernel/debug/dri/0/i915_guc_info is
GuC total action count: 0 GuC action failure count: 0 GuC last action command: 0x0 GuC last action status: 0x0 GuC last action error code: 0 GuC submissions: render ring : 0, last seqno 0x00000000 blitter ring : 0, last seqno 0x00000000 bsd ring : 0, last seqno 0x00000000 video enhancement ring : 0, last seqno 0x00000000 Total: 0 GuC execbuf client @ (null): Priority 0, GuC ctx index: 0, PD offset 0x0 Doorbell id 0, offset: 0x0, cookie 0x0 WQ size 0, offset: 0x0, tail 0 Failed to queue: 0 Failed doorbell: 0 Last submission result: 0 Submissions: 0 render ring Submissions: 0 blitter ring Submissions: 0 bsd ring Submissions: 0 video enhancement ring Total: 0o cat /sys/kernel/debug/dri/0/i915_guc_info is: 1 Answer
This is what loaded firmware looks like on my side after adding i915.enable_guc_loading=2 i915.enable_guc_submission=2 in grub:
" GuC firmware status: path: i915/skl_guc_ver6_1.bin fetch: SUCCESS load: SUCCESS version wanted: 6.1 version found: 6.1 header: offset is 0; size = 128 uCode: offset is 128; size = 128640 RSA: offset is 128768; size = 256 GuC status 0x800300ec: Bootrom status = 0x76 uKernel status = 0x0 MIA Core status = 0x3 Scratch registers: 0: 0xf0000000 1: 0x0 2: 0x0 3: 0x5f5e100 4: 0x600 5: 0x0 6: 0x0 7: 0x8 8: 0x3 9: 0x433200 10: 0x0 11: 0x0 12: 0x0 13: 0x0 14: 0x0 15: 0x0" DMESG (dmesg | grep guc):
"[0.000000] Command line: BOOT_IMAGE=/@/boot/vmlinuz-4.8.0-41-generic root=UUID=d29f4f91-4a71-40f9-a086-3f2c3d401f58 ro rootflags=subvol=@ verbose i915.enable_guc_loading=2 i915.enable_guc_submission=2 intel_iommu=on [ 0.000000] Kernel command line: BOOT_IMAGE=/@/boot/vmlinuz-4.8.0-41-generic root=UUID=d29f4f91-4a71-40f9-a086-3f2c3d401f58 ro rootflags=subvol=@ verbose i915.enable_guc_loading=2 i915.enable_guc_submission=2 intel_iommu=on [ 5.907468] Setting dangerous option enable_guc_loading - tainting kernel [ 5.940511] Setting dangerous option enable_guc_submission - tainting kernel"
More info and source for the fix:
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