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I had an error last year (https://bbs.archlinux.org/viewtopic.php?id=244185) due to using enable_guc=2 with enable_gvt=1 but per the wiki it is not possible to use the two together so enable_guc must be disabled (https://wiki.archlinux.org/index.php/In … re_loading).
However, now I'm interested in using Qemu so want GVT-g. I am now using the following:
$ cat /etc/modprobe.d/i915.conf
options i915 enable_gvt=1 fastboot=1 enable_guc=0
But dmesg repports an error/failure:
[ 1.178270] i915 0000:00:02.0: [drm] VT-d active for gfx access
[ 1.178392] i915 0000:00:02.0: vgaarb: deactivate vga console
[ 1.178832] i915 0000:00:02.0: Direct firmware load for i915/gvt/vid_0x8086_did_0x1916_rid_0x07.golden_hw_state failed with error -2
[ 1.201394] i915 0000:00:02.0: vgaarb: changed VGA decodes: olddecodes=io+mem,decodes=io+mem:owns=io+mem
[ 1.201920] i915 0000:00:02.0: [drm] Finished loading DMC firmware i915/skl_dmc_ver1_27.bin (v1.27)
[ 1.201942] i915 0000:00:02.0: [drm] Disabling framebuffer compression (FBC) to prevent screen flicker with VT-d enabled
[ 1.216233] i915 0000:00:02.0: [drm] Panel advertises DPCD backlight support, but VBT disagrees. If your backlight controls don't work try booting with i915.enable_dpcd_backlight=1. If your machine needs this, please file a _new_ bug report on drm/i915, see https://gitlab.freedesktop.org/drm/intel/-/wikis/How-to-file-i915-bugs for details.
[ 1.232693] [drm] Initialized i915 1.6.0 20200715 for 0000:00:02.0 on minor 0
[ 1.358539] fbcon: i915drmfb (fb0) is primary device
[ 1.394180] i915 0000:00:02.0: [drm] fb0: i915drmfb frame buffer device
[ 1.437006] i915 0000:00:02.0: MDEV: Registered
[ 61.141493] snd_hda_intel 0000:00:1f.3: bound 0000:00:02.0 (ops i915_audio_component_bind_ops [i915])
"golden hw state" error related issue:
https://github.com/intel/gvt-linux/issues/77
https://lists.freedesktop.org/archives/ … 00685.html
Is the i915 error ignorable?
Last edited by miomio (2020-10-19 15:17:50)
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Is the i915 error ignorable?
This message?
[ 1.201920] i915 0000:00:02.0: [drm] Finished loading DMC firmware i915/skl_dmc_ver1_27.bin (v1.27)
Why isn't ucode loading?
bsdtar -Oxf /boot/intel-ucode.img | iucode_tool -tb -l -s 0x406e3 -
microcode bundle 1: (stdin)
selected microcodes:
001/159: sig 0x000406e3, pf_mask 0xc0, 2019-10-03, rev 0x00d6, size 101376
Because the latest version available is already loaded?
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So 'golden_hw_state' error is a false +ve?
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So 'golden_hw_state' error is a false +ve?
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