[Bug 97088] [APL] GuC firmware goes missing

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=97088

--- Comment #3 from david.s.gordon at intel.com ---
A similar but different occurence

Command         /opt/igt/tests/drv_module_reload_basic

Stdout  

Reloading i915.ko with
unbinding /sys/class/vtconsole/vtcon1/: (M) frame buffer device
module successfully unloaded
module successfully loaded again
Reloading i915.ko with inject_load_failure=1
unbinding /sys/class/vtconsole/vtcon1/: (M) frame buffer device
module successfully unloaded
Reloading i915.ko with inject_load_failure=2
module successfully unloaded
Reloading i915.ko with inject_load_failure=3
module successfully unloaded
Reloading i915.ko with inject_load_failure=4
module successfully unloaded
Reloading i915.ko with
module successfully unloaded
module successfully loaded again

dmesg   

[  164.447845] Setting dangerous option enable_psr - tainting kernel
[  164.482186] i915 0000:00:02.0: Failed to load DMC firmware
[https://01.org/linuxgraphics/intel-linux-graphics-firmwares], disabling
runtime power management.
[  165.476834] i915 0000:00:02.0: Direct firmware load for
i915/skl_guc_ver6_1.bin failed with error -2
[  165.476911] [drm:intel_guc_init [i915]] *ERROR* Failed to fetch GuC firmware
from i915/skl_guc_ver6_1.bin (error -2)
[  174.256375] Setting dangerous option enable_psr - tainting kernel
[  174.256378] Setting dangerous option inject_load_failure - tainting kernel
[  174.584082] Setting dangerous option enable_psr - tainting kernel
[  174.584085] Setting dangerous option inject_load_failure - tainting kernel
[  174.948056] Setting dangerous option enable_psr - tainting kernel
[  174.948058] Setting dangerous option inject_load_failure - tainting kernel
[  175.286457] Setting dangerous option enable_psr - tainting kernel
[  175.286460] Setting dangerous option inject_load_failure - tainting kernel
[  175.638344] Setting dangerous option enable_psr - tainting kernel
[  175.667779] i915 0000:00:02.0: Failed to load DMC firmware
[https://01.org/linuxgraphics/intel-linux-graphics-firmwares], disabling
runtime power management.
[  176.652812] i915 0000:00:02.0: Direct firmware load for
i915/skl_guc_ver6_1.bin failed with error -2
[  176.652889] [drm:intel_guc_init [i915]] *ERROR* Failed to fetch GuC firmware
from i915/skl_guc_ver6_1.bin (error -2)


Here both the GuC firmware AND the DMC firmware seem to have gone missing.
Unless machine (ro-skl3-i5-6260u) just doesn't have them installed?

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