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<b><a class="bz_bug_link
bz_status_NEEDINFO "
title="NEEDINFO - [APL] GuC firmware goes missing"
href="https://bugs.freedesktop.org/show_bug.cgi?id=97088#c3">Comment # 3</a>
on <a class="bz_bug_link
bz_status_NEEDINFO "
title="NEEDINFO - [APL] GuC firmware goes missing"
href="https://bugs.freedesktop.org/show_bug.cgi?id=97088">bug 97088</a>
from <span class="vcard"><a class="email" href="mailto:david.s.gordon@intel.com" title="david.s.gordon@intel.com">david.s.gordon@intel.com</a>
</span></b>
<pre>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
[<a href="https://01.org/linuxgraphics/intel-linux-graphics-firmwares">https://01.org/linuxgraphics/intel-linux-graphics-firmwares</a>], 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
[<a href="https://01.org/linuxgraphics/intel-linux-graphics-firmwares">https://01.org/linuxgraphics/intel-linux-graphics-firmwares</a>], 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?</pre>
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