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factory: do not mount /lib/{modules,firmware} if there is a drivers tree #238

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merged 4 commits into from
Jun 13, 2024
Merged

factory: do not mount /lib/{modules,firmware} if there is a drivers tree #238

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96794bd
factory: do not mount /lib/{modules,firmware} if there is a drivers tree
alfonsosanchezbeato May 30, 2024
19f83e4
tests: enable serial output when repacking gadget
alfonsosanchezbeato Jun 12, 2024
7273f21
tests/build: use channel 24 for the kernel now
alfonsosanchezbeato Jun 12, 2024
c621725
.github: fix typo
alfonsosanchezbeato Jun 12, 2024
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15 changes: 14 additions & 1 deletion factory/usr/lib/core/extra-paths
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Original file line number Diff line number Diff line change
Expand Up @@ -2,8 +2,21 @@

set -eu

cat <<EOF >>/sysroot/etc/fstab
cat <<'EOF' >>/sysroot/etc/fstab
/run/mnt/data /writable none bind,x-initrd.mount 0 0
EOF

# Find out kernel name / revision
kernelPath=$(cat /sys/dev/block/"$(mountpoint --fs-devno /run/mnt/kernel)"/loop/backing_file)
kernelFile=$(basename "$kernelPath")
kernelName=${kernelFile%%_*}
rev=${kernelFile#*_}
rev=${rev%%.*}

# Mount /lib/{firmware,modules} only if there is no drivers tree created by snapd
if [ ! -d /run/mnt/data/system-data/var/lib/snapd/kernel/"$kernelName"/"$rev" ]; then
cat <<'EOF' >>/sysroot/etc/fstab
/run/mnt/kernel/firmware /usr/lib/firmware none bind,x-initrd.mount 0 0
/run/mnt/kernel/modules /usr/lib/modules none bind,x-initrd.mount 0 0
EOF
fi
12 changes: 12 additions & 0 deletions factory/usr/lib/systemd/system-generators/kernel-snap-generator
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Original file line number Diff line number Diff line change
Expand Up @@ -35,6 +35,18 @@ if ! grep -q "^ID=ubuntu$" "${OS_RELEASE}"; then
exit 0
fi

# Find out kernel name / revision
kernelPath=$(cat /sys/dev/block/"$(mountpoint --fs-devno "$KERNEL_MNT_POINT")"/loop/backing_file)
kernelFile=$(basename "$kernelPath")
kernelName=${kernelFile%%_*}
rev=${kernelFile#*_}
rev=${rev%%.*}

# Mount /lib/{firmware,modules} only if there is no drivers tree created by snapd
if [ -d /run/mnt/data/var/lib/snapd/kernel/"$kernelName"/"$rev" ]; then
exit 0
fi

for entry in firmware modules; do
what="${KERNEL_MNT_POINT}/${entry}"
where="${sysroot}/usr/lib/${entry}"
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