/usr/share/tcos/hooks-addons/96modules is in initramfs-tools-tcos 0.89.93ubuntu2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 | # hook addon for blacklist or add kernel modules options on startup
stat_before
cat << EOF > ${DESTDIR}/scripts/init-top/tcos_modules
#!/bin/sh
#
# new header not using prereqs
if [ "\$1" = "prereqs" ]; then
echo ""
exit 0
fi
quiet=n
FORCE_MODULES=""
BLACKLIST_MODULES=""
for x in \$(cat /proc/cmdline); do
case \$x in
force_modules=*)
FORCE_MODULES="\$(echo \${x#force_modules=}|tr "," " ")"
;;
blacklist_modules=*)
BLACKLIST_MODULES="\$(echo \${x#blacklist_modules=}|tr "," " ")"
;;
esac
done
if [ "\$FORCE_MODULES" != "" ] ; then
for x in \$FORCE_MODULES ; do
modprobe -Q \$x 2>/dev/null || true
done
fi
if [ "\$BLACKLIST_MODULES" != "" ] ; then
for x in \$BLACKLIST_MODULES ; do
echo "blacklist \$x" >> /etc/modprobe.d/blacklist-tcos.conf 2>/dev/null || true
done
fi
# Fix corruption MAC address in Realtek PCI Express RTL810xE with kernel module r8169.ko
if [ "\$(pcimodules | grep -c r8101)" != "0" ]; then
if [ "\$(modprobe -l | grep -c r8101)" != "0" ]; then
modprobe -Q r8101 2>/dev/null || true
if [ "\$(dmesg | grep -c -i rtl*810.e)" != "0" ]; then
echo "blacklist r8169" >> /etc/modprobe.d/blacklist-tcos.conf 2>/dev/null || true
else
modprobe -Q -r -f r8101 2>/dev/null || true
fi
else
echo -n -e "WARNING!!! Your computer has an Ethernet Realtek 810xE PCI Express does not work correctly with kernel module r8169. Please regenerate TCOS images, adding the extra kernel module r8101 and blacklisting r8169 kernel modules."
fi
fi
EOF
chmod +x ${DESTDIR}/scripts/init-top/tcos_modules
# add options to snd-hda-intel
if ! grep -q snd-hda-intel ${DESTDIR}/etc/modprobe.d/alsa-base* ; then
[ -e ${DESTDIR}/etc/modprobe.d/alsa-base ] && \
mv ${DESTDIR}/etc/modprobe.d/alsa-base ${DESTDIR}/etc/modprobe.d/alsa-base.conf
echo "options snd-hda-intel model=auto" >> ${DESTDIR}/etc/modprobe.d/alsa-base.conf
fi
stat_after "Tcos Kernel modules support"
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