vt.handoff=7 parameter prevents ubuntu 14.04.2 from booting on Thinkpad T61

[Frédéric V.]

vt.handoff=7 parameter passed sometimes (didn't really dig into this mechanism) by GRUB to the kernel while booting prevents completely a thinkpad T61 with intel video card from booting with kernel 3.13.0-51-generic (same with 3.13.0-44-generic)

A solution is to edit instruction block starting at line 222 in /etc/grub.d/10_linux

and replace it by this:

cat << 'EOF'
function gfxmode {
 set gfxpayload="${1}"
EOF
if [ "$vt_handoff" = 1 ]; then
  cat << 'EOF'
 if [ "${1}" = "keep" ]; then
  set vt_handoff=
 else
  set vt_handoff=
 fi
EOF
fi
cat << EOF
}
EOF

Then issue a sudo update-grub command.

This resolved completely the issue for me. With vt.handoff=7, screen is black and system hangs.

[Frédéric V. (vfrederix)]

Intel 64 bits version of ubuntu mate 14.04.2

[Martin Wimpress  (flexiondotorg)]

Can you test this on Ubuntu MATE 15.10 please?

[Launchpad Janitor (janitor)]

[Expired for ubuntu-mate because there has been no activity for 60 days.]