panic not usually neccessary, but when it happens, give more chance to
react on it
GRUB_TIMEOUT=15
+#GRUB_HIDDEN_TIMEOUT=15
+
# Unless `GRUB_DISABLE_RECOVERY' is set to `true', two menu entries
# will be generated for each Linux kernel: one default entry and one
# entry for recovery mode. This option lists command-line arguments
# to add only to the default menu entry, after those listed in
# `GRUB_CMDLINE_LINUX'.
# To disable IPv6 in kernel, append: ipv6.disable=1
-GRUB_CMDLINE_LINUX_DEFAULT="panic=120 quiet"
+GRUB_CMDLINE_LINUX_DEFAULT="panic=300 quiet"
# Command-line arguments to add to menu entries for the Linux kernel.
GRUB_CMDLINE_LINUX=""