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Today I compile the linux kernel 4.0.0 in LinuxMint!When I update
grub and reboot into the system , I can only get into 4.0.0 kernel! The content of /etc/default/grub is following: GRUB_DEFAULT=0 GRUB_HIDDEN_TIMEOUT=0 GRUB_HIDDEN_TIMEOUT_QUIET=true GRUB_TIMEOUT=10 GRUB_DISTRIBUTOR=`lsb_release -i -s 2> /dev/null || echo Debian` GRUB_CMDLINE_LINUX_DEFAULT="quiet splash" GRUB_CMDLINE_LINUX="" Warning: Setting GRUB_TIMEOUT to a non-zero value when GRUB_HIDDEN_TIMEOUT is set is no longer supported.When I updated grub , the warning happened! I don't know why!l check the setting of Debian , I found /etc/default/grub is different from LinuxMint : GRUB_DEFAULT=0 GRUB_TIMEOUT=5 GRUB_DISTRIBUTOR=`lsb_release -i -s 2> /dev/null || echo Debian` GRUB_CMDLINE_LINUX_DEFAULT="quiet" GRUB_CMDLINE_LINUX=""So I delete the 2nd,3rd line of LinuxMint, and finally I get the boot menu! I google it ,but find little about this configuration change meaning! Why ? mudongliang |