On April 28, 2017 9:51:07 PM GMT+02:00, Alan Mackenzie <a...@muc.de> wrote: >Hello, Mick and the whole World. > >On Tue, Apr 25, 2017 at 00:00:07 +0100, Mick wrote: > >> Have a look here in case it helps: > >> https://wiki.archlinux.org/index.php/GRUB#RAID > >In the end, I went with grub2, and it has taken a lot of effort to get >not very far. Grub's documentation is suboptimal. > >The state I've managed to get to is that grub appears to have loaded my >kernel (it no longer gives an error message about it not being loaded), >but then hangs without the kernel outputting even a single message. At >this point, only the reset-button will do anything - Ctrl-Alt-Del does >nothing. > >Just for reference's sake, my boot setup is EFI on GPT. I have two >NVMe >SSDs, which will be working together in several mdadm RAID pairs. grub >can read my SSDs, reporting correctly their partitioning and being able >to cat the grub configuration file. > >So, why, after apparently loading the kernel, does grub fail to start >it? >Any ideas, anybody? > >Here are the relevant bits of my grub.cfg: > >######################################################################### > ># Example configuration for GRUB ># Much of this example configuration was taken from the GRUB manual. > ># Menu timeout >timeout=5 > ># Default menu entry >default=0 > ># If we have a font available, start graphical output. >if loadfont unifont; then > echo "Loading unifont" > # Output resolution for GRUB (eg. 1024x768 or 'auto'). > gfxmode=auto > > # Output resolution for Linux (VESAFB only). > # 'keep' means use the same resolution as GRUB. > # For other framebuffer drivers, pass a resolution using the video= >kernel param. > gfxpayload=keep > > # Load all video drivers. > insmod all_video > > # Switch to graphical output. > terminal_output gfxterm >fi > ># Load modules necessary to find any boot files (/boot). > ># Partition table(s). >#insmod part_msdos >insmod part_gpt > ># Necessary for the root partition >insmod mdraid1x >insmod mdraid09 > ># Necessary for kernel messages to show >insmod efi_gop >insmod efi_uga >insmod font >if loadfont ${prefix}/fonts/unicode.pf2 >then > insmod gfxterm > set gfxmode=auto > set gfxpayload=keep > terminal_output gfxterm >fi > >menuentry "Gentoo Linux 4.9.16-1" { > # Filesystem for /boot > #insmod btrfs > insmod fat > insmod exfat > insmod ext2 > #insmod xfs > #insmod zfs > > # Search all block devices for a matching UUID (for /boot) > #search --set=root --fs-uuid 33d4013a-ec25-4462-a540-8078aeb8ed17 > #search --set=root (md/127) > #root=(md/127) > set root=(hd1,gpt2) # i.e. /boot > echo "Just set root" > > # Load a linux kernel, passing the root filesystem and init process as >parameters > echo "Loading kernel..." > echo "grub_platform = " $grub_platform > gfxpayload=text # For debugging. > linux /vmlinuz-4.9.16-gentoo root=/dev/md127 #rootfstype=btrfs >init=/usr/lib/systemd/systemd > echo "just loaded kernel" > boot > > #echo "Loading initramfs..." > #initrd /initramfs-4.7.2.img >} > >######################################################################### > >> -- >> Regards, >> Mick
Have you tried connecting using ssh after boot? Also, do you have the EFI console support in your kernel? Not near my desktop to check which ones exactly. -- Joost -- Sent from my Android device with K-9 Mail. Please excuse my brevity.
