On 12/06/15 10:01 AM, Robert S wrote:
Hi.
I have had a functioning system on wheeze using grub2. I did an
upgrade to Jessie according to the debian docs.
Now when I boot my system I simply get a black screen after the POST
screen - there's no GRUB screen or any hint of it.
I've managed to boot my system with a live USB stick and have entered
my system in a chroot.
In the chroot I tried downgrading to grub-legacy and got the same
result. I purged all of the config files from GRUB2 then reinstalled
GRUB2 from scratch.
I have repeatedly run update-grub/update-grub2, and grub-install /dev/sda
Here is as much info as I can give:
Hardware: Gigabyte Brix GB-BXBT-1900 with Samsung SSD 850 EVO 4G RAM.
Debian - x86
debian:~# dpkg -l |grep grub
ii grub-common 2.02~beta2-22
i386 GRand Unified Bootloader (common files)
rc grub-legacy 0.97-70
i386 GRand Unified Bootloader (Legacy version)
ii grub-pc 2.02~beta2-22
i386 GRand Unified Bootloader, version 2 (PC/BIOS version)
ii grub-pc-bin 2.02~beta2-22
i386 GRand Unified Bootloader, version 2 (PC/BIOS binaries)
ii grub2 2.02~beta2-22
i386 GRand Unified Bootloader, version 2 (dummy package)
ii grub2-common 2.02~beta2-22
i386 GRand Unified Bootloader (common files for version 2)
debian:~# update-grub2
Generating grub configuration file ...
Found linux image: /boot/vmlinuz-3.16.0-4-686-pae
Found initrd image: /boot/initrd.img-3.16.0-4-686-pae
Found linux image: /boot/vmlinuz-3.2.0-4-686-pae
Found initrd image: /boot/initrd.img-3.2.0-4-686-pae
done
debian:~# grub-install /dev/sda
Installing for i386-pc platform.
Installation finished. No error reported.
My grub.cfg: https://www.dropbox.com/s/5xz5mrbagwcgpp5/grub.cfg?dl=0
debian:~# gdisk /dev/sda -l
GPT fdisk (gdisk) version 0.8.10
Partition table scan:
MBR: protective
BSD: not present
APM: not present
GPT: present
Found valid GPT with protective MBR; using GPT.
Disk /dev/sda: 234441648 sectors, 111.8 GiB
Logical sector size: 512 bytes
Disk identifier (GUID): F387E81C-204F-43B0-ACA8-C169094F79B5
Partition table holds up to 128 entries
First usable sector is 34, last usable sector is 234441614
Partitions will be aligned on 2048-sector boundaries
Total free space is 126167917 sectors (60.2 GiB)
Number Start (sector) End (sector) Size Code Name
1 2048 206847 100.0 MiB EF02 BIOS boot partition
2 206848 41166847 19.5 GiB 8300 root
3 41166848 45361151 2.0 GiB 8300 Linux swap
4 45361152 87304191 20.0 GiB 8300 var
5 87304192 108275711 10.0 GiB 8300 home
I would be very grateful if someone could help here.
I had a similar problem with a laptop. I resolved it (finally) with a
BIOS upgrade.
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