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Re: Kernel fail to find rootfs with 2.02-rc[12]
From: |
Andrei Borzenkov |
Subject: |
Re: Kernel fail to find rootfs with 2.02-rc[12] |
Date: |
Thu, 13 Apr 2017 20:09:26 +0300 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.8.0 |
13.04.2017 18:08, DUPONCHEEL Sébastien пишет:
> Hi,
>
> It look like there is a grub regression when using grub2-2.02-rc[12] with a
> bios in MBR mode and GPT partitioning:
>
> Grub does not give the boot parameters to the kernel that did not find the
> root partition although that the partition with the good PARTUUID is listed
> before the panic
> and that everything works when the bios is switched to the EFI mode (i
> haven't this issue with the 2.02-beta2 version).
>
There are simply too many changes between beta2 and rc2 and none strikes
as particular relevant. rc2 is used by at least openSUSE Tumbleweed and
so far I am not aware of problems on PC BIOS systems.
If you can reliably reproduce the problem I suggest you try to bisect it.
> You can get more details here:
> https://github.com/lede-project/source/pull/1026
>
> Tests where made using LEDE and Virtualbox.
>
> Partitioning :
>
> sda1: ext4 (4 MB)
>
> - /boot/vmlinuz
> - /boot/grub/50092577.cfg
> - /boot/grub/grub.cfg
>
> serial --unit=0 --speed=115200 --word=8 --parity=no --stop=1 --rtscts=off
> terminal_input console serial; terminal_output console serial
>
> set default="0"
> set timeout="5"
>
> search --file /boot/grub/50092577.cfg --set=root
>
> menuentry "LEDE" {
> linux /boot/vmlinuz root=PARTUUID=09BBA8CF-313E-420B-B5A8-E6B13DE60002
> rootfstype=squashfs rootwait console=tty0 console=ttyS0,115200n8 noinitrd
> }
>
> menuentry "LEDE (failsafe)" {
> linux /boot/vmlinuz failsafe=true
> root=PARTUUID=09BBA8CF-313E-420B-B5A8-E6B13DE60002 rootfstype=squashfs
> rootwait console=tty0 console=ttyS0,115200n8 noinitrd
> }
>
> sda2: EF00 vfat (1 MB)
>
> - /efi/boot/bootx64.efi (grub)
> - /efi/boot/grub.cfg
>
> search --file /boot/grub/50092577.cfg --set=root
> configfile /boot/grub/grub.cfg
>
> sda3: EF02 raw (1MB)
>
> - grub modules
>
> sda4: ext4/squashfs
>
> - the rootfs with the GPT PARTUUID : 09BBA8CF-313E-420B-B5A8-E6B13DE60002
>
> Best regards,
> DUPONCHEEL Sebastien
>
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