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Re: Failed to boot Linux from USB stick

From: Andrey Borzenkov
Subject: Re: Failed to boot Linux from USB stick
Date: Thu, 13 Mar 2014 17:36:23 +0400

В Thu, 13 Mar 2014 13:43:11 +0100
Alexey Orishko <address@hidden> пишет:

> Hi guys,
> I can't boot Linux on Intel Atom 32-bit from USB stick on one
> motherboard, but I can do it on another on the same type with
> different BIOS version. I've read BIOS release notes and found
> nothing relevant to the problem neither seen anything significantly
> different in BIOS menu.
> GRUB version 2.0
> grub.cfg:
> set default=0
> set timeout=3
> insmod ext2
> set root=(hd0,1)
> menuentry "Default" {
>     linux /boot/vmlinuz-3.10.28
>                 root=UUID=d768c1f0-79c9-45c4-b604-8d0735a71242
>                 rootfstype=ext4 ro rootdelay=6
>     initrd /boot/initrd.img-3.10.28
> }
> On the failed system grub is capable to show boot menu, but while
> selecting it, it fails with message:
> error: failure reading sector 0x57f650 from 'hd0'.
> if I drop to grub command prompt from boot menu (without initially
> selecting entry), and do some commands:
> grub> ls
> (hd0) (hd0,msdos1)
> grub> insmod ext2
> grub> ls (hd0,1)/boot
> error: failure reading sector 0x802 from 'hd0'
> grub> ls
>                      # now ls output is empty line
> grub> date
> error: no such partition.
> grub>
> - If I connect the same USB stick to the motherboard with old BIOS,
>   it boots ok.
> - I can boot from SATA HDD with exactly the same root fs as USB stick
>   (I've copied root partition with cpio and updated UUID value in grub
>   and fstab).
> - I can boot from USB stick only if it has FAT32, for example MSDOS
>   boot disk or Ubuntu install disk made by Universal-USB-Installer.exe.
> I wonder, what else do I need to check in order to get to the bottom
> of this problem? Any help would be appreciated.

Could you try current GIT master? I remember there were some USB
related patches.

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