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Re: Grub2 usb stick boot error

From: Fulvio Scapin
Subject: Re: Grub2 usb stick boot error
Date: Tue, 24 Jun 2008 22:37:50 +0200

2008/6/24 Bean <address@hidden>:


First, you can check the size of partition, for example, does the ones
that doesn't boot cross any boundary, like 4G/2G ?

Also, you mention it apply to qemu as well, how do you test it, can
you produce a qemu image that illustrate the problem ?

Output of parted on the GPT labeled stick:

Model: USB Flash Disk (scsi)
Disco /dev/sdc: 8120MB
Dimensione del settore (logica/fisica): 512B/512B
Tabella delle partizioni: gpt

Numero  Inizio  Fine    Dimensione  File System  Nome               Flag    
 1      17,4kB  6000kB  5983kB                                      bios_grub
 3      6000kB  32,0MB  26,0MB      ext2         grub               avvio   
 2      32,0MB  433MB   401MB       fat16        clonezilla-sysrsc  msftres 
 4      433MB   532MB   99,0MB      fat16        puppylinux         msftres 
 5      532MB   650MB   118MB                                       msftres 
 6      650MB   800MB   150MB       fat16                           msftres 

Partitions 4 and 6 contain  the same data, a syslinux-booted puppylinux.
4 chainloads correctly, 6 gives me "Boot error".
Interestingly, using Grub Legacy, chainloaded from Grub2, I can't boot the 4th partition either.

About qemu, I simply use the device as a raw disk with qemu and boot it.

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