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Re: [PATCH] biosdisk / open_device() messing up offsets


From: Bean
Subject: Re: [PATCH] biosdisk / open_device() messing up offsets
Date: Mon, 9 Jun 2008 02:57:13 +0800

On Mon, Jun 9, 2008 at 2:42 AM, Pavel Roskin <address@hidden> wrote:
> On Sun, 2008-06-08 at 19:49 +0800, Bean wrote:
>
>> Can you use grub-fstest ?
>>
>> Also, the header is from
>>
>> +  grub_printf ("header: %d %d %d\n", log->first_block,
>> log->last_block, log->start_block);
>>
>> I don't know why the number doesn't show, unless log is invalid
>> pointer. Perhaps the size is invalid, try to add a debug line to show
>> the allocated size of log:
>>
>>   log = grub_malloc (sizeof (struct grub_fshelp_journal) +
>>                      grub_be_to_cpu32 (jsb->maxlen) * sizeof
>> (grub_disk_addr_t));
>
> The debug output must be getting split somewhere.  If I replace colons
> and spaces with underscores, I get some numbers.  Anyway, the
> installation with the patch is unnecessary.
>
> I made a short partition and installed grub on it, but there are no
> problems with it in qemu.
>
> But I can reproduce the problem with grub-fstest on the root partition.
>
> address@hidden grub2]# grub-fstest /dev/sda1 ls /
> lost+found/ bin/ boot/ data/ dev/ etc/ home/ lib/ lib64/ media/ mnt/
> opt/ proc/ root/ sbin/ scratchbox/ selinux/ srv/ sys/ tftpboot/ tmp/
> usr/ var/ debug/ tftpboot;4834754b
> address@hidden grub2]# grub-fstest /dev/sda1 ls /boot
>
> address@hidden grub2]# ls /
> bin   debug  home   lost+found  opt   sbin        srv
> tftpboot;4834754b  var
> boot  dev    lib    media       proc  scratchbox  sys       tmp
> data  etc    lib64  mnt         root  selinux     tftpboot  usr
> address@hidden grub2]# ls /boot
> System.map                    grub                      vmlinuz
> System.map-2.6.26-rc4-wl      initrd-2.6.26-rc4-wl.img
> vmlinuz-2.6.26-rc4-wl
> System.map-2.6.26-rc4-wl.old  memtest86+-2.01
> vmlinuz-2.6.26-rc4-wl.old
> address@hidden grub2]#
>
> As you can see, "grub-fstest /dev/sda1 ls /boot" fails to find any
> files.  Then I patched grub with your patch.  The output of the same
> command is attached (compressed).

Hi,

Thanks, can you also give me the output of dumpe2fs ?

dumpe2fs /dev/sda1

-- 
Bean




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