Re: Grub2 can not detect usb disk

[Vladimir 'φ-coder/phcoder' Serbinenko]

On 06.07.2011 16:03, 崔磊 wrote:
> I have read the source code about the mmap of grub and of corebootV4,
> I found that the size of their table header struct are not same, and I
> think ,in the file "mmap.c" of grub2,on the 53rd line, the offset of
> the first table item may be error.
In my copy 53rd line is completely empty. Could you detail the error?
>
> BRs,
> Rock.
>
> At 2011-07-05 14:35:28，"Cui Lei" <address@hidden> wrote:
>
>     I think the "skip=2146422784" is too big.
>>       I received you reply this monday, then my office PC had a
>>     problem ,can not power on, so I write you late.
>>     I have tried to run "dd", but got "Reading a error address".
>>>     On 01.07.2011 08:57, Rock Cui wrote:
>>>>     Sorry，I am careless, my log file is not empty, please refer to the
>>>>     attachment.
>>>>
>>>     I would also need another memory location for full diagnostics:
>>>     sudo dd if=/dev/mem of=tables bs=1 count=65536 skip=2146422784
>>>     Looking at the code, the only way it can hang AFAICT should be fixed by
>>>     attached patch (mostly guessing)
>>>>>     1. I have tried the "--with-platform=multiboot" option, but when
>>>>>     booting it show me:
>>>>>     /*********************/
>>>>>     Welcome to GRUB!
>>>>>     out of memory
>>>>>     Aborted.
>>>>>     /*********************/
>>>>>     2. The /dev/mem you need , how can I get it? I want it should be from
>>>>>     the "/" , then I must enter the ubuntu.
>>>>>     So I use the grub1.98 as coreboot payload and boot my ubuntu11.04.
>>>>>     But when I copy the /dev/mem to a log file with "sudo",
>>>>>     I was told “You can not do it!” : (
>>>>>
>>>>>
>>>>>>     On 30.06.2011 04:38, Cui Lei wrote:
>>>>>>>     I have found the the last version which can boot my machine, it is
>>>>>>>     the r2348. The r2349 can not boot it.
>>>>>>>     So I checked out the changelog from 2348 to 2349 :
>>>>>>>
>>>>>>     Ironically I did it because i386-coreboot didn't work in my tests.
>>>>>>     Could
>>>>>>     you send me the first 128K of /dev/mem ? Meanwhile you can try
>>>>>>     i386-multiboot port.
>>>>>>
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>>>>>
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>>>
>>>
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>>
>
>
>
>
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-- 
Regards
Vladimir 'φ-coder/phcoder' Serbinenko

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