Re: Grub2 can not detect usb disk

From: Rock Cui <rockcui@viatech.com.cn>
To: The development of GNU GRUB <grub-devel@gnu.org>
Subject: Re: Grub2 can not detect usb disk
Date: Wed, 27 Jul 2011 16:11:08 +0800	[thread overview]
Message-ID: <4E2FC81C.5060504@viatech.com.cn> (raw)
In-Reply-To: <4E28094E.90608@gmail.com>

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The usb keyboard can not work. I have added the usb_keyboard.mod into 
the image.
I think if no ehci support, the usb device will run with full-speed or 
low-speed, because of uhci/ohci support.

> On 12.07.2011 13:11, Cui Lei wrote:
>> Hi Vladimir, I have not received you reply for some days. I think you must be very busy, so I did some works on my own way.
>> I tested dozens of versions between r2249 and r3229. I found that most of them can boot my machine with "--with-platform=multiboot" option rather than "--with-platform=coreboot" option. The latest one I used is r3200, I think it should
>> support usb device nicely. I added usb.mod uhci.mod usbms.mod usbtest.mod into the image(payload.elf), but it can not detect
>> my usb disk stilly. But if I plug a usb stick into my board after booting into the grub shell( grub>  ), I get these message:
>>
>> /*********************************************************************************/
>> 	grub>  bus/usb/usbhub.c:208: total=250
>>
>> 	bus/usb/usbtrans.c:93: control: reqtype=0x80 req=0x06 val=0x100 idx=0x00
>>
>> 	size=8
>>
>> 	bus/usb/usbtrans.c:120: control: transfer = 0x7fe4cec0, dev = 0x7fe36ea0
>>
>> 	bus/usb/usbtrans.c:187: control: err=7
> It looks like GRUB has seen the device but no real data was transfered.
> Could you try with low-speed device? E.g. keyboard. I think you may need
> ehci driver (Ales( recently coded one)
>> /*******************************************************************************************************/
>>
>> I looked at the source code and found err7 is time out error, I don't
>> know how to fix it.
>> I need your help and anyone's advices. It is long time I have spended
>> on this project. So look forward to your replay.
>> Thank you in advance.
>>
>> BRs,
>>
>> Rock.
>>
>>
>>
>>> 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.
>>>
>>> BRs,
>>> Rock.
>>>
>>> At 2011-07-05 14:35:28,"Cui Lei"<neverforget_2002@163.com>  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.
>>>>>>>>
>>>>>>>>      _______________________________________________
>>>>>>>>      Grub-devel mailing list
>>>>>>>>      Grub-devel@gnu.org
>>>>>>>>      https://lists.gnu.org/mailman/listinfo/grub-devel
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>>>>>>>      Grub-devel mailing list
>>>>>>>      Grub-devel@gnu.org
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>>>>>>>
>>>>>>      _______________________________________________
>>>>>>      Grub-devel mailing list
>>>>>>      Grub-devel@gnu.org
>>>>>>      https://lists.gnu.org/mailman/listinfo/grub-devel
>>>>>
>>>>>      _______________________________________________
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>>>>>      Grub-devel@gnu.org
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>>>
>>>
>>
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>
>
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