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Re: GRUB2 fails when booting from CD
From: |
Vladimir 'φ-coder/phcoder' Serbinenko |
Subject: |
Re: GRUB2 fails when booting from CD |
Date: |
Tue, 04 Jan 2011 15:45:39 +0100 |
User-agent: |
Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.1.16) Gecko/20101226 Icedove/3.0.11 |
On 12/27/2010 01:30 PM, Andreas Born wrote:
> Ok, here you go. I created the same iso image I referred to earlier in
> this thread with grub 1.98 and cdfailinf/cdfailwa patch applied.
>
> cdfailinf (broken machine): 0 0 0
> cdfailinf (working machine): 0 0 9f
>
Jusging from this output a smaller workaround is enough for your
machine. However I committed cdfailwa as it will probably workaround
some more BIOSes with similar problem.
Thanks for reporting and testing.
> cdfailwa brings up the menu on the broken machine and on another
> working machine, where I tested it too.
>
> Hope that helps.
>
> Regards,
> Andreas
>
>
> Am 25.12.2010 21:45, schrieb Vladimir 'φ-coder/phcoder' Serbinenko:
>> On 09/08/2010 06:31 PM, Andreas Born wrote:
>>
>>> Am 08.09.2010 17:46, schrieb Colin Watson:
>>>
>>>> On Wed, Sep 08, 2010 at 05:28:07PM +0200, Andreas Born wrote:
>>>>
>>>>
>>>>> - Starting Grub2 fails on my pretty new desktop (the only such
>>>>> report
>>>>> as far as I'm concerned)
>>>>>
>>>>>
>>>> Fails how?
>>>>
>>>>
>>> After selecting to boot from cdrom in the bios it outputs the
>>> following:
>>> Welcome to GRUB!
>>>
>>> error: hd111 cannot get C/H/S values.
>>> Enetering rescue mode...
>>> grub rescue>
>>>
>>> Then I'm at the rescue prompt.
>>>
>>>
>> Looks like your BIOS has problems with cd drive. I attach 2 patches. One
>> to try to gather more info for better workaround and another one to
>> basically ignore cdinfo altogether. Could you test them?
>>
>>> The problem is reproducible with SalixLive or a minimal image I've
>>> created for testing purpose, but so far only on that one machine of
>>> mine. You can acquire the latter here:
>>> http://gaia.homelinux.org/misc/grub-test.iso (4.3M)
>>>
>>> I've experimented a bit with ls on the rescue prompt here's the output:
>>>
>>>> ls
>>>>
>>> (hd0)
>>>
>>>> ls (hd0)
>>>>
>>> error: unknown filesystem
>>>
>>> If you need anything else, just let me know and I'll try to do my best
>>> to help you.
>>>
>>> Regards,
>>> Andreas
>>>
>>> _______________________________________________
>>> Grub-devel mailing list
>>> address@hidden
>>> http://lists.gnu.org/mailman/listinfo/grub-devel
>>>
>>>
>>
>>
>
>
--
Regards
Vladimir 'φ-coder/phcoder' Serbinenko
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