CRUX Boot fails from Ubuntu Grub2

Milton Smith miltonsj at gmail.com
Fri Jan 27 18:53:30 UTC 2017


Ok Steve. I just installed it again following your instructions. It worked! I was not doing 'make firmware_install' when compiling the kernel. I am gonna keep it simple from now on. One os on each disk! I am reformatting my Ubuntu drive now. No more of that! Thanks again.

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On Jan 27, 2017, 12:04 PM, at 12:04 PM, Steve Volumetric <volumetricsteve at gmail.com> wrote:
>It's not a problem if you configure fstab correctly.  I never do
>because
>all of my crux machines are one physical drive and one partition per
>system, I don't even use swap.
>I just like to keep things clean and simple.
>
>On Fri, Jan 27, 2017 at 12:58 PM, Milton Smith <miltonsj at gmail.com>
>wrote:
>
>> I am using gmail in the web browser, I must have hit a button
>accidentally
>> to enlarge the font.. I am sorry about that. I think I have got it
>fixed
>> now.  I don't see a reply all button. I thought I was sending all my
>> messages to the group. �� I am CC'ing this message now.
>> One last question: Are you using a separate boot partition on your
>disk
>> for your CRUX installation? I usually dont, and I am wondering it
>that may
>> cause a problem.
>>
>> On Fri, Jan 27, 2017 at 11:51 AM, Steve Volumetric <
>> volumetricsteve at gmail.com> wrote:
>>
>>> Also your font in your last few emails is gigantic, is that
>intentional?
>>> I've been CC'ing the crux list on my replies because you're not
>>> replying-to-all and I think the rest of the list may be able to help
>you
>>> better.  Good luck.  I'll help if I can.
>>>
>>> On Fri, Jan 27, 2017 at 12:49 PM, Milton Smith <miltonsj at gmail.com>
>>> wrote:
>>>
>>>> Ok. Steve. I will follow your steps exactly and see what happens.
>Thanks
>>>> for the help, and I will post back here later this evening or
>tomorrow and
>>>> let you know what happens. Thanks!
>>>>
>>>> On Fri, Jan 27, 2017 at 11:43 AM, Steve Volumetric <
>>>> volumetricsteve at gmail.com> wrote:
>>>>
>>>>> If your goal is to dual boot, i might not be able to help you.  If
>>>>> you're trying to just set up a bare-metal crux system, your grub
>install
>>>>> process must be wonky, though, all I do is:
>>>>> (appropriate fstab changes)
>>>>> grub-install /dev/sda
>>>>> (compile kernel, make modules_install, make firmware_install, cp
>>>>> System.map /boot/, cp arch/x86/boot/bzimage /boot/vmlinuz-1)
>>>>> grub-mkconfig > /boot/grub/grub.cfg
>>>>> reboot
>>>>>
>>>>> I don't think I'm missing anything critical there as far as just
>being
>>>>> able to boot is concerned...
>>>>>
>>>>> On Fri, Jan 27, 2017 at 12:07 PM, Milton Smith
><miltonsj at gmail.com>
>>>>> wrote:
>>>>>
>>>>>> I am using grub in Ubuntu because when I install grub in CRUX, I
>>>>>> reboot to a grub rescue prompt and not a grub menu. It is very
>>>>>> inconvenient. The UUID in stab just takes the place of where you
>put
>>>>>> /dev/sdb, etc. Does that help clear it up? Thanks
>>>>>>
>>>>>> On Fri, Jan 27, 2017 at 10:56 AM, Steve Volumetric <
>>>>>> volumetricsteve at gmail.com> wrote:
>>>>>>
>>>>>>> How or more importantly why are you using Ubuntu's grub2 in
>crux?
>>>>>>> Is it an EFI system?  I'm not sure what you mean by UUID in the
>>>>>>> context of fstab, I almost always have something like:
>>>>>>>
>>>>>>> /dev/sdb1   /    ext4   defaults,noatime(or whatever)   0   1
>>>>>>>
>>>>>>> I wouldn't recommend using utilities for a different
>distrobution,
>>>>>>> crux comes with grub2.
>>>>>>>
>>>>>>> -vsteve
>>>>>>>
>>>>>>> On Fri, Jan 27, 2017 at 11:42 AM, Milton Smith
><miltonsj at gmail.com>
>>>>>>> wrote:
>>>>>>>
>>>>>>>> I am trying to boot from the Grub that comes standard with an
>Ubuntu
>>>>>>>> installation. I am installing on bare metal. I did compile my
>root
>>>>>>>> filesystem into the kernel. I am using ext4. I did setup fstab
>with the
>>>>>>>> uuid of the CRUX partition. Sorry for the confusion.
>>>>>>>>
>>>>>>>> Sent from BlueMail <http://www.bluemail.me/r>
>>>>>>>> On Jan 27, 2017, at 9:55 AM, Steve Volumetric <
>>>>>>>> volumetricsteve at gmail.com> wrote:
>>>>>>>>>
>>>>>>>>> I have a few questions, but first, what is "ubuntu grub2"? 
>Are you
>>>>>>>>> installing on a VM or bare metal?
>>>>>>>>> Did you compile your root file system into your kernel?  What
>file
>>>>>>>>> system are you using on your root file system?  Did you set up
>fstab?
>>>>>>>>>
>>>>>>>>> -vsteve
>>>>>>>>>
>>>>>>>>> On Fri, Jan 27, 2017 at 10:46 AM, Milton Smith
><miltonsj at gmail.com>
>>>>>>>>> wrote:
>>>>>>>>>
>>>>>>>>>> Everytime I try to boot CRUX from Ubuntu's Grub2 it fails
>with a
>>>>>>>>>> kernel panic.
>>>>>>>>>>
>>>>>>>>>> It gives me the error message, " unable to mount root
>filesystem
>>>>>>>>>> on unknown block (0,0)".
>>>>>>>>>>
>>>>>>>>>> Can someone help me with this? Thanks!
>>>>>>>>>>
>>>>>>>>>> Sent from BlueMail <http://www.bluemail.me/r>
>>>>>>>>>>
>>>>>>>>>> ______________________________ _________________
>>>>>>>>>> CRUX mailing list
>>>>>>>>>> CRUX at lists.crux.nu
>>>>>>>>>> https://lists.crux.nu/mailman/listinfo/crux
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>
>>>>>>>
>>>>>>
>>>>>>
>>>>>> --
>>>>>> Milton Smith
>>>>>>
>>>>>
>>>>>
>>>>
>>>>
>>>> --
>>>> Milton Smith
>>>>
>>>
>>>
>>
>>
>> --
>> Milton Smith
>>
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