[CentOS] 7.2 kernel panic on boot

Duncan Brown centos2 at duncb.co.uk
Sun Dec 6 07:08:47 UTC 2015


On 06/12/2015 01:12, Marcelo Ricardo Leitner wrote:
> Em 05-12-2015 05:35, Duncan Brown escreveu:
>> On 04/12/2015 19:17, Marcelo Ricardo Leitner wrote:
>>> Em 03-12-2015 14:46, Duncan Brown escreveu:
>>>> Here is a couple of pictures,
>>>>
>>>> http://i.imgur.com/Vqvqn1H.jpg
>>>> http://i.imgur.com/WQaz1j9.png
>>>>
>>>> Any use?
>>>
>>> Of some. It's failing on ftrace initialization while allocating
>>> memory, but can't know the real reason. It can be just lack of memory
>>> or any other bug.
>>>
>>> Probably by that stage of the boot, framebuffer is already loaded. Use
>>> vga=0x317 boot option to get a bigger resolution and more lines on it,
>>> then send another pic.
>>>
>>> I hope it fits this time. If not, pick 0x31A, if your monitor allows.
>>>
>>> (kernel src, Documentation/fb/vesafb.txt)
>>>     | 640x480  800x600  1024x768 1280x1024
>>> ----+-------------------------------------
>>> 256 |  0x301    0x303    0x305    0x307
>>> 32k |  0x310    0x313    0x316    0x319
>>> 64k |  0x311    0x314    0x317    0x31A
>>> 16M |  0x312    0x315    0x318    0x31B
>>>
>>>   Marcelo
>>>
>>> _______________________________________________
>> Hi Marcelo
>>
>> Thanks for the suggestion
>>
>> I've worked through a decent selection and cant get any to show a higher
>> resolution than it's currently at, in fact most just leave me with a
>> blank screen
>>
>> Note I can change the resolution all I want if I boot via the previous
>> kernel
>
> Damn :-(
> Serial cable then? heh
>
> Cheers,
> Marcelo
>
Yeah I've got a nice little usb one I can hook directly into a raspberry 
pi on the way

I'm totally expecting this to get fixed in a kernel update before the 
thing even arrives, but it'll be a good learning experience and will 
probably be useful in the future!





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