Re: (improvement?) Dockstar (like SHEEVAPLUG) panics at init with -current after Aug 31, 2012

[Warner Losh <imp%bsdimp.com@localhost>]

On Dec 20, 2012, at 9:15 PM, Andy Ruhl wrote:

> On Tue, Dec 18, 2012 at 7:11 AM, Matt Thomas 
> <matt%3am-software.com@localhost> wrote:
>> 
>> On Dec 18, 2012, at 5:33 AM, Andy Ruhl wrote:
>> 
>>> This kernel alone does not work for me. The panic at init looks the same.
>> 
>> In arm/arm32/arm32_kvminit, can you try increasing:
>> 
>>        kernel_size += 0x10000; /* slop */
>> 
>> until your kernel boots and then tell me what value you needed?
>> And the output of VERBOSE_INIT_ARM as well.
> 
> I set this in arm32_kvminit.c:
> 
> kernel_size += 0x300000;        /* slop changed from 0x100000 */
> 
> And now it boots.
> 
> Is this masking the problem or solving the problem?
> 
> Why would other machines boot without this change? Different kernel configs?
> 
> I'll try to send the verbose boot output shortly.

When I was bringing up FreeBSD on Cavium, I found that uboot put a special 
structure RIGHT after the kernel, so I needed account for that so I didn't read 
bogus points from it that had been overwritten by the kernel running.

Warner