Re: [Qemu-devel] sparc: crash when using initrd > 5M

[Mark Cave-Ayland]

On 06/02/2019 07:28, Corentin Labbe wrote:

>>> Hello
>>>
>>> Sorry even with the patch I still hit the issue.
>>>
>>> I have added some debug and at least qemu set initrd_size correctly now.
>>>
>>> I have tried to compile openbios-sparc32 for debugging but fail with
>>> arch/sparc32/context.c:116:5: error: PIC register clobbered by 'l7' in 'asm'
>>>      asm __volatile__ ("\n\tcall __switch_context"
>>>      ^~~
>>> make[1]: *** [rules.mak:219: target/arch/sparc32/context.o] Error 1
>>> (gcc 7.2 and gc 6.4 with binutils 2.30)
>>
>> Hmmm. One other thing I've noticed is that newer kernels tend need a minimum 
>> of 256M
>> RAM to start up - does it work if you add -m 256 to your command line?
>>
>>
> 
> I have already set 256M of RAM. (and tried 512)

I wonder then if this is being triggered by a recent kernel change? I tend to 
test
using the latest Debian ports ISOs which are currently running 4.9 and that 
booted
fine when I was testing the patches above.

Can you try with a few older kernels to see if this is the case?


ATB,

Mark.