poweredge 1850 won't boot 7.1? maybe LSI-related : amr0: adapter is busy

[Steve Polyack]

Brian A. Seklecki wrote:
> NOTE: You're using the 4e/Si, which we have as well.  We're experiencing
> random crashes on the 1850/8th gen, as a result of a (believed) DMA bug
> introduced into 7.x
>
>   
Just to note, we are only seeing these issues in combination with megarc 
(/usr/ports/sysutils/megarc) monitoring.