[Qemu-devel] Re: [PATCH] Make page_find() return 0 for too-large addresses

[Anthony Liguori]

Eduardo Habkost wrote:
> On some cases, such as under KVM, tb_invalidate_phys_page_range()
> may be called for large addresses, when qemu is configured to more than
> 4GB of RAM.
>
> On these cases, qemu was crashing because it was using an index too
> large for l1_map[], that supports only 32-bit addresses when compiling
> without CONFIG_USER_ONLY.
>   

Did you have kqemu enabled in the build?  l1_map should be sufficiently 
large when you have kqemu disabled.

Regards,

Anthony Liguori