Turmvilla Memory

[Christian Helmuth]

Hi,

On Thu, Nov 26, 2015 at 07:57:59PM +0100, Harm de Vries wrote:
> NOVA Microhypervisor v7-92a2b58 (x86_64): Nov 18 2015 16:10:43 [gcc 4.9.2]
> 
> [ 0] CORE:0:0:0 6:3d:4:6 [21] Intel(R) Core(TM) i7-5600U CPU @ 2.60GHz
> [ 1] CORE:0:0:1 6:3d:4:6 [21] Intel(R) Core(TM) i7-5600U CPU @ 2.60GHz
> [ 3] CORE:0:1:1 6:3d:4:6 [21] Intel(R) Core(TM) i7-5600U CPU @ 2.60GHz
> [ 2] CORE:0:1:0 6:3d:4:6 [21] Intel(R) Core(TM) i7-5600U CPU @ 2.60GHz
> Hypervisor features VMX
> Hypervisor reports 4x1 CPUs - boot CPU is 0
> Hypervisor info page contains 91 memory descriptors:
> detected physical memory: 0x0000000000000000 - size: 0x9d000
> use      physical memory: 0x0000000000000000 - size: 0x9d000
> detected physical memory: 0x0000000000100000 - size: 0xff00000
> use      physical memory: 0x0000000000100000 - size: 0xff00000
> detected physical memory: 0x000000001000b000 - size: 0xaf014000
> use      physical memory: 0x000000001000b000 - size: 0xaf014000
> detected physical memory: 0x0000000100000000 - size: 0x32e000000
> use      physical memory: 0x0000000100000000 - size: 0x32e000000
> map multi-boot module: physical 0x7bbd8000+0x000e7430 - core
[...]
> :phys_alloc: Allocator 18db20 dump:
>  Block: [00001000,00002000) size=00001000 avail=00000000 max_avail=00000000
[...]
>  Block: [1000b000,7bbd8000) size=6bbcd000 avail=6bbcd000 max_avail=6bbcd000
>  => mem_size=2037813248 (1943 MB) / mem_avail=2037202944 (1942 MB)

>From this log snippets I deduce we may have an issue in the code
parsing NOVA's memory descriptors or in the memory descriptors
themselves. I looks like all memory above the multi-boot modules is
lost for core although NOVA reports to use it.

We'll have a look and report back (maybe after the release).

Cheers
-- 
Christian Helmuth
Genode Labs

http://www.genode-labs.com/ · http://genode.org/
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