Re: [Qemu-devel] default guest RAM size?

[Peter Maydell]

On 5 March 2013 14:07, 陳韋任 (Wei-Ren Chen) <address@hidden> wrote:
> On Tue, Mar 05, 2013 at 01:40:38PM +0800, Peter Maydell wrote:
>> On 5 March 2013 13:26, Michael Tokarev <address@hidden> wrote:
>> > For many years, qemu defaults to 128Mb of guest RAM size.
>> > Today, this is just too small, and many OSes fails to boot
>> > with this size, more, they fail to produce any reasonable
>> > messages either (eg, windows7 just crashes at startup).
>>
>> If you make the default bigger then some boards will crash
>> or behave weirdly because they try to map more RAM in than
>> will fit into the space for RAM in their address maps.
>
>   So, 128Mb is still a good default? I am just wondering if those
> boards with little memory still are major user of QEMU? :)

They may not be major but they're still in the codebase. You
can't just arbitrarily break them -- you need to propose
a path forward that doesn't do that.

-- PMM