On Wed, Aug 10, 2011 at 11:31 AM, Asias He <asias.hejun@xxxxxxxxx> wrote:
>> I think the reason is not important here. I use qemu to test
>> and it also outputs that extra characters. They seem to be outputted by
>> driver or kernel of guest os.
>>
>> It's not sane to change the output of guest os. Suppose if we just
>> want to see what "cat /dev/urandom" prints, then only
>> allow ascii characters to be outputted? I think that's not what we expect.
>
> This is a good reason why we should not only allow ascii to be printed.
>
> Anyway, this is really annoying. Maybe it is a serial driver bug?
Could be. It's probably best to track down where the byte is being
sent in the driver.
Pekka
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