Re: [Qemu-devel] linux-user crashing in multi-threaded programs

[Peter Maydell]

On 21 November 2011 09:55, Alexander Graf <address@hidden> wrote:
> On 21.11.2011, at 09:54, Peter Maydell wrote:
>> I think I sent you my work-in-progress patch, didn't I?
>
> I know that we talked about it. But I can't find it. That doesn't
> mean that you didn't send it, but either way I'd really like to see
> your patch somewhere where it can be found by more people than just
> me. How about the bug report? :)

Good idea -- I'll attach it there today.

> There's also always the chance of doing tricks like I did in my patch
> tonight, so you could do the unlinking code in single-threaded
> applications and switch to the more expensive flag check in
> multi-threaded ones.

You can hit this bug even single-threaded or in system mode:
it's just that aggressively multi-threaded user apps are the
easiest way to trigger it. So I don't think we can ever use
the tb-unlinking code safely.

-- PMM