Hey Marcin,
Just wondering,
Is your program using threading or any threaded object that is handled in
this part of code?
On Thu, Mar 17, 2016 at 20:44 mar...@saepia.net <mar...@saepia.net> wrote:
> Hi all,
>
> I encounter random crashes in my app, which (it's my guess) is triggered
> when I call callback in async method.
>
> Such as
>
> public async void something() {
> SourceFunc callback_ref = something.callback;
>
> do_something_that_calls_another_callback(() => {
> callback_ref(); // here's crash happening. approximately 1/10000 calls
> });
>
> yield;
> }
>
> The chain of async calls is nested.
>
> I get stack traces like this:
>
> https://gist.githubusercontent.com/mspanc/9ca4795f48e56149a9a2/raw/9be534c66409b26820a66d54f8610f2aa6306e1e/gistfile1.txt
>
> It's rather hard to believe that such basic thing as memory allocation is
> broken in GLib.
>
> Crash happens totally randomly, once per 1-3 days. You can imagine how hard
> is to collect test cases. I am trying to hunt more stack traces in order to
> find a pattern, but maybe in the meantime anyone here can share experience
> in debugging such issues?
>
> Or maybe there are some well-known bugs or antipatterns related to async
> functions that should be avoided?
>
> I use GLib 2.44 & Vala 0.30.0. I will try to upgrade to 2.46 but I see
> nothing related in the changelog.
>
> m.
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