[Mono-dev] xbuild - ** ERROR **: shm_semaphores_init: semget error: No space left on device.

[Robert Jordan]

On 12.11.2010 19:06, Arne Claassen wrote:
> I can try that. But more importantly, I'd like to learn more about
> about semaphore usage.

Their usage has been faded out in 2.8.

>
> I'm just wildly speculating, but i assume it sets up a new one for IPC
> when an application gets compiled into a new appdomain by ASP.NET when
> it detects code changes. But shouldn't those semaphores get released
> when the old appdomain gets unloaded? Is this a sign of appdomains not
> being unloaded or just not cleaning up their semaphores? And shouldn't
> they all get released regardless when the mod_mono processes gets shut
> down?
>
> Would love to get more insight into what's happening, but don't really
> know where to start.

Have a look at mono/io-layer/, but, as I wrote, they are not
enabled by default anymore.

Robert