[erlang-bugs] R12B-3/64bit/smp Stuck disk_log_server

[mats cronqvist]

Geoff Cant <geoff.cant@REDACTED> writes:

> Hi all, we just took another look at the cluster and discovered another
> stuck gen_server. This time we sent it a bogus message of '$ignore_me' -
> the process then woke up, processed the first message in its queue (an
> ejabberd internal message) and exited (as expected from the ejabberd
> code). 
>
> It appears that this bug causes processes to sometimes not get
> scheduled in when they receive a message. It seems to strike randomly
> and subsequent messages cause the process to be scheduled properly.

  Ouch. You can't trust anyone these days. At least the message wasn't
  dropped or out of order.

  mats