Tassilo Horn <tsdh@gnu.org> writes:

>> OK, so itʼs the DNS. The libravatar method does a bunch of DNS
>> queries, and those can be slow, and they're done for every article.
>
> I have the same problem as Adam.  And it happened two or three times
> that upon clicking a message, Emacs started consuming 100% CPU and
> stuck at least 30 seconds before I hit C-g.  At one occurrence, I
> attached GDB after waiting at least 30 seconds for the full message to
> appear and on the bottom of the call stack was
>
>   dns-query
>   accept-process-output

It just happened again, and this time I made a full C and Lisp
backtrace (attached).