Kazu, thanks for noticing this! I will try to recreate it on my server as well.
-Andi On Tue, Sep 3, 2013 at 5:57 PM, Johan Tibell <johan.tib...@gmail.com> wrote: > Hi Kazu, > > On Tue, Sep 3, 2013 at 2:52 PM, Kazu Yamamoto <k...@iij.ad.jp> wrote: > >> Hi, >> >> As I said before, I started running HTTP server using Mio in the real >> world. Unfortunately, the daemon is not stable. >> >> After one day or so, the server cannot accept any HTTP requests. No >> error messages from the server. >> >> The server is alive. To terminate the server (running in a "screen" >> terminal), single Ctrl-c is not enough. Typing Ctrl-c again terminates >> the server. >> > > Could you run an strace on the process in this state so we can get an idea > what it's doing? > > >> After several tests, I'm getting convinced that this occurs only when >> +RTS -N<x> is specified (where <x> >= 2). The server runs well if +RTS >> -N<x> is not specified. >> > > That indicates that the problem is with the threaded RTS and perhaps with > the IO manager. > > >> My question: if the program complied with GHC needs double Ctrl-c to >> terminate, what is the situation of the program? >> > > If Ctrl+C generates an exception (does it?) there could be an overzealous > exception catcher somewhere that catches all exceptions, including your > Ctrl+C. > > >> >> P.S. >> >> It seems to me that the server also is leaking space. The server is >> getting fatter gradually. > > > Could you use the profiler to see what type of objects are leaking? > > > _______________________________________________ > ghc-devs mailing list > ghc-devs@haskell.org > http://www.haskell.org/mailman/listinfo/ghc-devs > >
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