id summary reporter owner description type status priority milestone component version resolution keywords cc os architecture failure difficulty testcase blockedby blocking related 4351 internal error: awaitEvent: descriptor out of range guest simonmar "My program is crashing at runtime with the error below. The program is a multi threaded network server and the crash happens when around 1000 clients are connected. The crash happens when compiled with -threaded, and also when run interpreted with runghc (without -threaded) Thanks {{{ cobra@cobra-desktop:~/projects/hs_server_test$ gdb ./Main GNU gdb (GDB) 7.0-ubuntu Copyright (C) 2009 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law. Type ""show copying"" and ""show warranty"" for details. This GDB was configured as ""i486-linux-gnu"". For bug reporting instructions, please see: ... Reading symbols from /home/cobra/projects/hs_server_test/Main...done. (gdb) run Starting program: /home/cobra/projects/hs_server_test/Main [Thread debugging using libthread_db enabled] Starting up... Listening... Main: internal error: awaitEvent: descriptor out of range (GHC version 7.1.20100925 for i386_unknown_linux) Please report this as a GHC bug: http://www.haskell.org/ghc/reportabug Program received signal SIGABRT, Aborted. 0x0012d422 in __kernel_vsyscall () (gdb) where #0 0x0012d422 in __kernel_vsyscall () #1 0x001f04d1 in *__GI_raise (sig=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:64 #2 0x001f3932 in *__GI_abort () at abort.c:92 #3 0x081bf65d in rtsFatalInternalErrorFn () #4 0x00307560 in ?? () from /lib/tls/i686/cmov/libc.so.6 Backtrace stopped: previous frame inner to this frame (corrupt stack?) (gdb) }}}" bug closed normal 7.0.2 Runtime System 7.1 fixed Unknown/Multiple Unknown/Multiple Other