I'm using GHC 6.10.2 with Gtk2Hs from darcs. Very occasionally Yi gives this error and exits:
The program 'yi' received an X Window System error. This probably reflects a bug in the program. The error was 'BadAlloc (insufficient resources for operation)'. (Details: serial 406 error_code 11 request_code 53 minor_code 0) (Note to programmers: normally, X errors are reported asynchronously; that is, you will receive the error a while after causing it. To debug your program, run it with the --sync command line option to change this behavior. You can then get a meaningful backtrace from your debugger if you break on the gdk_x_error() function.) I've tried to narrow this down to a test case. Run the attached program with: make ./gcgc --sync Resize the window or hit a few keys, it seems to error quite quickly. (Unfortunately, without --sync this test program doesn't seem to crash.) I either get an X error message: gcgc: Fatal IO error 0 (Success) on X server :0.0. or gcgc: Fatal IO error 11 (Resource temporarily unavailable) on X server :0.0. Or one of various glibc messages: *** glibc detected *** Segmentation fault or *** glibc detected *** ./gcgc: free(): invalid pointer: 0x09495a78 *** or *** glibc detected *** ./gcgc: double free or corruption (fasttop): 0x0831bff0 *** or *** glibc detected *** ./gcgc: corrupted double-linked list: 0x08596c58 *** The GDB trace shows that gtk calls are being run in separate threads.
import Graphics.UI.Gtk
main = do
unsafeInitGUIForThreadedRTS
win <- windowNew
onDestroy win mainQuit
onExpose win $ \_ -> do
dw <- widgetGetDrawWindow win
gcNew dw
return True
widgetShowAll win
mainGUI
Makefile
Description: Binary data
gcgc.trace
Description: Binary data
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