Hi, The error I see is:
""" $ ./relax --gui-tests ============= = GUI tests = ============= .........................................Sun Mar 15 13:53:41 Mac.local Python[248] <Error>: kCGErrorFailure: _CGSBindWindowBacking: cannot map backing data shmem Sun Mar 15 13:53:41 Mac.local Python[248] <Error>: kCGErrorFailure: Set a breakpoint @ CGErrorBreakpoint() to catch errors as they are logged. Sun Mar 15 13:53:41 Mac.local Python[248] <Error>: kCGErrorFailure: _CGSLockWindow: Unable to lock window Sun Mar 15 13:53:41 Mac.local Python[248] <Error>: kCGErrorFailure: _CGSBindWindowBacking: cannot map backing data shmem Sun Mar 15 13:53:41 Mac.local Python[248] <Error>: kCGErrorFailure: _CGSLockWindow: Unable to lock window Sun Mar 15 13:53:41 Mac.local Python[248] <Error>: kCGErrorFailure: _CGSBindWindowBacking: cannot map backing data shmem Sun Mar 15 13:53:41 Mac.local Python[248] <Error>: kCGErrorFailure: _CGSLockWindow: Unable to lock window """ This is repeated many, many times until I see: """ Python(248,0x3bd540) malloc: *** mmap(size=2097152) failed (error code=12) *** error: can't allocate region *** set a breakpoint in malloc_error_break to debug """ This too is repeated many, many times. Then the memory runs out and "Segmentation fault" is printed and a window pops up saying that Python died unexpectedly. Regards, Edward On 15 March 2015 at 13:48, Edward d'Auvergne <edw...@nmr-relax.com> wrote: > Hi Jack, > > Maybe you might be able to help solve this problem. It is rather > difficult and I think the easiest solution is to blacklist GUI tests > from running on Mac OS X. However despite the segfaults, I find the > tests useful to make sure all is well in the GUI on a Mac. The > problem is either a bug in wxPython, well really wxWidgets, or a > design flaw in Mac OS X. From what I've read, it sounds more like a > Mac design flaw. > > This was previously a problem on MS Windows, but I have solved it for > that OS in relax 3.3.6 (http://wiki.nmr-relax.com/Relax_3.3.6). All > operating systems have a hard limit for the number of GUI objects that > can be created (windows, panels, buttons, etc.). In MS Windows, this > is called "User Objects" and there the limit is 10,000, and "GDI > Object" which has the same limit. In Mac systems, I'm not sure what > the equivalent are called. In Linux, the limits are so high that > we'll never encountered the problem. In relax these limits are > reached due to the design of the GUI, specifically the user function > windows. If all the user function windows are open simultaneously, > then the Windows and Mac limits are reached and Python errors or > segfaults are seen respectively. The current design is that after > closing a user function window, it remains in memory so that when you > reopen it, all its settings and values from the previous execution are > still there. This is very useful for repetitive operations such as > loading peak list data. But when running the test suite, as the user > function windows remain permanently open, the hard GUI limits are > reached in both Windows and Macs. This problem has only recently > surfaced as the number of GUI tests have expanded and more of the user > functions are executed. In the future as the GUI tests expand even > more, this will become more and more of a problem. > > The solution in relax 3.3.6 was to destroy all user function windows > at the end of each GUI test (see > http://www.nmr-relax.com/api/3.3/test_suite.gui_tests.base_classes-pysrc.html#GuiTestCase.tearDown > and > http://www.nmr-relax.com/api/3.3/gui.spin_viewer.frame-pysrc.html#Spin_view_window.Destroy > for this design). This frees the User Objects and GDI Objects in MS > Windows. However this is were the Mac OS X design flaw hurts. In the > Mac, the system will not release the GUI objects until the program > terminates! So despite the window Destroy() function calls, the limit > will be reached and a segfault will occur. I have desperately > searched for a solution for this for Mac systems, but have found none. > It sounds like the wxWidget people blame the Mac OS design flaw. > Maybe in the future, wxWidgets will find a workaround that can then be > used in relax. But until then, we are pretty much bound to have > segfaults in Mac systems in the GUI tests. I really have not idea > what we can do to solve this issue! > > Regards, > > Edward > > > > > > On 14 March 2015 at 22:35, Jack Howarth > <no-reply.invalid-addr...@gna.org> wrote: >> Follow-up Comment #1, bug #23389 (project relax): >> >> This failure also appears in 3.3.6 with 'relax --test-suite'. Oddly it >> doesn't >> occur with 'relax --gui-tests'. >> >> _______________________________________________________ >> >> Reply to this item at: >> >> <http://gna.org/bugs/?23389> >> >> _______________________________________________ >> Message sent via/by Gna! >> http://gna.org/ >> >> >> _______________________________________________ >> relax (http://www.nmr-relax.com) >> >> This is the relax-devel mailing list >> relax-devel@gna.org >> >> To unsubscribe from this list, get a password >> reminder, or change your subscription options, >> visit the list information page at >> https://mail.gna.org/listinfo/relax-devel _______________________________________________ relax (http://www.nmr-relax.com) This is the relax-devel mailing list relax-devel@gna.org To unsubscribe from this list, get a password reminder, or change your subscription options, visit the list information page at https://mail.gna.org/listinfo/relax-devel
