Description of problem: The NMRDraw program of NMRPipe crashes under Fedora 8 with the error... nmrdraw: xcb_io.c:285: _XAllocID: Assertion `!(dpy->flags & (1L << 3))' failed. Abort This problem is also seen with the OpenSuse 10.3... http://tech.groups.yahoo.com/group/nmrpipe/message/1602 This problems sounds like the generic issue discussed here... https://lists.linux-foundation.org/pipermail/lsb-discuss/2007-August/004168.html It would appear that these new XPROTO tests need to be disabled. This problem doesn't exist under Fedora 7. Version-Release number of selected component (if applicable): How reproducible: Steps to Reproduce: 1. Install Fedora 8 i386 2. Install NMRPipe 3. execute nmrDraw Actual results: nmrDraw should open its windows as shown in the screenshot at http://spin.niddk.nih.gov/NMRPipe/. Expected results: The nmrDraw program aborts with the error... nmrdraw: xcb_io.c:285: _XAllocID: Assertion `!(dpy->flags & (1L << 3))' failed. Abort Additional info: https://lists.linux-foundation.org/pipermail/lsb-discuss/2007-August/004168.html http://tech.groups.yahoo.com/group/nmrpipe/message/1602
This problem can be hacked around by making sure that nmrdraw runs against a copy of libX11.so.6.2.0 from Fedora 7 or OpenSuse 10.2 when executed under Fedora 8 or OpenSuse 10.3. I suspect this indicates the problem is related to the new linkage of libX11 with libxcb?
The newer libxcb-1.1-1.fc9.src.rpm when built under Fedora 8 against the package built from xcb-proto-1.1-1.fc9.src.rpm under Fedora 8 doesn't solve the crash. Only the libX11.so.6.2.0 from Fedora 7 eliminates the crash in nmrDraw.
Opps. This problem appears to be in xview rather than nmrdraw itself. The xview clock and textedit clients both crash with the same error.
I have built a debug version of xview 3.1.2 under Fedora Core 8 and posted the gdb backtrace for a crash in the openwin clock client.... http://lists.freedesktop.org/archives/xorg/2007-November/030278.html
Created attachment 261821 [details] xview srpm for Fedora 8
A hack to work around this problem in xview has been available for awhile at... https://lists.ubuntu.com/archives/ubuntu-bugs/2007-March/436653.html I observe the same behavior under Fedora 8. Any one of the four XAllocID() calls can succeed in server.c of libxview. However a second call to XAllocID() will always fail. The workaround is to substitute a single call to XAllocIDs() to handle all four of the XAllocID changes at once. This solves both the crashes in the openwin clients like clock and the problems with nmrDraw. Although a workaround exists, it would be nice if the underlying bug in x.org were fixed. Jack
Martin Buck of Debian believes that this is a latent bug in xview since the documentation of the XAllocIDs() suggests that multiple calls are a problem... http://www.tronche.com/gui/x/xlib/appendix/c/XAllocIDs.html It would be nice if upstream could make this problem more explicit. Particularly, the appendix on XAllocID() doesn't mention multiple calls at all and that is the one triggering the problem.
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