| Priority | medium |
|---|---|
| Bug ID | 75279 |
| Assignee | dri-devel@lists.freedesktop.org |
| Summary | XCloseDisplay() takes one minute around nouveau_dri.so, freezing Firefox startup |
| Severity | normal |
| Classification | Unclassified |
| OS | Linux (All) |
| Reporter | bjacob@mozilla.com |
| URL | https://bugzilla.mozilla.org/show_bug.cgi?id=973192 |
| Hardware | x86-64 (AMD64) |
| Status | NEW |
| Version | XOrg CVS |
| Component | DRM/other |
| Product | DRI |
Hi, I'm just forwarding to you a bug report originally made against Firefox: https://bugzilla.mozilla.org/show_bug.cgi?id=973192 The symptom is Firefox freezing on startup. The cause (see around comment 39--42 on that bug) is that a XCloseDisplay() call takes about one minute to return. The original reporter of the bug has recorded a profile which shows time spent in nouveau_dri.so (see comments 50, 51 on the mozilla bug) If you want to see what the application code triggering this bug looks like, it's all self-contained in this file: http://hg.mozilla.org/mozilla-central/file/tip/toolkit/xre/glxtest.cpp 228 glXMakeCurrent(dpy, None, nullptr); 229 glXDestroyContext(dpy, context); 230 XDestroyWindow(dpy, window); 231 XFreeColormap(dpy, swa.colormap); 232 XCloseDisplay(dpy); // <--- this XCloseDisplay call takes 1 minute 233 dlclose(libgl); Is there some more information that you need, that isn't already on the mozilla bug? Is this application code doing something evil here? Is this a known issue? Do you have a guess as to whether it might affect many users (i.e., should we try working around it)?
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