Red Hat Bugzilla – Bug 467177
i965_dri involved in a SEGFAULT
Last modified: 2018-04-11 09:57:09 EDT
Created attachment 320528 [details]
Description of problem:
We have a problem with an OpenGL program that sometimes triggers segfaults in the X11 server. It looks like a problem in mesa drivers.
Version-Release number of selected component (if applicable):
Steps to Reproduce:
1. Run molden (program for molecule visualisation)
2. Move the mouse pointer over one of the buttons in the molden toolbar.
3. Wait a couple of second.s
Screen turns black for few seconds. Sometimes the server recovers, sometimes it does not.
Created attachment 320529 [details]
0: /usr/bin/Xorg(xf86SigHandler+0x65) [0x47d195]
1: /lib64/libc.so.6 [0x38930322a0]
2: /lib64/libc.so.6 [0x3893078c59]
3: /lib64/libc.so.6 [0x389307a488]
4: /lib64/libc.so.6(cfree+0x76) [0x389307a866]
5: /usr/lib64/dri/i965_dri.so [0x7fffe6132a92]
6: /usr/lib64/dri/i965_dri.so [0x7fffe6132b00]
7: /usr/lib64/dri/i965_dri.so [0x7fffe613468c]
8: /usr/lib64/dri/libdricore.so [0x7fffe5e09c78]
9: /usr/lib64/dri/libdricore.so(_mesa_delete_list+0x56) [0x7fffe5d91854]
10: /usr/lib64/dri/libdricore.so(_mesa_HashDeleteAll+0x46) [0x7fffe5db2a4d]
11: /usr/lib64/dri/libdricore.so [0x7fffe5d7e857]
12: /usr/lib64/dri/libdricore.so(_mesa_free_context_data+0x17c) [0x7fffe5d7f2a9]
13: /usr/lib64/dri/i965_dri.so(intelDestroyContext+0x102) [0x7fffe61364ba]
14: /usr/lib64/dri/i965_dri.so [0x7fffe612e617]
15: /usr/lib64/xorg/modules/extensions//libglx.so [0x7ffff7baf739]
16: /usr/lib64/xorg/modules/extensions//libglx.so(__glXFreeContext+0x6c) [0x7ffff7ba581c]
17: /usr/lib64/xorg/modules/extensions//libglx.so [0x7ffff7ba5863]
18: /usr/bin/Xorg(FreeClientResources+0xcb) [0x42ef2b]
19: /usr/bin/Xorg(CloseDownClient+0x60) [0x440db0]
20: /usr/bin/Xorg(Dispatch+0x1f0) [0x446630]
21: /usr/bin/Xorg(main+0x45d) [0x42cbed]
22: /lib64/libc.so.6(__libc_start_main+0xfa) [0x389301e32a]
23: /usr/bin/Xorg(FontFileCompleteXLFD+0x279) [0x42bfc9]
Fatal server error:
Caught signal 11. Server aborting
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