Red Hat Bugzilla – Bug 591771
Nouveau segfaults for pyclutter apps
Last modified: 2011-06-02 18:51:30 EDT
### Description of problem: ###
Nouveau segfaults while trying to run a pyclutter app. The same code works perfectly on intel graphics. It also ran perfectly on F12. I clean installed f13 beta a few days back. Its completely updated. Now the code crashes with a segfault. I have mesa-dri-drivers-experimental installed for 3D support.
### Version-Release number of selected component (if applicable): ###
[Ankur@localhost ~]$ rpm -q xorg-x11-drv-nouveau mesa-dri-drivers-experimental
### How reproducible: ###
Get a git clone of the source, run fedora-tour.py
### Steps to Reproduce: ###
1.update f13 system and install experimental mesa driver
2. git clone git://git.fedorahosted.org/git/fedora-tour.git/
3. go into the src/ directory and run python fedora-tour.py
### Actual results: ###
[Ankur@localhost ~]$ cd Documents/fedora-tour/src/
[Ankur@localhost src]$ python fedora-tour.py
Segmentation fault (core dumped)
### Expected results: ###
Should work as expected
### Additional info: ###
Backtrace using gdb. I installed *all* the debuginfos it asked me to.
Without the debuginfos, it only said:
0x00007fffeddfdbf8 in ?? () from /usr/lib64/dri/nouveau_dri.so
(gdb) run fedora-tour.py
Starting program: /usr/bin/python fedora-tour.py
[Thread debugging using libthread_db enabled]
Program received signal SIGSEGV, Segmentation fault.
0x00007fffeddfdbf8 in do_row (datatype=<value optimized out>, comps=<value optimized out>, srcWidth=<value optimized out>, srcRowA=0x7ffff7f35000, srcRowB=
0x7ffff7f35100, dstWidth=<value optimized out>, dstRow=0x10000) at main/mipmap.c:194
194 dst[i] = (rowA[j] + rowA[k] + rowB[j] + rowB[k]) >> 2;
Created attachment 413624 [details]
Created attachment 413625 [details]
Created attachment 413627 [details]
Created attachment 413628 [details]
screenshot of app when run in gdb.
That's all the info I could collect. If you need something more, please let me know. I'd be happy to test packages too if you need me to.
Do you still see this? I can't reproduce with:
Nevermind, ignore that, can reproduce on a NV44 card.
(In reply to comment #7)
> Nevermind, ignore that, can reproduce on a NV44 card.
from lspci :
01:00.0 VGA compatible controller: nVidia Corporation G72M [GeForce Go 7400] (rev a1)
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I've shifted to the kmod for the time being. Not sure if this is still happening. Ben, could you comment please?
It'll likely still happen. This won't be fixed for F13, however F15 should be much better - if it's not, well, it should be fixed there.