Comment 9 for bug 290267

I have more information now:
The problem always occurs when I select/preview some screensavers using gnome-screensavers.
Into kern.log I have these segfault when I select/preview screensavers:

Oct 28 17:47:03 merlin-laptop kernel: [ 585.785416] biof[7191]: segfault at 200 ip b7f5efed sp bfc68650 error 4 in ld-2.8.90.so[b7f4c000+1a000]
Oct 28 17:47:24 merlin-laptop kernel: [ 607.432337] biof[7196]: segfault at 200 ip b7ef7fed sp bf7ff1e0 error 4 in ld-2.8.90.so[b7ee5000+1a000]
Oct 28 17:47:39 merlin-laptop kernel: [ 622.537360] biof[7209]: segfault at 200 ip b7f9bfed sp bffa3990 error 4 in ld-2.8.90.so[b7f89000+1a000]
Oct 28 17:47:48 merlin-laptop kernel: [ 630.816383] busyspheres[7228]: segfault at 200 ip b801dfed sp bff27900 error 4 in ld-2.8.90.so[b800b000+1a000]
Oct 28 17:47:55 merlin-laptop kernel: [ 638.542595] colorfire[7235]: segfault at 200 ip b7f0cfed sp bf8166a0 error 4 in ld-2.8.90.so[b7efa000+1a000]
Oct 28 17:49:51 merlin-laptop kernel: [ 753.752294] biof[7381]: segfault at 200 ip b801afed sp bf923b70 error 4 in ld-2.8.90.so[b8008000+1a000]
Oct 28 17:49:56 merlin-laptop kernel: [ 759.376395] busyspheres[7388]: segfault at 200 ip b804ffed sp bfe573c0 error 4 in ld-2.8.90.so[b803d000+1a000]
Oct 28 17:50:03 merlin-laptop kernel: [ 766.304367] busyspheres[7397]: segfault at 200 ip b7fbafed sp bfdc28a0 error 4 in ld-2.8.90.so[b7fa8000+1a000]
Oct 28 17:50:09 merlin-laptop kernel: [ 772.236389] busyspheres[7402]: segfault at 200 ip b80e6fed sp bfdedfc0 error 4 in ld-2.8.90.so[b80d4000+1a000]
Oct 28 17:50:12 merlin-laptop kernel: [ 775.108334] busyspheres[7407]: segfault at 200 ip b80acfed sp bf8b3a90 error 4 in ld-2.8.90.so[b809a000+1a000]