$ tail -3 nautilus-debug-log.txt
0x8177510 2008/01/15 17:03:39.9329 (USER): debug log dumped due to signal 11
0x8177510 2008/01/15 17:03:39.9446 (USER): debug log dumped due to signal 11
0x8177510 2008/01/15 17:03:39.9563 (USER): debug log dumped due to signal 11
After I killed the nautilus process that took 100% CPU with -15 it stopped.
Just had this issue my self. I have noticed it maybe 10-20 times before.
$ wc -l nautilus- debug-log. txt debug-log. txt
26119 nautilus-
$ tail -3 nautilus- debug-log. txt
0x8177510 2008/01/15 17:03:39.9329 (USER): debug log dumped due to signal 11
0x8177510 2008/01/15 17:03:39.9446 (USER): debug log dumped due to signal 11
0x8177510 2008/01/15 17:03:39.9563 (USER): debug log dumped due to signal 11
After I killed the nautilus process that took 100% CPU with -15 it stopped.