On Tue, 24 Jun 2003, The Eye wrote: >I am using bttv-0.9.10 on a 2.4.20 kernel with grsecurity patches. After >one segfault of nvrec, it is impossible to remove the bttv drivers. This might not be related, but 2.4.20 is buggy and you should either upgrade to 2.4.21 or install patch http://www.ee.oulu.fi/~tuukkat/quickcam/linux-2.4.20-videodevfix.patch http://www.ee.oulu.fi/~tuukkat/quickcam/linux-2.4.20-videodevfix.txt