I have tested the latest mainline kernel packaged for precise: linux-image-3.4.0-030400rc6-generic_3.4.0-030400rc6.201205061835_amd64.deb
Note that this package is dated 06-May-2012 and this git commit http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=ceede9fa8939e40ad0ddb4ad1355f45c6f1d3478 is from 09-May-2012, so this kernel doesn't contain the latest fix(es) on the PWC driver. With this kernel, I don't get a OOPS with qastrocam-g2 and qastrocam-g2 can acquire pictures from the Toucam Pro 2. However, most IOCTL commands used by qastrocam-g2 to set camera parameters such as the gain are not recognized (see attached console output). This was not the case in older version of Ubuntu such as 11.10. Interestingly the file drivers/media/video/pwc/pwc-ioctl.h was removed after kernel 3.0 ( http://git.kernel.org/?p=linux%2Fkernel%2Fgit%2Ftorvalds%2Flinux-2.6.git&a=search&h=HEAD&st=commit&s=pwc-ioctl ) because it was redundant? with include/media/pwc-ioctl.h. I will open an upstream bug report. ** Attachment added: "qastrocam-g2.out" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1010028/+attachment/3182134/+files/qastrocam-g2.out -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1010028 Title: Philips webcam PWC driver BUG: unable to handle kernel NULL pointer dereference at 0000000000000050; RIP: 0010:[<ffffffffa0112d6e>] [<ffffffffa0112d6e>] v4l2_ctrl_s_ctrl+0xe/0x50 [videodev] To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1010028/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
