Oops, the kernel mentioned in comment #14 should be 3.19.0-rc2 Also, I tried to do multiple manual suspend on this system with 3.19.0-rc2, on the 7th cycle, the webcam dropped. /dev/video0 disappeared, and the webcam disappeared from lsusb output.
Attachment is the dmesg output when this happens. ** Attachment added: "dmesg-webcamdrop.log" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1335026/+attachment/4292251/+files/dmesg.log ** Changed in: hwe-next Status: Incomplete => Confirmed ** Changed in: linux (Ubuntu) Status: Incomplete => Confirmed -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1335026 Title: [Dell OptiPlex 3011] Sometimes system won't be able to run suspend stress test To manage notifications about this bug go to: https://bugs.launchpad.net/hwe-next/+bug/1335026/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs