Created attachment 943788 [details] part of messages just befor and relating to the crash Description of problem: Unmounting an external ext4 drive connected via USB led to kernel crash. Version-Release number of selected component (if applicable): Kernel 3.16.3-200.fc20.x86_64 How reproducible: Happned once thus far, out of several mount/unmount cycles. Steps to Reproduce: 1. Connect USB drive, wait for it to automount 2. Click the Unmount/eject icon in PCManFM Happens only occasionally. Actual results: System freezes Expected results: Unmount file system Additional info: Relevant part of messages is attached
*********** MASS BUG UPDATE ************** We apologize for the inconvenience. There is a large number of bugs to go through and several of them have gone stale. Due to this, we are doing a mass bug update across all of the Fedora 20 kernel bugs. Fedora 20 has now been rebased to 3.17.2-200.fc20. Please test this kernel update (or newer) and let us know if you issue has been resolved or if it is still present with the newer kernel. If you have moved on to Fedora 21, and are still experiencing this issue, please change the version to Fedora 21. If you experience different issues, please open a new bug report for those.
This bug is being closed with INSUFFICIENT_DATA as there has not been a response in over 3 weeks. If you are still experiencing this issue, please reopen and attach the relevant data from the latest kernel you are running and any data that might have been requested previously.