Ah, 3.13.0-29-generic, I'll see if this bug has been around in previous upstream versions now I've got an easy reproducer.
** Also affects: linux (Ubuntu) Importance: Undecided Status: New ** Changed in: fwts Assignee: (unassigned) => Colin King (colin-king) ** Changed in: linux (Ubuntu) Assignee: (unassigned) => Colin King (colin-king) -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1333569 Title: Hibernate with fwts will cause hwclock command to time out Status in Firmware Test Suite: Confirmed Status in “linux” package in Ubuntu: New Bug description: This issue was found in bug 1327075 If you hibernate a system with fwts, and run the hwclock command, the hwclock command will complain that it was unable to access /dev/rtc, you have to reboot the system to have it back to normal. ubuntu@201401-14542:~$ sudo hwclock -r ; sleep 3;sudo fwts -P s4 --s4-device-check --s4-device-check-delay=45 --s4-sleep-delay=120; sleep 3 ;sudo hwclock -r Tue 24 Jun 2014 03:31:27 AM EDT -0.875913 seconds Running 1 tests, results appended to results.log Test: S4 hibernate/resume test. S4 hibernate/resume test. 4 passed, 1 failed hwclock: select() to /dev/rtc to wait for clock tick timed out: No such file or directory ubuntu@201401-14542:/dev$ ll rtc lrwxrwxrwx 1 root root 4 Jun 23 04:59 rtc -> rtc0 It can be easily reproduced. ubuntu@201401-14542:~$ fwts -v fwts, Version V14.05.00, 2014-05-07 01:57:17 To manage notifications about this bug go to: https://bugs.launchpad.net/fwts/+bug/1333569/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp