------- Comment on attachment From chngu...@us.ibm.com 2016-02-24 09:33 EDT-------
We still see this on 16.04 release. root@pole2lp2:~# uname -r 4.4.0-6-generic root@pole2lp2:~# dmesg |grep "rtc" [ 25.057147] hctosys: unable to open rtc device (rtc0) [ 484.267157] rtc-generic rtc-generic: rtc core: registered rtc-generic as rtc0 root@pole2lp2:~# lsb_release -a No LSB modules are available. Distributor ID: Ubuntu Description: Ubuntu Xenial Xerus (development branch) Release: 16.04 Codename: xenial ** Attachment added: "journalctl -b file" https://bugs.launchpad.net/bugs/1410604/+attachment/4580027/+files/journal.txt -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to util-linux in Ubuntu. https://bugs.launchpad.net/bugs/1410604 Title: ISST-LTE: unable to open rtc device Status in util-linux package in Ubuntu: Incomplete Bug description: == Comment: #0 - Chanh H. Nguyen <chngu...@us.ibm.com> - 2015-01-09 17:30:08 == We use DVD to install Ubuntu 15.04 kernel 3.18.0-8-generic version on our PowerVM system. After install, I am seeing this error "/build/buildd/linux-3.18.0/drivers/rtc/hctosys.c: unable to open rtc device" on the dmesg log... root@pole1lp3:~# uname -a Linux pole1lp3 3.18.0-8-generic #9-Ubuntu SMP Mon Jan 5 22:52:15 UTC 2015 ppc64le ppc64le ppc64le GNU/Linux root@pole1lp3:~# dmesg |grep rtc [ 0.556763] /build/buildd/linux-3.18.0/drivers/rtc/hctosys.c: unable to open rtc device (rtc0) [ 3.296241] rtc-generic rtc-generic: rtc core: registered rtc-generic as rtc0 root@pole1lp3:~# == Comment: #2 - David Heller <helle...@us.ibm.com> - 2015-01-13 20:53:50 == It must be an order of operations thing: something is trying to do the hctosys before the driver is loaded. A few seconds later the driver loads and it seems fine after that. root@pole1lp3:~# dmesg | grep rtc [ 0.551202] /build/buildd/linux-3.18.0/drivers/rtc/hctosys.c: unable to open rtc device (rtc0) [ 3.353719] rtc-generic rtc-generic: rtc core: registered rtc-generic as rtc0 root@pole1lp3:~# find /dev -name \*rtc\* /dev/rtc /dev/rtc0 root@pole1lp3:~# hwclock Tue 13 Jan 2015 07:36:15 PM CST -0.779773 seconds root@pole1lp3:~# hwclock --hctosys root@pole1lp3:~# date Tue Jan 13 19:38:05 CST 2015 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/util-linux/+bug/1410604/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp
