touch-packages team mailing list archive

[Dave Heller <hellerda@xxxxxxxxxxxxxxxxxx>]

Setting to package "init" on LP side, as it appears to be an init issue
rather than a kernel issue.

** Package changed: ubuntu => init-system-helpers (Ubuntu)

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https://bugs.launchpad.net/bugs/1410604

Title:
  ISST-LTE: unable to open rtc device

Status in init-system-helpers package in Ubuntu:
  New

Bug description:
  == Comment: #0 - Chanh H. Nguyen <chnguyen@xxxxxxxxxx> - 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 <hellerda@xxxxxxxxxx> - 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

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