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[Bug 1718262] Re: [linux-azure] RTC options not present in kernel config

 

** Also affects: linux-azure (Ubuntu Xenial)
   Importance: Undecided
       Status: New

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https://bugs.launchpad.net/bugs/1718262

Title:
  [linux-azure] RTC options not present in kernel config

Status in linux-azure package in Ubuntu:
  Fix Committed
Status in linux-azure source package in Xenial:
  New

Bug description:
  In the time sync NTP automation we depend on an initial RTC time sync,
  but skipping that check works fine for the rest of the test.

  The question is if the RTC change is to be expected, as we might have
  to modify the automation to use the system clock sync instead of RTC
  sync before the rest of the NTP test.

  As RTC support is not enabled in the azure kernel, all system/proc
  devices for RTC are missing.

  ---UBUNTU 17.10---
  root@ubuntu:~# cat /boot/config-4.12.0-13-generic | grep RTC
  CONFIG_HPET_EMULATE_RTC=y
  CONFIG_PM_TRACE_RTC=y
  CONFIG_RTC_LIB=y
  CONFIG_RTC_MC146818_LIB=y
  CONFIG_RTC_CLASS=y
  CONFIG_RTC_HCTOSYS=y
  CONFIG_RTC_HCTOSYS_DEVICE="rtc0"
  CONFIG_RTC_SYSTOHC=y
  CONFIG_RTC_SYSTOHC_DEVICE="rtc0"
  # CONFIG_RTC_DEBUG is not set
  # RTC interfaces
  CONFIG_RTC_INTF_SYSFS=y
  CONFIG_RTC_INTF_PROC=y
  CONFIG_RTC_INTF_DEV=y
  # CONFIG_RTC_INTF_DEV_UIE_EMUL is not set
  # CONFIG_RTC_DRV_TEST is not set
  # I2C RTC drivers
  CONFIG_RTC_DRV_88PM860X=m
  CONFIG_RTC_DRV_88PM80X=m
  CONFIG_RTC_DRV_ABB5ZES3=m
  CONFIG_RTC_DRV_ABX80X=m
  CONFIG_RTC_DRV_DS1307=m
  CONFIG_RTC_DRV_DS1307_HWMON=y
  CONFIG_RTC_DRV_DS1307_CENTURY=y
  CONFIG_RTC_DRV_DS1374=m
  CONFIG_RTC_DRV_DS1374_WDT=y
  CONFIG_RTC_DRV_DS1672=m
  CONFIG_RTC_DRV_LP8788=m
  CONFIG_RTC_DRV_MAX6900=m
  CONFIG_RTC_DRV_MAX8907=m
  CONFIG_RTC_DRV_MAX8925=m
  CONFIG_RTC_DRV_MAX8998=m
  CONFIG_RTC_DRV_MAX8997=m
  CONFIG_RTC_DRV_RS5C372=m
  CONFIG_RTC_DRV_ISL1208=m
  CONFIG_RTC_DRV_ISL12022=m
  CONFIG_RTC_DRV_X1205=m
  CONFIG_RTC_DRV_PCF8523=m
  CONFIG_RTC_DRV_PCF85063=m
  CONFIG_RTC_DRV_PCF8563=m
  CONFIG_RTC_DRV_PCF8583=m
  CONFIG_RTC_DRV_M41T80=m
  CONFIG_RTC_DRV_M41T80_WDT=y
  CONFIG_RTC_DRV_BQ32K=m
  CONFIG_RTC_DRV_PALMAS=m
  CONFIG_RTC_DRV_TPS6586X=m
  CONFIG_RTC_DRV_TPS65910=m
  CONFIG_RTC_DRV_TPS80031=m
  CONFIG_RTC_DRV_RC5T583=m
  CONFIG_RTC_DRV_S35390A=m
  CONFIG_RTC_DRV_FM3130=m
  CONFIG_RTC_DRV_RX8010=m
  CONFIG_RTC_DRV_RX8581=m
  CONFIG_RTC_DRV_RX8025=m
  CONFIG_RTC_DRV_EM3027=m
  CONFIG_RTC_DRV_RV8803=m
  CONFIG_RTC_DRV_S5M=m
  # SPI RTC drivers
  CONFIG_RTC_DRV_M41T93=m
  CONFIG_RTC_DRV_M41T94=m
  CONFIG_RTC_DRV_DS1302=m
  CONFIG_RTC_DRV_DS1305=m
  CONFIG_RTC_DRV_DS1343=m
  CONFIG_RTC_DRV_DS1347=m
  CONFIG_RTC_DRV_DS1390=m
  CONFIG_RTC_DRV_MAX6916=m
  CONFIG_RTC_DRV_R9701=m
  CONFIG_RTC_DRV_RX4581=m
  CONFIG_RTC_DRV_RX6110=m
  CONFIG_RTC_DRV_RS5C348=m
  CONFIG_RTC_DRV_MAX6902=m
  CONFIG_RTC_DRV_PCF2123=m
  CONFIG_RTC_DRV_MCP795=m
  CONFIG_RTC_I2C_AND_SPI=y
  # SPI and I2C RTC drivers
  CONFIG_RTC_DRV_DS3232=m
  CONFIG_RTC_DRV_PCF2127=m
  CONFIG_RTC_DRV_RV3029C2=m
  CONFIG_RTC_DRV_RV3029_HWMON=y
  # Platform RTC drivers
  CONFIG_RTC_DRV_CMOS=y
  CONFIG_RTC_DRV_DS1286=m
  CONFIG_RTC_DRV_DS1511=m
  CONFIG_RTC_DRV_DS1553=m
  CONFIG_RTC_DRV_DS1685_FAMILY=m
  CONFIG_RTC_DRV_DS1685=y
  # CONFIG_RTC_DRV_DS1689 is not set
  # CONFIG_RTC_DRV_DS17285 is not set
  # CONFIG_RTC_DRV_DS17485 is not set
  # CONFIG_RTC_DRV_DS17885 is not set
  # CONFIG_RTC_DS1685_PROC_REGS is not set
  # CONFIG_RTC_DS1685_SYSFS_REGS is not set
  CONFIG_RTC_DRV_DS1742=m
  CONFIG_RTC_DRV_DS2404=m
  CONFIG_RTC_DRV_DA9052=m
  CONFIG_RTC_DRV_DA9055=m
  CONFIG_RTC_DRV_DA9063=m
  CONFIG_RTC_DRV_STK17TA8=m
  CONFIG_RTC_DRV_M48T86=m
  CONFIG_RTC_DRV_M48T35=m
  CONFIG_RTC_DRV_M48T59=m
  CONFIG_RTC_DRV_MSM6242=m
  CONFIG_RTC_DRV_BQ4802=m
  CONFIG_RTC_DRV_RP5C01=m
  CONFIG_RTC_DRV_V3020=m
  CONFIG_RTC_DRV_WM831X=m
  CONFIG_RTC_DRV_WM8350=m
  CONFIG_RTC_DRV_PCF50633=m
  CONFIG_RTC_DRV_AB3100=m
  # on-CPU RTC drivers
  CONFIG_RTC_DRV_PCAP=m
  CONFIG_RTC_DRV_MC13XXX=m
  CONFIG_RTC_DRV_MT6397=m
  # HID Sensor RTC drivers
  CONFIG_RTC_DRV_HID_SENSOR_TIME=m
  CONFIG_INTEL_SMARTCONNECT=m
  root@ubuntu:~#
  root@ubuntu:~#
  root@ubuntu:~# cat /boot/config-4.12.0-13-generic | grep rtc
  CONFIG_RTC_HCTOSYS_DEVICE="rtc0"
  CONFIG_RTC_SYSTOHC_DEVICE="rtc0"

  ---1009-azure---
  root@xenial:~# cat /boot/config-4.11.0-1009-azure | grep RTC
  CONFIG_INTEL_SMARTCONNECT=m
  CONFIG_PM_TRACE_RTC=y
  # CONFIG_RTC_CLASS is not set
  CONFIG_RTC_LIB=y
  CONFIG_RTC_MC146818_LIB=y
  root@xenial:~#
  root@xenial:~#
  root@xenial:~#
  root@xenial:~# cat /boot/config-4.11.0-1009-azure | grep rtc

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