> On 21.11.2017, at 07:39, Miroslav Lichvar <mlich...@redhat.com> wrote: > > On Mon, Nov 20, 2017 at 10:26:55PM +0100, Gernot Nusshall wrote: >> Hi, >> >> i am not sure if i am experiencing a problem with chrony or the linux kernel. >> I want the rtc to be updated with the 11-minute-mode of the linux kernel >> initiated with the chrony option „rtcsync“. >> I was expecting that the rtc is getting updated because the adjtimex output >> set by chrony seems correct and the kernel config options are also set >> correctly, >> is there anything that i am missing? > > The adjtimex --print output shows STA_UNSYNC, but the strace output > shows that it is cleared later, so it should work as expected. It > might be a kernel issue. What kernel version and what architecture is > this? root:~# uname -a Linux test 4.9.51 #19854 SMP PREEMPT Fri Nov 10 12:24:28 UTC 2017 x86_64 GNU/Linux
root:~# dpkg -l | grep chrony ii chrony 3.0-4+deb9u1 amd64 Versatile implementation of the Network Time Protocol > Beside the CONFIG_RTC_SYSTOHC option there is also > CONFIG_GENERIC_CMOS_UPDATE, which I think is used on x86_64. 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_DRV_RV8803=y # CONFIG_RTC_DRV_CMOS is not set We have two rtc on our board and only one of them is battery backed. In order to work properly we had to disable the non-battery rtc with CONFIG_RTC_DRV_CMOS and enable the battery-backed rtc explicitly with CONFIG_RTC_DRV_RV8803=y thank you! > > -- > Miroslav Lichvar > > -- > To unsubscribe email chrony-users-requ...@chrony.tuxfamily.org > with "unsubscribe" in the subject. > For help email chrony-users-requ...@chrony.tuxfamily.org > with "help" in the subject. > Trouble? Email listmas...@chrony.tuxfamily.org. >
