Hi, On 02/01/2020 22:17:26+0500, Mikhail Gavrilov wrote: > On Thu, 2 Jan 2020 at 21:59, J William Piggott <elseifthen@xxxxxxx> wrote: > > > > You've demonstrated that 'hwclock -w' does not 'reset' the RTC. > > > > Does your new motherboard use a battery backup for the RTC? > > Is the battery good? > > > > If you look carefully demonstration the RTC 'reset' happens after > reboot __only__ when 'hwclock -w' have been entered before reboot. > So if I reboot the computer without 'hwclock -w' the RTC will be not reset. > What is your kernel version? -- Alexandre Belloni, Bootlin Embedded Linux and Kernel engineering https://bootlin.com