Re: [4.14] Failing selftest timer/adjtick

Greg KH
2021-02-10T13:03:17Z

On Wed, Feb 10, 2021 at 01:43:10PM +0100, Joerg Vehlow wrote:
> Hi,
>
> we found that on the selftest timer/adjtick fails on arm64 (tested on some
> renesas board and in qemu) quite frequently.
> By bisecting the kernel I found that it stopped failing after commit
> 78b98e3c5a66 (timekeeping/ntp: Determine the multiplier directly from NTP
> tick length).
> Should this patch be applied to 4.14 and is it even possible or could it
> break something else?

Have you tried applying it to that tree to see if it solves your problem
and works properly? If so, please feel free to provide a working
backported copy, with your signed-off-by and we can consider it.

But, why not just use 4.19 or newer on that system?

thanks,

greg k-h