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- To: chrony-users@xxxxxxxxxxxxxxxxxxxx
- Subject: Re: [chrony-users] Shared PTP clock
- From: Miroslav Lichvar <mlichvar@xxxxxxxxxx>
- Date: Thu, 9 Mar 2023 16:38:44 +0100
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On Tue, Nov 29, 2022 at 11:17:30AM +0100, Miroslav Lichvar wrote:
> However, the ice driver (used for E810) currently doesn't work well
> with vclocks due to a locking issue. There are frequent "BUG:
> scheduling while atomic" errors reported. It was reported on the
> wired-lan list and it might be fixed with some planned changes soon.
This issue is fixed in 6.3-rc1.
> There is also an issue with large delays in getting of the TX
> timestamp on the E810. It sometimes takes tens of milliseconds for the
> timestamp to be available, which causes frequent fallbacks to software
> timestamping. Not an ideal HW for NTP, at least with the current
> driver/firmware.
The latest code has a new hwtstimeout option to configure the time
chronyd waits for the TX timestamp.
--
Miroslav Lichvar
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