James Clark

With NUMA disabled

The first result (more than 4 seconds offset) was with latest firmware and nothing added to the firmware config, so NUMA enabled.

With SDRAM_BANKLOW=1, I get -26605883ns (so -26,605,883ns = 0.02s). With SDRAM_BANKLOW=2, I get 460105087ns (so 460,105,087ns = 0.4s). With SDRAM_BANKLOW=-1, I get 640659702ns (so 640,659,702ns =0.6s). Note that in all...

Wireshark shows clearly that the problem is that the hardware transmit timestamps from the CM5 are incorrect. After some quality time with bpftrace, I think I know what is going...

Right: the CM5 has a `/dev/ptp0` (like the `/dev/ptp0` on the CM4) and a `/dev/ptp1` (like the `/dev/ptp0` on the Pi5).

I just did an update to `next` (using `sudo rpi-update next`), and it is now working. The test above gives a difference of 0.5 milliseconds, which is about right. uname...

@geerlingguy I posted it on the forum thread where they invited feedback on the 6.12 kernel https://forums.raspberrypi.com/viewtopic.php?t=379745&start=100#p2287594. Hopefully that will put it on their radar and encourage them to move...

@Waynechen026 Are you using the tx_timestamp_timeout option? This is still needed. I usually use 100. If you still get the error, open a new issue with full details of your...

More precisely, if you convert that structure to a string in JSON format and then parse that string back into a structure, your graph structure will have been turned into...

This relates to #338. We do not want to preserve the identity of all records: only those that represent "entities". For example, in the linked example `Date` is not an...