On 12/08/2022 08:31, Graeme Coates via Exim-users wrote:
> generic-segmentation-offload: on
^^^^
This might still be enabling transmit using >MTU from the kernel to the NIC.
Get a pcap to check; any >1500 byte packets being sent?
I agree with Viktor though - it's a Linux kernel bug. I worked
up a nice analysis and posted it last night, but it's not appeared
on the list yet; either stuck in moderation or dropped due to the
graphic attachment, I guess.
I lean more towards a TCP endpoint software bug than an offload
bug, from that analysis.
--
Cheers,
Jeremy
