https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=268400
--- Comment #17 from Daniel Ponte <ami...@gmail.com> ---
I know, which is why I am somewhat stumped, here.
15:49:07.223007 IP (tos 0x0, ttl 54, id 0, offset 0, flags [DF], proto TCP (6),
length 40)
71.xxx.xxx.xxx.443 > 67.yyy.yyy.yyy.13889: Flags [R], cksum 0xbbe1
(correct), seq 1468723210, win 0, length 0
15:49:13.723854 IP (tos 0x0, ttl 54, id 0, offset 0, flags [DF], proto TCP (6),
length 1500)
71.xxx.xxx.xxx.443 > 67.yyy.yyy.yyy.52767: Flags [.], cksum 0x06e1
(incorrect -> 0xe541), seq 6527:7975, ack 823, win 1027, options [nop,nop,TS
val 739004335 ecr 3884435406], length 1448
15:49:29.282814 IP (tos 0x0, ttl 54, id 0, offset 0, flags [DF], proto TCP (6),
length 52)
71.xxx.xxx.xxx.443 > 67.yyy.yyy.yyy.52767: Flags [R.], cksum 0x2746
(correct), seq 14417, ack 823, win 0, options [nop,nop,TS val 739019895 ecr
3884435406], length 0
15:49:29.282858 IP (tos 0x0, ttl 64, id 0, offset 0, flags [DF], proto TCP (6),
length 52)
67.yyy.yyy.yyy.52767 > 71.xxx.xxx.xxx.443: Flags [.], cksum 0x7494
(incorrect -> 0x4bbf), seq 823, ack 6527, win 1026, options [nop,nop,TS val
3884512321 ecr 738940511], length 0
15:49:29.297044 IP (tos 0x0, ttl 54, id 0, offset 0, flags [DF], proto TCP (6),
length 40)
71.xxx.xxx.xxx.443 > 67.yyy.yyy.yyy.52767: Flags [R], cksum 0xeabd
(correct), seq 190739836, win 0, length 0
The 71.xxx host is the machine that had this patch applied. I have modified the
patch to wrap the mb_unmapped_to_ext and goto in a conditional for a sysctl.
KTLS appears to work again with no checksum problems, but I will also wait to
see whether the machine crashes, in case my sysctl is broken.
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