Subject: Re: BUG? flaky "migrate_reuseport/IPv4 TCP_NEW_SYN_RECV reqsk_timer_handler" test

From: Jakub Kicinski <[email-masked]>
Date: Thu, 21 Mar 2024 18:54:42 -0700

On Thu, 21 Mar 2024 18:39:53 -0700 Martin KaFai Lau wrote:
> The bpf CI has recently hit failure in the "migrate_reuseport/IPv4 
> TCP_NEW_SYN_RECV" test. It does not always fail but becomes more flaky recently:
> https://github.com/kernel-patches/bpf/actions/runs/8354884067/job/22869153115

FWIW we had a handful of IPv6 and TCP tests start failing after we
merged first half of the merge window from Linus as well.
Maybe something in the scheduler changed and exposed timing problems
in the tests :(