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Date: Tue, 27 Feb 2024 09:53:42 +0100 From: Paolo Abeni <pabeni@...hat.com> To: Kui-Feng Lee <sinquersw@...il.com>, Jakub Kicinski <kuba@...nel.org>, Kui-Feng Lee <thinker.li@...il.com> Cc: netdev@...r.kernel.org, ast@...nel.org, martin.lau@...ux.dev, kernel-team@...a.com, davem@...emloft.net, dsahern@...nel.org, kuifeng@...a.com Subject: Re: [PATCH net-next] selftests/net: force synchronized GC for a test. On Fri, 2024-02-23 at 20:40 -0800, Kui-Feng Lee wrote: > > On 2/23/24 18:21, Jakub Kicinski wrote: > > On Fri, 23 Feb 2024 00:13:46 -0800 Kui-Feng Lee wrote: > > > Due to the slowness of the test environment > > > > Would be interesting if it's slowness, because it failed 2 times > > on the debug runner but 5 times on the non-debug one. We'll see. > > The code was landed on Feb 12, 2024. > It is actually 1 time with debug runner but 3 times on the non-debug > one. 1 time with debug runner and 2 times with the non-debug runner > happened in a 12 hours period. The only failure in a debug run was causes by an unrelated issue: https://netdev-3.bots.linux.dev/vmksft-net-dbg/results/467362/7-fib-tests-sh/stdout (grep for UBSAN) Basically the problems happens quite sporadically only in "fast" env. I think it's worthy a deeper investigation (it sounds like a race somewhere). I guess/hope then raising the number of temporary and permanent routes created by the relevant test-case could help making the issue more easily reproducible. Thanks, Paolo
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