Re: sr-iov related bonding regression (two regressions in one report)

From: Bagas Sanjaya
Date: Wed Nov 15 2023 - 08:04:19 EST


On Wed, Nov 15, 2023 at 06:50:26AM +0100, Linux regression tracking (Thorsten Leemhuis) wrote:
> On 15.11.23 01:54, Jay Vosburgh wrote:
> > Bagas Sanjaya <bagasdotme@xxxxxxxxx> wrote:
> >
> >> I come across LACP bonding regression on Bugzilla [1].
>
> Side note: Stephen forwards some (all?) network regressions to the right
> people:
> https://lore.kernel.org/all/20231113083746.5e02f8b0@hermes.local/
>
> Would be best to check for that, no need to forward things twice, that
> just results in a mess.
>
> >> The reporter
> >> (Cc'ed) has two regressions. The first is actual LACP bonding
> >> regression (but terse):
> >>
> >>> Till linkx kernel 6.5.7 it is working fine, but after upgrading to 6.6.1 ping stop working with LACP bonding.
> >>> When we disable SR-IOV from bios , everything working fine
>
> Makes me wonder if things have been working with or without the OOT
> module on 6.5.7, as strictly speaking it's only considered a kernel
> regression if thing worked with a vanilla kernel (e.g. without OOT
> modules) beforehand and broke when switching to a newer vanilla kernel.
> If that's the case it would be okay to add to regzbot.
>
> >> And the second is out-of-tree module FTBFS:
> > [... skip OOT stuff ...]
> >
> >> Should I add the first regression to regzbot (since the second one
> >> is obviously out-of-tree problem), or should I asked detailed regression
> >> info to the reporter?
> >
> > My vote is to get additional information. Given the nature of
> > the workaround ("When we disable SR-IOV from bios , everything working
> > fine"), it's plausible that the underlying cause is something
> > platform-specific.
>
> Maybe, but when it comes to the "no regressions" rule that likely makes
> no difference from Linus perspective.
>
> But I guess unless the intel folks or someone else has an idea what
> might be wrong here we likely need a bisection (with vanilla kernels of
> course) to get anywhere.
>

OK, thanks!

--
An old man doll... just what I always wanted! - Clara

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