linux-kernel - Re: [PATCH 6.1 000/634] 6.1.160-rc1 review

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Message-ID: <aWI2qATUQXAW-Bxx@sirena.co.uk>
Date: Sat, 10 Jan 2026 11:23:20 +0000
From: Mark Brown <broonie@...nel.org>
To: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc: Francesco Dolcini <francesco@...cini.it>, stable@...r.kernel.org,
	patches@...ts.linux.dev, linux-kernel@...r.kernel.org,
	torvalds@...ux-foundation.org, akpm@...ux-foundation.org,
	linux@...ck-us.net, shuah@...nel.org, patches@...nelci.org,
	lkft-triage@...ts.linaro.org, pavel@...x.de, jonathanh@...dia.com,
	f.fainelli@...il.com, sudipm.mukherjee@...il.com, rwarsow@....de,
	conor@...nel.org, hargar@...rosoft.com, achill@...ill.org,
	sr@...dewatkins.com
Subject: Re: [PATCH 6.1 000/634] 6.1.160-rc1 review

On Sat, Jan 10, 2026 at 09:53:28AM +0100, Greg Kroah-Hartman wrote:
> On Sat, Jan 10, 2026 at 09:41:42AM +0100, Francesco Dolcini wrote:

> > [   10.427811] Call trace:
> > [   10.430266]  dwmac4_dma_interrupt+0x120/0x270 [stmmac]
> > [   10.435460]  stmmac_interrupt+0xb0/0x150 [stmmac]
> > [   10.440218]  __handle_irq_event_percpu+0x5c/0x170

> Can you run git bisect to find the offending commit?

I've got that board as well and am seeing the issue too, the bisect
comes out at:

[c657c6cbac472125a03d7bfb6137e6e23ebb7081] net: stmmac: protect updates of 64-bit statistics counters

I'm also seeing bisects of similar boot failures pointing to the same
commit on at least i.MX8MP-EVK and Libretech Potato.  Bisect log for the
board Francesco originally reported, the others all look the same:

# bad: [b40085af0da566f50bdc006adfb80480c7a967be] Linux 6.1.160-rc1
# good: [50cbba13faa294918f0e1a9cb2b0aba19f4e6fba] Linux 6.1.159
git bisect start 'b40085af0da566f50bdc006adfb80480c7a967be' '50cbba13faa294918f0e1a9cb2b0aba19f4e6fba'
# test job: [b40085af0da566f50bdc006adfb80480c7a967be] https://lava.sirena.org.uk/scheduler/job/2358072
# bad: [b40085af0da566f50bdc006adfb80480c7a967be] Linux 6.1.160-rc1
git bisect bad b40085af0da566f50bdc006adfb80480c7a967be
# test job: [0eef340004c728d5ed9289b8355b85fd0f746adb] https://lava.sirena.org.uk/scheduler/job/2358118
# good: [0eef340004c728d5ed9289b8355b85fd0f746adb] vhost/vsock: improve RCU read sections around vhost_vsock_get()
git bisect good 0eef340004c728d5ed9289b8355b85fd0f746adb
# test job: [1bc9e80077c9c82a192884190b47e256fd5c2e04] https://lava.sirena.org.uk/scheduler/job/2358164
# good: [1bc9e80077c9c82a192884190b47e256fd5c2e04] fbdev: pxafb: Fix multiple clamped values in pxafb_adjust_timing
git bisect good 1bc9e80077c9c82a192884190b47e256fd5c2e04
# test job: [9a848f3440f502df433309c9bf0e8734a76e8cac] https://lava.sirena.org.uk/scheduler/job/2358225
# good: [9a848f3440f502df433309c9bf0e8734a76e8cac] f2fs: fix to avoid updating compression context during writeback
git bisect good 9a848f3440f502df433309c9bf0e8734a76e8cac
# test job: [c153ef089aa70781cb00b747f8eb078a95c7286a] https://lava.sirena.org.uk/scheduler/job/2358441
# good: [c153ef089aa70781cb00b747f8eb078a95c7286a] net: Remove RTNL dance for SIOCBRADDIF and SIOCBRDELIF.
git bisect good c153ef089aa70781cb00b747f8eb078a95c7286a
# test job: [cb3c86df8622d286df0325ac0398a5923afda0b8] https://lava.sirena.org.uk/scheduler/job/2358497
# good: [cb3c86df8622d286df0325ac0398a5923afda0b8] sched/fair: Small cleanup to sched_balance_newidle()
git bisect good cb3c86df8622d286df0325ac0398a5923afda0b8
# test job: [c5f4e3a377a77899380d01338b945a843ba4d3c0] https://lava.sirena.org.uk/scheduler/job/2358521
# good: [c5f4e3a377a77899380d01338b945a843ba4d3c0] Revert "iommu/amd: Skip enabling command/event buffers for kdump"
git bisect good c5f4e3a377a77899380d01338b945a843ba4d3c0
# test job: [320c50b6fcb19466f63a964c11ef4d5ca0c792d3] https://lava.sirena.org.uk/scheduler/job/2358630
# good: [320c50b6fcb19466f63a964c11ef4d5ca0c792d3] net: stmmac: fix incorrect rxq|txq_stats reference
git bisect good 320c50b6fcb19466f63a964c11ef4d5ca0c792d3
# test job: [c657c6cbac472125a03d7bfb6137e6e23ebb7081] https://lava.sirena.org.uk/scheduler/job/2358871
# bad: [c657c6cbac472125a03d7bfb6137e6e23ebb7081] net: stmmac: protect updates of 64-bit statistics counters
git bisect bad c657c6cbac472125a03d7bfb6137e6e23ebb7081
# test job: [0c900ef4d40a90b1f0995ac3fbee15b9a0771a4b] https://lava.sirena.org.uk/scheduler/job/2358897
# good: [0c900ef4d40a90b1f0995ac3fbee15b9a0771a4b] net: stmmac: fix ethtool per-queue statistics
git bisect good 0c900ef4d40a90b1f0995ac3fbee15b9a0771a4b
# first bad commit: [c657c6cbac472125a03d7bfb6137e6e23ebb7081] net: stmmac: protect updates of 64-bit statistics counters

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