From: Mark Brown <broonie@kernel.org>
To: Kevin Hilman <khilman@baylibre.com>, Christoph Hellwig <hch@lst.de>
Cc: Steven Liu <steven.liu@mediatek.com>,
kernel-build-reports@lists.linaro.org,
Catalin Marinas <catalin.marinas@arm.com>,
linux-mediatek@lists.infradead.org,
Matthias Brugger <matthias.bgg@gmail.com>,
Will Deacon <will@kernel.org>,
linux-arm-kernel@lists.infradead.org
Subject: Re: next/master boot: 310 boots: 11 failed, 292 passed with 6 offline, 1 untried/unknown (next-20190904)
Date: Thu, 5 Sep 2019 16:39:38 +0100 [thread overview]
Message-ID: <20190905153938.GB4053@sirena.co.uk> (raw)
In-Reply-To: <7hzhjjsime.fsf@baylibre.com>
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On Wed, Sep 04, 2019 at 05:15:53PM -0700, Kevin Hilman wrote:
> [ + Steven Liu who donated this board to my kernelCI lab ]
Also adding Christoph since this was bisected to his commit and Catalin
and Will since this was an architecture change.
> Mark Brown <broonie@kernel.org> writes:
> > On Wed, Sep 04, 2019 at 12:05:57PM -0700, kernelci.org bot wrote:
> > Since 30th August -next fails to boot with no kernel output on
> > mt7622-rfb1:
...
> > There's logging from ATF so it looks like we try to boot the kernel:
> >
> > Starting kernel ...
> >
> > [ATF][ 36.199793]save kernel info
> > [ATF][ 36.202824]Kernel_EL2
> > [ATF][ 36.205580]Kernel is 64Bit
> > [ATF][ 36.208768]pc=0x40080000, r0=0x5cf48000, r1=0x0
> > INFO: BL3-1: Preparing for EL3 exit to normal world, Kernel
> > INFO: BL3-1: Next image address = 0x40080000
> > INFO: BL3-1: Next image spsr = 0x3c9
> > [ATF][ 36.227037]el3_exit
> > but no output. More details including full logs at:
> >
> > https://kernelci.org/boot/id/5d6fe70059b514164ef1224d/
> > https://kernelci.org/boot/id/5d6fe6e259b514164ef12243/
>
> Bisected down to this commit[1], full bisect log here[2]. It didn't
> revert cleanly on top of next-20190904, so I didn't get any further.
> [1]
> 419e2f1838819e954071dfa1d1f820ab3386ada1 is the first bad commit
> commit 419e2f1838819e954071dfa1d1f820ab3386ada1
> Author: Christoph Hellwig <hch@lst.de>
> Date: Mon Aug 26 09:03:44 2019 +0200
>
> dma-mapping: remove arch_dma_mmap_pgprot
>
> arch_dma_mmap_pgprot is used for two things:
>
> 1) to override the "normal" uncached page attributes for mapping
> memory coherent to devices that can't snoop the CPU caches
> 2) to provide the special DMA_ATTR_WRITE_COMBINE semantics on older
> arm systems and some mips platforms
>
> Replace one with the pgprot_dmacoherent macro that is already provided
> by arm and much simpler to use, and lift the DMA_ATTR_WRITE_COMBINE
> handling to common code with an explicit arch opt-in.
>
> Signed-off-by: Christoph Hellwig <hch@lst.de>
> Acked-by: Geert Uytterhoeven <geert@linux-m68k.org> # m68k
> Acked-by: Paul Burton <paul.burton@mips.com> # mips
>
> arch/arm/Kconfig | 2 +-
> arch/arm/mm/dma-mapping.c | 6 ------
> arch/arm64/Kconfig | 1 -
> arch/arm64/include/asm/pgtable.h | 4 ++++
> arch/arm64/mm/dma-mapping.c | 6 ------
> arch/m68k/Kconfig | 1 -
> arch/m68k/include/asm/pgtable_mm.h | 3 +++
> arch/m68k/kernel/dma.c | 3 +--
> arch/mips/Kconfig | 2 +-
> arch/mips/mm/dma-noncoherent.c | 8 --------
> include/linux/dma-noncoherent.h | 13 +++++++++++--
> kernel/dma/Kconfig | 12 +++++++++---
> kernel/dma/mapping.c | 8 +++++---
> 13 files changed, 35 insertions(+), 34 deletions(-)
> bisect run success
>
> [2]
> $ git bisect log
> git bisect start
> # bad: [35394d031b710e832849fca60d0f53b513f0c390] Add linux-next specific files for 20190904
> git bisect bad 35394d031b710e832849fca60d0f53b513f0c390
> # good: [089cf7f6ecb266b6a4164919a2e69bd2f938374a] Linux 5.3-rc7
> git bisect good 089cf7f6ecb266b6a4164919a2e69bd2f938374a
> # bad: [493424779be81b03fb4aca89cc05ba95e9fc0c31] Merge remote-tracking branch 'crypto/master'
> git bisect bad 493424779be81b03fb4aca89cc05ba95e9fc0c31
> # bad: [58a02f90fddfdc9e4dfbd6579ff788ffdc22afe4] Merge remote-tracking branch 'hid/for-next'
> git bisect bad 58a02f90fddfdc9e4dfbd6579ff788ffdc22afe4
> # bad: [27c3f6e1d84b47def9060fd481be92838d819a9b] Merge remote-tracking branch 'csky/linux-next'
> git bisect bad 27c3f6e1d84b47def9060fd481be92838d819a9b
> # good: [f119c164735d85f2a41d14503cb9933d219c539e] arm-soc: document merges
> git bisect good f119c164735d85f2a41d14503cb9933d219c539e
> # bad: [e87b432d6c45697defc03eb69261661060c85245] Merge remote-tracking branch 'actions/for-next'
> git bisect bad e87b432d6c45697defc03eb69261661060c85245
> # good: [1ab97157f64dadb44d029096c6a92305d6631ab2] Merge remote-tracking branch 'kbuild/for-next'
> git bisect good 1ab97157f64dadb44d029096c6a92305d6631ab2
> # good: [ac12cf85d682a2c1948210c65f7fb21ef01dd9f6] Merge branches 'for-next/52-bit-kva', 'for-next/cpu-topology', 'for-next/error-injection', 'for-next/perf', 'for-next/psci-cpuidle', 'for-next/rng', 'for-next/smpboot', 'for-next/tbi' and 'for-next/tlbi' into for-next/core
> git bisect good ac12cf85d682a2c1948210c65f7fb21ef01dd9f6
> # bad: [4934d349f6e5afc9345a44acb0daa3066594088a] Merge remote-tracking branch 'asm-generic/master'
> git bisect bad 4934d349f6e5afc9345a44acb0daa3066594088a
> # good: [5251a1c90f7f4e458dc3154920e09624311f54b6] Merge remote-tracking branch 'compiler-attributes/compiler-attributes'
> git bisect good 5251a1c90f7f4e458dc3154920e09624311f54b6
> # skip: [38c38cb73223218f6eedf485280917af1f8a0af2] mmc: queue: use bigger segments if DMA MAP layer can merge the segments
> git bisect skip 38c38cb73223218f6eedf485280917af1f8a0af2
> # bad: [419e2f1838819e954071dfa1d1f820ab3386ada1] dma-mapping: remove arch_dma_mmap_pgprot
> git bisect bad 419e2f1838819e954071dfa1d1f820ab3386ada1
> # good: [5518ea1ad2c0c7f38d067f621d9349e6a11c8879] unicore32: remove the unused pgprot_dmacoherent define
> git bisect good 5518ea1ad2c0c7f38d067f621d9349e6a11c8879
> # good: [b898e50f9f49f7d90f3bca94ac046145072034a2] arm-nommu: remove the unused pgprot_dmacoherent define
> git bisect good b898e50f9f49f7d90f3bca94ac046145072034a2
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next prev parent reply other threads:[~2019-09-05 15:39 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <5d700b15.1c69fb81.2abcd.479b@mx.google.com>
2019-09-04 19:27 ` next/master boot: 310 boots: 11 failed, 292 passed with 6 offline, 1 untried/unknown (next-20190904) Mark Brown
2019-09-05 0:15 ` Kevin Hilman
2019-09-05 15:39 ` Mark Brown [this message]
2019-09-05 15:40 ` Christoph Hellwig
2019-09-05 15:43 ` Mark Brown
2019-09-05 17:02 ` Catalin Marinas
2019-09-05 19:43 ` Kevin Hilman
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