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From:   Naresh Kamboju <naresh.kamboju@linaro.org>
Date:   Mon, 21 Nov 2022 21:17:18 +0530
Message-ID: <CA+G9fYuYashEQsCfScoVbVqAxeXC4w6VnenO-5dHDH8OEfFBTQ@mail.gmail.com>
Subject: Re: [PATCH] arm64/mm: Drop redundant BUG_ON(!pgtable_alloc)
To:     open list <linux-kernel@vger.kernel.org>,
        lkft-triage@lists.linaro.org, regressions@lists.linux.dev
Cc:     Catalin Marinas <catalin.marinas@arm.com>,
        Will Deacon <will@kernel.org>,
        Mark Rutland <mark.rutland@arm.com>,
        Andrew Morton <akpm@linux-foundation.org>,
        Linux ARM <linux-arm-kernel@lists.infradead.org>,
        Anshuman Khandual <anshuman.khandual@arm.com>,
        Nathan Chancellor <nathan@kernel.org>,
        Mark Brown <broonie@kernel.org>,
        Anders Roxell <anders.roxell@linaro.org>
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LKFT detected arm64 boot regression on today's Linux next-20221121 tag.
The Kernel boot log did not show anything on the serial console.

Anders bisected this problem and found the subject commit is the
first bad commit.

# first bad commit: [9ed2b4616d4e846ece2a04cb5007ce1d1bd9e3f3]
        arm64/mm: Drop redundant BUG_ON(!pgtable_alloc)

Later it was found this lore link which was already reported [1].

ref:
[1] https://lore.kernel.org/all/Y3pS5fdZ3MdLZ00t@dev-arch.thelio-3990X/


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Linaro LKFT
https://lkft.linaro.org