linux-kernel - Re: BUG: unable to handle page fault for address

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Date:   Thu, 20 May 2021 14:51:48 +0200
From:   Thomas Gleixner <tglx@...utronix.de>
To:     Naresh Kamboju <naresh.kamboju@...aro.org>
Cc:     LKML <linux-kernel@...r.kernel.org>, linux-mm <linux-mm@...ck.org>,
        lkft-triage@...ts.linaro.org,
        Andrew Morton <akpm@...ux-foundation.org>,
        Ira Weiny <ira.weiny@...el.com>,
        Oliver Sang <oliver.sang@...el.com>,
        Chaitanya Kulkarni <Chaitanya.Kulkarni@....com>,
        X86 ML <x86@...nel.org>, Kalesh Singh <kaleshsingh@...gle.com>
Subject: Re: BUG: unable to handle page fault for address - EIP: __kmap_local_page_prot

On Thu, May 20 2021 at 12:40, Naresh Kamboju wrote:
> On Thu, 20 May 2021 at 00:20, Thomas Gleixner <tglx@...utronix.de> wrote:
>
> The below patch did not solve the reported problem.
> after applying this patch
> CONFIG_HAVE_MOVE_PUD
> disappeared from the config.
> but still i see WARNING: and BUG: when running LTP mm tests.

Yes, but that's a different warning ....

> Test log link,
> FYI,
> i386 kernel Image running on x86_64 machine.
> https://lkft.validation.linaro.org/scheduler/job/2749690#L10139

Sorry, but this webpage is making my browser go apeshit and finding
anything in that gunk of user space messages is a pain. Can we please
have a proper plain dmesg?

Thanks,

        tglx