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

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Date:   Thu, 20 May 2021 18:34:49 +0530
From:   Naresh Kamboju <naresh.kamboju@...aro.org>
To:     Thomas Gleixner <tglx@...utronix.de>
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, 20 May 2021 at 18:21, Thomas Gleixner <tglx@...utronix.de> wrote:
>
> 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?

Attached dmesg and test log in a single file and short url.
http://ix.io/3nnQ

- Naresh

View attachment "mm-move_page_tables-dmesg-test-log.txt" of type "text/plain" (85827 bytes)