linux-kernel - Re: autofs: add autofs_parse

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Message-ID: <5e4f0e11-1896-041c-3b32-c05af91d1526@themaw.net>
Date:   Fri, 20 Oct 2023 20:37:44 +0800
From:   Ian Kent <raven@...maw.net>
To:     Arnd Bergmann <arnd@...db.de>,
        Naresh Kamboju <naresh.kamboju@...aro.org>,
        open list <linux-kernel@...r.kernel.org>,
        lkft-triage@...ts.linaro.org, linux-fsdevel@...r.kernel.org,
        autofs@...r.kernel.org
Cc:     Bill O'Donnell <bodonnel@...hat.com>,
        Christian Brauner <brauner@...nel.org>,
        Dan Carpenter <dan.carpenter@...aro.org>,
        Anders Roxell <anders.roxell@...aro.org>
Subject: Re: autofs: add autofs_parse_fd()

On 20/10/23 14:36, Arnd Bergmann wrote:
> On Thu, Oct 19, 2023, at 17:27, Naresh Kamboju wrote:
>> The qemu-x86_64 and x86_64 booting with 64bit kernel and 32bit rootfs we call
>> it as compat mode boot testing. Recently it started to failed to get login
>> prompt.
>>
>> We have not seen any kernel crash logs.
>>
>> Anders, bisection is pointing to first bad commit,
>> 546694b8f658 autofs: add autofs_parse_fd()
>>
>> Reported-by: Linux Kernel Functional Testing <lkft@...aro.org>
>> Reported-by: Anders Roxell <anders.roxell@...aro.org>
> I tried to find something in that commit that would be different
> in compat mode, but don't see anything at all -- this appears
> to be just a simple refactoring of the code, unlike the commits
> that immediately follow it and that do change the mount
> interface.
>
> Unfortunately this makes it impossible to just revert the commit
> on top of linux-next. Can you double-check your bisection by
> testing 546694b8f658 and the commit before it again?
>
> What are the exact mount options you pass to autofs in your fstab?

I've only just seen this report, sorry about that.


I'll have a go at trying to reproduce it but debugging in an environment

like this will be something of a challenge I think.


Ian