linux-kernel - Re: [RFC PATCH v1 08/26] docs: reporting-bugs: make readers check the taint flag

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Message-ID: <05d06d89-ee79-f551-35a4-616eb3864e95@infradead.org>
Date:   Sat, 3 Oct 2020 10:47:21 -0700
From:   Randy Dunlap <rdunlap@...radead.org>
To:     Thorsten Leemhuis <linux@...mhuis.info>,
        Jonathan Corbet <corbet@....net>
Cc:     linux-doc@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [RFC PATCH v1 08/26] docs: reporting-bugs: make readers check the
 taint flag

On 10/3/20 2:56 AM, Thorsten Leemhuis wrote:
> Many thx for you comments. Consider all the obvious spelling and
> grammatical mistakes you pointed out fixed, I won't mention all of them
> in this reply to keep things easier to follow.
> 
> Am 02.10.20 um 19:08 schrieb Randy Dunlap:
>> On 10/1/20 1:39 AM, Thorsten Leemhuis wrote:
> 
>>> +driver, VirtualBox, or other software that installs its own kernel modules: you
>>> +will have to remove these modules and reboot the system, as they might in fact
>>> +be causing the issue you face.
>> You will need to reboot the system and try to reproduce the issue without loading
>> any of these proprietary modules.
> 
> Hmmm. Preventing the Nvidia module from loading without disabling or
> uninstalling the other parts of the graphics driver can easily to a
> situation where the GUI is not starting. And blacklisting all modules
> that VirtualBox needs on the host requires quite a bit of tying at the
> boot loader iirc. So how about this:
> 
> Quite a few kernels are also tainted because an unsuitable kernel module
> was loaded. This for example is the case if you use Nvidia's proprietary
> graphics driver, VirtualBox, or other software that installs its own
> kernel modules, as they might be causing the issue you face. You thus
> have to prevent those modules from loading for the reporting process.
> Most of the time the easiest way to do that is: temporarily uninstall
> such software including any modules they might have installed.
> Afterwards reboot.

Sure, OK.

thanks.
-- 
~Randy