:: Re: [DNG] /lib/modules on separate …
Inizio della pagina
Delete this message
Reply to this message
Autore: Marc Shapiro
Data:  
To: dng
Nuovi argomenti: Re: [DNG] /lib/modules on separate partition? (MOSTLY SOLVED)
Oggetto: Re: [DNG] /lib/modules on separate partition?

On 11/20/22 21:01, Steve Litt wrote:
> Marc Shapiro via Dng said on Sun, 20 Nov 2022 19:14:15 -0800
>
>> On 11/20/22 17:48, Gregory Nowak wrote:
>>> On Sun, Nov 20, 2022 at 03:44:46PM -0800, Marc Shapiro via Dng
>>> wrote:
>>>> On 11/20/22 14:31, Gregory Nowak wrote:
>>>>> On Sat, Nov 19, 2022 at 08:55:06PM -0800, Marc Shapiro via Dng
>>>>> wrote:
>>>>>> Is there a way to have the system mount /lib/modules immediately
>>>>>> after mounting / and before loading the remaining kernel modules?
>>>>>> Or even better, is there a way to have all modules that should be
>>>>>> loaded during the boot process come from the initrd?
>>>>> You already got the answer on how to include all needed modules in
>>>>> the initrd. As for mounting /lib/modules right after /, add a line
>>>>> similar to the following in /etc/fstab right below the entry for /:
>>>>>
>>>>> /dev/group-lvm /lib/modules ext4 defaults 0 1
>>>>>
>>>>> This should cause /lib/modules to be mounted right after /. Replace
>>>>> /dev/group-lvm with the volume containing /lib/modules. Also adjust
>>>>> the file system type to whatever fs you're using.
>>>> That was the first thing that I tried, since it would be the
>>>> easiest and not required any additional steps when a new kernel is
>>>> installed. Unfortunately, /lib/modules still mounts along with all
>>>> the rest of my partitions, after the modules are loaded.
>>> So almost certainly, the modules are being loaded and the root fs is
>>> being mounted in the initrd, before /etc/fstab gets read. Including
>>> all the modules in the initrd maybe your only option then.
>>>
>>> Greg
>> I found another way, which works on Debian Stretch, but not on Devuan
>> Beowulf:
>>
>> I got the list of modules, as Tito suggested, but instead of updating
>> the initrd, I put the list of modules into /etc/modules. In Stretch,
>> this causes them to load after /lib/modules is mounted and everything
>> works as it should.  For some reason, though, it does not work for
>> Beowulf.
> That's an excellent idea. It might be easy to find out why it doesn't
> work with Devuan, and then either the distro fixes it or you provide
> some sort of solution or workaround.
>
> Also, it seems to me that you could provide, either as a sysvinit start
> script or an addition to the runit stage 1 script, a loop that modprobes
> everything in /etc/modules.
>
> Personally, I wouldn't mess with an initrd if you paid me. It's a black
> box very hard to understand or troubleshoot. Your solution seems a
> whole lot better.
>
> SteveT


Yeah, messing with the initrd is just something I don't think I want to
do.  If you have any ideas as to why putting the module name is
/etc/modules doesn't work, or how to figure it out, I would continue
playing around with that, but, otherwise, I think I'm done.

Marc