Keep initrd tasks running?

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Phillip Susi wrote:
> I am confused.  I thought that once the initramfs init execs the real
> init, the initramfs is freed.  It can't be freed if there are processes
> that still have open files there, so that would seem to prevent any
> processes being started in the initramfs and continuing after the real
> system is booted.
> 

AFAIK it's pivoted and then umounted, which frees it.  This doesn't mean
it has to be freed..  . .

> Jeff Bailey wrote:
> 
>> This is much more easily supported in Breezy.  usplash is started at the
>> top of the initramfs (from the init-top hook) and lives until we start
>> gdm.
>>
>> The biggest constraint is that you don't have write access to the target
>> root filesystem (since it's mounted readonly).  However, /dev is a tmpfs
>> that is move mounted to the new root system.  If you need to have
>> sockets open or store data, you can use that.  usplash does this for its
>> socket.
>>
>> Note that the initramfs startup sequence isn't at all similar to the old
>> initrd startups.  It should be easy for you to cleanly add what you want
>> under /etc/mkinitramfs/scripts and not have to modify the
>> initramfs-tools package.  /usr/share/doc/initramfs-tools/HACKING
>> contains some starter information.
>>
>> Hope this helps!
>>
>> Tks,
>> Jeff Bailey
>>
>>
>>
>>
>>
>>  
>>
> 
> 

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