Hi,

FYI, here's the patch for adding back pre-2.6.26 kernel support and fix some 
char devices creation as block ones.

Best Regards, Vladislav Grishenko

-----Original Message-----
From: busybox [mailto:[email protected]] On Behalf Of Rob Landley
Sent: Friday, March 31, 2017 4:10 AM
To: Peter Korsgaard <[email protected]>; Ralf Friedl <[email protected]>
Cc: [email protected]
Subject: Re: mdev change no longer supporting v2.6.2x kernels by using /sys/dev

On 03/30/2017 02:34 PM, Peter Korsgaard wrote:
>>>>>> "Ralf" == Ralf Friedl <[email protected]> writes:
> 
> Hi,
> 
>>> /sys/dev support got added in 2.6.27-rc1 (July 2008), E.G. ~9 years ago:
> 
>  > Busybox is often used in embedded devices, where kernels (and other  
> > software) are not changed that often. Firmware may contain kernel  > 
> modules without full source, so a change to a newer kernel is not an  
> > option. As an example, I have a router with kernel 2.6.13. I can't  
> > update the kernel, but I can replace the busybox with a newer 
> version  > (and much more applets) than the original.
> 
> True, but generally you will run into a number of issues when you 
> combine SW components of significant different "age". E.G. lots of 
> modern user space requires new kernel features, either explicitly or 
> simply because nobody has tested it on such old systems.

My old rule of thumb back in the day was trying to support 7 year old build and 
deployment environments:

  http://lists.busybox.net/pipermail/busybox/2006-September/058440.html

This is 2 years beyond that.

Just FYI,

Rob
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Attachment: 0001-busybox-mdev-recover-pre-2.6.26-kernel-support.patch
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