[OpenWrt-Devel] Help with SysupgradeNAND

[John Crispin]

On 09/07/2014 09:14, Andre Valentin wrote:
> Hi!
> 
> I also noticed after upgrading that routers with jffs2 in ubi 
> (rootfs_data) are not supported anymore. The jffs2 is not mounted
> after an upgrade, resulting in loss of configuration. I had to
> clear rootfs_data to be able to mount it again as ubifs. That's
> okay if you know it!
> 

i think using squash+ubifs is a better option as we dont need to use
the gluebi layer anymore. this makes the whole setup a lot nice i
think. that is why jffs2 support for nand is gone. however i am open
to hear use cases for why jffs2 support should be added for nand.

> I noticed a second issue. hostapd (running in some kind of dfs
> loop) was not killed by sysupgrade nand. That resulted in breaking
> the upgrade. System rebooted with old image. I personnaly added a
> check in sysupgrade if it runs below upgraded and if that's true, I
> kill _all_ processes. If interested I could publish the patch.
> 

please send a patch

> A third point is the upgrade itself. I the rootfs image grows, and 
> rootfs_data has all the remaining space aligned, it will not work
> because rootfs cannot grow. Perhaps rootfs_data should always be
> recreated in the update process. If interested I could also supply
> a patch.
> 

please send a patch


	John



> Kind regards,
> 
> André
> 
> 
> On 09.07.2014 09:02, John Crispin wrote:
>> 
>> 
>> On 09/07/2014 08:42, Ben Mulvihill wrote:
>>> Hello Daniel,
>>> 
>>> I have got SysupgradeNAND working on the BTHOMEHUBV2B with an 
>>> all-ubifs rootfs, with a patch which I'll submit in another
>>> email, once I've recompiled with the latest trunk and made sure
>>> that everything is working, but in the meantime I have a
>>> question: am I right in thinking that the only type of overlay
>>> supported is squashfs + ubifs, not squashfs + jffs2 ?
>>> 
>> 
>> ubifs is jffs3 essentially, a jffs2 with nand awareness added
>> ... correct me if i am wrong ...
>> 
>> 
>> 
>> 
>> 
>>> Thanks,
>>> 
>>> Ben _______________________________________________
>>> openwrt-devel mailing list openwrt-devel at lists.openwrt.org 
>>> https://lists.openwrt.org/cgi-bin/mailman/listinfo/openwrt-devel
>>>
>>
>>> 
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> 
> 
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