[OpenWrt-Devel] pivot_overlay doesn't work anymore
zajec5 at gmail.com
Sat Jan 10 09:41:12 EST 2015
On 10 January 2015 at 12:54, Gianluca Anzolin <gianluca at sottospazio.it> wrote:
> I just tried to install the latest CC trunk (r43901) on my netgear wndr4300,
> a router with NAND flash on that uses UBIFS.
> I noticed that I cannot use an external /overlay anymore: while I can mount
> the usb drive on any mountpoint, the '/overlay' target in /etc/config/fstab
> is ignored and the rootfs is never switched to the new device.
> The funny fact is that on another different router this doesn't happen: that
> router however doesn't rely on UBIFS since it uses NOR flash.
> So I tried to revert the latest change relevant to fstools (git-svn-id:
> 3c298f89-4303-0410-b956-a3cf2f4a3e73) and pivot_overlay began to work again.
> I understand that commit is only an upgrade to the latest HEAD of fstools:
> before starting to bisect I thought someone working on the code could have
> an idea on what's really happening.
> I'll try to bisect this evening if needed.
I guess I broke something, but I can't really say what and why. It
works for me, but obviously there are maaaany different possible
You can see the list of fstools commits using following URL:
I'll need you to bisect them by changing PKG_SOURCE_VERSION in the
What do we know so far:
So please open package/system/fstools/Makefile and change
PKG_SOURCE_VERSION to something from the middle of above list. You can
start e.g. from 9847f4e2769d0d808a846724f8dd74b83280fdd8.
After you change PKG_SOURCE_VERSION to
9847f4e2769d0d808a846724f8dd74b83280fdd8, recompile OpenWrt, install
it and try.
Using above way, please find the first bad commit.
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