On 25.10.2016 9:13, p.wa...@gmx.at wrote:
It seems I'm experiencing the same crazy problem. Local builds work
for me (as explained in commit message), but image from buildbot
doesn't boot. This is some totally crazy thing :|
I opt for staying at 4.4 and not reverting, since the issue already occured
on kernel 4.1 for the WRT54GL (and probably other devices as well?).
So it's _not_ a 4.1 -> 4.4 issue! The last kernel, that booted fine
on my devices (with buildbot images) was OpenWRT 15.05.1 - 3.18.23
As you've experienced yourself: local images also work fine. With 4.1 and 4.4.
This freezing after "> Starting program at 0x80001000" reminds me of an old
issue on ar71xx/WNDR3700:
This might be something related to uncompressing the image by the bootloader.
Kernel & firmware size growth may be exposing some compression/uncompression
problem that gets semi-arbitrarily triggered now (when the images sizes have
grown due to kernel size growth?). It is possible that the old bootloader
fails to decompress the image but has no proper verbose error message about that.
There was something rather similar four years ago with ar71xx-based
WNDR3700/WNDR3800 series. There the problem was fixed by decreasing the
compression dictionary size used for WNDR3700/3800 devices. I debugged that
after receiving a hint from Rafal (who had had a bit similar problems with
WNDR4500). Rafal's last message of a long thread:
https://lists.openwrt.org/pipermail/openwrt-devel/2012-June/015846.html
For reference, the ar71xx WNDR3700 debugging:
https://forum.openwrt.org/viewtopic.php?id=40565
https://lists.openwrt.org/pipermail/openwrt-devel/2012-November/thread.html#17445
https://dev.openwrt.org/ticket/12454#comment:12
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