Ok, here's some news on this topic.
I've built some images for WRT54GL to test, here come the results:
-) Builtbot's image: does NOT boot (as expected)
-) Local image without KALLSYMS: works fine
-) Local image with KALLSYMS: does NOT boot (which is unexpected,
as such an image booted without issues back in June)
Here are my vmlinux.lzma sizes:
1140026 bytes - without KALLSYMS - works
1229451 bytes - with KALLSYMS - does not work
To further investigate where the 'magic border' is, (assuming it really is
dependant on
the vmlinux.lzma size), I've disabled KALLSYMS and introduced a new char array
in the
kernel with random contents. I could more or less define what size the kernel
should have.
Here are the results:
size | status
1140026 | Ok <= this is the untouched kernel without KALLSYMS
1195918 | Ok
1206415 | Ok
1227370 | Ok
1229451 | FAIL <= this is the untouched kernel with KALLSYMS enabled
1237671 | Ok
1279313 | Ok
So there must be more than just the bare vmlinux-size.
Best regards,
P. Wassi
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