Re: [crash, bisected] Re: [PATCH 3/4] x86_64: Fold pda into per cpu area

Eric W. Biederman wrote:

The zero-based PDA mechanism requires the introduction of a new ELF segment
based at vaddr 0 which is sufficiently unusual that it wouldn't surprise me if
its triggering some toolchain bug.

Agreed. Given the previous description my hunch is that the bug is occurring
during objcopy. If vmlinux is good and the compressed kernel is bad.


Actually, it's not all that unusual... it's pretty common in various restricted environments. That being said, it's probably uncommon for *64-bit* code.

-hpa
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