Messages in this thread | | | Date | Tue, 01 Jul 2008 09:56:07 -0700 | From | "H. Peter Anvin" <> | Subject | Re: [crash, bisected] Re: [PATCH 3/4] x86_64: Fold pda into per cpu area |
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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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