Messages in this thread | | | Date | Mon, 11 Nov 2013 17:57:29 +0800 | Subject | Re: kernel BUG at kernel/kallsyms.c:222! | From | Ming Lei <> |
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Hi,
On Mon, Nov 11, 2013 at 4:37 PM, Axel Lin <axel.lin@ingics.com> wrote: > 2013/11/11 Ming Lei <tom.leiming@gmail.com>: > > Hi Ming, > > commit f6537f2f "scripts/kallsyms: filter symbols not in kernel address space", > uses CONFIG_PAGE_OFFSET as kernel_start_addr. > However, for !CONFIG_MMU case we have : > PAGE_OFFSET != CONFIG_PAGE_OFFSET.
Yes, it is the cause, and strictly speaking, commit f6537f2f is wrong, but triggered with bogus CONFIG_PAGE_OFFSET if !CONFIG_MMU.
We can fix it either by Rusty's patch or removing the bogus CONFIG_PAGE_OFFSET for !CONFIG_MMU.
Thanks, -- Ming Lei
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