On Tue, Oct 23, 2007 at 08:50:23PM -0400, Jarod Wilson wrote:
Chuck Ebbert wrote:
> On 10/23/2007 06:28 PM, Dave Jones wrote:
>> > Are the addresses in System.map accurate? On the F7 2.6.23 kernel,
>> > I had to subtract 0x400000 and add 0x1000000 to the address in an
>> > oops message to get an address to use with eu-addr2line.
>>
>> Relocatable kernel is another thing that really screws with this.
>>
>
> CONFIG_RELOCATABLE=y
> CONFIG_PHYSICAL_ALIGN=0x400000
> CONFIG_PHYSICAL_START=0x1000000
>
> Address in oops was c04622db.
>
> I had to use "eu-addr2line -e vmlinux 0xc10622db"
>
> And objdump just flat refuses to show line number information
> from vmlinux containing debug info. (But on Fedora 8 it will.)
I vaguely recall seeing a bug about this one, and I thought the solution
was to set _ALIGH and _START to the same value, but these are only vague
recollections...
That sounds a bit.. odd. to say the least.
Though we current should have 4MB alignment and 4MB start.
Dave
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