On Wed, 2009-08-05 at 22:19 +0530, M. Mohan Kumar wrote: > Hi, > > When I align the dtstruct variable to 8 bytes, I am able to invoke kdump. > > When the line > static unsigned dtstruct[TREEWORDS], *dt; > changed to > static unsigned dtstruct[TREEWORDS] __attribute__ ((aligned (8))), *dt; > > kexec-tool works.
Hmm, odd. Can you check how it's aligned without your change? ie. in the original binary, is it 4 byte aligned? When you make the change, is the only thing that changes in the binary the alignedness of dtstruct, or does it cause other things to move around? I don't think an unaligned dt blob should have any effect on the kernel, ie. it should copy it in fine, but I'd have to look at the code. cheers
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