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966728dd88
I have a box that fails in OF during boot with: DEFAULT CATCH!, exception-handler=fff00400 at %SRR0: 49424d2c4c6f6768 %SRR1: 800000004000b002 ie "IBM,Logh". OF got corrupted with a device tree string. Looking at make_room and alloc_up, we claim the first chunk (1 MB) but we never claim any more. mem_end is always set to alloc_top which is the top of our available address space, guaranteeing we will never call alloc_up and claim more memory. Also alloc_up wasn't setting alloc_bottom to the bottom of the available address space. This doesn't help the box to boot, but we at least fail with an obvious error. We could relocate the device tree in a future patch. Signed-off-by: Anton Blanchard <anton@samba.org> Cc: <stable@kernel.org> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> |
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