Re: pxeboot broken by commit "x86 setup: handle boot loaders which set up the stack incorrectly"

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Yinghai Lu wrote:

good to know. everyone need to update to 3.52 now...
but i still can not understand why that mcp55 system works but the
ck804 based doesn't on 3.10


The bug is that syslinux incorrectly positions the stack above the command line (but not the stack pointer register; hence the kernel patch exposing this bug.) So the stack plus command line end up being limited to 512 bytes; how much stack gets used depends on the BIOS, so one BIOS may use a lot more than another.

	-hpa
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