H. Peter Anvin wrote:
Will Simoneau wrote:
While trying to put together a new kernel for my laptop (Dell I5150, as
in subject) I found that recent kernels just don't boot. Right after
grub loads the kernel, before the "Uncompressing Linux" message is
shown, it hangs. The BIOS appears to still be alive (ctrl-alt-del works,
keyboard lock LEDs respond). It seems to be caused by the new x86 setup
code.
My kernel is Linus' git as of a1c582d0720f2eff61043e90711767decf37b917.
I bisected and confirmed that 4fd06960f120e02e9abc802a09f9511c400042a5
triggers a non-functioning boot.
This system has Dell BIOS rev A38 and a P4 3.2 w/HT.
What should I do next to debug this problem?
Can you put in some printf's in the code and see how far it gets?
Specifically, the places to add printf's are to main() in main.c and
go_to_protected_mode() in pm.c.
-hpa
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