The following commit fixes the problem in mainline:
commit f285f4a21c3253887caceed493089ece17579d59
Author: Kees Cook <[email protected]>
Date: Thu Jan 15 16:51:46 2015 -0800
x86, boot: Skip relocs when load address unchanged
On 64-bit, relocation is not required unless the load address gets
changed. Without this, relocations do unexpected things when the kernel
is above 4G.
Reported-by: Baoquan He <[email protected]>
Signed-off-by: Kees Cook <[email protected]>
Tested-by: Thomas D. <[email protected]>
Cc: Vivek Goyal <[email protected]>
Cc: Jan Beulich <[email protected]>
Cc: Junjie Mao <[email protected]>
Cc: Andi Kleen <[email protected]>
Cc: [email protected]
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Thomas Gleixner <[email protected]>
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https://bugs.launchpad.net/bugs/1396889
Title:
[Lenovo ThinkPad T400] kexec reboot fails
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