On 22/07/2014 12:42, WANG Chao wrote: > Hi, Laurent > > With gcc -fexceptions, kexec/kdump fails to load: > > # kexec -p /boot/vmlinuz > Warning: append= option is not passed. Using the first kernel root partition > REL24 -157778404 out of range! Hi Chao, I think the root cause of the issue is due to an unresolved symbol in the purgatory. The '_Unwind_Resume' symbol mentioned in the log is generated by GCC which assumes it will find it somewhere when linking with the according shared library. The purgatory is not linked with any library and thus should not be instrumented as the -fexecptions GCC's option does. This should be similar to the fix I've done through the commit 7d33c8933ebf where the stack protection mechanism was introducing unresolved symbols. I'll look for a patch which is disabling the GCC -fexceptions option when building the purgatory. Laurent.
