some problem with PATA: 1/17 x86.git with PAT enable kernelB. 1/17 x86.git with PAT diabled kernelC: RHEL 5.1 stock kernel -53A kexec B : OKB kexec A: OKA kexec C: very slowB kexec C: OKC kexec A: OKC kexec B: OKDo we need something to disable PAT when kexec calling shutdown?YH