On Wed, Apr 20, 2011 at 12:20:13AM +0800, Cong Wang wrote: > ? 2011?04?19? 20:47, Cong Wang ??: > >? 2011?04?18? 20:58, Vivek Goyal ??: > >>Have you verified the contents of backup area? I want to make sure that > >>everything is working and in second kernel when we read up vmcore, we > >>do read contents properly. > >> > > > >Not yet, I am still trying to figure out what the problem is. > >I will send another patch once I know how to fix it, so, although this > >patch doesn't fix that problem, it is clearly needed. > > Ok, the issue I discussed with Vivek does _not_ apply to upstream, > that is a mistake when I backported the patch to RHEL5. > > So, for upstream the patch in this thread is enough. > > Hope this is clear now. So again, have you done testing on upstream kernels to make sure backup area contents are fine? Thanks Vivek