On Thu, Dec 09, 2010 at 12:09:31PM -0800, Yinghai Lu wrote: > On 12/09/2010 04:41 AM, Stanislaw Gruszka wrote: > > On Wed, Dec 08, 2010 at 11:16:10PM -0800, Yinghai Lu wrote: > >>>> please check debug patches, and boot first kernel and kexec second kernel with "ignore_loglevel debug earlyprintk...." > >>> > >>> Second kernel does not print anything, so maybe it not even start. > >>> Dmesg from primary kernel attached. > >>> > >>> Stanislaw > >> > >> > >> please try attached debug patch. > > > > With debug patch kdump kernel boot. Dmesg's from kdump and > > primary kernel in attachment. > > > > thanks. > > please check if this one works. it only put crashkernel low. Yes, with patch kdump works. Thanks Stanislaw