Re: [PATCH v5] x86, kdump: Set crashkernel_low automatically

2013-03-20 Thread Vivek Goyal
On Wed, Mar 20, 2013 at 09:21:31AM -0700, Yinghai Lu wrote: > On Wed, Mar 20, 2013 at 9:03 AM, Vivek Goyal wrote: > > On Wed, Mar 20, 2013 at 08:53:29AM -0700, Yinghai Lu wrote: > >> On Wed, Mar 20, 2013 at 6:08 AM, Vivek Goyal wrote: > >> > >> > Have a general question about crashkernel_low. Why

Re: [PATCH v5] x86, kdump: Set crashkernel_low automatically

2013-03-20 Thread Yinghai Lu
On Wed, Mar 20, 2013 at 9:03 AM, Vivek Goyal wrote: > On Wed, Mar 20, 2013 at 08:53:29AM -0700, Yinghai Lu wrote: >> On Wed, Mar 20, 2013 at 6:08 AM, Vivek Goyal wrote: >> >> > Have a general question about crashkernel_low. Why does it need to >> > show up as "Crash kernel low" in /proc/iomem. Wi

Re: [PATCH v5] x86, kdump: Set crashkernel_low automatically

2013-03-20 Thread Vivek Goyal
On Wed, Mar 20, 2013 at 08:53:29AM -0700, Yinghai Lu wrote: > On Wed, Mar 20, 2013 at 6:08 AM, Vivek Goyal wrote: > > > Have a general question about crashkernel_low. Why does it need to > > show up as "Crash kernel low" in /proc/iomem. Will it not be better > > that all memory reserved for crash

Re: [PATCH v5] x86, kdump: Set crashkernel_low automatically

2013-03-20 Thread Yinghai Lu
On Wed, Mar 20, 2013 at 6:08 AM, Vivek Goyal wrote: > Have a general question about crashkernel_low. Why does it need to > show up as "Crash kernel low" in /proc/iomem. Will it not be better > that all memory reserved for crashkernel (whether high or low), shows > as "Crash Kernel" and let kexec-

Re: [PATCH v5] x86, kdump: Set crashkernel_low automatically

2013-03-20 Thread Vivek Goyal
On Tue, Mar 19, 2013 at 08:05:26AM -0700, Yinghai Lu wrote: > Chao said that kdump does does work well on his system on 3.8 > without extra parameter, even iommu does not work with kdump. > And now have to append crashkernel_low=Y in first kernel to make > kdump work. > > We have now modified cras