On Thu, May 26, 2011 at 01:44:47PM -0400, Vivek Goyal wrote: > On Thu, May 26, 2011 at 10:53:05PM +0530, K.Prasad wrote: > > > > slimdump: Capture slimdump for fatal MCE generated crashes > > > > System crashes resulting from fatal hardware errors (such as MCE) don't need > > all the contents from crashing-kernel's memory. Generate a new 'slimdump' that > > retains only essential information while discarding the old memory. > > > > Why to enforce zeroing out of rest of the vmcore data in kernel. Why not > leave it to user space. I think it's a good default to not do a full dump on MCE. It's very unlikely to be useful for anything, and will just waste reboot time (aka nines). That said including the dmesg too may be a good idea. On the other hand I think the slim dump should be probably generalized and used for more situations. I could well imagine enabling it by default on various systems. -Andi