On Fri, Mar 05, 2010 at 02:47:04PM +0200, Anca Emanuel wrote: > Dumb question: it is possible to hot remove the (bad) memory ? And add > an good one ? Not the complete DIMM, but if a specific page containing a stuck bit or similar can be removed since 2.6.33 yes In theory you could add new memory replacing that memory if your hardware and your kernel supports that, but typically that's not worth it for a few K. > Where is the detection code for the bad module ? Part of the code is in the kernel, part in mcelog. It only works with ECC memory and supported systems ATM (currently Nehalem class Intel Xeon systems) -Andi -- ak@xxxxxxxxxxxxxxx -- Speaking for myself only. -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxxx For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx"> email@xxxxxxxxx </a>