Hi Kamalesh, > Hi Andrew, > > While booting up and shutting down, x86 machine with 2.6.26-rc8-mm1 kernel, > kernel bug call trace is shows up in the logs That is known bug. please turn off CONFIG_UNEVICTABLE_LRU. and see below thread. [-mm] BUG: sleeping function called from invalid context at include/linux/pagemap.h:290 -- To unsubscribe from this list: send the line "unsubscribe kernel-testers" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html