On Sun, 14 Dec 2014, Gavin Guo wrote: > I tried to disassembly and found that the object is from c->freelist > and it has an abnormal value which caused the fault. My first thought > is to try to add slub_debug in the kernel command line. But, the > kernel is a production kernel and may not have the chance to add > kernel parameters. The other way is to "echo 1 > the slub_debug option is there so that production kernels *can* run with debugging and that we can locate these issues. If you cannot get to a boot prompt then please change the grub configuration and add the slub_debug parameter. -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>