On Mon, 30 May 2011 16:01:14 +0900 KAMEZAWA Hiroyuki <kamezawa.hiroyu@xxxxxxxxxxxxxx> wrote: > On Sun, 29 May 2011 23:19:48 -0700 > Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> wrote: > > > > > (switched to email. Please respond via emailed reply-to-all, not via the > > bugzilla web interface). > > > > On Mon, 30 May 2011 02:38:33 GMT bugzilla-daemon@xxxxxxxxxxxxxxxxxxx wrote: > > > > > https://bugzilla.kernel.org/show_bug.cgi?id=36192 > > > > > > Summary: Kernel panic when boot the 2.6.39+ kernel based off of > > > 2.6.32 kernel > > > Product: Memory Management > > > Version: 2.5 > > > Kernel Version: 2.6.39+ > > > Platform: All > > > OS/Version: Linux > > > Tree: Mainline > > > Status: NEW > > > Severity: normal > > > Priority: P1 > > > Component: Page Allocator > > > AssignedTo: akpm@xxxxxxxxxxxxxxxxxxxx > > > ReportedBy: qcui@xxxxxxxxxx > > > Regression: Yes > > > > > > > > > Created an attachment (id=60012) > > > --> (https://bugzilla.kernel.org/attachment.cgi?id=60012) > > > kernel panic console output > > > > > > When I updated the kernel from 2.6.32 to 2.6.39+ on a server with AMD > > > Magny-Cours CPU, the server can not boot the 2.6.39+ kernel successfully. The > > > console ouput showed 'Kernel panic - not syncing: Attempted to kill the idle > > > task!' I have tried to set the kernel parameter idle=poll in the grub file. It > > > still failed to reboot due to the same error. But it can reboot successfully on > > > the server with Intel CPU. The full console output is attached. > > > > > > Steps to reproduce: > > > 1. install the 2.6.32 kernel > > > 2. compile and install the kernel 2.6.39+ > > > 3. reboot > > > > > > > hm, this is not good. Might be memcg-related? > > > > yes, and the system may be able to boot with a boot option of cgroup_disable=memory. > but the problem happens in __alloc_pages_nodemask with NULL pointer access. > Hmm, doesn't this imply some error in building zone/pgdat ? > I want to see .config and 2.6.32's boot log (dmesg) and 2.6.39+'s boot log if possible. Thanks, -Kame -- 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/ . Fight unfair telecom internet charges in Canada: sign http://stopthemeter.ca/ Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>