* Peter Zijlstra <a.p.zijlstra@xxxxxxxxx> wrote: > On Fri, 2012-10-26 at 17:07 +0800, Zhouping Liu wrote: > > [ 180.918591] RIP: 0010:[<ffffffff8118c39a>] [<ffffffff8118c39a>] mem_cgroup_prepare_migration+0xba/0xd0 > > > [ 182.681450] [<ffffffff81183b60>] do_huge_pmd_numa_page+0x180/0x500 > > [ 182.775090] [<ffffffff811585c9>] handle_mm_fault+0x1e9/0x360 > > [ 182.863038] [<ffffffff81632b62>] __do_page_fault+0x172/0x4e0 > > [ 182.950574] [<ffffffff8101c283>] ? __switch_to_xtra+0x163/0x1a0 > > [ 183.041512] [<ffffffff8101281e>] ? __switch_to+0x3ce/0x4a0 > > [ 183.126832] [<ffffffff8162d686>] ? __schedule+0x3c6/0x7a0 > > [ 183.211216] [<ffffffff81632ede>] do_page_fault+0xe/0x10 > > [ 183.293705] [<ffffffff8162f518>] page_fault+0x28/0x30 > > Johannes, this looks like the thp migration memcg hookery gone bad, > could you have a look at this? Meanwhile, Zhouping Liu, could you please not apply the last patch: [PATCH] sched, numa, mm: Add memcg support to do_huge_pmd_numa_page() and see whether it boots/works without that? Thanks, Ingo -- 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>