On Thu, Jan 22, 2015 at 03:05:17PM -0800, akpm@xxxxxxxxxxxxxxxxxxxx wrote: > The mm-of-the-moment snapshot 2015-01-22-15-04 has been uploaded to > > http://www.ozlabs.org/~akpm/mmotm/ > qemu test for ppc64 fails with Unable to handle kernel paging request for data at address 0x0000af50 Faulting instruction address: 0xc00000000089d5d4 Oops: Kernel access of bad area, sig: 11 [#1] with the following call stack: Call Trace: [c00000003d32f920] [c00000000089d588] .__slab_alloc.isra.44+0x7c/0x6f4 (unreliable) [c00000003d32fa90] [c00000000020cf8c] .kmem_cache_alloc_node_trace+0x12c/0x3b0 [c00000003d32fb60] [c000000000bceeb4] .mem_cgroup_init+0x128/0x1b0 [c00000003d32fbf0] [c00000000000a2b4] .do_one_initcall+0xd4/0x260 [c00000003d32fce0] [c000000000ba26a8] .kernel_init_freeable+0x244/0x32c [c00000003d32fdb0] [c00000000000ac24] .kernel_init+0x24/0x140 [c00000003d32fe30] [c000000000009564] .ret_from_kernel_thread+0x58/0x74 bisect log: # bad: [03586ad04b2170ee816e6936981cc7cd2aeba129] pci: test for unexpectedly disabled bridges # good: [ec6f34e5b552fb0a52e6aae1a5afbbb1605cc6cc] Linux 3.19-rc5 git bisect start 'HEAD' 'v3.19-rc5' # bad: [d113ba21d15c7d3615fd88490d1197615bb39fc0] mm: remove lock validation check for MADV_FREE git bisect bad d113ba21d15c7d3615fd88490d1197615bb39fc0 # good: [17351d1625a5030fa16f1346b77064c03b51f107] mm:add KPF_ZERO_PAGE flag for /proc/kpageflags git bisect good 17351d1625a5030fa16f1346b77064c03b51f107 # good: [ad18ad1fce6f241a9cbd4adfd6b16c9283181e39] memcg: add BUILD_BUG_ON() for string tables git bisect good ad18ad1fce6f241a9cbd4adfd6b16c9283181e39 # bad: [aa7e7cbfa43b74f6faef04ff730b5098544a4f77] mm/compaction: enhance tracepoint output for compaction begin/end git bisect bad aa7e7cbfa43b74f6faef04ff730b5098544a4f77 # bad: [a40d0d2cf21e2714e9a6c842085148c938bf36ab] mm: memcontrol: remove unnecessary soft limit tree node test git bisect bad a40d0d2cf21e2714e9a6c842085148c938bf36ab # good: [e987aa804213c2d0c7f583639d868c7629ae479e] oom: add helpers for setting and clearing TIF_MEMDIE git bisect good e987aa804213c2d0c7f583639d868c7629ae479e # good: [af52cb6dc98bd833d4d15fe8eafc4a3e1f17951d] sysrq: convert printk to pr_* equivalent git bisect good af52cb6dc98bd833d4d15fe8eafc4a3e1f17951d # good: [61e257724ea22eb85488e7209f594106ca57258a] mm: cma: fix totalcma_pages to include DT defined CMA regions git bisect good 61e257724ea22eb85488e7209f594106ca57258a # first bad commit: [a40d0d2cf21e2714e9a6c842085148c938bf36ab] mm: memcontrol: remove unnecessary soft limit tree node test If there is anything I can do to help debugging, please let me know. Guenter -- 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>