Hi, I see the below message from kmemleak when booting linux-next on AM335x GP EVM and DRA7 EVM [ 0.803934] kmemleak: Cannot insert 0xff7f1000 into the object search tree (overlaps existing) [ 0.803950] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.0-rc1-next-20160809 #497 [ 0.803958] Hardware name: Generic DRA72X (Flattened Device Tree) [ 0.803979] [<c0110104>] (unwind_backtrace) from [<c010c24c>] (show_stack+0x10/0x14) [ 0.803994] [<c010c24c>] (show_stack) from [<c0490df0>] (dump_stack+0xac/0xe0) [ 0.804010] [<c0490df0>] (dump_stack) from [<c0296f88>] (create_object+0x214/0x278) [ 0.804025] [<c0296f88>] (create_object) from [<c07c770c>] (kmemleak_alloc_percpu+0x54/0xc0) [ 0.804038] [<c07c770c>] (kmemleak_alloc_percpu) from [<c025fb08>] (pcpu_alloc+0x368/0x5fc) [ 0.804052] [<c025fb08>] (pcpu_alloc) from [<c0b1bfbc>] (crash_notes_memory_init+0x10/0x40) [ 0.804064] [<c0b1bfbc>] (crash_notes_memory_init) from [<c010188c>] (do_one_initcall+0x3c/0x178) [ 0.804075] [<c010188c>] (do_one_initcall) from [<c0b00e98>] (kernel_init_freeable+0x1fc/0x2c8) [ 0.804086] [<c0b00e98>] (kernel_init_freeable) from [<c07c66b0>] (kernel_init+0x8/0x114) [ 0.804098] [<c07c66b0>] (kernel_init) from [<c0107910>] (ret_from_fork+0x14/0x24) [ 0.804106] kmemleak: Kernel memory leak detector disabled [ 0.804113] kmemleak: Object 0xfe800000 (size 16777216): [ 0.804121] kmemleak: comm "swapper/0", pid 0, jiffies 4294937296 [ 0.804127] kmemleak: min_count = -1 [ 0.804132] kmemleak: count = 0 [ 0.804138] kmemleak: flags = 0x5 [ 0.804143] kmemleak: checksum = 0 [ 0.804149] kmemleak: backtrace: [ 0.804155] [<c0b26a90>] cma_declare_contiguous+0x16c/0x214 [ 0.804170] [<c0b3c9c0>] dma_contiguous_reserve_area+0x30/0x64 [ 0.804183] [<c0b3ca74>] dma_contiguous_reserve+0x80/0x94 [ 0.804195] [<c0b06810>] arm_memblock_init+0x130/0x184 [ 0.804207] [<c0b04214>] setup_arch+0x590/0xc08 [ 0.804217] [<c0b00940>] start_kernel+0x58/0x3b4 [ 0.804227] [<8000807c>] 0x8000807c [ 0.804237] [<ffffffff>] 0xffffffff This happens early in the boot and the stack dump depends on the driver that is being probed at that moment (and therefore I believe its a generic issue). Full boot log here: http://pastebin.ubuntu.com/23014650/ Config used: omap2plus_defconfig + CONFIG_HAVE_DEBUG_KMEMLEAK=y CONFIG_DEBUG_KMEMLEAK=y CONFIG_DEBUG_KMEMLEAK_EARLY_LOG_SIZE=8000 Has anyone seen this issue before? Any help appreciated. Thanks! -- Regards Vignesh -- 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>