On Thu, Oct 19, 2017 at 01:16:48AM +0500, Михаил Гаврилов wrote: > Hi! Who knows what is happened here? > Bug? > > [ 2880.745242] swapper/0: page allocation failure: order:0, > mode:0x1204010(GFP_NOWAIT|__GFP_COMP|__GFP_RECLAIMABLE|__GFP_NOTRACK), I am curious about this, how can slub try to alloc compound page but the order is 0? This is wrong. > nodemask=(null) > [ 2880.745311] swapper/0 cpuset=/ mems_allowed=0-1023 > [ 2880.745504] CPU: 0 PID: 0 Comm: swapper/0 Not tainted > 4.13.6-300.fc27.x86_64+debug #1 > [ 2880.745505] Hardware name: Gigabyte Technology Co., Ltd. > Z87M-D3H/Z87M-D3H, BIOS F11 08/12/2014 > [ 2880.745506] Call Trace: > [ 2880.745508] <IRQ> > [ 2880.745513] dump_stack+0x8e/0xd6 > [ 2880.745517] warn_alloc+0x114/0x1c0 > [ 2880.745525] __alloc_pages_slowpath+0x104b/0x1100 > [ 2880.745533] ? sched_clock+0x9/0x10 > [ 2880.745537] ? get_partial_node.isra.67+0x226/0x2e0 > [ 2880.745542] ? __lock_is_held+0x65/0xb0 > [ 2880.745548] __alloc_pages_nodemask+0x351/0x3e0 > [ 2880.745554] alloc_pages_current+0x6a/0xe0 > [ 2880.745557] new_slab+0x440/0x740 > [ 2880.745559] ? __slab_alloc+0x51/0x90 > [ 2880.745565] ___slab_alloc+0x3eb/0x5e0 > [ 2880.745569] ? radix_tree_node_alloc.constprop.18+0x46/0xe0 > [ 2880.745575] ? radix_tree_node_alloc.constprop.18+0x46/0xe0 > [ 2880.745578] __slab_alloc+0x51/0x90 > [ 2880.745580] ? __slab_alloc+0x51/0x90 > [ 2880.745584] kmem_cache_alloc+0x235/0x2e0 > [ 2880.745585] ? radix_tree_node_alloc.constprop.18+0x46/0xe0 > [ 2880.745589] radix_tree_node_alloc.constprop.18+0x46/0xe0 > [ 2880.745592] __radix_tree_create+0x16d/0x1d0 > [ 2880.745597] __radix_tree_insert+0x45/0x210 > [ 2880.745604] add_dma_entry+0xbf/0x170 > [ 2880.745609] debug_dma_map_sg+0x11a/0x170 > [ 2880.745614] ata_qc_issue+0x1de/0x380 > [ 2880.745618] ? ata_scsi_var_len_cdb_xlat+0x30/0x30 > [ 2880.745620] ata_scsi_translate+0xcf/0x1a0 > [ 2880.745624] ata_scsi_queuecmd+0xa4/0x210 > [ 2880.745628] scsi_dispatch_cmd+0xf9/0x390 > [ 2880.745632] scsi_request_fn+0x4d6/0x6e0 > [ 2880.745638] __blk_run_queue+0x5c/0xc0 > [ 2880.745640] blk_run_queue+0x30/0x50 > [ 2880.745643] scsi_run_queue+0x23f/0x310 > [ 2880.745648] scsi_end_request+0xf0/0x1d0 > [ 2880.745652] scsi_io_completion+0x283/0x6c0 > [ 2880.745657] scsi_finish_command+0xe4/0x120 > [ 2880.745661] scsi_softirq_done+0x105/0x160 > [ 2880.745664] blk_done_softirq+0xa8/0xd0 > [ 2880.745669] __do_softirq+0xce/0x4ed > [ 2880.745682] ? sched_clock+0x9/0x10 > [ 2880.745684] ? sched_clock+0x9/0x10 > [ 2880.745689] irq_exit+0x10f/0x120 > [ 2880.745692] do_IRQ+0x92/0x110 > [ 2880.745696] common_interrupt+0x9d/0x9d > [ 2880.745698] RIP: 0010:cpuidle_enter_state+0x135/0x390 > [ 2880.745700] RSP: 0018:ffffffffafe03dc0 EFLAGS: 00000206 ORIG_RAX: > ffffffffffffff2e > [ 2880.745703] RAX: ffffffffafe18500 RBX: 0000029eb9c9a7f7 RCX: 0000000000000000 > [ 2880.745704] RDX: ffffffffafe18500 RSI: 0000000000000001 RDI: ffffffffafe18500 > [ 2880.745705] RBP: ffffffffafe03e00 R08: 0000000000000075 R09: 0000000000000000 > [ 2880.745706] R10: 0000000000000000 R11: 0000000000000000 R12: ffffe15e7ee00000 > [ 2880.745707] R13: 0000000000000000 R14: 0000000000000001 R15: ffffffffb00634d8 > [ 2880.745709] </IRQ> > [ 2880.745721] cpuidle_enter+0x17/0x20 > [ 2880.745733] call_cpuidle+0x23/0x40 > [ 2880.745735] do_idle+0x194/0x1f0 > [ 2880.745739] cpu_startup_entry+0x73/0x80 > [ 2880.745742] rest_init+0xd5/0xe0 > [ 2880.745745] start_kernel+0x4f4/0x515 > [ 2880.745749] ? early_idt_handler_array+0x120/0x120 > [ 2880.745751] x86_64_start_reservations+0x24/0x26 > [ 2880.745754] x86_64_start_kernel+0x13e/0x161 > [ 2880.745759] secondary_startup_64+0x9f/0x9f > [ 2880.745847] SLUB: Unable to allocate memory on node -1, > gfp=0x1000000(GFP_NOWAIT) > [ 2880.745849] cache: radix_tree_node, object size: 576, buffer > size: 584, default order: 2, min order: 0 > [ 2880.745851] node 0: slabs: 3526, objs: 98203, free: 0 > [ 2880.745871] DMA-API: cacheline tracking ENOMEM, dma-debug disabled > > > > > -- > Best Regards, > Mike Gavrilov. > > -- > 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> -- Thanks, Changbin Du
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