On Sat, Jul 04, 2020 at 01:21:05AM -0600, Chris Murphy wrote: > Hi, > > This seems to be a one off - I'm not even sure what was happening at > the time. Possibly running a qemu-kvm VM. > > 5.8.0-0.rc3.1.fc33.x86_64+debug > i7-2820QM > MemTotal: 8021304 kB > $ swapon > NAME TYPE SIZE USED PRIO > /dev/sda5 partition 10.4G 0B -2 > /dev/zram0 partition 3.8G 9M 100 > $ zramctl > NAME ALGORITHM DISKSIZE DATA COMPR TOTAL STREAMS MOUNTPOINT > /dev/zram0 lzo-rle 3.8G 7.8M 2.3M 4.5M 8 [SWAP] > > > > > [126841.385050] swapper/2: page allocation failure: order:0, > mode:0x40810(GFP_NOWAIT|__GFP_COMP|__GFP_RECLAIMABLE), This is one for Dan; he decided to use GFP_NOWAIT in commit 0abdd7a81b7e3fd781d7fabcca49501852bba17e > nodemask=(null),cpuset=/,mems_allowed=0 > [126841.385059] CPU: 2 PID: 0 Comm: swapper/2 Not tainted > 5.8.0-0.rc3.1.fc33.x86_64+debug #1 > [126841.385061] Hardware name: Apple Inc. > MacBookPro8,2/Mac-94245A3940C91C80, BIOS > MBP81.88Z.0050.B00.1804101331 04/10/18 > [126841.385062] Call Trace: > [126841.385064] <IRQ> > [126841.385071] dump_stack+0x92/0xc8 > [126841.385076] warn_alloc.cold+0x75/0xd9 > [126841.385083] __alloc_pages_slowpath.constprop.0+0x10ce/0x1110 > [126841.385090] ? lock_acquire+0xb0/0x400 > [126841.385095] __alloc_pages_nodemask+0x3c4/0x450 > [126841.385099] alloc_slab_page+0x345/0x790 > [126841.385103] allocate_slab+0x473/0x570 > [126841.385106] ___slab_alloc+0x4bb/0x7d0 > [126841.385109] ? radix_tree_node_alloc.constprop.0+0x44/0xe0 > [126841.385115] ? __module_address.part.0+0xe/0xe0 > [126841.385117] ? __module_address.part.0+0xe/0xe0 > [126841.385120] ? radix_tree_node_alloc.constprop.0+0x44/0xe0 > [126841.385122] ? __slab_alloc+0x46/0x90 > [126841.385123] __slab_alloc+0x46/0x90 > [126841.385126] ? radix_tree_node_alloc.constprop.0+0x44/0xe0 > [126841.385128] kmem_cache_alloc+0x2c8/0x310 > [126841.385131] radix_tree_node_alloc.constprop.0+0x44/0xe0 > [126841.385134] radix_tree_insert+0xd1/0x1b0 > [126841.385139] add_dma_entry+0xb4/0x1a0 > [126841.385145] dma_map_single_attrs.constprop.0+0xcb/0x150 [tg3] > [126841.385149] tg3_alloc_rx_data+0xaa/0x190 [tg3] > [126841.385153] tg3_poll_work+0x1d7/0x10b0 [tg3] > [126841.385160] tg3_poll_msix+0x39/0x1c0 [tg3] > [126841.385164] net_rx_action+0x150/0x4f0 > [126841.385170] __do_softirq+0xdb/0x4a2 > [126841.385175] asm_call_on_stack+0xf/0x20 > [126841.385176] </IRQ> > [126841.385179] do_softirq_own_stack+0x80/0x90 > [126841.385182] irq_exit_rcu+0xe0/0x120 > [126841.385185] common_interrupt+0xaa/0x210 > [126841.385188] asm_common_interrupt+0x1e/0x40 > [126841.385191] RIP: 0010:cpuidle_enter_state+0xb8/0x440 > [126841.385194] Code: 69 6b e8 eb 04 7b ff 49 89 c7 66 66 66 66 90 31 > ff e8 bc 27 7b ff 80 7c 24 0f 00 0f 85 0d 02 00 00 e8 3c 3c 8b ff fb > 66 66 90 <66> 66 90 45 85 e4 0f 88 14 02 00 00 49 63 d4 4c 2b 7c 24 10 > 48 8d > [126841.385196] RSP: 0018:ffffab2f0009fe80 EFLAGS: 00000246 > [126841.385198] RAX: 0000000000000000 RBX: ffffcb2eff201400 RCX: > 000000000000001f > [126841.385199] RDX: 0000000000000000 RSI: 0000000037a6deab RDI: > ffffffff949749b4 > [126841.385201] RBP: ffffffff95c18e80 R08: 0000735c8fb2993f R09: > 0000000000000008 > [126841.385202] R10: 0000000000000000 R11: 0000000000000016 R12: > 0000000000000002 > [126841.385204] R13: ffffffff95c18e80 R14: 0000000000000002 R15: > 0000735c8fb2993f > [126841.385208] ? cpuidle_enter_state+0xb4/0x440 > [126841.385213] cpuidle_enter+0x29/0x40 > [126841.385217] do_idle+0x1f6/0x2e0 > [126841.385220] cpu_startup_entry+0x19/0x20 > [126841.385224] start_secondary+0x15c/0x190 > [126841.385227] secondary_startup_64+0xb6/0xc0 > [126841.385233] Mem-Info: > [126841.385237] active_anon:141209 inactive_anon:596767 isolated_anon:0 > active_file:122875 inactive_file:993681 isolated_file:9 > unevictable:2594 dirty:110075 writeback:0 > slab_reclaimable:42804 slab_unreclaimable:46586 > mapped:65915 shmem:676937 pagetables:2719 bounce:0 > free:25946 free_pcp:2811 free_cma:0 > [126841.385241] Node 0 active_anon:564836kB inactive_anon:2387068kB > active_file:491500kB inactive_file:3974724kB unevictable:10376kB > isolated(anon):0kB isolated(file):36kB mapped:263660kB dirty:440300kB > writeback:0kB shmem:2707748kB shmem_thp: 0kB shmem_pmdmapped: 0kB > anon_thp: 0kB writeback_tmp:0kB all_unreclaimable? no > [126841.385242] Node 0 DMA free:14320kB min:128kB low:160kB high:192kB > reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB > active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB > present:15988kB managed:15360kB mlocked:0kB kernel_stack:0kB > pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB > [126841.385246] lowmem_reserve[]: 0 2048 7776 7776 7776 > [126841.385249] Node 0 DMA32 free:40352kB min:17772kB low:22212kB > high:26652kB reserved_highatomic:0KB active_anon:0kB > inactive_anon:18908kB active_file:0kB inactive_file:2063284kB > unevictable:0kB writepending:96256kB present:2255864kB > managed:2140908kB mlocked:0kB kernel_stack:0kB pagetables:0kB > bounce:0kB free_pcp:4188kB local_pcp:36kB free_cma:0kB > [126841.385253] lowmem_reserve[]: 0 0 5727 5727 5727 > [126841.385255] Node 0 Normal free:49112kB min:49680kB low:62100kB > high:74520kB reserved_highatomic:0KB active_anon:564748kB > inactive_anon:2368400kB active_file:491756kB inactive_file:1911480kB > unevictable:10700kB writepending:343392kB present:6027264kB > managed:5865036kB mlocked:1800kB kernel_stack:6768kB > pagetables:10876kB bounce:0kB free_pcp:6896kB local_pcp:328kB > free_cma:0kB > [126841.385259] lowmem_reserve[]: 0 0 0 0 0 > [126841.385261] Node 0 DMA: 0*4kB 0*8kB 1*16kB (U) 1*32kB (U) 1*64kB > (U) 1*128kB (U) 1*256kB (U) 1*512kB (U) 1*1024kB (U) 2*2048kB (UM) > 2*4096kB (M) = 14320kB > [126841.385269] Node 0 DMA32: 1*4kB (E) 3*8kB (UME) 2*16kB (UE) 3*32kB > (UME) 7*64kB (E) 3*128kB (UE) 6*256kB (ME) 5*512kB (ME) 2*1024kB (UM) > 2*2048kB (UM) 7*4096kB (M) = 39900kB > [126841.385277] Node 0 Normal: 366*4kB (UME) 413*8kB (UME) 76*16kB > (UME) 18*32kB (UME) 20*64kB (UME) 16*128kB (UME) 10*256kB (UME) > 8*512kB (ME) 5*1024kB (UE) 2*2048kB (UM) 6*4096kB (M) = 50336kB > [126841.385289] Node 0 hugepages_total=0 hugepages_free=0 > hugepages_surp=0 hugepages_size=2048kB > [126841.385290] 1793872 total pagecache pages > [126841.385294] 45 pages in swap cache > [126841.385296] Swap cache stats: add 14529, delete 14484, find 3855/4431 > [126841.385297] Free swap = 14869404kB > [126841.385299] Total swap = 14892188kB > [126841.385300] 2074779 pages RAM > [126841.385301] 0 pages HighMem/MovableOnly > [126841.385302] 69453 pages reserved > [126841.385304] 0 pages cma reserved > [126841.385305] 0 pages hwpoisoned > [126841.385307] SLUB: Unable to allocate memory on node -1, > gfp=0x800(GFP_NOWAIT) > [126841.385309] cache: radix_tree_node, object size: 576, buffer > size: 584, default order: 2, min order: 0 > [126841.385311] node 0: slabs: 392, objs: 10976, free: 0 > [126841.385312] DMA-API: cacheline tracking ENOMEM, dma-debug disabled > > > Entire dmesg: > https://bugzilla.redhat.com/attachment.cgi?id=1699909 > Downstream bug (same as above) > https://bugzilla.redhat.com/show_bug.cgi?id=1853795 > > > > > -- > Chris Murphy >