Hi, It's reproduciable, not everytime though. Ext4 works fine. Based on test logs, it's bad on Linus tree commit: e5d56ef Merge tag 'watchdog-for-linus-v4.11' It's good on commit: f8e6859 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc Trying to narrow down a little bit. Thanks, Xiong --- fsstress: vmalloc: allocation failure, allocated 12288 of 20480 bytes, mode:0x14080c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_ZERO), nodemask=(null) fsstress cpuset=/ mems_allowed=0-1 CPU: 1 PID: 23460 Comm: fsstress Not tainted 4.10.0-master-45554b2+ #21 Hardware name: HP ProLiant DL380 Gen9/ProLiant DL380 Gen9, BIOS P89 10/05/2016 Call Trace: dump_stack+0x63/0x87 warn_alloc+0x114/0x1c0 ? alloc_pages_current+0x88/0x120 __vmalloc_node_range+0x250/0x2a0 ? kmem_zalloc_greedy+0x2b/0x40 [xfs] ? free_hot_cold_page+0x21f/0x280 vzalloc+0x54/0x60 ? kmem_zalloc_greedy+0x2b/0x40 [xfs] kmem_zalloc_greedy+0x2b/0x40 [xfs] xfs_bulkstat+0x11b/0x730 [xfs] ? xfs_bulkstat_one_int+0x340/0x340 [xfs] ? selinux_capable+0x20/0x30 ? security_capable+0x48/0x60 xfs_ioc_bulkstat+0xe4/0x190 [xfs] xfs_file_ioctl+0x9dd/0xad0 [xfs] ? do_filp_open+0xa5/0x100 do_vfs_ioctl+0xa7/0x5e0 SyS_ioctl+0x79/0x90 do_syscall_64+0x67/0x180 entry_SYSCALL64_slow_path+0x25/0x25 RIP: 0033:0x7f825023f577 RSP: 002b:00007ffffea76e58 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 0000000000003f7e RCX: 00007f825023f577 RDX: 00007ffffea76e70 RSI: ffffffffc0205865 RDI: 0000000000000003 RBP: 0000000000000003 R08: 0000000000000008 R09: 0000000000000036 R10: 0000000000000069 R11: 0000000000000246 R12: 0000000000000036 R13: 00007f824c002d00 R14: 0000000000001209 R15: 0000000000000000 Mem-Info: active_anon:23126 inactive_anon:1719 isolated_anon:0 active_file:153709 inactive_file:356889 isolated_file:0 unevictable:0 dirty:0 writeback:0 unstable:0 slab_reclaimable:43829 slab_unreclaimable:45414 mapped:14638 shmem:2470 pagetables:1599 bounce:0 free:7463113 free_pcp:23729 free_cma:0 Node 0 active_anon:36372kB inactive_anon:140kB active_file:449540kB inactive_file:355288kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:21792kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 10240kB anon_thp: 796kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no Node 1 active_anon:56132kB inactive_anon:6736kB active_file:165296kB inactive_file:1072268kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:36760kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 12288kB anon_thp: 9084kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no Node 0 DMA free:15884kB min:40kB low:52kB high:64kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15904kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:20kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 1821 15896 15896 15896 Node 0 DMA32 free:1860532kB min:4968kB low:6772kB high:8576kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:1948156kB managed:1865328kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:2132kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 0 14074 14074 14074 Node 0 Normal free:13111616kB min:39660kB low:54072kB high:68484kB active_anon:36372kB inactive_anon:140kB active_file:449540kB inactive_file:355296kB unevictable:0kB writepending:0kB present:14680064kB managed:14412260kB mlocked:0kB slab_reclaimable:77256kB slab_unreclaimable:86096kB kernel_stack:8184kB pagetables:3132kB bounce:0kB free_pcp:45712kB local_pcp:212kB free_cma:0kB lowmem_reserve[]: 0 0 0 0 0 Node 1 Normal free:14864424kB min:45432kB low:61940kB high:78448kB active_anon:56132kB inactive_anon:6736kB active_file:165296kB inactive_file:1072264kB unevictable:0kB writepending:0kB present:16777216kB managed:16508964kB mlocked:0kB slab_reclaimable:98060kB slab_unreclaimable:95540kB kernel_stack:7880kB pagetables:3264kB bounce:0kB free_pcp:46848kB local_pcp:640kB free_cma:0kB lowmem_reserve[]: 0 0 0 0 0 Node 0 DMA: 1*4kB (U) 1*8kB (U) 0*16kB 0*32kB 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15884kB Node 0 DMA32: 13*4kB (UM) 10*8kB (UM) 13*16kB (UM) 11*32kB (M) 18*64kB (UM) 9*128kB (UM) 16*256kB (UM) 12*512kB (UM) 12*1024kB (UM) 10*2048kB (UM) 443*4096kB (M) = 1860532kB Node 0 Normal: 2765*4kB (UME) 737*8kB (UME) 145*16kB (UME) 251*32kB (UME) 626*64kB (UM) 255*128kB (UME) 46*256kB (UME) 23*512kB (UE) 15*1024kB (U) 8*2048kB (U) 3163*4096kB (M) = 13110956kB Node 1 Normal: 3422*4kB (UME) 1039*8kB (UME) 158*16kB (UME) 852*32kB (UME) 1125*64kB (UME) 617*128kB (UE) 329*256kB (UME) 117*512kB (UME) 18*1024kB (UM) 6*2048kB (U) 3537*4096kB (M) = 14865168kB Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB 513078 total pagecache pages 0 pages in swap cache Swap cache stats: add 0, delete 0, find 0/0 Free swap = 10485756kB Total swap = 10485756kB 8355357 pages RAM 0 pages HighMem/MovableOnly 154743 pages reserved 0 pages cma reserved 0 pages hwpoisoned -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. 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