Tetsuo Handa wrote: > Michal Hocko wrote: > > On Wed 10-01-18 22:37:52, Tetsuo Handa wrote: > > > Michal Hocko wrote: > > > > On Wed 10-01-18 20:49:56, Tetsuo Handa wrote: > > > > > Tetsuo Handa wrote: > > > > > > I can hit this bug with Linux 4.11 and 4.8. (i.e. at least all 4.8+ have this bug.) > > > > > > So far I haven't hit this bug with Linux 4.8-rc3 and 4.7. > > > > > > Does anyone know what is happening? > > > > > > > > > > I simplified the reproducer and succeeded to reproduce this bug with both > > > > > i7-2630QM (8 core) and i5-4440S (4 core). Thus, I think that this bug is > > > > > not architecture specific. > > > > > > > > Can you see the same with 64b kernel? > > > > > > No. I can hit this bug with only x86_32 kernels. > > > But if the cause is not specific to 32b, this might be silent memory corruption. > > > > > > > It smells like a ref count imbalance and premature page free to me. Can > > > > you try to bisect this? > > > > > > Too difficult to bisect, but at least I can hit this bug with 4.8+ kernels. > > The bug in 4.8 kernel might be different from the bug in 4.15-rc7 kernel. > 4.15-rc7 kernel hits the bug so trivially. CONFIG_HIGHMEM4G=y or CONFIG_HIGHMEM64G=y x86_32 kernel hits this bug. [ 0.000000] 2184MB HIGHMEM available. [ 0.000000] 887MB LOWMEM available. [ 0.000000] mapped low ram: 0 - 377fe000 [ 0.000000] low ram: 0 - 377fe000 [ 0.000000] Zone ranges: [ 0.000000] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 0.000000] Normal [mem 0x0000000001000000-0x00000000377fdfff] [ 0.000000] HighMem [mem 0x00000000377fe000-0x00000000bfffffff] [ 0.000000] 4230MB HIGHMEM available. [ 0.000000] 889MB LOWMEM available. [ 0.000000] mapped low ram: 0 - 379fe000 [ 0.000000] low ram: 0 - 379fe000 [ 0.000000] crashkernel: memory value expected [ 0.000000] Zone ranges: [ 0.000000] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 0.000000] Normal [mem 0x0000000001000000-0x00000000379fdfff] [ 0.000000] HighMem [mem 0x00000000379fe000-0x000000013fffffff] CONFIG_NOHIGHMEM=y x86_32 kernel does not hit this bug. [ 0.000000] Warning only 891MB will be used. [ 0.000000] Use a HIGHMEM enabled kernel. [ 0.000000] 891MB LOWMEM available. [ 0.000000] mapped low ram: 0 - 37bfe000 [ 0.000000] low ram: 0 - 37bfe000 [ 0.000000] Zone ranges: [ 0.000000] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 0.000000] Normal [mem 0x0000000001000000-0x0000000037bfdfff] x86_64 kernel does not show HighMem line. [ 0.000000] Reserving 256MB of memory at 448MB for crashkernel (System RAM: 4095MB) [ 0.000000] Zone ranges: [ 0.000000] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 0.000000] DMA32 [mem 0x0000000001000000-0x00000000ffffffff] [ 0.000000] Normal [mem 0x0000000100000000-0x000000013fffffff] Thus, I suspect that somewhere is confusing HighMem pages and !HighMem pages. [ 2.845150] systemd-journald[128]: Received SIGTERM from PID 1 (systemd). [ 2.859834] bash: 31 output lines suppressed due to ratelimiting [ 8.234776] random: crng init done [ 58.935340] WARNING: CPU: 0 PID: 720 at fs/xfs/xfs_aops.c:1468 xfs_vm_set_page_dirty+0x12d/0x210 [xfs] [ 58.939192] Modules linked in: xfs libcrc32c sr_mod cdrom ata_generic sd_mod pata_acpi vmwgfx drm_kms_helper syscopyarea sysfillrect sysimgblt fb_sys_fops ttm mptspi drm crc32c_intel scsi_transport_spi serio_raw ata_piix mptscsih libata e1000 mptbase i2c_core [ 58.948541] CPU: 0 PID: 720 Comm: b.out Not tainted 4.15.0-rc7+ #309 [ 58.951330] Hardware name: VMware, Inc. VMware Virtual Platform/440BX Desktop Reference Platform, BIOS 6.00 07/02/2015 [ 58.956375] EIP: xfs_vm_set_page_dirty+0x12d/0x210 [xfs] [ 58.958909] EFLAGS: 00010046 CPU: 0 [ 58.960846] EAX: 13000010 EBX: f3bd61d8 ECX: f3bd61d8 EDX: f3bd61cc [ 58.963663] ESI: 00000246 EDI: f4503f68 EBP: eed8d9ec ESP: eed8d9c4 [ 58.966515] DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068 [ 58.969065] CR0: 80050033 CR2: b7f07700 CR3: 33453a80 CR4: 000406f0 [ 58.971948] Call Trace: [ 58.973593] set_page_dirty+0x42/0xa0 [ 58.975606] try_to_unmap_one+0x417/0x6c0 [ 58.977768] rmap_walk_file+0xf0/0x1e0 [ 58.979878] rmap_walk+0x37/0x60 [ 58.981781] try_to_unmap+0x52/0xd0 [ 58.983645] ? page_remove_rmap+0x270/0x270 [ 58.985938] ? page_not_mapped+0x20/0x20 [ 58.988044] ? page_get_anon_vma+0x80/0x80 [ 58.990222] shrink_page_list+0x3f6/0xef0 [ 58.992275] shrink_inactive_list+0x1c2/0x530 [ 58.994528] ? check_preempt_wakeup+0x181/0x230 [ 58.996757] shrink_node_memcg+0x352/0x770 [ 58.998710] shrink_node+0xc3/0x2f0 [ 59.000481] do_try_to_free_pages+0xc9/0x320 [ 59.002494] try_to_free_pages+0x163/0x420 [ 59.004472] __alloc_pages_slowpath+0x280/0x8e4 [ 59.006613] ? release_pages+0x13a/0x340 [ 59.008508] ? __accumulate_pelt_segments+0x37/0x50 [ 59.010835] __alloc_pages_nodemask+0x23b/0x260 [ 59.012955] do_anonymous_page+0xef/0x5a0 [ 59.014879] ? set_next_entity+0x96/0x280 [ 59.016772] handle_mm_fault+0x888/0xa50 [ 59.018665] __do_page_fault+0x1e3/0x4d0 [ 59.020609] ? __do_page_fault+0x4d0/0x4d0 [ 59.022481] do_page_fault+0x29/0xe0 [ 59.024165] ? __do_page_fault+0x4d0/0x4d0 [ 59.025992] ? __do_page_fault+0x4d0/0x4d0 [ 59.027808] common_exception+0x6f/0x76 [ 59.029566] EIP: 0x8048437 [ 59.031034] EFLAGS: 00010202 CPU: 0 [ 59.032699] EAX: 004c5000 EBX: 7ff00000 ECX: 382cd008 EDX: 00000000 [ 59.035109] ESI: 7ff00000 EDI: 00000000 EBP: bfbc6198 ESP: bfbc6160 [ 59.037516] DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 007b [ 59.039825] Code: e4 8d 58 0c 89 d8 e8 23 c6 8c c8 89 c6 8b 45 e8 8b 50 04 85 d2 74 5b 8b 40 14 a8 01 0f 85 d3 00 00 00 8b 45 e8 8b 00 a8 08 75 7b <0f> ff 8b 7d e8 8b 55 e4 89 f8 e8 94 0a 38 c8 8b 47 14 a8 01 0f [ 59.046971] ---[ end trace a3882c406e0b0b93 ]--- [ 59.061588] b.out invoked oom-killer: gfp_mask=0x14280ca(GFP_HIGHUSER_MOVABLE|__GFP_ZERO), nodemask=(null), order=0, oom_score_adj=0 [ 59.066371] b.out cpuset=/ mems_allowed=0 [ 59.068273] CPU: 0 PID: 798 Comm: b.out Tainted: G W 4.15.0-rc7+ #309 [ 59.071107] Hardware name: VMware, Inc. VMware Virtual Platform/440BX Desktop Reference Platform, BIOS 6.00 07/02/2015 [ 59.075456] Call Trace: [ 59.076963] dump_stack+0x58/0x78 [ 59.078653] dump_header+0x70/0x271 [ 59.080371] ? ___ratelimit+0x83/0xf0 [ 59.082086] oom_kill_process+0x1f5/0x3f0 [ 59.083881] ? has_capability_noaudit+0x1a/0x30 [ 59.086106] ? oom_badness+0xe1/0x140 [ 59.087885] out_of_memory+0xe6/0x280 [ 59.089653] __alloc_pages_slowpath+0x647/0x8e4 [ 59.091643] __alloc_pages_nodemask+0x23b/0x260 [ 59.093741] do_anonymous_page+0xef/0x5a0 [ 59.095767] ? set_next_entity+0x96/0x280 [ 59.097770] handle_mm_fault+0x888/0xa50 [ 59.099640] __do_page_fault+0x1e3/0x4d0 [ 59.101440] ? __do_page_fault+0x4d0/0x4d0 [ 59.103344] do_page_fault+0x29/0xe0 [ 59.105011] ? __do_page_fault+0x4d0/0x4d0 [ 59.106821] ? __do_page_fault+0x4d0/0x4d0 [ 59.108635] common_exception+0x6f/0x76 [ 59.110432] EIP: 0x8048437 [ 59.111920] EFLAGS: 00010202 CPU: 0 [ 59.113598] EAX: 003e5000 EBX: 7ff00000 ECX: 382a3008 EDX: 00000000 [ 59.116181] ESI: 7ff00000 EDI: 00000000 EBP: bf8ccc08 ESP: bf8ccbd0 [ 59.118630] DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 007b [ 59.120851] ? move_vma+0x90/0x280 [ 59.122535] Mem-Info: [ 59.123848] active_anon:957369 inactive_anon:2048 isolated_anon:0 [ 59.123848] active_file:8 inactive_file:32 isolated_file:34 [ 59.123848] unevictable:0 dirty:0 writeback:0 unstable:0 [ 59.123848] slab_reclaimable:1481 slab_unreclaimable:2749 [ 59.123848] mapped:0 shmem:2050 pagetables:24289 bounce:0 [ 59.123848] free:39933 free_pcp:63 free_cma:0 [ 59.137797] Node 0 active_anon:3829476kB inactive_anon:8192kB active_file:32kB inactive_file:128kB unevictable:0kB isolated(anon):0kB isolated(file):136kB mapped:0kB dirty:0kB writeback:0kB shmem:8200kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 59.150272] DMA free:15912kB min:788kB low:984kB high:1180kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15916kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 59.164549] lowmem_reserve[]: 0 803 4009 4009 [ 59.166791] Normal free:143380kB min:40868kB low:51084kB high:61300kB active_anon:568644kB inactive_anon:0kB active_file:20kB inactive_file:44kB unevictable:0kB writepending:0kB present:894968kB managed:840896kB mlocked:0kB kernel_stack:4760kB pagetables:97156kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB [ 59.179026] lowmem_reserve[]: 0 0 25647 25647 [ 59.181335] HighMem free:440kB min:512kB low:41276kB high:82040kB active_anon:3260828kB inactive_anon:8192kB active_file:12kB inactive_file:24kB unevictable:0kB writepending:0kB present:3282888kB managed:3282888kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:132kB local_pcp:132kB free_cma:0kB [ 59.193942] lowmem_reserve[]: 0 0 0 0 [ 59.196116] DMA: 0*4kB 1*8kB (U) 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15912kB [ 59.202192] Normal: 159*4kB (UE) 91*8kB (UE) 36*16kB (UME) 18*32kB (UE) 9*64kB (UE) 6*128kB (UME) 3*256kB (UE) 3*512kB (UME) 2*1024kB (ME) 2*2048kB (UE) 32*4096kB (M) = 143380kB [ 59.209381] HighMem: 6*4kB (UM) 4*8kB (UM) 4*16kB (UM) 4*32kB (UM) 1*64kB (M) 1*128kB (U) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 440kB [ 59.215678] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 59.220196] 2125 total pagecache pages [ 59.222587] 0 pages in swap cache [ 59.224777] Swap cache stats: add 0, delete 0, find 0/0 [ 59.227634] Free swap = 0kB [ 59.229594] Total swap = 0kB [ 59.231533] 1048462 pages RAM [ 59.233527] 820722 pages HighMem/MovableOnly [ 59.235870] 13537 pages reserved [ 59.237905] 0 pages cma reserved [ 59.239980] Out of memory: Kill process 388 (b.out) score 3 or sacrifice child [ 59.243277] Killed process 388 (b.out) total-vm:2099260kB, anon-rss:16688kB, file-rss:12kB, shmem-rss:0kB [ 66.736837] ------------[ cut here ]------------ [ 66.739227] list_add corruption. next->prev should be prev (cf64836e), but was 6673909a. (next=b675dd8b). [ 66.743934] WARNING: CPU: 0 PID: 720 at lib/list_debug.c:25 __list_add_valid+0x3f/0x90 [ 66.747137] Modules linked in: xfs libcrc32c sr_mod cdrom ata_generic sd_mod pata_acpi vmwgfx drm_kms_helper syscopyarea sysfillrect sysimgblt fb_sys_fops ttm mptspi drm crc32c_intel scsi_transport_spi serio_raw ata_piix mptscsih libata e1000 mptbase i2c_core [ 66.756725] CPU: 0 PID: 720 Comm: b.out Tainted: G W 4.15.0-rc7+ #309 [ 66.759984] Hardware name: VMware, Inc. VMware Virtual Platform/440BX Desktop Reference Platform, BIOS 6.00 07/02/2015 [ 66.764940] EIP: __list_add_valid+0x3f/0x90 [ 66.767046] EFLAGS: 00010096 CPU: 0 [ 66.768984] EAX: 0000005d EBX: 00000200 ECX: c1b3bce8 EDX: 00000086 [ 66.771626] ESI: f4503f7c EDI: f4503f7c EBP: eed8db40 ESP: eed8db2c [ 66.774286] DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068 [ 66.776701] CR0: 80050033 CR2: 08048437 CR3: 33453a80 CR4: 000406f0 [ 66.779404] Call Trace: [ 66.781033] putback_inactive_pages+0x13f/0x3b0 [ 66.783198] shrink_inactive_list+0x215/0x530 [ 66.785300] ? check_preempt_wakeup+0x181/0x230 [ 66.787465] shrink_node_memcg+0x352/0x770 [ 66.789431] shrink_node+0xc3/0x2f0 [ 66.791192] do_try_to_free_pages+0xc9/0x320 [ 66.793156] try_to_free_pages+0x163/0x420 [ 66.795057] __alloc_pages_slowpath+0x280/0x8e4 [ 66.797072] ? release_pages+0x13a/0x340 [ 66.798908] ? __accumulate_pelt_segments+0x37/0x50 [ 66.800993] __alloc_pages_nodemask+0x23b/0x260 [ 66.802991] do_anonymous_page+0xef/0x5a0 [ 66.804855] ? set_next_entity+0x96/0x280 [ 66.806716] handle_mm_fault+0x888/0xa50 [ 66.808573] __do_page_fault+0x1e3/0x4d0 [ 66.810423] ? __do_page_fault+0x4d0/0x4d0 [ 66.812325] do_page_fault+0x29/0xe0 [ 66.814069] ? __do_page_fault+0x4d0/0x4d0 [ 66.815902] ? __do_page_fault+0x4d0/0x4d0 [ 66.817738] common_exception+0x6f/0x76 [ 66.819512] EIP: 0x8048437 [ 66.820931] EFLAGS: 00010202 CPU: 0 [ 66.822529] EAX: 004c5000 EBX: 7ff00000 ECX: 382cd008 EDX: 00000000 [ 66.824891] ESI: 7ff00000 EDI: 00000000 EBP: bfbc6198 ESP: bfbc6160 [ 66.827199] DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 007b [ 66.829285] Code: 39 c8 74 2d 39 c3 74 29 b8 01 00 00 00 83 c4 10 5b 5d c3 89 4c 24 0c 89 5c 24 08 89 54 24 04 c7 04 24 70 aa 8d c1 e8 b1 e5 d2 ff <0f> ff 31 c0 eb dc 89 4c 24 0c 89 5c 24 08 89 44 24 04 c7 04 24 [ 66.836182] ---[ end trace a3882c406e0b0b94 ]--- [ 66.844058] ------------[ cut here ]------------ [ 66.845963] list_add corruption. next->prev should be prev (cf64836e), but was 6673909a. (next=b675dd8b). [ 66.849814] WARNING: CPU: 0 PID: 30 at lib/list_debug.c:25 __list_add_valid+0x3f/0x90 [ 66.852599] Modules linked in: xfs libcrc32c sr_mod cdrom ata_generic sd_mod pata_acpi vmwgfx drm_kms_helper syscopyarea sysfillrect sysimgblt fb_sys_fops ttm mptspi drm crc32c_intel scsi_transport_spi serio_raw ata_piix mptscsih libata e1000 mptbase i2c_core [ 66.861186] CPU: 0 PID: 30 Comm: kswapd0 Tainted: G W 4.15.0-rc7+ #309 [ 66.864078] Hardware name: VMware, Inc. VMware Virtual Platform/440BX Desktop Reference Platform, BIOS 6.00 07/02/2015 [ 66.868375] EIP: __list_add_valid+0x3f/0x90 [ 66.870277] EFLAGS: 00010096 CPU: 0 [ 66.872003] EAX: 0000005d EBX: 00000200 ECX: c1b3bce8 EDX: 00000082 [ 66.874461] ESI: f4503f7c EDI: f55738bc EBP: f352dd50 ESP: f352dd3c [ 66.876985] DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068 [ 66.879233] CR0: 80050033 CR2: b7d9f2a0 CR3: 33560d20 CR4: 000406f0 [ 66.881768] Call Trace: [ 66.883233] putback_inactive_pages+0x13f/0x3b0 [ 66.885256] shrink_inactive_list+0x215/0x530 [ 66.887211] shrink_node_memcg+0x352/0x770 [ 66.889120] ? _cond_resched+0x17/0x30 [ 66.890928] shrink_node+0xc3/0x2f0 [ 66.892748] kswapd+0x257/0x670 [ 66.894395] kthread+0xdb/0x110 [ 66.896078] ? mem_cgroup_shrink_node+0x160/0x160 [ 66.898157] ? kthread_worker_fn+0x160/0x160 [ 66.900153] ret_from_fork+0x19/0x24 [ 66.901902] Code: 39 c8 74 2d 39 c3 74 29 b8 01 00 00 00 83 c4 10 5b 5d c3 89 4c 24 0c 89 5c 24 08 89 54 24 04 c7 04 24 70 aa 8d c1 e8 b1 e5 d2 ff <0f> ff 31 c0 eb dc 89 4c 24 0c 89 5c 24 08 89 44 24 04 c7 04 24 [ 66.909496] ---[ end trace a3882c406e0b0b95 ]--- (...snipped...) [ 67.964739] ------------[ cut here ]------------ [ 67.966833] list_add corruption. next->prev should be prev (cf64836e), but was 6673909a. (next=b675dd8b). [ 67.971133] WARNING: CPU: 0 PID: 30 at lib/list_debug.c:25 __list_add_valid+0x3f/0x90 [ 67.974100] Modules linked in: xfs libcrc32c sr_mod cdrom ata_generic sd_mod pata_acpi vmwgfx drm_kms_helper syscopyarea sysfillrect sysimgblt fb_sys_fops ttm mptspi drm crc32c_intel scsi_transport_spi serio_raw ata_piix mptscsih libata e1000 mptbase i2c_core [ 67.982900] CPU: 0 PID: 30 Comm: kswapd0 Tainted: G W 4.15.0-rc7+ #309 [ 67.985849] Hardware name: VMware, Inc. VMware Virtual Platform/440BX Desktop Reference Platform, BIOS 6.00 07/02/2015 [ 67.990519] EIP: __list_add_valid+0x3f/0x90 [ 67.992533] EFLAGS: 00010096 CPU: 0 [ 67.994334] EAX: 0000005d EBX: 00000200 ECX: c1b3bce8 EDX: 00000082 [ 67.996837] ESI: f4503f7c EDI: f5573b14 EBP: f352dd50 ESP: f352dd3c [ 67.999430] DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068 [ 68.001757] CR0: 80050033 CR2: b7d9f2a0 CR3: 33436e20 CR4: 000406f0 [ 68.004304] Call Trace: [ 68.005785] putback_inactive_pages+0x13f/0x3b0 [ 68.007812] shrink_inactive_list+0x215/0x530 [ 68.009804] shrink_node_memcg+0x352/0x770 [ 68.011771] ? _cond_resched+0x17/0x30 [ 68.013593] shrink_node+0xc3/0x2f0 [ 68.015379] kswapd+0x257/0x670 [ 68.017047] kthread+0xdb/0x110 [ 68.018674] ? mem_cgroup_shrink_node+0x160/0x160 [ 68.020700] ? kthread_worker_fn+0x160/0x160 [ 68.022667] ret_from_fork+0x19/0x24 [ 68.024436] Code: 39 c8 74 2d 39 c3 74 29 b8 01 00 00 00 83 c4 10 5b 5d c3 89 4c 24 0c 89 5c 24 08 89 54 24 04 c7 04 24 70 aa 8d c1 e8 b1 e5 d2 ff <0f> ff 31 c0 eb dc 89 4c 24 0c 89 5c 24 08 89 44 24 04 c7 04 24 [ 68.031947] ---[ end trace a3882c406e0b0ba3 ]--- [ 68.034203] ------------[ cut here ]------------ [ 68.036504] list_del corruption, b675dd8b->next is LIST_POISON1 (490f1932) [ 68.039405] WARNING: CPU: 0 PID: 30 at lib/list_debug.c:47 __list_del_entry_valid+0x47/0xa0 [ 68.042497] Modules linked in: xfs libcrc32c sr_mod cdrom ata_generic sd_mod pata_acpi vmwgfx drm_kms_helper syscopyarea sysfillrect sysimgblt fb_sys_fops ttm mptspi drm crc32c_intel scsi_transport_spi serio_raw ata_piix mptscsih libata e1000 mptbase i2c_core [ 68.051350] CPU: 0 PID: 30 Comm: kswapd0 Tainted: G W 4.15.0-rc7+ #309 [ 68.054343] Hardware name: VMware, Inc. VMware Virtual Platform/440BX Desktop Reference Platform, BIOS 6.00 07/02/2015 [ 68.059006] EIP: __list_del_entry_valid+0x47/0xa0 [ 68.061197] EFLAGS: 00010086 CPU: 0 [ 68.063002] EAX: 0000003e EBX: f4503f7c ECX: c1b3bce8 EDX: 00000082 [ 68.065590] ESI: f3c60c18 EDI: f352dd90 EBP: f352dd4c ESP: f352dd40 [ 68.068098] DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068 [ 68.070375] CR0: 80050033 CR2: b7d9f2a0 CR3: 33436e20 CR4: 000406f0 [ 68.072858] Call Trace: [ 68.074311] isolate_lru_pages.isra.65+0x210/0x360 [ 68.076482] ? putback_inactive_pages+0x13f/0x3b0 [ 68.078583] ? apic_timer_interrupt+0x3c/0x44 [ 68.080537] shrink_active_list+0xb1/0x3a0 [ 68.082502] ? inactive_list_is_low.isra.64+0x12b/0x1f0 [ 68.084688] shrink_node_memcg+0x3a2/0x770 [ 68.086600] shrink_node+0xc3/0x2f0 [ 68.088372] kswapd+0x257/0x670 [ 68.090007] kthread+0xdb/0x110 [ 68.091642] ? mem_cgroup_shrink_node+0x160/0x160 [ 68.093779] ? kthread_worker_fn+0x160/0x160 [ 68.095686] ret_from_fork+0x19/0x24 [ 68.097479] Code: 09 39 c8 75 46 8b 52 04 39 d0 75 25 b8 01 00 00 00 c9 c3 89 44 24 04 c7 44 24 08 00 01 00 00 c7 04 24 40 ab 8d c1 e8 19 e5 d2 ff <0f> ff 31 c0 c9 c3 89 54 24 08 89 44 24 04 c7 04 24 e4 ab 8d c1 [ 68.104937] ---[ end trace a3882c406e0b0ba4 ]--- [ 68.107030] ------------[ cut here ]------------ [ 68.109187] kernel BUG at mm/vmscan.c:1560! [ 68.111147] invalid opcode: 0000 [#1] SMP [ 68.112978] Modules linked in: xfs libcrc32c sr_mod cdrom ata_generic sd_mod pata_acpi vmwgfx drm_kms_helper syscopyarea sysfillrect sysimgblt fb_sys_fops ttm mptspi drm crc32c_intel scsi_transport_spi serio_raw ata_piix mptscsih libata e1000 mptbase i2c_core [ 68.121527] CPU: 0 PID: 30 Comm: kswapd0 Tainted: G W 4.15.0-rc7+ #309 [ 68.124410] Hardware name: VMware, Inc. VMware Virtual Platform/440BX Desktop Reference Platform, BIOS 6.00 07/02/2015 [ 68.129258] EIP: isolate_lru_pages.isra.65+0x248/0x360 [ 68.132206] EFLAGS: 00010082 CPU: 0 [ 68.134103] EAX: ffffffea EBX: f4503f7c ECX: f352df68 EDX: 00000000 [ 68.136776] ESI: f3c60c18 EDI: 00000001 EBP: f352ddc8 ESP: f352dd54 [ 68.139404] DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068 [ 68.141700] CR0: 80050033 CR2: b7d9f2a0 CR3: 33436e20 CR4: 000406f0 [ 68.144202] Call Trace: [ 68.145656] ? putback_inactive_pages+0x13f/0x3b0 [ 68.147714] ? apic_timer_interrupt+0x3c/0x44 [ 68.149628] shrink_active_list+0xb1/0x3a0 [ 68.151576] ? inactive_list_is_low.isra.64+0x12b/0x1f0 [ 68.153749] shrink_node_memcg+0x3a2/0x770 [ 68.155605] shrink_node+0xc3/0x2f0 [ 68.157303] kswapd+0x257/0x670 [ 68.158884] kthread+0xdb/0x110 [ 68.160500] ? mem_cgroup_shrink_node+0x160/0x160 [ 68.162491] ? kthread_worker_fn+0x160/0x160 [ 68.164366] ret_from_fork+0x19/0x24 [ 68.166050] Code: 10 8b 45 b0 8b 38 89 c2 89 d8 89 f9 e8 02 36 1b 00 84 c0 0f 84 d5 fe ff ff 8b 45 b0 89 5f 04 89 3b 89 43 04 89 18 e9 c3 fe ff ff <0f> 0b 8d b6 00 00 00 00 89 d8 e8 69 36 1b 00 84 c0 74 0a 8b 13 [ 68.173408] EIP: isolate_lru_pages.isra.65+0x248/0x360 SS:ESP: 0068:f352dd54 [ 68.176105] ---[ end trace a3882c406e0b0ba5 ]--- [ 68.178248] Kernel panic - not syncing: Fatal exception [ 68.180517] Kernel Offset: 0x0 from 0xc1000000 (relocation range: 0xc0000000-0xf81fdfff) [ 68.183605] Rebooting in 5 seconds.. [ 73.262601] ACPI MEMORY or I/O RESET_REG.
