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Date: Wed, 1 Jul 2020 10:29:04 +0200
From: Michal Hocko <mhocko@...nel.org>
To: Naresh Kamboju <naresh.kamboju@...aro.org>
Cc: Shakeel Butt <shakeelb@...gle.com>,
Johannes Weiner <hannes@...xchg.org>,
Andrew Morton <akpm@...ux-foundation.org>,
linux-mm <linux-mm@...ck.org>,
open list <linux-kernel@...r.kernel.org>,
Roman Gushchin <guro@...com>, lkft-triage@...ts.linaro.org,
Chris Down <chris@...isdown.name>
Subject: Re: BUG: Bad page state in process - page dumped because: page still
charged to cgroup
Smells like a different observable problem with the same/similar culprit
as http://lkml.kernel.org/r/CA+G9fYtrgF_EZHi0vi+HyWiXT5LGggDhVXtNspc=OzzFhL=xRQ@mail.gmail.com
On Wed 01-07-20 13:48:57, Naresh Kamboju wrote:
> While running LTP mm test suite on x86_64 device the BUG: Bad page
> state in process
> noticed on linux-next 20200630 tag.
>
> Steps to reproduce:
> - boot linux-next 20200630 kernel on x86_64 device
> - cd /opt/ltp
> - ./runltp -f mm
>
> metadata:
> git branch: master
> git repo: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
> git commit: f2b92b14533e646e434523abdbafddb727c23898
> git describe: next-20200630
> kernel-config:
> https://builds.tuxbuild.com/j60yrp7CUpq3LCmqMB8Wdg/kernel.config
>
> Test crash dump:
> [ 803.905169] Node 0 Normal: 2608*4kB (UMEH) 1380*8kB (UMEH) 64*16kB
> (MEH) 28*32kB (MEH) 13*64kB (UMEH) 164*128kB (UMEH) 39*256kB (UE)
> 1*512kB (M) 1*1024kB (M) 1*2048kB (M) 1*4096kB (M) = 62880kB
> [ 803.922375] Node 0 hugepages_total=0 hugepages_free=0
> hugepages_surp=0 hugepages_size=2048kB
> [ 803.930806] 2418 total pagecache pages
> [ 803.934559] 0 pages in swap cache
> [ 803.937878] Swap cache stats: add 0, delete 0, find 0/0
> [ 803.943108] Free swap = 0kB
> [ 803.945997] Total swap = 0kB
> [ 803.948885] 4181245 pages RAM
> [ 803.951857] 0 pages HighMem/MovableOnly
> [ 803.955695] 626062 pages reserved
> [ 803.959016] Tasks state (memory values in pages):
> [ 803.963722] [ pid ] uid tgid total_vm rss pgtables_bytes
> swapents oom_score_adj name
> [ 803.972336] [ 332] 0 332 8529 507 106496
> 0 0 systemd-journal
> [ 803.981387] [ 349] 0 349 10730 508 118784
> 0 -1000 systemd-udevd
> [ 803.990262] [ 371] 993 371 8666 108 118784
> 0 0 systemd-network
> [ 803.999306] [ 379] 992 379 9529 99 110592
> 0 0 systemd-resolve
> [ 804.008347] [ 388] 0 388 2112 19 61440
> 0 0 syslogd
> [ 804.016709] [ 389] 995 389 9308 108 122880
> 0 0 avahi-daemon
> [ 804.025517] [ 391] 0 391 1075 21 57344
> 0 0 acpid
> [ 804.033695] [ 394] 995 394 9277 68 114688
> 0 0 avahi-daemon
> [ 804.042476] [ 396] 996 396 7241 154 102400
> 0 -900 dbus-daemon
> [ 804.051170] [ 397] 0 397 2313 72 65536
> 0 0 crond
> [ 804.059349] [ 399] 0 399 34025 161 167936
> 0 0 thermald
> [ 804.067783] [ 400] 0 400 8615 115 110592
> 0 0 systemd-logind
> [ 804.076734] [ 401] 0 401 2112 32 57344
> 0 0 klogd
> [ 804.084907] [ 449] 65534 449 3245 39 69632
> 0 0 dnsmasq
> [ 804.093254] [ 450] 0 450 3187 33 73728
> 0 0 agetty
> [ 804.101541] [ 452] 0 452 3187 33 73728
> 0 0 agetty
> [ 804.109826] [ 453] 0 453 14707 107 159744
> 0 0 login
> [ 804.118007] [ 463] 0 463 9532 163 122880
> 0 0 systemd
> [ 804.126362] [ 464] 0 464 16132 424 172032
> 0 0 (sd-pam)
> [ 804.134803] [ 468] 0 468 4538 105 81920
> 0 0 sh
> [ 804.142741] [ 472] 0 472 11102 83 131072
> 0 0 su
> [ 804.150680] [ 473] 0 473 4538 99 81920
> 0 0 sh
> [ 804.158637] [ 519] 0 519 2396 57 61440
> 0 0 lava-test-runne
> [ 804.167700] [ 1220] 0 1220 2396 52 61440
> 0 0 lava-test-shell
> [ 804.176738] [ 1221] 0 1221 2396 55 61440
> 0 0 sh
> [ 804.184680] [ 1223] 0 1223 2462 135 61440
> 0 0 ltp.sh
> [ 804.192946] [ 1242] 0 1242 2462 134 61440
> 0 0 ltp.sh
> [ 804.201207] [ 1243] 0 1243 2462 134 61440
> 0 0 ltp.sh
> [ 804.209475] [ 1244] 0 1244 2462 134 61440
> 0 0 ltp.sh
> [ 804.217742] [ 1245] 0 1245 2561 229 65536
> 0 0 runltp
> [ 804.226010] [ 1246] 0 1246 1072 15 53248
> 0 0 tee
> [ 804.234012] [ 1313] 0 1313 1070 29 53248
> 0 0 ltp-pan
> [ 804.242374] [ 3216] 0 3216 1613 20 53248
> 0 0 oom01
> [ 804.250554] [ 3217] 0 3217 1646 31 57344
> 0 0 oom01
> [ 804.258728] [ 3245] 0 3245 81271 469 266240
> 0 0 NetworkManager
> [ 804.267688] [ 3249] 0 3249 6422 54 98304
> 0 0 systemd-hostnam
> [ 804.276734] [ 3250] 0 3250 52976 178 172032
> 0 0 nm-dispatcher
> [ 804.285603] [ 3254] 998 3254 131113 828 245760
> 0 0 polkitd
> [ 804.293956] [ 3261] 0 3261 4726385 3349389 26939392
> 0 0 oom01
> [ 804.302129] [ 3265] 0 3265 3187 33 73728
> 0 0 agetty
> [ 804.310397] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0,global_oom,task_memcg=/,task=oom01,pid=3261,uid=0
> [ 804.322751] Out of memory: Killed process 3261 (oom01)
> total-vm:18905540kB, anon-rss:13397556kB, file-rss:0kB, shmem-rss:0kB,
> UID:0 pgtables:26308kB oom_score_adj:0
> [ 806.652952] oom_reaper: reaped process 3261 (oom01), now
> anon-rss:0kB, file-rss:0kB, shmem-rss:0kB
> [ 807.579373] BUG: Bad page state in process kworker/u8:12 pfn:374308
> [ 807.579521] BUG: Bad page state in process kworker/u8:13 pfn:4182a4
> [ 807.585734] page:ffffea000dd0c200 refcount:0 mapcount:0
> mapping:0000000000000000 index:0xffff88837430e000
> head:ffffea000dd0c200 order:3 compound_mapcount:0 compound_pincount:0
> [ 807.585736] flags: 0x200000000010000(head)
> [ 807.585740] raw: 0200000000010000 ffffea000dce6e00 0000000200000002
> 0000000000000000
> [ 807.592099] page:ffffea001060a900 refcount:0 mapcount:0
> mapping:0000000000000000 index:0xffff8884182a5e00
> head:ffffea001060a900 order:1 compound_mapcount:0
> [ 807.607719] raw: ffff88837430e000 0000000000040000 00000000ffffffff
> ffff8883bda6cac1
> [ 807.607720] page dumped because: page still charged to cgroup
> [ 807.607720] page->mem_cgroup:ffff8883bda6cac1
> [ 807.607721] Modules linked in: x86_pkg_temp_thermal
> [ 807.607725] CPU: 0 PID: 3242 Comm: kworker/u8:12 Not tainted
> 5.8.0-rc3-next-20200630 #1
> [ 807.607727] Hardware name: Supermicro SYS-5019S-ML/X11SSH-F, BIOS
> 2.0b 07/27/2017
> [ 807.607731] Workqueue: rpciod rpc_async_schedule
> [ 807.611836] flags: 0x200000000010000(head)
> [ 807.619563] Call Trace:
> [ 807.619567] dump_stack+0x84/0xba
> [ 807.619569] bad_page.cold+0x7b/0xac
> [ 807.619573] __free_pages_ok+0x95b/0xab0
> [ 807.633461] raw: 0200000000010000 dead000000000100 dead000000000122
> 0000000000000000
> [ 807.641189] __free_pages+0x42/0x50
> [ 807.641191] __free_slab+0xcd/0x1f0
> [ 807.641195] ? stack_trace_save+0x8f/0xc0
> [ 807.646938] raw: ffff8884182a5e00 0000000000190000 00000000ffffffff
> ffff88841963e401
> [ 807.651285] discard_slab+0x33/0x50
> [ 807.651288] unfreeze_partials.isra.0+0x11f/0x150
> [ 807.651291] ? __free_pages+0x31/0x50
> [ 807.656167] page dumped because: page still charged to cgroup
> [ 807.664154] put_cpu_partial+0x8e/0xe0
> [ 807.664156] __slab_free+0x222/0x340
> [ 807.664160] ? qlist_free_all+0x25/0xc0
> [ 807.671636] page->mem_cgroup:ffff88841963e401
> [ 807.676243] ___cache_free+0x1a7/0x1f0
> [ 807.676246] qlist_free_all+0x3e/0xc0
> [ 807.676248] quarantine_reduce+0x11b/0x150
> [ 807.676250] __kasan_kmalloc.constprop.0+0xa3/0xe0
> [ 807.680345] Modules linked in: x86_pkg_temp_thermal
> [ 807.682788] ? xprt_alloc_slot+0x1ff/0x260
> [ 807.682790] kasan_slab_alloc+0xe/0x10
> [ 807.682792] kmem_cache_alloc_trace+0xc8/0x4d0
> [ 807.682795] xprt_alloc_slot+0x1ff/0x260
> [ 807.790462] xprt_do_reserve+0x3c/0x380
> [ 807.794303] xprt_reserve+0x94/0x100
> [ 807.797881] ? rpc_set_connect_timeout+0x90/0x90
> [ 807.802492] call_reserve+0x36/0x40
> [ 807.805985] __rpc_execute+0x137/0x680
> [ 807.809738] ? set_next_entity+0xa7/0x3a0
> [ 807.813750] ? rpc_sleep_on_priority_timeout+0x60/0x60
> [ 807.818881] ? __kasan_check_write+0x14/0x20
> [ 807.823153] ? finish_task_switch+0x9b/0x380
> [ 807.827419] rpc_async_schedule+0x48/0x80
> [ 807.831430] process_one_work+0x474/0x7b0
> [ 807.835441] worker_thread+0x7b/0x6a0
> [ 807.839113] ? wake_up_process+0x10/0x20
> [ 807.843043] ? process_one_work+0x7b0/0x7b0
> [ 807.847230] kthread+0x1aa/0x200
> [ 807.850462] ? kthread_create_on_node+0xd0/0xd0
> [ 807.854996] ret_from_fork+0x22/0x30
> [ 807.858573] Disabling lock debugging due to kernel taint
> [ 807.858576] CPU: 3 PID: 3243 Comm: kworker/u8:13 Not tainted
> 5.8.0-rc3-next-20200630 #1
> [ 807.858578] Hardware name: Supermicro SYS-5019S-ML/X11SSH-F, BIOS
> 2.0b 07/27/2017
> [ 807.863888] BUG: Bad page state in process kworker/u8:12 pfn:3739b8
> [ 807.871887] Workqueue: rpciod rpc_async_schedule
> [ 807.879358] page:ffffea000dce6e00 refcount:0 mapcount:0
> mapping:0000000000000000 index:0xffff8883739be000
> head:ffffea000dce6e00 order:3 compound_mapcount:0 compound_pincount:0
> [ 807.885699] Call Trace:
> [ 807.885702] dump_stack+0x84/0xba
> [ 807.890309] flags: 0x200000000010000(head)
> [ 807.890312] raw: 0200000000010000 0000000000000000 0000000300000003
> 0000000000000000
> [ 807.905929] bad_page.cold+0x7b/0xac
> [ 807.908374] raw: ffff8883739be000 0000000000040000 00000000ffffffff
> ffff8883bda6c841
> [ 807.911683] __free_pages_ok+0x95b/0xab0
> [ 807.915772] page dumped because: page still charged to cgroup
> [ 807.923506] ? _raw_read_lock_irq+0x40/0x40
> [ 807.927089] page->mem_cgroup:ffff8883bda6c841
> [ 807.927105] Modules linked in: x86_pkg_temp_thermal
> [ 807.934850] ? __free_slab+0xcd/0x1f0
> [ 807.961559] __free_pages+0x42/0x50
> [ 807.965045] __free_slab+0xcd/0x1f0
> [ 807.968537] discard_slab+0x33/0x50
> [ 807.972030] __slab_free+0x309/0x340
> [ 807.975607] ? __slab_free+0x309/0x340
> [ 807.979352] ? qlist_free_all+0x25/0xc0
> [ 807.983182] ___cache_free+0x1a7/0x1f0
> [ 807.986927] qlist_free_all+0x3e/0xc0
> [ 807.990593] quarantine_reduce+0x11b/0x150
> [ 807.994692] __kasan_kmalloc.constprop.0+0xa3/0xe0
> [ 807.999484] kasan_slab_alloc+0xe/0x10
> [ 808.003238] __kmalloc_node_track_caller+0xfa/0x580
> [ 808.008123] ? __alloc_skb+0xd7/0x310
> [ 808.011783] __kmalloc_reserve.isra.0+0x2c/0x90
> [ 808.016316] __alloc_skb+0xd7/0x310
> [ 808.019808] ? __kmalloc_reserve.isra.0+0x90/0x90
> [ 808.024515] ? sk_reset_timer+0x15/0x70
> [ 808.028354] sk_stream_alloc_skb+0x96/0x4a0
> [ 808.032539] tcp_sendmsg_locked+0x657/0x1740
> [ 808.036811] ? tcp_rcv_established+0x44a/0xbe0
> [ 808.041259] ? tcp_data_queue+0x1c00/0x1c00
> [ 808.045445] ? tcp_sendpage+0x50/0x50
> [ 808.049119] ? __kasan_check_write+0x14/0x20
> [ 808.053390] ? _raw_spin_lock_bh+0x81/0xd0
> [ 808.057481] ? tcp_release_cb+0x46/0x1f0
> [ 808.061399] tcp_sendmsg+0x28/0x40
> [ 808.064804] inet_sendmsg+0x5f/0x90
> [ 808.068290] ? inet_send_prepare+0x110/0x110
> [ 808.072562] sock_sendmsg+0x92/0xa0
> [ 808.076073] xprt_sock_sendmsg+0x1d9/0x410
> [ 808.080197] ? csum_partial_copy_to_xdr+0x2f0/0x2f0
> [ 808.085090] ? __kasan_check_write+0x14/0x20
> [ 808.089384] ? _raw_spin_lock_irqsave+0x7c/0xd0
> [ 808.093915] ? quarantine_reduce+0x133/0x150
> [ 808.098179] ? kasan_unpoison_shadow+0x38/0x50
> [ 808.102620] ? recalibrate_cpu_khz+0x10/0x10
> [ 808.106892] xs_tcp_send_request+0x203/0x400
> [ 808.111164] ? xs_tcp_set_socket_timeouts.isra.0+0x150/0x150
> [ 808.116823] ? _raw_read_lock_irq+0x40/0x40
> [ 808.121010] ? _raw_read_lock_irq+0x40/0x40
> [ 808.125196] xprt_transmit+0x23f/0x770
> [ 808.128947] call_transmit+0xec/0x130
> [ 808.132612] ? call_bind+0x100/0x100
> [ 808.136183] __rpc_execute+0x137/0x680
> [ 808.139937] ? set_next_entity+0xa7/0x3a0
> [ 808.143949] ? rpc_sleep_on_priority_timeout+0x60/0x60
> [ 808.149092] ? __kasan_check_write+0x14/0x20
> [ 808.153388] ? finish_task_switch+0x9b/0x380
> [ 808.157659] ? __kasan_check_write+0x14/0x20
> [ 808.161931] rpc_async_schedule+0x48/0x80
> [ 808.165936] process_one_work+0x474/0x7b0
> [ 808.169949] worker_thread+0x7b/0x6a0
> [ 808.173616] ? wake_up_process+0x10/0x20
> [ 808.177542] ? process_one_work+0x7b0/0x7b0
> [ 808.181725] kthread+0x1aa/0x200
> [ 808.184949] ? kthread_create_on_node+0xd0/0xd0
> [ 808.189476] ret_from_fork+0x22/0x30
> [ 808.193054] CPU: 0 PID: 3242 Comm: kworker/u8:12 Tainted: G B
> 5.8.0-rc3-next-20200630 #1
> [ 808.200915] BUG: Bad page state in process systemd-journal pfn:4002fa
> [ 808.202464] Hardware name: Supermicro SYS-5019S-ML/X11SSH-F, BIOS
> 2.0b 07/27/2017
> [ 808.202467] Workqueue: rpciod rpc_async_schedule
> [ 808.208986] page:ffffea001000be80 refcount:0 mapcount:0
> mapping:0000000000000000 index:0x1
> [ 808.216461] Call Trace:
> [ 808.216464] dump_stack+0x84/0xba
> [ 808.221072] flags: 0x200000000000000()
> [ 808.229326] bad_page.cold+0x7b/0xac
> [ 808.231769] raw: 0200000000000000 dead000000000100 dead000000000122
> 0000000000000000
> [ 808.235079] __free_pages_ok+0x95b/0xab0
> mem.c:147: PASS:[ 808.238823] raw: 0000000000000001 0000000000100000
> 00000000ffffffff ffff88841cc82901
> [ 808.242401] __free_pages+0x42/0x50
> [ 808.250131] page dumped because: page still charged to cgroup
> [ 808.250132] page->mem_cgroup:ffff88841cc82901
> [ 808.254058] __free_slab+0xcd/0x1f0
> [ 808.263174] Modules linked in: x86_pkg_temp_thermal
> [ 808.266661] ? stack_trace_save+0x8f/0xc0
> [ 808.289125] discard_slab+0x33/0x50
> [ 808.292616] unfreeze_partials.isra.0+0x11f/0x150
> [ 808.297323] ? __free_pages+0x31/0x50
> [ 808.300989] put_cpu_partial+0x8e/0xe0
> [ 808.304741] __slab_free+0x222/0x340
> [ 808.308319] ? qlist_free_all+0x25/0xc0
> [ 808.312150] ___cache_free+0x1a7/0x1f0
> [ 808.315894] qlist_free_all+0x3e/0xc0
> [ 808.319553] quarantine_reduce+0x11b/0x150
> [ 808.323652] __kasan_kmalloc.constprop.0+0xa3/0xe0
> [ 808.328443] ? xprt_alloc_slot+0x1ff/0x260
> [ 808.332534] kasan_slab_alloc+0xe/0x10
> [ 808.336278] kmem_cache_alloc_trace+0xc8/0x4d0
> [ 808.340715] xprt_alloc_slot+0x1ff/0x260
> [ 808.344634] xprt_do_reserve+0x3c/0x380
> [ 808.348473] xprt_reserve+0x94/0x100
> [ 808.352073] ? rpc_set_connect_timeout+0x90/0x90
> [ 808.356688] call_reserve+0x36/0x40
> [ 808.360172] __rpc_execute+0x137/0x680
> [ 808.363915] ? set_next_entity+0xa7/0x3a0
> [ 808.367920] ? rpc_sleep_on_priority_timeout+0x60/0x60
> [ 808.373075] ? __kasan_check_write+0x14/0x20
> [ 808.377341] ? finish_task_switch+0x9b/0x380
> [ 808.381613] rpc_async_schedule+0x48/0x80
> [ 808.385619] process_one_work+0x474/0x7b0
> [ 808.389632] worker_thread+0x7b/0x6a0
> [ 808.393297] ? wake_up_process+0x10/0x20
> [ 808.397223] ? process_one_work+0x7b0/0x7b0
> [ 808.401408] kthread+0x1aa/0x200
> [ 808.404632] ? kthread_create_on_node+0xd0/0xd0
> [ 808.409156] ret_from_fork+0x22/0x30
> [ 808.412737] CPU: 1 PID: 332 Comm: systemd-journal Tainted: G B
> 5.8.0-rc3-next-20200630 #1
> [ 808.422232] Hardware name: Supermicro SYS-5019S-ML/X11SSH-F, BIOS
> 2.0b 07/27/2017
> [ 808.429703] Call Trace:
> [ 808.432151] dump_stack+0x84/0xba
> [ 808.435494] bad_page.cold+0x7b/0xac
> [ 808.439081] free_pcppages_bulk+0x33a/0xaa0
> [ 808.443286] ? free_pcp_prepare+0x180/0x180
> [ 808.447473] free_unref_page_commit.isra.0+0x143/0x160
> [ 808.452612] free_unref_page+0x4a/0x60
> [ 808.456364] __free_pages+0x31/0x50
> [ 808.459856] __free_slab+0xcd/0x1f0
> [ 808.463341] discard_slab+0x33/0x50
> [ 808.466834] unfreeze_partials.isra.0+0x11f/0x150
> [ 808.471540] ? __free_pages+0x42/0x50
> [ 808.475207] put_cpu_partial+0x8e/0xe0
> [ 808.478959] __slab_free+0x222/0x340
> [ 808.482538] ? qlist_free_all+0x25/0xc0
> [ 808.486377] ___cache_free+0x1a7/0x1f0
> [ 808.490128] qlist_free_all+0x3e/0xc0
> [ 808.493788] quarantine_reduce+0x11b/0x150
> [ 808.497886] __kasan_kmalloc.constprop.0+0xa3/0xe0
> [ 808.502678] ? prepare_creds+0x24/0x330
> [ 808.506518] kasan_slab_alloc+0xe/0x10
> [ 808.510271] kmem_cache_alloc+0xc6/0x4b0
> [ 808.514197] prepare_creds+0x24/0x330
> [ 808.517863] do_faccessat+0x247/0x3d0
> [ 808.521527] ? __ia32_sys_fallocate+0x60/0x60
> [ 808.525880] ? fpregs_assert_state_consistent+0x55/0x60
> [ 808.531108] ? __prepare_exit_to_usermode+0x77/0x1a0
> [ 808.536077] __x64_sys_access+0x33/0x40
> [ 808.539929] do_syscall_64+0x43/0x70
> [ 808.543508] entry_SYSCALL_64_after_hwframe+0x44/0xa9
> [ 808.548557] RIP: 0033:0x7efdea32e237
> [ 808.552128] Code: Bad RIP value.
> [ 808.555353] RSP: 002b:00007ffd76bbfa58 EFLAGS: 00000246 ORIG_RAX:
> 0000000000000015
> [ 808.562909] RAX: ffffffffffffffda RBX: 00007ffd76bc2560 RCX: 00007efdea32e237
> [ 808.570034] RDX: 00007efdea975be8 RSI: 0000000000000000 RDI: 00005633af888580
> [ 808.577157] RBP: 00007ffd76bbfaa0 R08: 0000000000000000 R09: 0000000000000000
> [ 808.584281] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
> [ 808.591406] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000009
> [ 808.598532] BUG: Bad page state in process systemd-journal pfn:418192
> [ 808.605075] page:ffffea0010606480 refcount:0 mapcount:0
> mapping:0000000000000000 index:0x1
> [ 808.613367] flags: 0x200000000000000()
> [ 808.617115] raw: 0200000000000000 dead000000000100 dead000000000122
> 0000000000000000
> [ 808.624851] raw: 0000000000000001 0000000000100000 00000000ffffffff
> ffff88841cc82601
> [ 808.632580] page dumped because: page still charged to cgroup
> [ 808.638318] page->mem_cgroup:ffff88841cc82601
> [ 808.642668] Modules linked in: x86_pkg_temp_thermal
> [ 808.647543] CPU: 1 PID: 332 Comm: systemd-journal Tainted: G B
> 5.8.0-rc3-next-20200630 #1
> [ 808.657013] Hardware name: Supermicro SYS-5019S-ML/X11SSH-F, BIOS
> 2.0b 07/27/2017
>
>
> Full test log link,
> https://lkft.validation.linaro.org/scheduler/job/1535880#L11102
>
> --
> Linaro LKFT
> https://lkft.linaro.org
--
Michal Hocko
SUSE Labs
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