Public bug reported:
Mar 15 13:51:28 airiot kernel: [78812.273886] NMI watchdog: BUG: soft lockup -
CPU#2 stuck for 22s! [java:3427]
Mar 15 13:51:28 airiot kernel: [78812.273929] Modules linked in: xt_multiport
ip6t_REJECT nf_reject_ipv6 nf_log_ipv6 xt_hl ip6t_rt ipt_REJECT nf_reject_ipv4
nf_log_ipv4 nf_log_common xt_LOG xt_limit xt_tcpudp xt_addrtype
nf_conntrack_netbios_ns nf_conntrack_broadcast nf_nat_ftp nf_nat
nf_conntrack_ftp nf_conntrack_ipv6 nf_defrag_ipv6 ip6table_filter ip6_tables
nf_conntrack_ipv4 nf_defrag_ipv4 xt_recent xt_conntrack nf_conntrack
iptable_filter crct10dif_pclmul crc32_pclmul ghash_clmulni_intel aesni_intel
aes_x86_64 lrw glue_helper ablk_helper ppdev cryptd input_leds joydev i2c_piix4
mac_hid parport_pc serio_raw parport qemu_fw_cfg ip_tables x_tables autofs4
btrfs raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx
xor raid6_pq libcrc32c raid1 raid0 multipath linear hid_generic usbhid hid
psmouse e1000 virtio_scsi pata_acpi floppy
Mar 15 13:51:28 airiot kernel: [78812.273935] CPU: 2 PID: 3427 Comm: java
Tainted: G L 4.8.0-41-generic #44-Ubuntu
Mar 15 13:51:28 airiot kernel: [78812.273936] Hardware name: Hetzner vServer,
BIOS 1.8.2 04/01/2014
Mar 15 13:51:28 airiot kernel: [78812.273938] task: ffff999f6ae2ac40
task.stack: ffff999f674f0000
Mar 15 13:51:28 airiot kernel: [78812.273946] RIP: 0010:[<ffffffffb070b4e1>]
[<ffffffffb070b4e1>] smp_call_function_many+0x1f1/0x250
Mar 15 13:51:28 airiot kernel: [78812.273947] RSP: 0018:ffff999f674f3ca0
EFLAGS: 00000202
Mar 15 13:51:28 airiot kernel: [78812.273947] RAX: 0000000000000003 RBX:
0000000000000200 RCX: 0000000000000003
Mar 15 13:51:28 airiot kernel: [78812.273948] RDX: ffff999f7fd9d720 RSI:
0000000000000200 RDI: ffff999f7fd1a288
Mar 15 13:51:28 airiot kernel: [78812.273949] RBP: ffff999f674f3cd8 R08:
fffffffffffffffe R09: 0000000000000009
Mar 15 13:51:28 airiot kernel: [78812.273949] R10: 0000000000000008 R11:
0000000000000206 R12: ffff999f7fd1a288
Mar 15 13:51:28 airiot kernel: [78812.273950] R13: ffff999f7fd1a280 R14:
ffffffffb06723b0 R15: ffff999f674f3ce8
Mar 15 13:51:28 airiot kernel: [78812.273951] FS: 00007f50936dc700(0000)
GS:ffff999f7fd00000(0000) knlGS:0000000000000000
Mar 15 13:51:28 airiot kernel: [78812.273952] CS: 0010 DS: 0000 ES: 0000 CR0:
0000000080050033
Mar 15 13:51:28 airiot kernel: [78812.273953] CR2: 00007fd9e89a0004 CR3:
000000042abc9000 CR4: 00000000000406e0
Mar 15 13:51:28 airiot kernel: [78812.273957] Stack:
Mar 15 13:51:28 airiot kernel: [78812.273962] 000000000001a240
01ff999f00000001 ffff999f6520a000 00007f50936cc000
Mar 15 13:51:28 airiot kernel: [78812.273964] ffff999f6520a2d8
00007f50936c7000 0000000000000005 ffff999f674f3d20
Mar 15 13:51:28 airiot kernel: [78812.273966] ffffffffb0672805
ffff999f6520a000 00007f50936c7000 00007f50936cc000
Mar 15 13:51:28 airiot kernel: [78812.273966] Call Trace:
Mar 15 13:51:28 airiot kernel: [78812.273971] [<ffffffffb0672805>]
native_flush_tlb_others+0x65/0x130
Mar 15 13:51:28 airiot kernel: [78812.273973] [<ffffffffb06729e3>]
flush_tlb_mm_range+0x63/0x150
Mar 15 13:51:28 airiot kernel: [78812.273986] [<ffffffffb07d7083>]
tlb_flush_mmu_tlbonly+0x63/0xd0
Mar 15 13:51:28 airiot kernel: [78812.273988] [<ffffffffb07d83a4>]
tlb_finish_mmu+0x14/0x50
Mar 15 13:51:28 airiot kernel: [78812.273990] [<ffffffffb07da52d>]
zap_page_range+0xed/0x140
Mar 15 13:51:28 airiot kernel: [78812.273992] [<ffffffffb07e498e>] ?
do_mmap+0x42e/0x510
Mar 15 13:51:28 airiot kernel: [78812.274007] [<ffffffffb09c0b28>] ?
apparmor_mmap_file+0x18/0x20
Mar 15 13:51:28 airiot kernel: [78812.274009] [<ffffffffb07f016c>]
SyS_madvise+0x3cc/0x8b0
Mar 15 13:51:28 airiot kernel: [78812.274014] [<ffffffffb07c5756>] ?
vm_mmap_pgoff+0xc6/0xf0
Mar 15 13:51:28 airiot kernel: [78812.274019] [<ffffffffb069063b>] ?
recalc_sigpending+0x1b/0x50
Mar 15 13:51:28 airiot kernel: [78812.274021] [<ffffffffb0693db6>] ?
__set_current_blocked+0x36/0x60
Mar 15 13:51:28 airiot kernel: [78812.274039] [<ffffffffb0ea04f6>]
entry_SYSCALL_64_fastpath+0x1e/0xa8
Mar 15 13:51:28 airiot kernel: [78812.274059] Code: d2 e8 04 ba 33 00 3b 05 c2
3a e5 00 89 c1 0f 8d 99 fe ff ff 48 98 49 8b 55 00 48 03 14 c5 e0 c5 55 b1 8b
42 18 a8 01 74 09 f3 90 <8b> 42 18 a8 01 75 f7 eb bf 0f b6 4d d0 4c 89 fa 4c 89
f6 44 89
Mar 15 13:51:28 airiot kernel: [78812.274227] [<ffffffffb07b0138>]
clear_page_dirty_for_io+0x98/0x1b0
Mar 15 13:51:28 airiot kernel: [78812.274245] [<ffffffffb08c4f47>]
mpage_submit_page+0x47/0x80
Mar 15 13:51:28 airiot kernel: [78812.274248] [<ffffffffb08c507b>]
mpage_process_page_bufs+0xfb/0x110
Mar 15 13:51:28 airiot kernel: [78812.274251] [<ffffffffb08c63a3>]
mpage_prepare_extent_to_map+0x203/0x310
Mar 15 13:51:28 airiot kernel: [78812.274260] [<ffffffffb08caa69>] ?
ext4_writepages+0x499/0xd00
Mar 15 13:51:28 airiot kernel: [78812.274272] [<ffffffffb08fc62d>] ?
__ext4_journal_start_sb+0x6d/0x120
Mar 15 13:51:28 airiot kernel: [78812.274275] [<ffffffffb08caa8a>]
ext4_writepages+0x4ba/0xd00
Mar 15 13:51:28 airiot kernel: [78812.274289] [<ffffffffb0a3170f>] ?
fprop_fraction_percpu+0x2f/0x80
Mar 15 13:51:28 airiot kernel: [78812.274292] [<ffffffffb07b140e>]
do_writepages+0x1e/0x30
Mar 15 13:51:28 airiot kernel: [78812.274295] [<ffffffffb0863ed5>]
__writeback_single_inode+0x45/0x320
Mar 15 13:51:28 airiot kernel: [78812.274316] [<ffffffffb08646d8>]
writeback_sb_inodes+0x268/0x5f0
Mar 15 13:51:28 airiot kernel: [78812.274321] [<ffffffffb0864af2>]
__writeback_inodes_wb+0x92/0xc0
Mar 15 13:51:28 airiot kernel: [78812.274324] [<ffffffffb0864e68>]
wb_writeback+0x278/0x310
Mar 15 13:51:28 airiot kernel: [78812.274327] [<ffffffffb08657b4>]
wb_workfn+0x234/0x410
Mar 15 13:51:28 airiot kernel: [78812.274335] [<ffffffffb069d96c>]
process_one_work+0x1fc/0x4b0
Mar 15 13:51:28 airiot kernel: [78812.274338] [<ffffffffb069dc6b>]
worker_thread+0x4b/0x500
Mar 15 13:51:28 airiot kernel: [78812.274339] [<ffffffffb069dc20>] ?
process_one_work+0x4b0/0x4b0
Mar 15 13:51:28 airiot kernel: [78812.274343] [<ffffffffb06a40d8>]
kthread+0xd8/0xf0
Mar 15 13:51:28 airiot kernel: [78812.274347] [<ffffffffb0ea071f>]
ret_from_fork+0x1f/0x40
Mar 15 13:51:28 airiot kernel: [78812.274349] [<ffffffffb06a4000>] ?
kthread_create_on_node+0x1e0/0x1e0
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1673057
Title:
NMI watchdog: BUG: soft lockup - CPU#2 stuck for 22s! [java:3427]
Status in linux package in Ubuntu:
New
Bug description:
Mar 15 13:51:28 airiot kernel: [78812.273886] NMI watchdog: BUG: soft lockup
- CPU#2 stuck for 22s! [java:3427]
Mar 15 13:51:28 airiot kernel: [78812.273929] Modules linked in: xt_multiport
ip6t_REJECT nf_reject_ipv6 nf_log_ipv6 xt_hl ip6t_rt ipt_REJECT nf_reject_ipv4
nf_log_ipv4 nf_log_common xt_LOG xt_limit xt_tcpudp xt_addrtype
nf_conntrack_netbios_ns nf_conntrack_broadcast nf_nat_ftp nf_nat
nf_conntrack_ftp nf_conntrack_ipv6 nf_defrag_ipv6 ip6table_filter ip6_tables
nf_conntrack_ipv4 nf_defrag_ipv4 xt_recent xt_conntrack nf_conntrack
iptable_filter crct10dif_pclmul crc32_pclmul ghash_clmulni_intel aesni_intel
aes_x86_64 lrw glue_helper ablk_helper ppdev cryptd input_leds joydev i2c_piix4
mac_hid parport_pc serio_raw parport qemu_fw_cfg ip_tables x_tables autofs4
btrfs raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx
xor raid6_pq libcrc32c raid1 raid0 multipath linear hid_generic usbhid hid
psmouse e1000 virtio_scsi pata_acpi floppy
Mar 15 13:51:28 airiot kernel: [78812.273935] CPU: 2 PID: 3427 Comm: java
Tainted: G L 4.8.0-41-generic #44-Ubuntu
Mar 15 13:51:28 airiot kernel: [78812.273936] Hardware name: Hetzner vServer,
BIOS 1.8.2 04/01/2014
Mar 15 13:51:28 airiot kernel: [78812.273938] task: ffff999f6ae2ac40
task.stack: ffff999f674f0000
Mar 15 13:51:28 airiot kernel: [78812.273946] RIP: 0010:[<ffffffffb070b4e1>]
[<ffffffffb070b4e1>] smp_call_function_many+0x1f1/0x250
Mar 15 13:51:28 airiot kernel: [78812.273947] RSP: 0018:ffff999f674f3ca0
EFLAGS: 00000202
Mar 15 13:51:28 airiot kernel: [78812.273947] RAX: 0000000000000003 RBX:
0000000000000200 RCX: 0000000000000003
Mar 15 13:51:28 airiot kernel: [78812.273948] RDX: ffff999f7fd9d720 RSI:
0000000000000200 RDI: ffff999f7fd1a288
Mar 15 13:51:28 airiot kernel: [78812.273949] RBP: ffff999f674f3cd8 R08:
fffffffffffffffe R09: 0000000000000009
Mar 15 13:51:28 airiot kernel: [78812.273949] R10: 0000000000000008 R11:
0000000000000206 R12: ffff999f7fd1a288
Mar 15 13:51:28 airiot kernel: [78812.273950] R13: ffff999f7fd1a280 R14:
ffffffffb06723b0 R15: ffff999f674f3ce8
Mar 15 13:51:28 airiot kernel: [78812.273951] FS: 00007f50936dc700(0000)
GS:ffff999f7fd00000(0000) knlGS:0000000000000000
Mar 15 13:51:28 airiot kernel: [78812.273952] CS: 0010 DS: 0000 ES: 0000
CR0: 0000000080050033
Mar 15 13:51:28 airiot kernel: [78812.273953] CR2: 00007fd9e89a0004 CR3:
000000042abc9000 CR4: 00000000000406e0
Mar 15 13:51:28 airiot kernel: [78812.273957] Stack:
Mar 15 13:51:28 airiot kernel: [78812.273962] 000000000001a240
01ff999f00000001 ffff999f6520a000 00007f50936cc000
Mar 15 13:51:28 airiot kernel: [78812.273964] ffff999f6520a2d8
00007f50936c7000 0000000000000005 ffff999f674f3d20
Mar 15 13:51:28 airiot kernel: [78812.273966] ffffffffb0672805
ffff999f6520a000 00007f50936c7000 00007f50936cc000
Mar 15 13:51:28 airiot kernel: [78812.273966] Call Trace:
Mar 15 13:51:28 airiot kernel: [78812.273971] [<ffffffffb0672805>]
native_flush_tlb_others+0x65/0x130
Mar 15 13:51:28 airiot kernel: [78812.273973] [<ffffffffb06729e3>]
flush_tlb_mm_range+0x63/0x150
Mar 15 13:51:28 airiot kernel: [78812.273986] [<ffffffffb07d7083>]
tlb_flush_mmu_tlbonly+0x63/0xd0
Mar 15 13:51:28 airiot kernel: [78812.273988] [<ffffffffb07d83a4>]
tlb_finish_mmu+0x14/0x50
Mar 15 13:51:28 airiot kernel: [78812.273990] [<ffffffffb07da52d>]
zap_page_range+0xed/0x140
Mar 15 13:51:28 airiot kernel: [78812.273992] [<ffffffffb07e498e>] ?
do_mmap+0x42e/0x510
Mar 15 13:51:28 airiot kernel: [78812.274007] [<ffffffffb09c0b28>] ?
apparmor_mmap_file+0x18/0x20
Mar 15 13:51:28 airiot kernel: [78812.274009] [<ffffffffb07f016c>]
SyS_madvise+0x3cc/0x8b0
Mar 15 13:51:28 airiot kernel: [78812.274014] [<ffffffffb07c5756>] ?
vm_mmap_pgoff+0xc6/0xf0
Mar 15 13:51:28 airiot kernel: [78812.274019] [<ffffffffb069063b>] ?
recalc_sigpending+0x1b/0x50
Mar 15 13:51:28 airiot kernel: [78812.274021] [<ffffffffb0693db6>] ?
__set_current_blocked+0x36/0x60
Mar 15 13:51:28 airiot kernel: [78812.274039] [<ffffffffb0ea04f6>]
entry_SYSCALL_64_fastpath+0x1e/0xa8
Mar 15 13:51:28 airiot kernel: [78812.274059] Code: d2 e8 04 ba 33 00 3b 05
c2 3a e5 00 89 c1 0f 8d 99 fe ff ff 48 98 49 8b 55 00 48 03 14 c5 e0 c5 55 b1
8b 42 18 a8 01 74 09 f3 90 <8b> 42 18 a8 01 75 f7 eb bf 0f b6 4d d0 4c 89 fa 4c
89 f6 44 89
Mar 15 13:51:28 airiot kernel: [78812.274227] [<ffffffffb07b0138>]
clear_page_dirty_for_io+0x98/0x1b0
Mar 15 13:51:28 airiot kernel: [78812.274245] [<ffffffffb08c4f47>]
mpage_submit_page+0x47/0x80
Mar 15 13:51:28 airiot kernel: [78812.274248] [<ffffffffb08c507b>]
mpage_process_page_bufs+0xfb/0x110
Mar 15 13:51:28 airiot kernel: [78812.274251] [<ffffffffb08c63a3>]
mpage_prepare_extent_to_map+0x203/0x310
Mar 15 13:51:28 airiot kernel: [78812.274260] [<ffffffffb08caa69>] ?
ext4_writepages+0x499/0xd00
Mar 15 13:51:28 airiot kernel: [78812.274272] [<ffffffffb08fc62d>] ?
__ext4_journal_start_sb+0x6d/0x120
Mar 15 13:51:28 airiot kernel: [78812.274275] [<ffffffffb08caa8a>]
ext4_writepages+0x4ba/0xd00
Mar 15 13:51:28 airiot kernel: [78812.274289] [<ffffffffb0a3170f>] ?
fprop_fraction_percpu+0x2f/0x80
Mar 15 13:51:28 airiot kernel: [78812.274292] [<ffffffffb07b140e>]
do_writepages+0x1e/0x30
Mar 15 13:51:28 airiot kernel: [78812.274295] [<ffffffffb0863ed5>]
__writeback_single_inode+0x45/0x320
Mar 15 13:51:28 airiot kernel: [78812.274316] [<ffffffffb08646d8>]
writeback_sb_inodes+0x268/0x5f0
Mar 15 13:51:28 airiot kernel: [78812.274321] [<ffffffffb0864af2>]
__writeback_inodes_wb+0x92/0xc0
Mar 15 13:51:28 airiot kernel: [78812.274324] [<ffffffffb0864e68>]
wb_writeback+0x278/0x310
Mar 15 13:51:28 airiot kernel: [78812.274327] [<ffffffffb08657b4>]
wb_workfn+0x234/0x410
Mar 15 13:51:28 airiot kernel: [78812.274335] [<ffffffffb069d96c>]
process_one_work+0x1fc/0x4b0
Mar 15 13:51:28 airiot kernel: [78812.274338] [<ffffffffb069dc6b>]
worker_thread+0x4b/0x500
Mar 15 13:51:28 airiot kernel: [78812.274339] [<ffffffffb069dc20>] ?
process_one_work+0x4b0/0x4b0
Mar 15 13:51:28 airiot kernel: [78812.274343] [<ffffffffb06a40d8>]
kthread+0xd8/0xf0
Mar 15 13:51:28 airiot kernel: [78812.274347] [<ffffffffb0ea071f>]
ret_from_fork+0x1f/0x40
Mar 15 13:51:28 airiot kernel: [78812.274349] [<ffffffffb06a4000>] ?
kthread_create_on_node+0x1e0/0x1e0
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