** Description changed:
Bug Description:
this issue（mapcount 0 page_mapcount 1） has already been resolved by
3.13.0-36, but this bug arised.
memory usage is close to 100 percent.
Here is I believe the first record in syslog when it starts:
- Jul 3 09:50:08 GMQ-CAS01-CVK01 kernel: [2764507.350057] sd 1:0:0:22: [sdd]
Test WP failed, assume Write Enabled
- Jul 3 09:50:08 GMQ-CAS01-CVK01 kernel: [2764507.350210] sd 1:0:0:22: [sdd]
Asking for cache data failed
- Jul 3 09:50:08 GMQ-CAS01-CVK01 kernel: [2764507.350220] sd 1:0:0:22: [sdd]
Assuming drive cache: write through
- Jul 3 09:50:08 GMQ-CAS01-CVK01 kernel: [2764507.654448] mapcount 0
page_mapcount 1
- Jul 3 09:50:08 GMQ-CAS01-CVK01 kernel: [2764507.654556] ------------[ cut
here ]------------
- Jul 3 09:50:08 GMQ-CAS01-CVK01 kernel: [2764507.654561] Kernel BUG at
ffffffff811b23bc [verbose debug info unavailable]
- Jul 3 09:50:08 GMQ-CAS01-CVK01 kernel: [2764507.654566] invalid opcode: 0000
[#1] SMP
- Jul 3 09:50:08 GMQ-CAS01-CVK01 kernel: [2764507.654570] Modules linked in:
ip6table_filter(F) ip6_tables(F) iptable_filter(F) ip_tables(F) ebtable_nat(F)
ebtables(F) x_tables(F) ocfs2(OF) quota_tree(F) drbd(F) lru_cache(F) 8021q(F)
mrp(F) garp(F) stp(F) llc(F) vhost_net(F) macvtap(F) macvlan(F) vhost(F)
kvm_intel(F) kvm(F) ib_iser(F) rdma_cm(F) ib_cm(F) iw_cm(F) ib_sa(F) ib_mad(F)
ib_core(F) ib_addr(F) iscsi_tcp(F) libiscsi_tcp(F) libiscsi(F)
scsi_transport_iscsi(F) ocfs2_dlmfs(OF) ocfs2_stack_o2cb(OF) ocfs2_dlm(OF)
ocfs2_nodemanager(OF) ocfs2_stackglue(OF) configfs(F) openvswitch(OF)
libcrc32c(F) gre(F) nfsd(F) nfs_acl(F) auth_rpcgss(F) nfs(F) fscache(F)
lockd(F) sunrpc(F) gpio_ich(F) dm_multipath(F) scsi_dh(F) psmouse(F)
serio_raw(F) lpc_ich(F) sb_edac(F) hpilo(F) edac_core(F) ioatdma(F) hpwdt(F)
dca(F) acpi_power_meter(F) mac_hid(F) lp(F) parport(F) tg3(F) ptp(F) hpsa(F)
pps_core(F) nbd(F) [last unloaded: ipmi_si]
- Jul 3 09:50:08 GMQ-CAS01-CVK01 kernel: [2764507.654663] CPU: 25 PID: 613
Comm: kswapd3 Tainted: GF O 3.13. #1
- Jul 3 09:50:08 GMQ-CAS01-CVK01 kernel: [2764507.654667] Hardware name: H3C
FlexServer R590, BIOS P77 12/20/2013
- Jul 3 09:50:08 GMQ-CAS01-CVK01 kernel: [2764507.654670] task:
ffff880fe7c8c830 ti: ffff880fe6c7e000 task.ti: ffff880fe6c7e000
- Jul 3 09:50:08 GMQ-CAS01-CVK01 kernel: [2764507.654674] RIP:
0010:[<ffffffff811b23bc>] [<ffffffff811b23bc>]
split_huge_page_to_list+0x2dc/0x7b0
- Jul 3 09:50:08 GMQ-CAS01-CVK01 kernel: [2764507.654689] RSP:
0018:ffff880fe6c7f858 EFLAGS: 00010297
- Jul 3 09:50:08 GMQ-CAS01-CVK01 kernel: [2764507.654692] RAX:
0000000000000001 RBX: ffff883fde776f18 RCX: 0000000000000000
- Jul 3 09:50:08 GMQ-CAS01-CVK01 kernel: [2764507.654695] RDX:
ffff88403f82fff0 RSI: ffff88403f82e3d8 RDI: 0000000000000246
- Jul 3 09:50:08 GMQ-CAS01-CVK01 kernel: [2764507.654699] RBP:
ffff880fe6c7f918 R08: 0000000000000000 R09: 0000000000000000
- Jul 3 09:50:08 GMQ-CAS01-CVK01 kernel: [2764507.654702] R10:
00000000001eb0af R11: 0e200e200e200e20 R12: 0000000000000000
- Jul 3 09:50:08 GMQ-CAS01-CVK01 kernel: [2764507.654706] R13:
ffff881fe681aa00 R14: ffffea00f4ae8000 R15: ffffea00f4ae8000
- Jul 3 09:50:08 GMQ-CAS01-CVK01 kernel: [2764507.654710] FS:
0000000000000000(0000) GS:ffff88403f820000(0000) knlGS:0000000000000000
- Jul 3 09:50:08 GMQ-CAS01-CVK01 kernel: [2764507.654713] CS: 0010 DS: 0000
ES: 0000 CR0: 0000000080050033
- Jul 3 09:50:08 GMQ-CAS01-CVK01 kernel: [2764507.654716] CR2:
000000003bfc2000 CR3: 0000000001c0d000 CR4: 00000000000427e0
- Jul 3 09:50:08 GMQ-CAS01-CVK01 kernel: [2764507.654720] DR0:
0000000000000003 DR1: 00000000000000b0 DR2: 0000000000000001
- Jul 3 09:50:08 GMQ-CAS01-CVK01 kernel: [2764507.654724] DR3:
0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
- Jul 3 09:50:08 GMQ-CAS01-CVK01 kernel: [2764507.654726] Stack:
- Jul 3 09:50:08 GMQ-CAS01-CVK01 kernel: [2764507.654729] ffffea00f4ae8000
ffff880fe5bc6980 ffff880f00000000 ffffffff81193bba
- Jul 3 09:50:08 GMQ-CAS01-CVK01 kernel: [2764507.654741] ffff883fe75c6300
00000007f4474000 0000000000042541 0000000000042541
- Jul 3 09:50:08 GMQ-CAS01-CVK01 kernel: [2764507.654748] 00000000e6c7f8f8
0000000000000000 00000007f4534200 ffff883fe75c6330
- Jul 3 09:50:08 GMQ-CAS01-CVK01 kernel: [2764507.654756] Call Trace:
- Jul 3 09:50:08 GMQ-CAS01-CVK01 kernel: [2764507.654778]
[<ffffffff81193bba>] ? scan_swap_map+0x37a/0x510
- Jul 3 09:50:08 GMQ-CAS01-CVK01 kernel: [2764507.654783]
[<ffffffff81193faa>] ? get_swap_page+0x1aa/0x210
- Jul 3 09:50:08 GMQ-CAS01-CVK01 kernel: [2764507.654792]
[<ffffffff81189df0>] ? page_mkclean_one+0xd0/0xd0
- Jul 3 09:50:08 GMQ-CAS01-CVK01 kernel: [2764507.654798]
[<ffffffff8119190a>] add_to_swap+0x8a/0xa0
- Jul 3 09:50:08 GMQ-CAS01-CVK01 kernel: [2764507.654811]
[<ffffffff811674fb>] shrink_page_list+0x5db/0xa30
- Jul 3 09:50:08 GMQ-CAS01-CVK01 kernel: [2764507.654826]
[<ffffffff8116804a>] shrink_inactive_list+0x1ea/0x5b0
- Jul 3 09:50:08 GMQ-CAS01-CVK01 kernel: [2764507.654832]
[<ffffffff81168b5c>] shrink_lruvec+0x35c/0x6e0
- Jul 3 09:50:08 GMQ-CAS01-CVK01 kernel: [2764507.654838]
[<ffffffff81168f46>] shrink_zone+0x66/0x1a0
- Jul 3 09:50:08 GMQ-CAS01-CVK01 kernel: [2764507.654843]
[<ffffffff8116a11e>] balance_pgdat+0x3be/0x620
- Jul 3 09:50:08 GMQ-CAS01-CVK01 kernel: [2764507.654854]
[<ffffffff810760d2>] ? del_timer_sync+0x52/0x60
- Jul 3 09:50:08 GMQ-CAS01-CVK01 kernel: [2764507.654859]
[<ffffffff8116a4f7>] kswapd+0x177/0x4a0
- Jul 3 09:50:08 GMQ-CAS01-CVK01 kernel: [2764507.654870]
[<ffffffff810adb20>] ? __wake_up_sync+0x20/0x20
- Jul 3 09:50:08 GMQ-CAS01-CVK01 kernel: [2764507.654875]
[<ffffffff8116a380>] ? balance_pgdat+0x620/0x620
- Jul 3 09:50:08 GMQ-CAS01-CVK01 kernel: [2764507.654883]
[<ffffffff8108d079>] kthread+0xc9/0xe0
- Jul 3 09:50:08 GMQ-CAS01-CVK01 kernel: [2764507.654889]
[<ffffffff8108cfb0>] ? flush_kthread_worker+0xb0/0xb0
- Jul 3 09:50:08 GMQ-CAS01-CVK01 kernel: [2764507.654900]
[<ffffffff81760ffc>] ret_from_fork+0x7c/0xb0
- Jul 3 09:50:08 GMQ-CAS01-CVK01 kernel: [2764507.654905]
[<ffffffff8108cfb0>] ? flush_kthread_worker+0xb0/0xb0
- Jul 3 09:50:08 GMQ-CAS01-CVK01 kernel: [2764507.654908] Code: df 48 89 43 08
4c 89 e8 49 03 46 10 48 89 43 10 41 0f b7 76 05 e8 f5 f3 fb ff f6 43 08 01 74
0b 48 8b 03 a8 08 0f 85 34 ff ff ff <0f> 0b f3 90 49 8b 06 a9 00 00 00 01 75 f4
e9 f8 fe ff ff 90 f0
- Jul 3 09:50:08 GMQ-CAS01-CVK01 kernel: [2764507.654946] RIP
[<ffffffff811b23bc>] split_huge_page_to_list+0x2dc/0x7b0
- Jul 3 09:50:08 GMQ-CAS01-CVK01 kernel: [2764507.654950] RSP
<ffff880fe6c7f858>
- Jul 3 09:50:08 GMQ-CAS01-CVK01 kernel: [2764507.725793] ---[ end trace
0c60ca2f2aae4c6c ]---
- Jul 3 09:50:09 GMQ-CAS01-CVK01 kernel: [2764507.742363] ------------[ cut
here ]------------
- Jul 3 09:50:09 GMQ-CAS01-CVK01 kernel: [2764507.742380] WARNING: CPU: 25
PID: 613 at kernel/exit.c:704 do_exit+0x55/0xa70()
- Jul 3 09:50:09 GMQ-CAS01-CVK01 kernel: [2764507.742384] Modules linked in:
ip6table_filter(F) ip6_tables(F) iptable_filter(F) ip_tables(F) ebtable_nat(F)
ebtables(F) x_tables(F) ocfs2(OF) quota_tree(F) drbd(F) lru_cache(F) 8021q(F)
mrp(F) garp(F) stp(F) llc(F) vhost_net(F) macvtap(F) macvlan(F) vhost(F)
kvm_intel(F) kvm(F) ib_iser(F) rdma_cm(F) ib_cm(F) iw_cm(F) ib_sa(F) ib_mad(F)
ib_core(F) ib_addr(F) iscsi_tcp(F) libiscsi_tcp(F) libiscsi(F)
scsi_transport_iscsi(F) ocfs2_dlmfs(OF) ocfs2_stack_o2cb(OF) ocfs2_dlm(OF)
ocfs2_nodemanager(OF) ocfs2_stackglue(OF) configfs(F) openvswitch(OF)
libcrc32c(F) gre(F) nfsd(F) nfs_acl(F) auth_rpcgss(F) nfs(F) fscache(F)
lockd(F) sunrpc(F) gpio_ich(F) dm_multipath(F) scsi_dh(F) psmouse(F)
serio_raw(F) lpc_ich(F) sb_edac(F) hpilo(F) edac_core(F) ioatdma(F) hpwdt(F)
dca(F) acpi_power_meter(F) mac_hid(F) lp(F) parport(F) tg3(F) ptp(F) hpsa(F)
pps_core(F) nbd(F) [last unloaded: ipmi_si]
- Jul 3 09:50:09 GMQ-CAS01-CVK01 kernel: [2764507.742495] CPU: 25 PID: 613
Comm: kswapd3 Tainted: GF D O 3.13.6 #1
- Jul 3 09:50:09 GMQ-CAS01-CVK01 kernel: [2764507.742499] Hardware name: H3C
FlexServer R590, BIOS P77 12/20/2013
- Jul 3 09:50:09 GMQ-CAS01-CVK01 kernel: [2764507.742503] 00000000000002c0
ffff880fe6c7f548 ffffffff81750690 0000000000000007
- Jul 3 09:50:09 GMQ-CAS01-CVK01 kernel: [2764507.742513] 0000000000000000
ffff880fe6c7f588 ffffffff81068c6c 000000000000000b
- Jul 3 09:50:09 GMQ-CAS01-CVK01 kernel: [2764507.742521] ffff880fe7c8c830
000000000000000b ffff880fe6c7f7a8 0000000000000000
- Jul 3 09:50:09 GMQ-CAS01-CVK01 kernel: [2764507.742531] Call Trace:
- Jul 3 09:50:09 GMQ-CAS01-CVK01 kernel: [2764507.742547]
[<ffffffff81750690>] dump_stack+0x46/0x58
- Jul 3 09:50:09 GMQ-CAS01-CVK01 kernel: [2764507.742553]
[<ffffffff81068c6c>] warn_slowpath_common+0x8c/0xc0
- Jul 3 09:50:09 GMQ-CAS01-CVK01 kernel: [2764507.742558]
[<ffffffff81068cba>] warn_slowpath_null+0x1a/0x20
- Jul 3 09:50:09 GMQ-CAS01-CVK01 kernel: [2764507.742563]
[<ffffffff8106aff5>] do_exit+0x55/0xa70
- Jul 3 09:50:09 GMQ-CAS01-CVK01 kernel: [2764507.742584]
[<ffffffff810c13dc>] ? kmsg_dump+0x9c/0xc0
- Jul 3 09:50:09 GMQ-CAS01-CVK01 kernel: [2764507.742595]
[<ffffffff817599b8>] oops_end+0xb8/0x160
- Jul 3 09:50:09 GMQ-CAS01-CVK01 kernel: [2764507.742605]
[<ffffffff810183e8>] die+0x58/0x90
- Jul 3 09:50:09 GMQ-CAS01-CVK01 kernel: [2764507.742610]
[<ffffffff8175914b>] do_trap+0xcb/0x170
- Jul 3 09:50:09 GMQ-CAS01-CVK01 kernel: [2764507.742616]
[<ffffffff8101557c>] do_invalid_op+0xac/0x110
- Jul 3 09:50:09 GMQ-CAS01-CVK01 kernel: [2764507.742625]
[<ffffffff811b23bc>] ? split_huge_page_to_list+0x2dc/0x7b0
- Jul 3 09:50:09 GMQ-CAS01-CVK01 kernel: [2764507.742631]
[<ffffffff810bfa04>] ? wake_up_klogd+0x34/0x40
- Jul 3 09:50:09 GMQ-CAS01-CVK01 kernel: [2764507.742636]
[<ffffffff810bfca5>] ? console_unlock+0x295/0x3e0
- Jul 3 09:50:09 GMQ-CAS01-CVK01 kernel: [2764507.742643]
[<ffffffff817628de>] invalid_op+0x1e/0x30
- Jul 3 09:50:09 GMQ-CAS01-CVK01 kernel: [2764507.742648]
[<ffffffff811b23bc>] ? split_huge_page_to_list+0x2dc/0x7b0
- Jul 3 09:50:09 GMQ-CAS01-CVK01 kernel: [2764507.742652]
[<ffffffff811b2862>] ? split_huge_page_to_list+0x782/0x7b0
- Jul 3 09:50:09 GMQ-CAS01-CVK01 kernel: [2764507.742662]
[<ffffffff81193bba>] ? scan_swap_map+0x37a/0x510
- Jul 3 09:50:09 GMQ-CAS01-CVK01 kernel: [2764507.742667]
[<ffffffff81193faa>] ? get_swap_page+0x1aa/0x210
- Jul 3 09:50:09 GMQ-CAS01-CVK01 kernel: [2764507.742676]
[<ffffffff81189df0>] ? page_mkclean_one+0xd0/0xd0
- Jul 3 09:50:09 GMQ-CAS01-CVK01 kernel: [2764507.742681]
[<ffffffff8119190a>] add_to_swap+0x8a/0xa0
- Jul 3 09:50:09 GMQ-CAS01-CVK01 kernel: [2764507.742703]
[<ffffffff811674fb>] shrink_page_list+0x5db/0xa30
- Jul 3 09:50:09 GMQ-CAS01-CVK01 kernel: [2764507.742710]
[<ffffffff8116804a>] shrink_inactive_list+0x1ea/0x5b0
- Jul 3 09:50:09 GMQ-CAS01-CVK01 kernel: [2764507.742715]
[<ffffffff81168b5c>] shrink_lruvec+0x35c/0x6e0
- Jul 3 09:50:09 GMQ-CAS01-CVK01 kernel: [2764507.742722]
[<ffffffff81168f46>] shrink_zone+0x66/0x1a0
- Jul 3 09:50:09 GMQ-CAS01-CVK01 kernel: [2764507.742728]
[<ffffffff8116a11e>] balance_pgdat+0x3be/0x620
- Jul 3 09:50:09 GMQ-CAS01-CVK01 kernel: [2764507.742735]
[<ffffffff810760d2>] ? del_timer_sync+0x52/0x60
- Jul 3 09:50:09 GMQ-CAS01-CVK01 kernel: [2764507.742741]
[<ffffffff8116a4f7>] kswapd+0x177/0x4a0
- Jul 3 09:50:09 GMQ-CAS01-CVK01 kernel: [2764507.742751]
[<ffffffff810adb20>] ? __wake_up_sync+0x20/0x20
- Jul 3 09:50:09 GMQ-CAS01-CVK01 kernel: [2764507.742756]
[<ffffffff8116a380>] ? balance_pgdat+0x620/0x620
- Jul 3 09:50:09 GMQ-CAS01-CVK01 kernel: [2764507.742767]
[<ffffffff8108d079>] kthread+0xc9/0xe0
- Jul 3 09:50:09 GMQ-CAS01-CVK01 kernel: [2764507.742771]
[<ffffffff8108cfb0>] ? flush_kthread_worker+0xb0/0xb0
- Jul 3 09:50:09 GMQ-CAS01-CVK01 kernel: [2764507.742777]
[<ffffffff81760ffc>] ret_from_fork+0x7c/0xb0
- Jul 3 09:50:09 GMQ-CAS01-CVK01 kernel: [2764507.742781]
[<ffffffff8108cfb0>] ? flush_kthread_worker+0xb0/0xb0
- Jul 3 09:50:09 GMQ-CAS01-CVK01 kernel: [2764507.742784] ---[ end trace
0c60ca2f2aae4c6d ]---
+ Jul 3 09:50:08 GMQ kernel: [2764507.350057] sd 1:0:0:22: [sdd] Test WP
failed, assume Write Enabled
+ Jul 3 09:50:08 GMQ kernel: [2764507.350210] sd 1:0:0:22: [sdd] Asking for
cache data failed
+ Jul 3 09:50:08 GMQ kernel: [2764507.350220] sd 1:0:0:22: [sdd] Assuming
drive cache: write through
+ Jul 3 09:50:08 GMQ kernel: [2764507.654448] mapcount 0 page_mapcount 1
+ Jul 3 09:50:08 GMQ kernel: [2764507.654556] ------------[ cut here
]------------
+ Jul 3 09:50:08 GMQ kernel: [2764507.654561] Kernel BUG at ffffffff811b23bc
[verbose debug info unavailable]
+ Jul 3 09:50:08 GMQ kernel: [2764507.654566] invalid opcode: 0000 [#1] SMP
+ Jul 3 09:50:08 GMQ kernel: [2764507.654570] Modules linked in:
ip6table_filter(F) ip6_tables(F) iptable_filter(F) i]
+ Jul 3 09:50:08 GMQ kernel: [2764507.654663] CPU: 25 PID: 613 Comm: kswapd3
Tainted: GF O 3.13. #1
+ Jul 3 09:50:08 GMQ kernel: [2764507.654667] Hardware name: H3C FlexServer
R590, BIOS P77 12/20/2013
+ Jul 3 09:50:08 GMQ kernel: [2764507.654670] task: ffff880fe7c8c830 ti:
ffff880fe6c7e000 task.ti: fff880fe6c7e000
+ Jul 3 09:50:08 GMQ kernel: [2764507.654674] RIP: 0010:[<ffffffff811b23bc>]
[<ffffffff811b23bc>] split_huge_page_to_list+0x2dc/0x7b0
+ Jul 3 09:50:08 GMQ kernel: [2764507.654689] RSP: 0018:ffff880fe6c7f858
EFLAGS: 00010297
+ Jul 3 09:50:08 GMQ kernel: [2764507.654692] RAX: 0000000000000001 RBX:
ffff883fde776f18 RCX: 0000000000000000
+ Jul 3 09:50:08 GMQ kernel: [2764507.654695] RDX: ffff88403f82fff0 RSI:
ffff88403f82e3d8 RDI: 0000000000000246
+ Jul 3 09:50:08 GMQ kernel: [2764507.654699] RBP: ffff880fe6c7f918 R08:
0000000000000000 R09: 0000000000000000
+ Jul 3 09:50:08 GMQ kernel: [2764507.654702] R10: 00000000001eb0af R11:
0e200e200e200e20 R12: 0000000000000000
+ Jul 3 09:50:08 GMQ kernel: [2764507.654706] R13: ffff881fe681aa00 R14:
ffffea00f4ae8000 R15: ffffea00f4ae8000
+ Jul 3 09:50:08 GMQ kernel: [2764507.654710] FS: 0000000000000000(0000)
GS:ffff88403f820000(0000) knlGS:0000000000000000
+ Jul 3 09:50:08 GMQ kernel: [2764507.654713] CS: 0010 DS: 0000 ES: 0000 CR0:
0000000080050033
+ Jul 3 09:50:08 GMQ kernel: [2764507.654716] CR2: 000000003bfc2000 CR3:
0000000001c0d000 CR4: 00000000000427e0
+ Jul 3 09:50:08 GMQ kernel: [2764507.654720] DR0: 0000000000000003 DR1:
00000000000000b0 DR2: 0000000000000001
+ Jul 3 09:50:08 GMQ kernel: [2764507.654724] DR3: 0000000000000000 DR6:
00000000ffff0ff0 DR7: 0000000000000400
+ Jul 3 09:50:08 GMQ kernel: [2764507.654726] Stack:
+ Jul 3 09:50:08 GMQ kernel: [2764507.654729] ffffea00f4ae8000
ffff880fe5bc6980 ffff880f00000000 ffffffff81193bba
+ Jul 3 09:50:08 GMQ kernel: [2764507.654741] ffff883fe75c6300
00000007f4474000 0000000000042541 0000000000042541
+ Jul 3 09:50:08 GMQ kernel: [2764507.654748] 00000000e6c7f8f8
0000000000000000 00000007f4534200 ffff883fe75c6330
+ Jul 3 09:50:08 GMQ kernel: [2764507.654756] Call Trace:
+ Jul 3 09:50:08 GMQ kernel: [2764507.654778] [<ffffffff81193bba>] ?
scan_swap_map+0x37a/0x510
+ Jul 3 09:50:08 GMQ kernel: [2764507.654783] [<ffffffff81193faa>] ?
get_swap_page+0x1aa/0x210
+ Jul 3 09:50:08 GMQ kernel: [2764507.654792] [<ffffffff81189df0>] ?
page_mkclean_one+0xd0/0xd0
+ Jul 3 09:50:08 GMQ kernel: [2764507.654798] [<ffffffff8119190a>]
add_to_swap+0x8a/0xa0
+ Jul 3 09:50:08 GMQ kernel: [2764507.654811] [<ffffffff811674fb>]
shrink_page_list+0x5db/0xa30
+ Jul 3 09:50:08 GMQ kernel: [2764507.654826] [<ffffffff8116804a>]
shrink_inactive_list+0x1ea/0x5b0
+ Jul 3 09:50:08 GMQ kernel: [2764507.654832] [<ffffffff81168b5c>]
shrink_lruvec+0x35c/0x6e0
+ Jul 3 09:50:08 GMQ kernel: [2764507.654838] [<ffffffff81168f46>]
shrink_zone+0x66/0x1a0
+ Jul 3 09:50:08 GMQ kernel: [2764507.654843] [<ffffffff8116a11e>]
balance_pgdat+0x3be/0x620
+ Jul 3 09:50:08 GMQ kernel: [2764507.654854] [<ffffffff810760d2>] ?
del_timer_sync+0x52/0x60
+ Jul 3 09:50:08 GMQ kernel: [2764507.654859] [<ffffffff8116a4f7>]
kswapd+0x177/0x4a0
+ Jul 3 09:50:08 GMQ kernel: [2764507.654870] [<ffffffff810adb20>] ?
__wake_up_sync+0x20/0x20
+ Jul 3 09:50:08 GMQ kernel: [2764507.654875] [<ffffffff8116a380>] ?
balance_pgdat+0x620/0x620
+ Jul 3 09:50:08 GMQ kernel: [2764507.654883] [<ffffffff8108d079>]
kthread+0xc9/0xe0
+ Jul 3 09:50:08 GMQ kernel: [2764507.654889] [<ffffffff8108cfb0>] ?
flush_kthread_worker+0xb0/0xb0
+ Jul 3 09:50:08 GMQ kernel: [2764507.654900] [<ffffffff81760ffc>]
ret_from_fork+0x7c/0xb0
+ Jul 3 09:50:08 GMQ kernel: [2764507.654905] [<ffffffff8108cfb0>] ?
flush_kthread_worker+0xb0/0xb0
+ Jul 3 09:50:08 GMQ kernel: [2764507.654908] Code: df 48 89 43 08 4c 89 e8 49
03 46 10 48 89 43 10 41 0f b7 76 05 e8 f5 f3 fb ff f6 43 08 01 74 0b 48 8b 03
a8 08 0f 85 34 ff ff ff <0f> 0b f3 90 49 8b 06 a9 00 00 00 01 75 f4 e9 f8 fe ff
ff 90 f0
+ Jul 3 09:50:08 GMQ kernel: [2764507.654946] RIP [<ffffffff811b23bc>]
split_huge_page_to_list+0x2dc/0x7b0
+ Jul 3 09:50:08 GMQ kernel: [2764507.654950] RSP <ffff880fe6c7f858>
+ Jul 3 09:50:08 GMQ kernel: [2764507.725793] ---[ end trace 0c60ca2f2aae4c6c
]---
+ Jul 3 09:50:09 GMQ kernel: [2764507.742363] ------------[ cut here
]------------
+ Jul 3 09:50:09 GMQ kernel: [2764507.742380] WARNING: CPU: 25 PID: 613 at
kernel/exit.c:704 do_exit+0x55/0xa70()
+ Jul 3 09:50:09 GMQ kernel: [2764507.742384] Modules linked in:
ip6table_filter(F) ip6_tables(F) iptable_filter(F) ip_tables(F) ebtable_nat(F)
nbd(F) [last unloaded: ipmi_si]
+ Jul 3 09:50:09 GMQ kernel: [2764507.742495] CPU: 25 PID: 613 Comm: kswapd3
Tainted: GF D O 3.13.6 #1
+ Jul 3 09:50:09 GMQ kernel: [2764507.742499] Hardware name: H3C FlexServer
R590, BIOS P77 12/20/2013
+ Jul 3 09:50:09 GMQ kernel: [2764507.742503] 00000000000002c0
ffff880fe6c7f548 ffffffff81750690 0000000000000007
+ Jul 3 09:50:09 GMQ kernel: [2764507.742513] 0000000000000000
ffff880fe6c7f588 ffffffff81068c6c 000000000000000b
+ Jul 3 09:50:09 GMQ kernel: [2764507.742521] ffff880fe7c8c830
000000000000000b ffff880fe6c7f7a8 0000000000000000
+ Jul 3 09:50:09 GMQ kernel: [2764507.742531] Call Trace:
+ Jul 3 09:50:09 GMQ kernel: [2764507.742547] [<ffffffff81750690>]
dump_stack+0x46/0x58
+ Jul 3 09:50:09 GMQ kernel: [2764507.742553] [<ffffffff81068c6c>]
warn_slowpath_common+0x8c/0xc0
+ Jul 3 09:50:09 GMQ kernel: [2764507.742558] [<ffffffff81068cba>]
warn_slowpath_null+0x1a/0x20
+ Jul 3 09:50:09 GMQ kernel: [2764507.742563] [<ffffffff8106aff5>]
do_exit+0x55/0xa70
+ Jul 3 09:50:09 GMQ kernel: [2764507.742584] [<ffffffff810c13dc>] ?
kmsg_dump+0x9c/0xc0
+ Jul 3 09:50:09 GMQ kernel: [2764507.742595] [<ffffffff817599b8>]
oops_end+0xb8/0x160
+ Jul 3 09:50:09 GMQ kernel: [2764507.742605] [<ffffffff810183e8>]
die+0x58/0x90
+ Jul 3 09:50:09 GMQ kernel: [2764507.742610] [<ffffffff8175914b>]
do_trap+0xcb/0x170
+ Jul 3 09:50:09 GMQ kernel: [2764507.742616] [<ffffffff8101557c>]
do_invalid_op+0xac/0x110
+ Jul 3 09:50:09 GMQ kernel: [2764507.742625] [<ffffffff811b23bc>] ?
split_huge_page_to_list+0x2dc/0x7b0
+ Jul 3 09:50:09 GMQ kernel: [2764507.742631] [<ffffffff810bfa04>] ?
wake_up_klogd+0x34/0x40
+ Jul 3 09:50:09 GMQ kernel: [2764507.742636] [<ffffffff810bfca5>] ?
console_unlock+0x295/0x3e0
+ Jul 3 09:50:09 GMQ kernel: [2764507.742643] [<ffffffff817628de>]
invalid_op+0x1e/0x30
+ Jul 3 09:50:09 GMQ kernel: [2764507.742648] [<ffffffff811b23bc>] ?
split_huge_page_to_list+0x2dc/0x7b0
+ Jul 3 09:50:09 GMQ kernel: [2764507.742652] [<ffffffff811b2862>] ?
split_huge_page_to_list+0x782/0x7b0
+ Jul 3 09:50:09 GMQ kernel: [2764507.742662] [<ffffffff81193bba>] ?
scan_swap_map+0x37a/0x510
+ Jul 3 09:50:09 GMQ kernel: [2764507.742667] [<ffffffff81193faa>] ?
get_swap_page+0x1aa/0x210
+ Jul 3 09:50:09 GMQ kernel: [2764507.742676] [<ffffffff81189df0>] ?
page_mkclean_one+0xd0/0xd0
+ Jul 3 09:50:09 GMQ kernel: [2764507.742681] [<ffffffff8119190a>]
add_to_swap+0x8a/0xa0
+ Jul 3 09:50:09 GMQ kernel: [2764507.742703] [<ffffffff811674fb>]
shrink_page_list+0x5db/0xa30
+ Jul 3 09:50:09 GMQ kernel: [2764507.742710] [<ffffffff8116804a>]
shrink_inactive_list+0x1ea/0x5b0
+ Jul 3 09:50:09 GMQ kernel: [2764507.742715] [<ffffffff81168b5c>]
shrink_lruvec+0x35c/0x6e0
+ Jul 3 09:50:09 GMQ kernel: [2764507.742722] [<ffffffff81168f46>]
shrink_zone+0x66/0x1a0
+ Jul 3 09:50:09 GMQ kernel: [2764507.742728] [<ffffffff8116a11e>]
balance_pgdat+0x3be/0x620
+ Jul 3 09:50:09 GMQ kernel: [2764507.742735] [<ffffffff810760d2>] ?
del_timer_sync+0x52/0x60
+ Jul 3 09:50:09 GMQ kernel: [2764507.742741] [<ffffffff8116a4f7>]
kswapd+0x177/0x4a0
+ Jul 3 09:50:09 GMQ kernel: [2764507.742751] [<ffffffff810adb20>] ?
__wake_up_sync+0x20/0x20
+ Jul 3 09:50:09 GMQ kernel: [2764507.742756] [<ffffffff8116a380>] ?
balance_pgdat+0x620/0x620
+ Jul 3 09:50:09 GMQ kernel: [2764507.742767] [<ffffffff8108d079>]
kthread+0xc9/0xe0
+ Jul 3 09:50:09 GMQ kernel: [2764507.742771] [<ffffffff8108cfb0>] ?
flush_kthread_worker+0xb0/0xb0
+ Jul 3 09:50:09 GMQ kernel: [2764507.742777] [<ffffffff81760ffc>]
ret_from_fork+0x7c/0xb0
+ Jul 3 09:50:09 GMQ kernel: [2764507.742781] [<ffffffff8108cfb0>] ?
flush_kthread_worker+0xb0/0xb0
+ Jul 3 09:50:09 GMQ kernel: [2764507.742784] ---[ end trace 0c60ca2f2aae4c6d
]---
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
--
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https://bugs.launchpad.net/bugs/1488049
Title:
ubuntu14.04(3.13.0-37.64),kernel crash (mapcount 0 page_mapcount 1)
Status in linux package in Ubuntu:
Confirmed
Bug description:
Bug Description:
this issue（mapcount 0 page_mapcount 1） has already been resolved by
3.13.0-36, but this bug arised.
memory usage is close to 100 percent.
Here is I believe the first record in syslog when it starts:
Jul 3 09:50:08 GMQ kernel: [2764507.350057] sd 1:0:0:22: [sdd] Test WP
failed, assume Write Enabled
Jul 3 09:50:08 GMQ kernel: [2764507.350210] sd 1:0:0:22: [sdd] Asking for
cache data failed
Jul 3 09:50:08 GMQ kernel: [2764507.350220] sd 1:0:0:22: [sdd] Assuming
drive cache: write through
Jul 3 09:50:08 GMQ kernel: [2764507.654448] mapcount 0 page_mapcount 1
Jul 3 09:50:08 GMQ kernel: [2764507.654556] ------------[ cut here
]------------
Jul 3 09:50:08 GMQ kernel: [2764507.654561] Kernel BUG at ffffffff811b23bc
[verbose debug info unavailable]
Jul 3 09:50:08 GMQ kernel: [2764507.654566] invalid opcode: 0000 [#1] SMP
Jul 3 09:50:08 GMQ kernel: [2764507.654570] Modules linked in:
ip6table_filter(F) ip6_tables(F) iptable_filter(F) i]
Jul 3 09:50:08 GMQ kernel: [2764507.654663] CPU: 25 PID: 613 Comm: kswapd3
Tainted: GF O 3.13. #1
Jul 3 09:50:08 GMQ kernel: [2764507.654667] Hardware name: H3C FlexServer
R590, BIOS P77 12/20/2013
Jul 3 09:50:08 GMQ kernel: [2764507.654670] task: ffff880fe7c8c830 ti:
ffff880fe6c7e000 task.ti: fff880fe6c7e000
Jul 3 09:50:08 GMQ kernel: [2764507.654674] RIP: 0010:[<ffffffff811b23bc>]
[<ffffffff811b23bc>] split_huge_page_to_list+0x2dc/0x7b0
Jul 3 09:50:08 GMQ kernel: [2764507.654689] RSP: 0018:ffff880fe6c7f858
EFLAGS: 00010297
Jul 3 09:50:08 GMQ kernel: [2764507.654692] RAX: 0000000000000001 RBX:
ffff883fde776f18 RCX: 0000000000000000
Jul 3 09:50:08 GMQ kernel: [2764507.654695] RDX: ffff88403f82fff0 RSI:
ffff88403f82e3d8 RDI: 0000000000000246
Jul 3 09:50:08 GMQ kernel: [2764507.654699] RBP: ffff880fe6c7f918 R08:
0000000000000000 R09: 0000000000000000
Jul 3 09:50:08 GMQ kernel: [2764507.654702] R10: 00000000001eb0af R11:
0e200e200e200e20 R12: 0000000000000000
Jul 3 09:50:08 GMQ kernel: [2764507.654706] R13: ffff881fe681aa00 R14:
ffffea00f4ae8000 R15: ffffea00f4ae8000
Jul 3 09:50:08 GMQ kernel: [2764507.654710] FS: 0000000000000000(0000)
GS:ffff88403f820000(0000) knlGS:0000000000000000
Jul 3 09:50:08 GMQ kernel: [2764507.654713] CS: 0010 DS: 0000 ES: 0000 CR0:
0000000080050033
Jul 3 09:50:08 GMQ kernel: [2764507.654716] CR2: 000000003bfc2000 CR3:
0000000001c0d000 CR4: 00000000000427e0
Jul 3 09:50:08 GMQ kernel: [2764507.654720] DR0: 0000000000000003 DR1:
00000000000000b0 DR2: 0000000000000001
Jul 3 09:50:08 GMQ kernel: [2764507.654724] DR3: 0000000000000000 DR6:
00000000ffff0ff0 DR7: 0000000000000400
Jul 3 09:50:08 GMQ kernel: [2764507.654726] Stack:
Jul 3 09:50:08 GMQ kernel: [2764507.654729] ffffea00f4ae8000
ffff880fe5bc6980 ffff880f00000000 ffffffff81193bba
Jul 3 09:50:08 GMQ kernel: [2764507.654741] ffff883fe75c6300
00000007f4474000 0000000000042541 0000000000042541
Jul 3 09:50:08 GMQ kernel: [2764507.654748] 00000000e6c7f8f8
0000000000000000 00000007f4534200 ffff883fe75c6330
Jul 3 09:50:08 GMQ kernel: [2764507.654756] Call Trace:
Jul 3 09:50:08 GMQ kernel: [2764507.654778] [<ffffffff81193bba>] ?
scan_swap_map+0x37a/0x510
Jul 3 09:50:08 GMQ kernel: [2764507.654783] [<ffffffff81193faa>] ?
get_swap_page+0x1aa/0x210
Jul 3 09:50:08 GMQ kernel: [2764507.654792] [<ffffffff81189df0>] ?
page_mkclean_one+0xd0/0xd0
Jul 3 09:50:08 GMQ kernel: [2764507.654798] [<ffffffff8119190a>]
add_to_swap+0x8a/0xa0
Jul 3 09:50:08 GMQ kernel: [2764507.654811] [<ffffffff811674fb>]
shrink_page_list+0x5db/0xa30
Jul 3 09:50:08 GMQ kernel: [2764507.654826] [<ffffffff8116804a>]
shrink_inactive_list+0x1ea/0x5b0
Jul 3 09:50:08 GMQ kernel: [2764507.654832] [<ffffffff81168b5c>]
shrink_lruvec+0x35c/0x6e0
Jul 3 09:50:08 GMQ kernel: [2764507.654838] [<ffffffff81168f46>]
shrink_zone+0x66/0x1a0
Jul 3 09:50:08 GMQ kernel: [2764507.654843] [<ffffffff8116a11e>]
balance_pgdat+0x3be/0x620
Jul 3 09:50:08 GMQ kernel: [2764507.654854] [<ffffffff810760d2>] ?
del_timer_sync+0x52/0x60
Jul 3 09:50:08 GMQ kernel: [2764507.654859] [<ffffffff8116a4f7>]
kswapd+0x177/0x4a0
Jul 3 09:50:08 GMQ kernel: [2764507.654870] [<ffffffff810adb20>] ?
__wake_up_sync+0x20/0x20
Jul 3 09:50:08 GMQ kernel: [2764507.654875] [<ffffffff8116a380>] ?
balance_pgdat+0x620/0x620
Jul 3 09:50:08 GMQ kernel: [2764507.654883] [<ffffffff8108d079>]
kthread+0xc9/0xe0
Jul 3 09:50:08 GMQ kernel: [2764507.654889] [<ffffffff8108cfb0>] ?
flush_kthread_worker+0xb0/0xb0
Jul 3 09:50:08 GMQ kernel: [2764507.654900] [<ffffffff81760ffc>]
ret_from_fork+0x7c/0xb0
Jul 3 09:50:08 GMQ kernel: [2764507.654905] [<ffffffff8108cfb0>] ?
flush_kthread_worker+0xb0/0xb0
Jul 3 09:50:08 GMQ kernel: [2764507.654908] Code: df 48 89 43 08 4c 89 e8 49
03 46 10 48 89 43 10 41 0f b7 76 05 e8 f5 f3 fb ff f6 43 08 01 74 0b 48 8b 03
a8 08 0f 85 34 ff ff ff <0f> 0b f3 90 49 8b 06 a9 00 00 00 01 75 f4 e9 f8 fe ff
ff 90 f0
Jul 3 09:50:08 GMQ kernel: [2764507.654946] RIP [<ffffffff811b23bc>]
split_huge_page_to_list+0x2dc/0x7b0
Jul 3 09:50:08 GMQ kernel: [2764507.654950] RSP <ffff880fe6c7f858>
Jul 3 09:50:08 GMQ kernel: [2764507.725793] ---[ end trace 0c60ca2f2aae4c6c
]---
Jul 3 09:50:09 GMQ kernel: [2764507.742363] ------------[ cut here
]------------
Jul 3 09:50:09 GMQ kernel: [2764507.742380] WARNING: CPU: 25 PID: 613 at
kernel/exit.c:704 do_exit+0x55/0xa70()
Jul 3 09:50:09 GMQ kernel: [2764507.742384] Modules linked in:
ip6table_filter(F) ip6_tables(F) iptable_filter(F) ip_tables(F) ebtable_nat(F)
nbd(F) [last unloaded: ipmi_si]
Jul 3 09:50:09 GMQ kernel: [2764507.742495] CPU: 25 PID: 613 Comm: kswapd3
Tainted: GF D O 3.13.6 #1
Jul 3 09:50:09 GMQ kernel: [2764507.742499] Hardware name: H3C FlexServer
R590, BIOS P77 12/20/2013
Jul 3 09:50:09 GMQ kernel: [2764507.742503] 00000000000002c0
ffff880fe6c7f548 ffffffff81750690 0000000000000007
Jul 3 09:50:09 GMQ kernel: [2764507.742513] 0000000000000000
ffff880fe6c7f588 ffffffff81068c6c 000000000000000b
Jul 3 09:50:09 GMQ kernel: [2764507.742521] ffff880fe7c8c830
000000000000000b ffff880fe6c7f7a8 0000000000000000
Jul 3 09:50:09 GMQ kernel: [2764507.742531] Call Trace:
Jul 3 09:50:09 GMQ kernel: [2764507.742547] [<ffffffff81750690>]
dump_stack+0x46/0x58
Jul 3 09:50:09 GMQ kernel: [2764507.742553] [<ffffffff81068c6c>]
warn_slowpath_common+0x8c/0xc0
Jul 3 09:50:09 GMQ kernel: [2764507.742558] [<ffffffff81068cba>]
warn_slowpath_null+0x1a/0x20
Jul 3 09:50:09 GMQ kernel: [2764507.742563] [<ffffffff8106aff5>]
do_exit+0x55/0xa70
Jul 3 09:50:09 GMQ kernel: [2764507.742584] [<ffffffff810c13dc>] ?
kmsg_dump+0x9c/0xc0
Jul 3 09:50:09 GMQ kernel: [2764507.742595] [<ffffffff817599b8>]
oops_end+0xb8/0x160
Jul 3 09:50:09 GMQ kernel: [2764507.742605] [<ffffffff810183e8>]
die+0x58/0x90
Jul 3 09:50:09 GMQ kernel: [2764507.742610] [<ffffffff8175914b>]
do_trap+0xcb/0x170
Jul 3 09:50:09 GMQ kernel: [2764507.742616] [<ffffffff8101557c>]
do_invalid_op+0xac/0x110
Jul 3 09:50:09 GMQ kernel: [2764507.742625] [<ffffffff811b23bc>] ?
split_huge_page_to_list+0x2dc/0x7b0
Jul 3 09:50:09 GMQ kernel: [2764507.742631] [<ffffffff810bfa04>] ?
wake_up_klogd+0x34/0x40
Jul 3 09:50:09 GMQ kernel: [2764507.742636] [<ffffffff810bfca5>] ?
console_unlock+0x295/0x3e0
Jul 3 09:50:09 GMQ kernel: [2764507.742643] [<ffffffff817628de>]
invalid_op+0x1e/0x30
Jul 3 09:50:09 GMQ kernel: [2764507.742648] [<ffffffff811b23bc>] ?
split_huge_page_to_list+0x2dc/0x7b0
Jul 3 09:50:09 GMQ kernel: [2764507.742652] [<ffffffff811b2862>] ?
split_huge_page_to_list+0x782/0x7b0
Jul 3 09:50:09 GMQ kernel: [2764507.742662] [<ffffffff81193bba>] ?
scan_swap_map+0x37a/0x510
Jul 3 09:50:09 GMQ kernel: [2764507.742667] [<ffffffff81193faa>] ?
get_swap_page+0x1aa/0x210
Jul 3 09:50:09 GMQ kernel: [2764507.742676] [<ffffffff81189df0>] ?
page_mkclean_one+0xd0/0xd0
Jul 3 09:50:09 GMQ kernel: [2764507.742681] [<ffffffff8119190a>]
add_to_swap+0x8a/0xa0
Jul 3 09:50:09 GMQ kernel: [2764507.742703] [<ffffffff811674fb>]
shrink_page_list+0x5db/0xa30
Jul 3 09:50:09 GMQ kernel: [2764507.742710] [<ffffffff8116804a>]
shrink_inactive_list+0x1ea/0x5b0
Jul 3 09:50:09 GMQ kernel: [2764507.742715] [<ffffffff81168b5c>]
shrink_lruvec+0x35c/0x6e0
Jul 3 09:50:09 GMQ kernel: [2764507.742722] [<ffffffff81168f46>]
shrink_zone+0x66/0x1a0
Jul 3 09:50:09 GMQ kernel: [2764507.742728] [<ffffffff8116a11e>]
balance_pgdat+0x3be/0x620
Jul 3 09:50:09 GMQ kernel: [2764507.742735] [<ffffffff810760d2>] ?
del_timer_sync+0x52/0x60
Jul 3 09:50:09 GMQ kernel: [2764507.742741] [<ffffffff8116a4f7>]
kswapd+0x177/0x4a0
Jul 3 09:50:09 GMQ kernel: [2764507.742751] [<ffffffff810adb20>] ?
__wake_up_sync+0x20/0x20
Jul 3 09:50:09 GMQ kernel: [2764507.742756] [<ffffffff8116a380>] ?
balance_pgdat+0x620/0x620
Jul 3 09:50:09 GMQ kernel: [2764507.742767] [<ffffffff8108d079>]
kthread+0xc9/0xe0
Jul 3 09:50:09 GMQ kernel: [2764507.742771] [<ffffffff8108cfb0>] ?
flush_kthread_worker+0xb0/0xb0
Jul 3 09:50:09 GMQ kernel: [2764507.742777] [<ffffffff81760ffc>]
ret_from_fork+0x7c/0xb0
Jul 3 09:50:09 GMQ kernel: [2764507.742781] [<ffffffff8108cfb0>] ?
flush_kthread_worker+0xb0/0xb0
Jul 3 09:50:09 GMQ kernel: [2764507.742784] ---[ end trace 0c60ca2f2aae4c6d
]---
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