hi3536 SDK2.0.2.0 概率性崩溃

之前看网上有人说是DDR的问题，用memtester测试过，没发现什么问题

有时打印如下信息：
Unable to handle kernel paging request at virtual address e1a01004
67b8  eb051185 e594508c e2155001 13a05000 0a000001 e1a00005 e8bd80f8 e1a00004
67d8  e1a01007 e594317c e12fff33 e1a00005 e8bd80f8 e1a00004 e3a02001 ebfffeac
67f8  e3500000 1affffb8 e5d5307a e3130004 1affffb5 e2843074 e1932f9f e2822001
6818  e1831f92 e3310000 1afffffa e3e05068 eaffffe7 e2803074 e1932f9f e2822001
6838  e1831f92 e3310000 1afffffa e3e0500b eaffffdf e92d43f8 e1a08000 e3e03000
6858  e5900094 e1a09001 e588302c f57ff05f e5881094 eb006083 e599300c e59840d8

SP: 0xcf867b70:
7b70  20000193 c0a8025a 00000003 cfa1ffd8 cf867be4 00000000 00000001 00000001
7b90  c03e62dc 20000113 ffffffff cf867bdc 00000004 c0012b58 cf26c000 000008c0
7bb0  00000001 e3e05015 cf26c000 c0325218 cf26c000 00000001 00000004 cf214840
7bd0  00000003 c07233c0 c06f0134 cf867bf0 c03e67f8 c03e62e0 20000113 ffffffff
7bf0  c07248c0 00000004 cf214840 cf26c000 cf214840 c07233c0 00000000 c03e67f8
7c10  00000000 cf26c000 cf214840 c07233c0 00000000 c04412e0 00000000 cf26c000
7c30  cf214840 c04438f8 00000003 cf214840 00000003 cf26c000 cf867c94 c0443a80
7c50  00000003 00000111 00001388 00000004 c3c86064 00008813 5a02a8c0 5a0201e0

IP: 0xc06f00b4:
00b4  00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
00d4  00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
00f4  00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
0114  00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
0134  00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
0154  00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
0174  00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
0194  00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000

FP: 0xc0723340:
3340  00000001 00000000 c0723348 c0723348 00000000 00000000 c072893c c07247cc
3360  00000080 00000000 00000000 00000000 00000000 00000000 00000000 00000000
3380  0000000d 00000000 00000000 00000000 00000000 00000000 00000000 00000000
33a0  00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
33c0  00000001 00000001 00010001 c0723aa4 c0723aa4 00000000 00000000 00000000
33e0  00000000 c0706ca0 f0000253 cf80c480 cf80c500 c051b33c c070a5ac 00000000
3400  00000001 00000002 00000000 c070a5ac c0729f18 c07233f4 00000000 00000000
3420  cfb2226c cf883800 cfb08c00 cf83a830 ce6fd830 cfaeb800 cfaebc00 00000008

R0: 0xcf26bf80:
bf80  4c946c7e 4c947c7e 4c948c7e 4c949c7e 4c94ac7e 4c94bc7e 4c94cc7e 4c94dc7e
bfa0  4c94ec7e 4c94fc7e 4c950c7e 4c951c7e 4c952c7e 4c953c7e 4c954c7e 4c955c7e
bfc0  4c956c7e 4c957c7e 4c958c7e 4c959c7e 4c95ac7e 4c95bc7e 4c95cc7e 4c95dc7e
bfe0  4c95ec7e 4c95fc7e 4c960c7e 4c961c7e 4c962c7e 4c963c7e 4c964c7e 4c965c7e
c000  00000000 5a0201e0 6fcd1388 13880000 01070002 00000000 0000019b cf26c2d8
c020  c0325218 00000111 cf26c2e4 ffffffff 00000003 00000000 c450c44f 00000000
c040  00000000 cf26c044 cf26c044 cf214d80 cf214d80 00000001 653b653b 000008c0
c060  00000000 00000000 00000000 00001740 00000000 00000000 02000000 00000000

R3: 0xe3e04f95:
4f94  ******** ******** ******** ******** ******** ******** ******** ********
4fb4  ******** ******** ******** ******** ******** ******** ******** ********
4fd4  ******** ******** ******** ******** ******** ******** ******** ********
4ff4  ******** ******** ******** ******** ******** ******** ******** ********
5014  ******** ******** ******** ******** ******** ******** ******** ********
5034  ******** ******** ******** ******** ******** ******** ******** ********
5054  ******** ******** ******** ******** ******** ******** ******** ********
5074  ******** ******** ******** ******** ******** ******** ******** ********
5094  ******** ******** ******** ******** ******** ******** ******** ********

R4: 0xcf26bf80:
bf80  4c946c7e 4c947c7e 4c948c7e 4c949c7e 4c94ac7e 4c94bc7e 4c94cc7e 4c94dc7e
bfa0  4c94ec7e 4c94fc7e 4c950c7e 4c951c7e 4c952c7e 4c953c7e 4c954c7e 4c955c7e
bfc0  4c956c7e 4c957c7e 4c958c7e 4c959c7e 4c95ac7e 4c95bc7e 4c95cc7e 4c95dc7e
bfe0  4c95ec7e 4c95fc7e 4c960c7e 4c961c7e 4c962c7e 4c963c7e 4c964c7e 4c965c7e
c000  00000000 5a0201e0 6fcd1388 13880000 01070002 00000000 0000019b cf26c2d8
c020  c0325218 00000111 cf26c2e4 ffffffff 00000003 00000000 c450c44f 00000000
c040  00000000 cf26c044 cf26c044 cf214d80 cf214d80 00000001 653b653b 000008c0
c060  00000000 00000000 00000000 00001740 00000000 00000000 02000000 00000000

R5: 0xc0325198:
5198  e59ce048 e3a02000 e1a04001 e28ee001 e58ce048 ebff97ff e1a05000 e1a00004
51b8  ebff905e e1a00005 e8bd8038 e1a00001 eaff905a e3520a01 e92d4ff0 93a03000
51d8  83a03001 e1a05001 e3510000 11a01003 03831001 e24dd014 e3510000 e1a04002
51f8  1a000088 e3a000d0 ebf5c067 e2506000 0a00008b e1a0200d e3c23d7f e3c3303f
5218  e5933008 e0952004 30d22003 33a03000 e3530000 0a000018 e3540000 1a000022
5238  e3a03000 e7c63004 e300004c e1a01006 e34c0065 e3a02016 ebfe9909 e2505000
5258  0a000049 e3000064 e1a01006 e34c0065 e3a02019 ebfe9902 e2505000 0a000016
5278  e3e05015 e1a00006 e3a01000 ebf5c298 e1a00005 e28dd014 e8bd8ff0 e1a01005

R6: 0xcf26bf80:
bf80  4c946c7e 4c947c7e 4c948c7e 4c949c7e 4c94ac7e 4c94bc7e 4c94cc7e 4c94dc7e
bfa0  4c94ec7e 4c94fc7e 4c950c7e 4c951c7e 4c952c7e 4c953c7e 4c954c7e 4c955c7e
bfc0  4c956c7e 4c957c7e 4c958c7e 4c959c7e 4c95ac7e 4c95bc7e 4c95cc7e 4c95dc7e
bfe0  4c95ec7e 4c95fc7e 4c960c7e 4c961c7e 4c962c7e 4c963c7e 4c964c7e 4c965c7e
c000  00000000 5a0201e0 6fcd1388 13880000 01070002 00000000 0000019b cf26c2d8
c020  c0325218 00000111 cf26c2e4 ffffffff 00000003 00000000 c450c44f 00000000
c040  00000000 cf26c044 cf26c044 cf214d80 cf214d80 00000001 653b653b 000008c0
c060  00000000 00000000 00000000 00001740 00000000 00000000 02000000 00000000

R9: 0xcf2147c0:
47c0  00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
47e0  00000000 00000000 00000000 00000000 00000000 00000000 01000000 00000000
4800  00000000 00000000 00000000 00000000 00000000 00000000 cea68042 cea68740
4820  cea68000 cea68042 000008c0 00000001 00000000 00000000 00000000 00000000
4840  00000000 00000000 00000000 00000000 00000000 ce6fc000 00000004 5102a8c0
4860  00000000 00000000 00000000 00000000 000005c8 00000000 00000000 00000000
4880  00000000 00000000 00000000 00000000 000005c8 00000000 0000000e 00000000
48a0  00000000 00080206 00000000 00000004 00000000 00000000 01000000 00000000
Process swapper/1 (pid: 0, stack limit = 0xcf866238)
Stack: (0xcf867bf0 to 0xcf868000)
7be0:                                     c07248c0 00000004 cf214840 cf26c000
7c00: cf214840 c07233c0 00000000 c03e67f8 00000000 cf26c000 cf214840 c07233c0
7c20: 00000000 c04412e0 00000000 cf26c000 cf214840 c04438f8 00000003 cf214840
7c40: 00000003 cf26c000 cf867c94 c0443a80 00000003 00000111 00001388 00000004
7c60: c3c86064 00008813 5a02a8c0 5a0201e0 00000004 c0443d78 cf26c2c0 cf26c000
7c80: cf070880 cf214840 cf26c840 cf26c580 cf26c2c0 cf26c000 00000000 ce6fc000
7ca0: cf185900 cf867cd4 fe402000 c0013ea0 fe40200c c0700108 cf867ce0 c0008514
7cc0: 00000000 c0052b30 60000113 cefa99c0 00000011 c3c6f064 ceb6d100 c0701734
7ce0: 000005c8 c070094c ffffffff c07233c0 ceb6d100 5a0201e0 ffffffff c0729f80
7d00: ffffffff c07233c0 ceb6d100 5a0201e0 ffffffff ceb6d100 5a0201e0 c03fe448
7d20: 00000020 01ffffff c07233c0 5a0201e0 c07233c0 cf214840 ce6fc000 cf185900
7d40: 00000001 c04148b4 00000011 cf185900 00000001 c0416984 00000000 ce6fc000
7d60: cf185900 cf867d94 c072aab0 00000002 c0729f80 cd2396c0 00000000 c072a7c4
7d80: 00000001 00000000 00000000 cf214840 00000011 c3c86064 ceb6d100 c0701734
7da0: 000005c8 c070094c 00000000 c04441ac c0701734 00000003 00000000 c3c86050
7dc0: 5a02a8c0 5a0201e0 00000000 c0573c28 c0701238 cf214840 c07233c0 00000000
7de0: cf214840 c070094c 00000000 c0418684 c04185f4 c0700938 c07017a4 00000008
7e00: ce6fc000 c03f4f24 0073475e 00000037 c007d78c cf801e00 000006ee cf214840
7e20: c0020b60 c070094c c044bc8c c0700940 cf214840 c001d7b4 00000000 00000003
7e40: cf214840 d11fafd0 000005ea c03f60f8 c07cc0c0 c070179c cf214840 ce6fc600
7e60: c001d7b4 00000000 00000003 cf214840 00000003 c03f66d0 00000004 ce6fc600
7e80: d11fafc0 bf05761c 00000000 cf867ec0 4073475d 000001fd 00001000 bf072f00
7ea0: 00000040 c07042f0 ce6fc540 00000040 4073475d 00000001 ce6fc600 00000040
7ec0: 0000012c c0960040 00734760 c0960048 c06f20c0 c03f7a20 499921fa c072ab3d
7ee0: 0073475e 00000001 0000000c c06f2090 c06f2080 cf866000 00000003 0000000c
7f00: 00000100 c002bb34 00000037 c06f4ac0 c072aa7b c06ec778 00000001 0000000a
7f20: c0730480 c06f20c0 0073475f c0705c64 00200040 cf866008 cf866000 cf866020
7f40: 00000037 00000000 c0744b00 fe402000 cf866000 cf866000 c06ffcf0 c002bf4c
7f60: c06ecfd8 c0013ea0 fe40200c c0700108 cf867f98 c0008514 c00142a4 c00142a8
7f80: 60000013 ffffffff cf867fcc c072aa65 cf866000 c0012bc0 c095e930 00000000
7fa0: cc19af82 00000000 c072aa65 c06ffd50 c052ce6c cf866000 c072aa65 cf866000
7fc0: cf866000 c06ffcf0 00000000 cf867fe0 c00142a4 c00142a8 60000013 ffffffff
7fe0: cc19af82 c005b15c 00000000 c072af04 00000000 4051ef24 ffffffff ffffffff
[] (__sk_mem_schedule+0x34/0x228) from [] (sock_queue_rcv_skb+0x160/0x1b4)
[] (sock_queue_rcv_skb+0x160/0x1b4) from [] (__udp_queue_rcv_skb+0x34/0x108)
[] (__udp_queue_rcv_skb+0x34/0x108) from [] (udp_queue_rcv_skb+0x26c/0x384)
[] (udp_queue_rcv_skb+0x26c/0x384) from [] (flush_stack+0x70/0x114)
[] (flush_stack+0x70/0x114) from [] (__udp4_lib_mcast_deliver.isra.56+0x254/0x360)
[] (__udp4_lib_mcast_deliver.isra.56+0x254/0x360) from [] (__udp4_lib_rcv+0x328/0x5d4)
[] (__udp4_lib_rcv+0x328/0x5d4) from [] (ip_local_deliver+0x90/0x25c)
[] (ip_local_deliver+0x90/0x25c) from [] (__netif_receive_skb_core+0x444/0x558)
[] (__netif_receive_skb_core+0x444/0x558) from [] (netif_receive_skb+0x34/0xa4)
[] (netif_receive_skb+0x34/0xa4) from [] (napi_gro_receive+0x74/0xa0)
[] (napi_gro_receive+0x74/0xa0) from [] (stmmac_poll+0x3a4/0xb04 [stmmac])
[] (stmmac_poll+0x3a4/0xb04 [stmmac]) from [] (net_rx_action+0xb0/0x170)
[] (net_rx_action+0xb0/0x170) from [] (__do_softirq+0x124/0x204)
[] (__do_softirq+0x124/0x204) from [] (irq_exit+0x9c/0xd0)
[] (irq_exit+0x9c/0xd0) from [] (handle_IRQ+0x44/0x90)
[] (handle_IRQ+0x44/0x90) from [] (gic_handle_irq+0x34/0x8c)
[] (gic_handle_irq+0x34/0x8c) from [] (__irq_svc+0x40/0x50)
Exception stack(0xcf867f98 to 0xcf867fe0)
7f80:                                                       c095e930 00000000
7fa0: cc19af82 00000000 c072aa65 c06ffd50 c052ce6c cf866000 c072aa65 cf866000
7fc0: cf866000 c06ffcf0 00000000 cf867fe0 c00142a4 c00142a8 60000013 ffffffff
[] (__irq_svc+0x40/0x50) from [] (arch_cpu_idle+0x2c/0x30)
[] (arch_cpu_idle+0x2c/0x30) from [] (cpu_startup_entry+0xfc/0x140)
[] (cpu_startup_entry+0xfc/0x140) from [<4051ef24>] (0x4051ef24)
Code: e580306c e5953060 f57ff05f e1934f9f (e0844007)
---[ end trace f989c4fb0c56cf8b ]---
Kernel panic - not syncing: Fatal exception in interrupt
CPU3: stopping
CPU: 3 PID: 0 Comm: swapper/3 Tainted: P      D    O 3.10.0_hi3536 #2
[] (unwind_backtrace+0x0/0xf4) from [] (show_stack+0x10/0x14)
[] (show_stack+0x10/0x14) from [] (handle_IPI+0x188/0x1b0)
[] (handle_IPI+0x188/0x1b0) from [] (gic_handle_irq+0x88/0x8c)
[] (gic_handle_irq+0x88/0x8c) from [] (__irq_svc+0x40/0x50)
Exception stack(0xcf86bf98 to 0xcf86bfe0)
bf80:                                                       c096e930 00000000
bfa0: 372713f6 00000000 c072aa65 c06ffd50 c052ce6c cf86a000 c072aa65 cf86a000
bfc0: cf86a000 c06ffcf0 00000000 cf86bfe0 c00142a4 c00142a8 60000013 ffffffff
[] (__irq_svc+0x40/0x50) from [] (arch_cpu_idle+0x2c/0x30)
[] (arch_cpu_idle+0x2c/0x30) from [] (cpu_startup_entry+0xfc/0x140)
[] (cpu_startup_entry+0xfc/0x140) from [<4051ef24>] (0x4051ef24)
CPU2: stopping
CPU: 2 PID: 0 Comm: swapper/2 Tainted: P      D    O 3.10.0_hi3536 #2
[] (unwind_backtrace+0x0/0xf4) from [] (show_stack+0x10/0x14)
[] (show_stack+0x10/0x14) from [] (handle_IPI+0x188/0x1b0)
[] (handle_IPI+0x188/0x1b0) from [] (gic_handle_irq+0x88/0x8c)
[] (gic_handle_irq+0x88/0x8c) from [] (__irq_svc+0x40/0x50)
Exception stack(0xcf869f98 to 0xcf869fe0)
9f80:                                                       c0966930 00000000
9fa0: 37543e9a 00000000 c072aa65 c06ffd50 c052ce6c cf868000 c072aa65 cf868000
9fc0: cf868000 c06ffcf0 00000000 cf869fe0 c00142a4 c00142a8 60000013 ffffffff
[] (__irq_svc+0x40/0x50) from [] (arch_cpu_idle+0x2c/0x30)
[] (arch_cpu_idle+0x2c/0x30) from [] (cpu_startup_entry+0xfc/0x140)
[] (cpu_startup_entry+0xfc/0x140) from [<4051ef24>] (0x4051ef24)
SMP: failed to stop secondary CPUs
pgd = cf244000
[e1a01004] *pgd=00000000
Internal error: Oops: 80000005 [#2] SMP ARM
Modules linked in: tlv_320aic31(O) hi3536_adec(PO) hi3536_aenc(PO) hi3536_ao(PO) hi3536_ai(PO) hi3536_aio(PO) acodec(PO) hi3536_ive(PO) hi3536_vda(PO) hi3536_jpege(PO) hi3536_h264e(PO) hi3536_chnl(PO) hi3536_venc(PO) hi3536_rc(PO) hi3536_hdmi(O) hifb(PO) hi3536_vou(PO) hi3536_vpss(PO) hi3536_viu(PO) hi3536_vgs(PO) hi3536_region(PO) hi3536_tde(PO) hi3536_jpegd(O) hi3536_vfmw(PO) hi3536_vdec(PO) hi3536_sys(PO) hi3536_base(PO) hiuser(O) hi_media(O) mmz(O) stmmac [last unloaded: stmmac]
CPU: 0 PID: 1133 Comm: vdec_1 Tainted: P      D    O 3.10.0_hi3536 #2
task: cec1f800 ti: cd16a000 task.ti: cd16a000
PC is at 0xe1a01004
LR is at inet_recvmsg+0x88/0x9c
pc : []    lr : []    psr: 60000013
sp : cd16bde8  ip : e1a01006  fp : b47ddd64
r10: 00000000  r9 : b49ddd80  r8 : cec1f800
r7 : 00000001  r6 : 00100000  r5 : cd16bdfc  r4 : cd16beec
r3 : 00100000  r2 : cd16beec  r1 : cf26c000  r0 : cd16be60
Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment user
Control: 10c5387d  Table: 4f24406a  DAC: 00000015

PC: 0xe1a00f84:
0f84  ******** ******** ******** ******** ******** ******** ******** ********
0fa4  ******** ******** ******** ******** ******** ******** ******** ********
0fc4  ******** ******** ******** ******** ******** ******** ******** ********
0fe4  ******** ******** ******** ******** ******** ******** ******** ********
1004  ******** ******** ******** ******** ******** ******** ******** ********
1024  ******** ******** ******** ******** ******** ******** ******** ********
1044  ******** ******** ******** ******** ******** ******** ******** ********
1064  ******** ******** ******** ******** ******** ******** ******** ********

LR: 0xc044a7d0:
a7d0  e1a04002 e5911014 e3a02000 e59de030 e58d2014 e300c9d8 e34cc070 e5912070
a7f0  e59cc000 e3520000 135c0000 0a000009 e59c6000 e1a0700d e3c75d7f e0022006
a810  e3c5503f e08cc082 e5955014 e1dc20b4 e1550002 11cc50b4 e591c020 e20e2040
a830  e28d5014 e58d2000 e3cee040 e58d5008 e58de004 e1a02004 e59cc02c e12fff3c
a850  e3500000 a59d3014 a5843004 e28dd01c e8bd80f0 e92d4070 e280604c e590304c
a870  e1a04000 e1560003 0a000011 e3530000 0a00000f e3a05000 e5942054 e1a00003
a890  e2422001 e5842054 e8930006 e5835000 e5835004 e5812004 e5821000 ebfe7f5a
a8b0  e594304c e1560003 0a000001 e3530000 1afffff0 e59430ec e28460ec e1560003

SP: 0xcd16bd68:
bd68  00100000 000005c0 000005c0 c00bac10 c0700934 cf2149c0 cf26c000 cd16beec
bd88  e1a01004 60000013 ffffffff cd16bdd4 cec1f800 c0012c78 cd16be60 cf26c000
bda8  cd16beec 00100000 cd16beec cd16bdfc 00100000 00000001 cec1f800 b49ddd80
bdc8  00000000 b47ddd64 e1a01006 cd16bde8 c044a850 e1a01004 60000013 ffffffff
bde8  00000000 00000000 cd16bdfc ffffffff 8b852a94 00000000 000044fb cd16be20
be08  00000000 00100000 00000001 c03e389c 00000000 cec1f800 c0957ac0 c0957ac0
be28  00000000 00100000 cf458180 0026a000 00000000 cd16beec cec1e400 cec1e6ec
be48  cd16be64 00000008 00000000 cec1f800 c06fffb0 c06edac0 00000001 00000000

IP: 0xe1a00f86:
0f84  ******** ******** ******** ******** ******** ******** ******** ********
0fa4  ******** ******** ******** ******** ******** ******** ******** ********
0fc4  ******** ******** ******** ******** ******** ******** ******** ********
0fe4  ******** ******** ******** ******** ******** ******** ******** ********
1004  ******** ******** ******** ******** ******** ******** ******** ********
1024  ******** ******** ******** ******** ******** ******** ******** ********
1044  ******** ******** ******** ******** ******** ******** ******** ********
1064  ******** ******** ******** ******** ******** ******** ******** ********
1084  ******** ******** ******** ******** ******** ******** ******** ********

R0: 0xcd16bde0:
bde0  60000013 ffffffff 00000000 00000000 cd16bdfc ffffffff 8b852a94 00000000
be00  000044fb cd16be20 00000000 00100000 00000001 c03e389c 00000000 cec1f800
be20  c0957ac0 c0957ac0 00000000 00100000 cf458180 0026a000 00000000 cd16beec
be40  cec1e400 cec1e6ec cd16be64 00000008 00000000 cec1f800 c06fffb0 c06edac0
be60  00000001 00000000 00000000 00000000 00000000 cec1f800 00000000 00000000
be80  00000000 00000000 cd16be20 00000000 00000000 00000000 00000000 00000000
bea0  00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
bec0  cf458180 00100000 00000000 cd16bf08 001f6134 c03e58b0 c0957ac0 fffffff7

R1: 0xcf26bf80:
bf80  4c946c7e 4c947c7e 4c948c7e 4c949c7e 4c94ac7e 4c94bc7e 4c94cc7e 4c94dc7e
bfa0  4c94ec7e 4c94fc7e 4c950c7e 4c951c7e 4c952c7e 4c953c7e 4c954c7e 4c955c7e
bfc0  4c956c7e 4c957c7e 4c958c7e 4c959c7e 4c95ac7e 4c95bc7e 4c95cc7e 4c95dc7e
bfe0  4c95ec7e 4c95fc7e 4c960c7e 4c961c7e 4c962c7e 4c963c7e 4c964c7e 4c965c7e
c000  00000000 5a0201e0 6fcd1388 13880000 01070002 00000000 0000019b cf26c2d8
c020  c0325218 00000111 cf26c2e4 ffffffff 00000003 00000000 c450c44f 00000000
c040  00000000 cf26c044 cf26c044 cf214d80 cf214d80 00000001 653b653b 000008c0
c060  00000000 00000000 00000000 00001740 00000000 00000000 02000000 00000000

R2: 0xcd16be6c:
be6c  00000000 00000000 cec1f800 00000000 00000000 00000000 00000000 cd16be20
be8c  00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
beac  00000000 00000000 00000000 00000000 00000000 cf458180 00100000 00000000
becc  cd16bf08 001f6134 c03e58b0 c0957ac0 fffffff7 00000001 b49ddd80 00100000
beec  cd16bf08 00000080 cd16bee4 00000001 00000000 00000000 00000000 88130002
bf0c  5a02a8c0 00000000 00000000 c072aa60 c052f61c c06ffd54 c06fffb0 cd16bf68
bf2c  c00185c0 fe40200c c0700108 cd16bf68 c0744b00 fe402000 c0008568 c0012ec4
bf4c  c000e49c 60000013 ffffffff cd16bf9c f4000000 c0012f14 c0012bc0 f421070d

R4: 0xcd16be6c:
be6c  00000000 00000000 cec1f800 00000000 00000000 00000000 00000000 cd16be20
be8c  00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
beac  00000000 00000000 00000000 00000000 00000000 cf458180 00100000 00000000
becc  cd16bf08 001f6134 c03e58b0 c0957ac0 fffffff7 00000001 b49ddd80 00100000
beec  cd16bf08 00000080 cd16bee4 00000001 00000000 00000000 00000000 88130002
bf0c  5a02a8c0 00000000 00000000 c072aa60 c052f61c c06ffd54 c06fffb0 cd16bf68
bf2c  c00185c0 fe40200c c0700108 cd16bf68 c0744b00 fe402000 c0008568 c0012ec4
bf4c  c000e49c 60000013 ffffffff cd16bf9c f4000000 c0012f14 c0012bc0 f421070d

R5: 0xcd16bd7c:
bd7c  cf2149c0 cf26c000 cd16beec e1a01004 60000013 ffffffff cd16bdd4 cec1f800
bd9c  c0012c78 cd16be60 cf26c000 cd16beec 00100000 cd16beec cd16bdfc 00100000
bdbc  00000001 cec1f800 b49ddd80 00000000 b47ddd64 e1a01006 cd16bde8 c044a850
bddc  e1a01004 60000013 ffffffff 00000000 00000000 cd16bdfc ffffffff 8b852a94
bdfc  00000000 000044fb cd16be20 00000000 00100000 00000001 c03e389c 00000000
be1c  cec1f800 c0957ac0 c0957ac0 00000000 00100000 cf458180 0026a000 00000000
be3c  cd16beec cec1e400 cec1e6ec cd16be64 00000008 00000000 cec1f800 c06fffb0
be5c  c06edac0 00000001 00000000 00000000 00000000 00000000 cec1f800 00000000

R8: 0xcec1f780:
f780  cec1f77c 00000000 00000000 00000000 00000001 00000000 cec1f798 cec1f798
f7a0  00000000 00000000 cec1f7a8 cec1f7a8 00000000 00000000 00000000 00000000
f7c0  00000000 00000000 00000020 00000000 0000c350 0000c350 00000001 00000000
f7e0  00000000 00080206 c03e6270 00000004 00000000 00000000 01000000 00000000
f800  00000000 cd16a000 00000002 00404040 00000000 00000000 00000001 00000001
f820  00000078 00000078 00000078 00000000 c052f61c 00000000 00000400 00400000
f840  00000001 00000000 00000000 c0957f24 c0957f24 00000001 0148e190 000044fc
f860  e22b20b8 00000370 8b8fb314 00000315 e22b20b8 00000370 000ad0dd 00000000
Process vdec_1 (pid: 1133, stack limit = 0xcd16a238)
Stack: (0xcd16bde8 to 0xcd16c000)
bde0:                   00000000 00000000 cd16bdfc ffffffff 8b852a94 00000000
be00: 000044fb cd16be20 00000000 00100000 00000001 c03e389c 00000000 cec1f800
be20: c0957ac0 c0957ac0 00000000 00100000 cf458180 0026a000 00000000 cd16beec
be40: cec1e400 cec1e6ec cd16be64 00000008 00000000 cec1f800 c06fffb0 c06edac0
be60: 00000001 00000000 00000000 00000000 00000000 cec1f800 00000000 00000000
be80: 00000000 00000000 cd16be20 00000000 00000000 00000000 00000000 00000000
bea0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
bec0: cf458180 00100000 00000000 cd16bf08 001f6134 c03e58b0 c0957ac0 fffffff7
bee0: 00000001 b49ddd80 00100000 cd16bf08 00000080 cd16bee4 00000001 00000000
bf00: 00000000 00000000 88130002 5a02a8c0 00000000 00000000 c072aa60 c052f61c
bf20: c06ffd54 c06fffb0 cd16bf68 c00185c0 fe40200c c0700108 cd16bf68 c0744b00
bf40: fe402000 c0008568 c0012ec4 c000e49c 60000013 ffffffff cd16bf9c f4000000
bf60: c0012f14 c0012bc0 f421070d b49ddd8c b536d058 cd16a018 00000000 cd16a000
bf80: cd16bfb0 00000000 cd16a000 001f6134 b47ddd58 b6f5fde8 00000124 c0013128
bfa0: cd16a000 c0012f80 001f6134 b47ddd58 00000010 b49ddd80 00100000 00000000
bfc0: 001f6134 b47ddd58 b6f5fde8 00000124 00000000 00000000 b6f94000 b47ddd64
bfe0: 00000000 b47ddd30 00000000 b6f5d2dc 80000010 00000010 4fffe821 4fffec21
[] (inet_recvmsg+0x88/0x9c) from [] (sock_recvmsg+0x84/0xa8)
[] (sock_recvmsg+0x84/0xa8) from [] (SyS_recvfrom+0x88/0xd8)
[] (SyS_recvfrom+0x88/0xd8) from [] (ret_fast_syscall+0x0/0x30)
Code: bad PC value
---[ end trace f989c4fb0c56cf8c ]---
CPU0: stopping
CPU: 0 PID: 1133 Comm: vdec_1 Tainted: P      D    O 3.10.0_hi3536 #2
[] (unwind_backtrace+0x0/0xf4) from [] (show_stack+0x10/0x14)
[] (show_stack+0x10/0x14) from [] (handle_IPI+0x188/0x1b0)
[] (handle_IPI+0x188/0x1b0) from [] (gic_handle_irq+0x88/0x8c)
[] (gic_handle_irq+0x88/0x8c) from [] (__irq_svc+0x40/0x50)
Exception stack(0xcd16bbf0 to 0xcd16bc38)
bbe0:                                     00001fe5 cfbf63c0 cfb4ea44 00000504
bc00: cec1f800 00000000 0000000b c061c600 cd16a010 c072aec0 cec1f800 cec1f800
bc20: 00000000 cd16bc38 c00359b4 c00359ec 60000113 ffffffff
[] (__irq_svc+0x40/0x50) from [] (exit_signals+0xc0/0x170)
[] (exit_signals+0xc0/0x170) from [] (do_exit+0xa0/0x944)
[] (do_exit+0xa0/0x944) from [] (die+0x224/0x2d8)
[] (die+0x224/0x2d8) from [] (__do_kernel_fault.part.10+0x64/0x74)
[] (__do_kernel_fault.part.10+0x64/0x74) from [] (do_sect_fault+0x0/0x10)
[] (do_sect_fault+0x0/0x10) from [] (runqueues+0x0/0x4c0)

崩溃时，串口有时会不停的打印如下信息：
SYS_GetLocalCurPts hi_sched_clock error u64TimeNow=183241160452200,u64TimeLast=183275500196296
SYS_GetLocalCurPts hi_sched_clock error u64TimeNow=183241170718568,u64TimeLast=183275510462040
INFO: rcu_sched detected stalls on CPUs/tasks: { 0} (detected by 1, t=6002 jiffies, g=718735, c=718734, q=304)
Backtrace for cpu 1 (current):
CPU: 1 PID: 0 Comm: swapper/1 Tainted: P           O 3.10.0_hi3536 #2
[] (unwind_backtrace+0x0/0xf4) from [] (show_stack+0x10/0x14)
[] (show_stack+0x10/0x14) from [] (smp_send_all_cpu_backtrace+0x70/0xcc)
[] (smp_send_all_cpu_backtrace+0x70/0xcc) from [] (rcu_check_callbacks+0x64c/0x6b0)
[] (rcu_check_callbacks+0x64c/0x6b0) from [] (update_process_times+0x40/0x6c)
[] (update_process_times+0x40/0x6c) from [] (tick_nohz_handler+0xb4/0x11c)
[] (tick_nohz_handler+0xb4/0x11c) from [] (sp804_timer_isr+0x20/0x28)
[] (sp804_timer_isr+0x20/0x28) from [] (handle_irq_event_percpu+0x54/0x17c)
[] (handle_irq_event_percpu+0x54/0x17c) from [] (handle_irq_event+0x40/0x60)
[] (handle_irq_event+0x40/0x60) from [] (handle_fasteoi_irq+0x80/0x158)
[] (handle_fasteoi_irq+0x80/0x158) from [] (generic_handle_irq+0x28/0x40)
[] (generic_handle_irq+0x28/0x40) from [] (handle_IRQ+0x40/0x90)
[] (handle_IRQ+0x40/0x90) from [] (gic_handle_irq+0x34/0x8c)
[] (gic_handle_irq+0x34/0x8c) from [] (__irq_svc+0x40/0x50)
Exception stack(0xcf867f98 to 0xcf867fe0)
7f80:                                                       c095e930 00000000
7fa0: 4c97cb3e 00000000 c072aa65 c06ffd50 c052ce6c cf866000 c072aa65 cf866000
7fc0: cf866000 c06ffcf0 00000000 cf867fe0 c00142a4 c00142a8 60000013 ffffffff
[] (__irq_svc+0x40/0x50) from [] (arch_cpu_idle+0x2c/0x30)
[] (arch_cpu_idle+0x2c/0x30) from [] (cpu_startup_entry+0xfc/0x140)
[] (cpu_startup_entry+0xfc/0x140) from [<4051ef24>] (0x4051ef24)

sending IPI to all other CPUs:
IPI backtrace for cpu 2

CPU: 2 PID: 0 Comm: swapper/2 Tainted: P           O 3.10.0_hi3536 #2
task: cf85d000 ti: cf868000 task.ti: cf868000
PC is at arch_cpu_idle+0x2c/0x30
LR is at arch_cpu_idle+0x28/0x30
pc : []    lr : []    psr: 60000013
sp : cf869fe0  ip : 00000000  fp : c06ffcf0
r10: cf868000  r9 : cf868000  r8 : c072aa65
r7 : cf868000  r6 : c052ce6c  r5 : c06ffd50  r4 : c072aa65
r3 : 00000000  r2 : 055a1b38  r1 : 00000000  r0 : c0966930
Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment kernel
Control: 10c5387d  Table: 4d9cc06a  DAC: 00000015

PC: 0xc0014228:
4228  f10c0040 e30c3e6c e34c3052 e5933000 e5930000 e200000f eb0b026c e1a01004
4248  e59f200c e30400a8 e34c0001 eb0ab7e5 e7f001f2 c072ad08 f1080040 e12fff1e
4268  e3a00001 ea004e33 e3a00002 ea004e31 ea1424c8 e92d4008 e30a3c88 e34c3072
4288  e5933080 e3530000 0a000002 e12fff33 f1080080 e8bd8008 eb0033c6 f1080080
42a8  e8bd8008 ea004e85 e92d4008 eb0010f0 f10c0080 eafffffe e92d4010 eb0010ec
42c8  e30a3c88 e34c3072 e5933084 e3530000 08bd8010 e8bd4010 e12fff13 e92d4038
42e8  e1a04000 eb0010e2 e30338c8 e34c3070 e1a01004 e30e58a4 e593205c e34c5070
4308  e5d30000 e3a04ffa e12fff32 e30605b0 e5953004 e3400666 e12fff33 e2544001

LR: 0xc0014224:
4224  f10c0080 f10c0040 e30c3e6c e34c3052 e5933000 e5930000 e200000f eb0b026c
4244  e1a01004 e59f200c e30400a8 e34c0001 eb0ab7e5 e7f001f2 c072ad08 f1080040
4264  e12fff1e e3a00001 ea004e33 e3a00002 ea004e31 ea1424c8 e92d4008 e30a3c88
4284  e34c3072 e5933080 e3530000 0a000002 e12fff33 f1080080 e8bd8008 eb0033c6
42a4  f1080080 e8bd8008 ea004e85 e92d4008 eb0010f0 f10c0080 eafffffe e92d4010
42c4  eb0010ec e30a3c88 e34c3072 e5933084 e3530000 08bd8010 e8bd4010 e12fff13
42e4  e92d4038 e1a04000 eb0010e2 e30338c8 e34c3070 e1a01004 e30e58a4 e593205c
4304  e34c5070 e5d30000 e3a04ffa e12fff32 e30605b0 e5953004 e3400666 e12fff33

SP: 0xcf869f60:
9f60  fe40200c c0700108 cf869f98 c0744b00 fe402000 c0008568 c00142a4 c00142a8
9f80  60000013 ffffffff cf869fcc c072aa65 cf868000 c0012bc0 c0966930 00000000
9fa0  055a1b38 00000000 c072aa65 c06ffd50 c052ce6c cf868000 c072aa65 cf868000
9fc0  cf868000 c06ffcf0 00000000 cf869fe0 c00142a4 c00142a8 60000013 ffffffff
9fe0  055a1b38 c005b15c 00000000 c072af04 00000000 4051ef24 ffffffff ffffffff
a000  00000000 00000000 00000000 cf85d400 c0705b04 00000003 00000015 c096fac0
a020  cf85d400 c06edac0 cf86a038 cfb85c00 cf027000 00000000 cf86bfdc cf86bf38
a040  c0529d24 00000000 00000000 00000000 00000000 00000000 00000000 00000000

FP: 0xc06ffc70:
fc70  3ab7828b f06b23d0 ae0ec13c 64d26067 00000000 00000001 c0021948 ffffffff
fc90  c0015a84 000fb0d7 00000009 c00210b0 c00210e8 90f00000 c0020bb4 c0020b78
fcb0  c0020904 c00209c0 c00209d8 c00209f0 c00209f0 c00209f4 c00209f4 c0020a68
fcd0  c0020b50 c0020b60 c0020b1c 00000012 00001f40 00000000 00000000 00000000
fcf0  0000000f 0000000f 0000000f 0000000f 00000000 cf807a80 cf807b40 cf807c00
fd10  cf80e100 cf807cc0 00000000 0000003c 00000000 00002e7b 000003e8 00000001
fd30  00000001 00000020 00000001 0007a120 00000000 00000028 00989680 00004e20
fd50  00000000 00000000 00000000 00000000 00000003 00000001 00000001 00000004

R0: 0xc09668b0:
68b0  c09668a4 c6167600 00000000 000af78e 000af78f 000af78f 00000024 000000bc
68d0  00000000 0006757a 00000000 00000000 00000000 00000000 0000000a c0966930
68f0  0557cc21 000003ed 00000000 0107d02b 00000bb7 000ac9d9 00021177 0009f258
6910  0008bdfd 0006f7cf 00e14cb7 00000000 c007c0e4 00000002 c0708840 00000000
6930  00000000 00000000 00000000 055a1b38 fffffed4 fffffed4 00010001 c0708a80
6950  00000004 00000000 c0966954 c0966954 c0966954 c0966954 00000000 00000000
6970  00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
6990  00000000 00000000 0000000a c0966930 00000000 00000000 00000000 0107d02b

R4: 0xc072a9e5:
a9e4  00000000 c0521c1c c072aa00 00000000 c0521d80 c072a970 00000064 c0521e3c
aa04  c074959c 00000000 c03f7150 c072a880 00000000 00000000 00000000 00000000
aa24  00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
aa44  00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
aa64  00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
aa84  00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
aaa4  00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
aac4  00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
aae4  00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000

R5: 0xc06ffcd0:
fcd0  c0020b50 c0020b60 c0020b1c 00000012 00001f40 00000000 00000000 00000000
fcf0  0000000f 0000000f 0000000f 0000000f 00000000 cf807a80 cf807b40 cf807c00
fd10  cf80e100 cf807cc0 00000000 0000003c 00000000 00002e7b 000003e8 00000001
fd30  00000001 00000020 00000001 0007a120 00000000 00000028 00989680 00004e20
fd50  00000000 00000000 00000000 00000000 00000003 00000001 00000001 00000004
fd70  00000001 00000000 00000000 00000000 00000001 00000001 00000001 00000001
fd90  00000001 00000000 00000000 00000000 000186a0 00000000 00000001 000003e8
fdb0  00000204 00000000 0000f684 000002f1 000002f1 01ffffff 00000001 00000001

R6: 0xc052cdec:
cdec  00000010 00000020 00000040 00000080 00000100 00000200 00000400 00000800
ce0c  00001000 00002000 00004000 00008000 00010000 00020000 00040000 00080000
ce2c  00100000 00200000 00400000 00800000 01000000 02000000 04000000 08000000
ce4c  10000000 20000000 40000000 80000000 7570635f 0070755f c06ffcfc c06ffcf4
ce6c  c06ffcf0 c06ffcf8 0000000f c002c86c c002c340 c002c838 c002c49c 00000000
ce8c  c00dd78c c00dd89c 00000000 00000000 00000000 00000000 00000000 00000000
ceac  00000000 00000000 c002c46c 00000000 c00ddd04 00000000 00000000 00000000
cecc  00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000

R7: 0xcf867f80:
7f80  60000013 ffffffff cf867fcc c072aa65 cf866000 c0012bc0 c095e930 00000000
7fa0  4c97cb3e 00000000 c072aa65 c06ffd50 c052ce6c cf866000 c072aa65 cf866000
7fc0  cf866000 c06ffcf0 00000000 cf867fe0 c00142a4 c00142a8 60000013 ffffffff
7fe0  4c97cb3e c005b15c 00000000 c072af04 00000000 4051ef24 ffffffff fffffffe
8000  00000000 00000001 00000000 cf85d000 c0705b04 00000002 00000015 c0967ac0
8020  cf85d000 c06edac0 cf868038 cfb84a80 ce6ee800 cfb84a80 cf869fdc cf869f38
8040  c0529d24 00000000 00000000 00000000 00000000 00000000 00000000 00000000
8060  00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000

R8: 0xc072a9e5:
a9e4  00000000 c0521c1c c072aa00 00000000 c0521d80 c072a970 00000064 c0521e3c
aa04  c074959c 00000000 c03f7150 c072a880 00000000 00000000 00000000 00000000
aa24  00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
aa44  00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
aa64  00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
aa84  00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
aaa4  00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
aac4  00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
aae4  00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000

R9: 0xcf867f80:
7f80  60000013 ffffffff cf867fcc c072aa65 cf866000 c0012bc0 c095e930 00000000
7fa0  4c97cb3e 00000000 c072aa65 c06ffd50 c052ce6c cf866000 c072aa65 cf866000
7fc0  cf866000 c06ffcf0 00000000 cf867fe0 c00142a4 c00142a8 60000013 ffffffff
7fe0  4c97cb3e c005b15c 00000000 c072af04 00000000 4051ef24 ffffffff fffffffe
8000  00000000 00000001 00000000 cf85d000 c0705b04 00000002 00000015 c0967ac0
8020  cf85d000 c06edac0 cf868038 cfb84a80 ce6ee800 cfb84a80 cf869fdc cf869f38
8040  c0529d24 00000000 00000000 00000000 00000000 00000000 00000000 00000000
8060  00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000

R10: 0xcf867f80:
7f80  60000013 ffffffff cf867fcc c072aa65 cf866000 c0012bc0 c095e930 00000000
7fa0  4c97cb3e 00000000 c072aa65 c06ffd50 c052ce6c cf866000 c072aa65 cf866000
7fc0  cf866000 c06ffcf0 00000000 cf867fe0 c00142a4 c00142a8 60000013 ffffffff
7fe0  4c97cb3e c005b15c 00000000 c072af04 00000000 4051ef24 ffffffff fffffffe
8000  00000000 00000001 00000000 cf85d000 c0705b04 00000002 00000015 c0967ac0
8020  cf85d000 c06edac0 cf868038 cfb84a80 ce6ee800 cfb84a80 cf869fdc cf869f38
8040  c0529d24 00000000 00000000 00000000 00000000 00000000 00000000 00000000
8060  00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
CPU: 2 PID: 0 Comm: swapper/2 Tainted: P           O 3.10.0_hi3536 #2
[] (unwind_backtrace+0x0/0xf4) from [] (show_stack+0x10/0x14)
[] (show_stack+0x10/0x14) from [] (handle_IPI+0xf8/0x1b0)
[] (handle_IPI+0xf8/0x1b0) from [] (gic_handle_irq+0x88/0x8c)
[] (gic_handle_irq+0x88/0x8c) from [] (__irq_svc+0x40/0x50)
Exception stack(0xcf869f98 to 0xcf869fe0)
9f80:                                                       c0966930 00000000
9fa0: 055a1b38 00000000 c072aa65 c06ffd50 c052ce6c cf868000 c072aa65 cf868000
9fc0: cf868000 c06ffcf0 00000000 cf869fe0 c00142a4 c00142a8 60000013 ffffffff
[] (__irq_svc+0x40/0x50) from [] (arch_cpu_idle+0x2c/0x30)
[] (arch_cpu_idle+0x2c/0x30) from [] (cpu_startup_entry+0xfc/0x140)
[] (cpu_startup_entry+0xfc/0x140) from [<4051ef24>] (0x4051ef24)
IPI backtrace for cpu 3