采用的官方的Uboot和内核，使用的ramfs，
启动后ifconfig配一个ip地址
ping一个固定ip，过一段时间后就内核崩溃了。
这是101版本的
使用107版本和108+版本内核均是同样现象
这是什么原因
64 bytes from 192.168.0.104: seq=16956 ttl=128 time=0.575 ms
Unable to handle kernel paging request at virtual address 4e207373
pgd = c2ce8000
[4e207373] *pgd=00000000
Internal error: Oops: 1 [#1] PREEMPT ARM
Modules linked in:
CPU: 0 PID: 0 Comm: swapper Not tainted 3.10.101+ #450
task: c0681a60 ti: c0678000 task.ti: c0678000
PC is at put_page+0xc/0x4c
LR is at skb_release_data+0x74/0xf0
pc : [<c008b5e8>] lr : [<c01eb0a4>] psr: 20000013
sp : c0679cf0 ip : c0679d00 fp : c0679cfc
r10: 0000a888 r9 : c2ccb300 r8 : c0680434
r7 : c380b000 r6 : c2ccb300 r5 : c2ccb300 r4 : 00000000
r3 : c2cb2f60 r2 : 00000061 r1 : c075f700 r0 : 4e207373
Flags: nzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment kernel
Control: 0005317f Table: 02ce8000 DAC: 00000017
Process swapper (pid: 0, stack limit = 0xc06781b8)
Stack: (0xc0679cf0 to 0xc067a000)
9ce0: c0679d1c c0679d00 c01eb0a4 c008b5ec
9d00: c2cb2940 c2ccb300 00000000 c2ccb300 c0679d34 c0679d20 c01eb148 c01eb040
9d20: 00000001 c2ccb300 c0679d4c c0679d38 c01eb194 c01eb130 00000000 c2cb296e
9d40: c0679d74 c0679d50 c021ab4c c01eb17c c0679da4 c0679d60 c0680420 00000008
9d60: c380b000 00000000 c0679dcc c0679d78 c01f6c3c c021aa8c 000037fe 1fe6b100
9d80: 00002771 00000000 00000004 c0682e80 00000000 c2ccb300 000006e0 c0680434
9da0: 000006e0 c2ccb300 c380b000 c2ccb300 c484b1c0 c2cb9d80 c380b220 0000017c
9dc0: c0679de4 c0679dd0 c01f83c4 c01f6ad0 c2ccb300 c380b000 c0679e04 c0679de8
9de0: c01f8448 c01f83a8 c380b42c c380b000 c2ccb300 c380b42c c0679e44 c0679e08
9e00: c01b7068 c01f8428 00000000 7fffffff 00000010 00000000 c0679e7c c01b6fc8
9e20: c380b42c 00000010 0000012c c06ab4e0 c0685150 c06ab4e0 c0679e7c c0679e48
9e40: c01f86f8 c01b6fd8 c06ab4e8 0041b6fb 00000000 00000001 0000000c c06cced0
9e60: c06ccec0 c0678000 00000101 00000003 c0679ecc c0679e80 c0024a00 c01f864c
9e80: c0042acc c0009dcc ffffffff 0000000c 00200000 0041b6fa c0678000 0000000a
9ea0: c06ab5a6 60000093 00000013 00000000 c0679f64 c06ab5a6 c06ab5a6 00356b68
9ec0: c0679ee4 c0679ed0 c0024be4 c0024934 00000008 c069ec74 c0679efc c0679ee8
9ee0: c0024e54 c0024ba0 00000000 c069ec74 c0679f1c c0679f00 c000fc04 c0024e08
9f00: c000fdc8 c000fdc0 60000013 f0000000 c0679f2c c0679f20 c0008410 c000fbd8
9f20: c0679f84 c0679f30 c000e910 c0008410 00000000 0005317f 0005217f 60000013
9f40: c0678000 c0678000 c0680078 c0678000 c06ab5a6 c06ab5a6 00356b68 c0679f84
9f60: 600000d3 c0679f78 c000fdc8 c000fdc0 60000013 ffffffff c0679f9c c0679f88
9f80: c004d964 c000fda4 c0293d8c c0680000 c0679fb4 c0679fa0 c028c024 c004d8b8
9fa0: 00000000 c06800e0 c0679ff4 c0679fb8 c033ba64 c028bfbc ffffffff ffffffff
9fc0: c033b53c 00000000 00000000 c0357b58 00000000 00053175 c0680020 c0357b54
9fe0: c06824b4 00004000 00000000 c0679ff8 00008040 c033b7b4 00000000 00000000
Backtrace:
[<c008b5dc>] (put_page+0x0/0x4c) from [<c01eb0a4>] (skb_release_data+0x74/0xf0)
[<c01eb030>] (skb_release_data+0x0/0xf0) from [<c01eb148>] (skb_release_all+0x28/0x2c)
r6:c2ccb300 r5:00000000 r4:c2ccb300 r3:c2cb2940
[<c01eb120>] (skb_release_all+0x0/0x2c) from [<c01eb194>] (kfree_skb+0x28/0x5c)
r4:c2ccb300 r3:00000001
[<c01eb16c>] (kfree_skb+0x0/0x5c) from [<c021ab4c>] (ip_rcv+0xd0/0x544)
r4:c2cb296e r3:00000000
[<c021aa7c>] (ip_rcv+0x0/0x544) from [<c01f6c3c>] (__netif_receive_skb_core+0x17c/0x5a0)
r7:00000000 r6:c380b000 r5:00000008 r4:c0680420
[<c01f6ac0>] (__netif_receive_skb_core+0x0/0x5a0) from [<c01f83c4>] (__netif_receive_skb+0x2c/0x80)
[<c01f8398>] (__netif_receive_skb+0x0/0x80) from [<c01f8448>] (netif_receive_skb+0x30/0x74)
r5:c380b000 r4:c2ccb300
[<c01f8418>] (netif_receive_skb+0x0/0x74) from [<c01b7068>] (nuc970_poll+0xa0/0x2a8)
r4:c380b42c
[<c01b6fc8>] (nuc970_poll+0x0/0x2a8) from [<c01f86f8>] (net_rx_action+0xbc/0x1e8)
[<c01f863c>] (net_rx_action+0x0/0x1e8) from [<c0024a00>] (__do_softirq+0xdc/0x1d8)
[<c0024924>] (__do_softirq+0x0/0x1d8) from [<c0024be4>] (do_softirq+0x54/0x60)
[<c0024b90>] (do_softirq+0x0/0x60) from [<c0024e54>] (irq_exit+0x5c/0x9c)
r4:c069ec74 r3:00000008
[<c0024df8>] (irq_exit+0x0/0x9c) from [<c000fc04>] (handle_IRQ+0x3c/0x8c)
r4:c069ec74 r3:00000000
[<c000fbc8>] (handle_IRQ+0x0/0x8c) from [<c0008410>] (asm_do_IRQ+0x10/0x14)
r6:f0000000 r5:60000013 r4:c000fdc0 r3:c000fdc8
[<c0008400>] (asm_do_IRQ+0x0/0x14) from [<c000e910>] (__irq_svc+0x30/0x74)
Exception stack(0xc0679f30 to 0xc0679f78)
9f20: 00000000 0005317f 0005217f 60000013
9f40: c0678000 c0678000 c0680078 c0678000 c06ab5a6 c06ab5a6 00356b68 c0679f84
9f60: 600000d3 c0679f78 c000fdc8 c000fdc0 60000013 ffffffff
[<c000fd94>] (arch_cpu_idle+0x0/0x3c) from [<c004d964>] (cpu_startup_entry+0xbc/0x108)
[<c004d8a8>] (cpu_startup_entry+0x0/0x108) from [<c028c024>] (rest_init+0x78/0x90)
r7:c0680000 r3:c0293d8c
[<c028bfac>] (rest_init+0x0/0x90) from [<c033ba64>] (start_kernel+0x2c0/0x31c)
r4:c06800e0 r3:00000000
[<c033b7a4>] (start_kernel+0x0/0x31c) from [<00008040>] (0x8040)
Code: eaffffc6 e1a0c00d e92dd800 e24cb004 (e5902000)
---[ end trace 2aa161dd52b58536 ]---
Kernel panic - not syncing: Fatal exception in interrupt |
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