MPC8309平台网络看门狗超时
时间：10-02
整理：3721RD
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硬件平台：mpc8309twr
网口：2个100M以太网接口
说明：在用网络分析仪进行灌包时，期间出现插拔网线的操作，出现过2次下面的情况，导致网口挂起，系统内核崩溃，无法继续，只好重启设备。
关键词：NETDEV WATCHDOG: eth0 (ucc_geth): transmit queue 0 timed out
PING 192.168.2.88 (192.168.2.88): 56 data bytes
skb_over_panic: text:c019f688 len:60 put:60 head:c4ef2800 data:c4ef2840 tail:0xc4efab7c end:0xc4ef2e60 dev:eth1
Oops: Exception in kernel mode, sig: 5 [#1]
PREEMPT MPC8309 TWR
Modules linked in: restore_gpio_driver spidev gpcm
NIP: c01bb824 LR: c01bb824 CTR: c016d880
REGS: c603fde0 TRAP: 0700 Not tainted (2.6.33.7.2-rt30)
MSR: 00029032 <EE,ME,CE,IR,DR> CR: 24008022 XER: 20000000
TASK = c602a490[6] 'sirq-net-rx/0' THREAD: c603e000
GPR00: c01bb824 c603fe90 c602a490 00000076 00001fd3 ffffffff c016af70 00004000
GPR08: c602a490 c02d46f4 00001fd3 c02d4748 24008082 94020057 c0240000 c031890c
GPR16: 00000000 00000000 00000001 00000040 00000000 c65deb40 00000000 c65dedf4
GPR24: c65deb40 c65de800 c65deb40 c65dedd0 1c000040 0000003c c4efab40 c603fea0
NIP [c01bb824] skb_over_panic+0x48/0x5c
LR [c01bb824] skb_over_panic+0x48/0x5c
Call Trace:
[c603fe90] [c01bb824] skb_over_panic+0x48/0x5c (unreliable)
[c603fea0] [c01bd244] skb_put+0x68/0x6c
[c603feb0] [c019f688] ucc_geth_poll+0x42c/0x4a0
[c603ff20] [c01c9714] net_rx_action+0xdc/0x1a4
[c603ff50] [c00299c8] run_ksoftirqd+0x138/0x264
[c603ffa0] [c003adc4] kthread+0x78/0x7c
[c603fff0] [c0011330] kernel_thread+0x4c/0x68
Instruction dump:
80a3004c 2f800000 80e3008c 81030090 81630084 81430088 419e0020 3c60c029
7d695b78 90010008 3863c928 4be68a9d <0fe00000> 48000000 3d20c027 3809ca34
---[ end trace a0f34b3d3c9d8aa0 ]---
NETDEV WATCHDOG: eth0 (ucc_geth): transmit queue 0 timed out
------------[ cut here ]------------
Badness at net/sched/sch_generic.c:259
NIP: c01d91f8 LR: c01d91f8 CTR: c016d880
REGS: c603bdf0 TRAP: 0700 Tainted: G D (2.6.33.7.2-rt30)
MSR: 00029032 <EE,ME,CE,IR,DR> CR: 24002022 XER: 20000000
TASK = c602ad30[4] 'sirq-timer/0' THREAD: c603a000
GPR00: c01d91f8 c603bea0 c602ad30 00000043 000025e1 ffffffff c016af70 00004000
GPR08: c602ad30 c02d46f4 000025e1 c02d4748 24002082 94020057 00000000 00000000
GPR16: 5003b007 00000000 00000000 00000000 00000000 c0307be8 c030689c c0270000
GPR24: c65291d8 ffffffff 00000001 c6529210 c0300000 c02d0000 c6529000 00000000
NIP [c01d91f8] dev_watchdog+0x2bc/0x2cc
LR [c01d91f8] dev_watchdog+0x2bc/0x2cc
Call Trace:
[c603bea0] [c01d91f8] dev_watchdog+0x2bc/0x2cc (unreliable)
[c603bf10] [c002e6bc] run_timer_softirq+0x1f4/0x244
[c603bf50] [c00299c8] run_ksoftirqd+0x138/0x264
[c603bfa0] [c003adc4] kthread+0x78/0x7c
[c603bff0] [c0011330] kernel_thread+0x4c/0x68
Instruction dump:
7c0903a6 4bfffe40 38810008 7fc3f378 38a00040 4bfeb961 7fe6fb78 7fc4f378
7c651b78 3c60c029 3863db68 4be4b0c9 <0fe00000> 38000001 981ce814 4bffff8c
网口：2个100M以太网接口
说明：在用网络分析仪进行灌包时，期间出现插拔网线的操作，出现过2次下面的情况，导致网口挂起，系统内核崩溃，无法继续，只好重启设备。
关键词：NETDEV WATCHDOG: eth0 (ucc_geth): transmit queue 0 timed out
PING 192.168.2.88 (192.168.2.88): 56 data bytes
skb_over_panic: text:c019f688 len:60 put:60 head:c4ef2800 data:c4ef2840 tail:0xc4efab7c end:0xc4ef2e60 dev:eth1
Oops: Exception in kernel mode, sig: 5 [#1]
PREEMPT MPC8309 TWR
Modules linked in: restore_gpio_driver spidev gpcm
NIP: c01bb824 LR: c01bb824 CTR: c016d880
REGS: c603fde0 TRAP: 0700 Not tainted (2.6.33.7.2-rt30)
MSR: 00029032 <EE,ME,CE,IR,DR> CR: 24008022 XER: 20000000
TASK = c602a490[6] 'sirq-net-rx/0' THREAD: c603e000
GPR00: c01bb824 c603fe90 c602a490 00000076 00001fd3 ffffffff c016af70 00004000
GPR08: c602a490 c02d46f4 00001fd3 c02d4748 24008082 94020057 c0240000 c031890c
GPR16: 00000000 00000000 00000001 00000040 00000000 c65deb40 00000000 c65dedf4
GPR24: c65deb40 c65de800 c65deb40 c65dedd0 1c000040 0000003c c4efab40 c603fea0
NIP [c01bb824] skb_over_panic+0x48/0x5c
LR [c01bb824] skb_over_panic+0x48/0x5c
Call Trace:
[c603fe90] [c01bb824] skb_over_panic+0x48/0x5c (unreliable)
[c603fea0] [c01bd244] skb_put+0x68/0x6c
[c603feb0] [c019f688] ucc_geth_poll+0x42c/0x4a0
[c603ff20] [c01c9714] net_rx_action+0xdc/0x1a4
[c603ff50] [c00299c8] run_ksoftirqd+0x138/0x264
[c603ffa0] [c003adc4] kthread+0x78/0x7c
[c603fff0] [c0011330] kernel_thread+0x4c/0x68
Instruction dump:
80a3004c 2f800000 80e3008c 81030090 81630084 81430088 419e0020 3c60c029
7d695b78 90010008 3863c928 4be68a9d <0fe00000> 48000000 3d20c027 3809ca34
---[ end trace a0f34b3d3c9d8aa0 ]---
NETDEV WATCHDOG: eth0 (ucc_geth): transmit queue 0 timed out
------------[ cut here ]------------
Badness at net/sched/sch_generic.c:259
NIP: c01d91f8 LR: c01d91f8 CTR: c016d880
REGS: c603bdf0 TRAP: 0700 Tainted: G D (2.6.33.7.2-rt30)
MSR: 00029032 <EE,ME,CE,IR,DR> CR: 24002022 XER: 20000000
TASK = c602ad30[4] 'sirq-timer/0' THREAD: c603a000
GPR00: c01d91f8 c603bea0 c602ad30 00000043 000025e1 ffffffff c016af70 00004000
GPR08: c602ad30 c02d46f4 000025e1 c02d4748 24002082 94020057 00000000 00000000
GPR16: 5003b007 00000000 00000000 00000000 00000000 c0307be8 c030689c c0270000
GPR24: c65291d8 ffffffff 00000001 c6529210 c0300000 c02d0000 c6529000 00000000
NIP [c01d91f8] dev_watchdog+0x2bc/0x2cc
LR [c01d91f8] dev_watchdog+0x2bc/0x2cc
Call Trace:
[c603bea0] [c01d91f8] dev_watchdog+0x2bc/0x2cc (unreliable)
[c603bf10] [c002e6bc] run_timer_softirq+0x1f4/0x244
[c603bf50] [c00299c8] run_ksoftirqd+0x138/0x264
[c603bfa0] [c003adc4] kthread+0x78/0x7c
[c603bff0] [c0011330] kernel_thread+0x4c/0x68
Instruction dump:
7c0903a6 4bfffe40 38810008 7fc3f378 38a00040 4bfeb961 7fe6fb78 7fc4f378
7c651b78 3c60c029 3863db68 4be4b0c9 <0fe00000> 38000001 981ce814 4bffff8c