linux2.6.30.4+TQ2440移植DM9000后,ping命令时出现如下信息,不知咋回事??请大家指点!!

hzy0 发布于 2012/07/19 14:42
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[root@EmbedSky /]# ping 172.17.21.153
PING 172.17.21.153 (172.17.21.153): 56 data bytes
------------[ cut here ]------------
WARNING: at net/sched/sch_generic.c:226 dev_watchdog+0x260/0x280()
NETDEV WATCHDOG: eth0 (dm9000): transmit timed out
Modules linked in:
Backtrace: 
[<c00257d8>] (dump_backtrace+0x0/0x10c) from [<c0245088>] (dump_stack+0x18/0x1c)
 r7:c0301e08 r6:c01daf10 r5:c02e3b68 r4:000000e2
[<c0245070>] (dump_stack+0x0/0x1c) from [<c0033b2c>] (warn_slowpath_common+0x4c/0x80)
[<c0033ae0>] (warn_slowpath_common+0x0/0x80) from [<c0033bac>] (warn_slowpath_fmt+0x30/0x38)
 r7:00000000 r6:c3880800 r5:c034f3d0 r4:c0301e2c
[<c0033b7c>] (warn_slowpath_fmt+0x0/0x38) from [<c01daf10>] (dev_watchdog+0x260/0x280)
 r3:c3880800 r2:c02e3b80
 r4:c0308058
[<c01dacb0>] (dev_watchdog+0x0/0x280) from [<c003d984>] (run_timer_softirq+0x1ac/0x22c)
 r7:c01dacb0 r6:c0301ea8 r5:00000100 r4:c0345580
[<c003d7d8>] (run_timer_softirq+0x0/0x22c) from [<c0038c60>] (__do_softirq+0x78/0x100)
[<c0038be8>] (__do_softirq+0x0/0x100) from [<c0038d30>] (irq_exit+0x48/0x50)
[<c0038ce8>] (irq_exit+0x0/0x50) from [<c0021048>] (_text+0x48/0x70)
[<c0021000>] (_text+0x0/0x70) from [<c0021a64>] (__irq_svc+0x24/0xa0)
Exception stack(0xc0301f48 to 0xc0301f90)
1f40:                   f4100000 00000032 f4100000 60000013 c00228f8 c0300000 
1f60: c00228f8 c03244c4 3001c924 41129200 3001c8bc c0301f9c c0301fa0 c0301f90 
1f80: c0022f2c c0022958 60000013 ffffffff                                     
 r7:c03244c4 r6:00004000 r5:f4000000 r4:ffffffff
[<c00228f8>] (default_idle+0x0/0xac) from [<c0022f2c>] (cpu_idle+0x4c/0x68)
[<c0022ee0>] (cpu_idle+0x0/0x68) from [<c02436e0>] (rest_init+0x5c/0x70)
 r7:c0303c30 r6:c001dd34 r5:c0324480 r4:c0347d50
[<c0243684>] (rest_init+0x0/0x70) from [<c0008944>] (start_kernel+0x1e0/0x24c)
[<c0008764>] (start_kernel+0x0/0x24c) from [<30008034>] (0x30008034)
 r5:c0324568 r4:c0007175
---[ end trace a382629031ae89d6 ]---
64 bytes from 172.17.21.153: seq=0 ttl=64 time=2003.167 ms
64 bytes from 172.17.21.153: seq=1 ttl=64 time=1001.595 ms
64 bytes from 172.17.21.153: seq=2 ttl=64 time=0.968 ms
64 bytes from 172.17.21.153: seq=3 ttl=64 time=0.899 ms
64 bytes from 172.17.21.153: seq=4 ttl=64 time=0.905 ms
64 bytes from 172.17.21.153: seq=5 ttl=64 time=0.859 ms
64 bytes from 172.17.21.153: seq=6 ttl=64 time=0.901 ms
64 bytes from 172.17.21.153: seq=7 ttl=64 time=0.904 ms
64 bytes from 172.17.21.153: seq=8 ttl=64 time=0.904 ms
64 bytes from 172.17.21.153: seq=9 ttl=64 time=0.896 ms
64 bytes from 172.17.21.153: seq=10 ttl=64 time=0.918 ms
64 bytes from 172.17.21.153: seq=11 ttl=64 time=0.920 ms
64 bytes from 172.17.21.153: seq=12 ttl=64 time=0.916 ms
64 bytes from 172.17.21.153: seq=13 ttl=64 time=0.921 ms
^C
--- 172.17.21.153 ping statistics ---
14 packets transmitted, 14 packets received, 0% packet loss
round-trip min/avg/max = 0.859/215.405/2003.167 ms
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