这个怎么解决啊？？？ 求助！！！

Unable to handle kernel NULL pointer dereference at virtual address 00000000
pgd = c0004000
[00000000] *pgd=00000000
Internal error: Oops: 0 [#1]
Modules linked in:
CPU: 0    Not tainted  (2.6.30.4-EmbedSky #21)
PC is at 0x0
LR is at dev_hard_start_xmit+0x1c0/0x264
pc : [<00000000>]    lr : [<c02552d4>]    psr: 60000013
sp : c03c5e50  ip : c3876b00  fp : 00000000
r10: c39efea0  r9 : c39efea0  r8 : c3875ea8
r7 : c3875c00  r6 : c39efea0  r5 : c3a129c0  r4 : c3876b00
r3 : 00000000  r2 : c040e774  r1 : c3875c00  r0 : c3a129c0
Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment kernel
Control: c000717f  Table: 30004000  DAC: 00000017
Process swapper (pid: 0, stack limit = 0xc03c4268)
Stack: (0xc03c5e50 to 0xc03c6000)
5e40:                                     c3a129c0 c3875c00 c39efea0 c3876b00
5e60: 00000000 c39efea0 c3a129c0 c3875c00 c03c4000 c0262b50 c3876b00 ffff198d
5e80: 00000000 c3876b00 00000000 c3a129c0 c3875c00 6f0144c0 c03fa328 00000003
5ea0: c03fa128 c0255690 00000000 0601a8c0 c3a0fd80 c3875c00 6f0144c0 c028eb18
5ec0: 0601a8c0 00000000 c3875d34 00000000 00000010 c3876200 c3a12600 c3a0fd80
5ee0: c3a12540 ffff1a55 00000000 c03fa728 c03fa528 c025db4c c03f9920 00000100
5f00: c025d8c0 c03c4000 c03fa728 c0070064 c03c5f10 c03c5f10 00000000 c03c4000
5f20: 00000004 00000100 00000081 c03f9780 41129200 0000000a 00000000 c006bf00
5f40: 0000001e c03c4000 00000000 0000001e 00000000 00004000 c03c8510 30020e84
5f60: 30020db4 c0047050 ffffffff f4000000 00004000 c0047964 c03cc600 00000032
5f80: f4100000 60000013 c0048d80 c03c4000 c0022ee8 c03c8510 30020e84 41129200
5fa0: 30020db4 00000000 c03c7728 c03c5fc0 c0048dd8 c0048de4 60000013 ffffffff
5fc0: c0048d80 c00492e4 c03fc12c c03e8760 c0022ee8 c0008a50 c00085c4 00000000
5fe0: 00000000 c0022eec 00000000 c0007175 c03e8854 30008034 00000000 00000000
Code: bad PC value.
Kernel panic - not syncing: Fatal exception in interrupt
[<c004d718>] (unwind_backtrace+0x0/0xdc) from [<c02c2974>] (panic+0x40/0x110)
[<c02c2974>] (panic+0x40/0x110) from [<c004bccc>] (die+0x13c/0x168)
[<c004bccc>] (die+0x13c/0x168) from [<c004e874>] (__do_kernel_fault+0x64/0x74)
[<c004e874>] (__do_kernel_fault+0x64/0x74) from [<c004ea80>] (do_page_fault+0x1fc/0x218)
[<c004ea80>] (do_page_fault+0x1fc/0x218) from [<c0047a80>] (__pabt_svc+0x40/0x80)
[<c0047a80>] (__pabt_svc+0x40/0x80) from [<c02552d4>] (dev_hard_start_xmit+0x1c0/0x264)
[<c02552d4>] (dev_hard_start_xmit+0x1c0/0x264) from [<c0262b50>] (__qdisc_run+0xe0/0x208)
[<c0262b50>] (__qdisc_run+0xe0/0x208) from [<c0255690>] (dev_queue_xmit+0x1d4/0x2d4)
[<c0255690>] (dev_queue_xmit+0x1d4/0x2d4) from [<c028eb18>] (arp_solicit+0x188/0x1a4)
[<c028eb18>] (arp_solicit+0x188/0x1a4) from [<c025db4c>] (neigh_timer_handler+0x28c/0x2f4)
[<c025db4c>] (neigh_timer_handler+0x28c/0x2f4) from [<c0070064>] (run_timer_softirq+0x154/0x1e8)
[<c0070064>] (run_timer_softirq+0x154/0x1e8) from [<c006bf00>] (__do_softirq+0x60/0xe8)
[<c006bf00>] (__do_softirq+0x60/0xe8) from [<c0047050>] (_text+0x50/0x64)
[<c0047050>] (_text+0x50/0x64) from [<c0047964>] (__irq_svc+0x24/0xa0)
Exception stack(0xc03c5f78 to 0xc03c5fc0)
5f60:                                                       c03cc600 00000032
5f80: f4100000 60000013 c0048d80 c03c4000 c0022ee8 c03c8510 30020e84 41129200
5fa0: 30020db4 00000000 c03c7728 c03c5fc0 c0048dd8 c0048de4 60000013 ffffffff
[<c0047964>] (__irq_svc+0x24/0xa0) from [<c0048dd8>] (default_idle+0x58/0x6c)
[<c0048dd8>] (default_idle+0x58/0x6c) from [<c00492e4>] (cpu_idle+0x3c/0x58)
[<c00492e4>] (cpu_idle+0x3c/0x58) from [<c0008a50>] (start_kernel+0x234/0x284)
[<c0008a50>] (start_kernel+0x234/0x284) from [<30008034>] (0x30008034)

如果是我们提供的驱动讲下你是怎么弄的。如果是你自己的驱动，那可能还得自己加些调试信息看下。

TQ-ZQL 发表于 2014-4-24 09:06
如果是我们提供的驱动讲下你是怎么弄的。如果是你自己的驱动，那可能还得自己加些调试信息看下。

是根据手册操作的，开始没有问题，因为触摸屏没反映，自己调试了两天出的这个问题。开发板上出现这个问题，应该是主机的内核问题吧。

TQ-ZQL 发表于 2014-4-24 09:06
如果是我们提供的驱动讲下你是怎么弄的。如果是你自己的驱动，那可能还得自己加些调试信息看下。

是根据手册操作的，开始没有问题，因为触摸屏没反映，自己调试了两天出的这个问题。开发板上出现这个问题，应该是主机的内核问题吧。