| 发表于：2008-01-22 18:00:14 楼主 |
linux出现oops提示:
unable to handle kernel null pointer dereference at virtual address 00000000
pgd = c1a58000
[00000000] *pgd=818f3031, *pte=00000000, *ppte=00000000
internal error: oops: 17 [#1]
cpu: 0
pc is at .c2u_0fupi+0xc/0x50
lr is at device_iocmd+0x14c/0x11c8
pc : [ <c011a108> ] lr : [ <c011c5a4> ] not tainted
sp : c1b93e54 ip : 00000000 fp : c1b93f3c
r10: 404a7008 r9 : c1b92000 r8 : c1b93f04
r7 : c05de348 r6 : c05de7dc r5 : c1b92000 r4 : bcbf6780
r3 : 000c6000 r2 : 00000028 r1 : 00000000 r0 : bcbf6790
flags: nzcv irqs on fiqs on mode svc_32 segment user
control: 5317f table: 81a58000 dac: 00000015
process vspserver （pid: 773, stack limit = 0xc1b92198)
stack: （0xc1b93e54 to 0xc1b94000)
3e40: 0000002c bcbf6780 c1b92000
3e60: c05de7dc c05de348 c011c5a4 c1b93ecc c1b93ea4 c1b93e80 c0021760 c002b1c4
3e80: c05d2518 00000022 c1b93ef8 00000001 00000000 c05d2518 c1b93ec0 c1b93ea8
3ea0: c0021bd0 c002b510 c1b93f2c c1b92000 c1b93f2c c1b93ef4 c1b93ec4 c0021d10
3ec0: c0020458 c1b93f48 c1b92000 c1b93f2c e1048000 ffffffff 00000001 c1b92000
3ee0: 00000000 404a7008 c1b93f5c c1b93ef8 c00205b4 c0021bf4 c1b4c720 00002006
3f00: bcbf6780 0000002c bcbf6790 000c6000 404a7054 c1b4c720 ffffffe7 00002006
3f20: bcbf6780 c0020b24 c1b92000 404a7008 c1b93f5c c1b93f40 c007c298 c011c468
3f40: c1b4c720 bcbf6780 00000017 00000000 c1b93f84 c1b93f60 c007c5a4 c007c22c
3f60: 00000000 c1b93f84 c1b4c720 fffffff7 00002006 00000036 c1b93fa4 c1b93f88
3f80: c007c604 c007c2bc 00000001 404c804c 404c705c 00020000 00000000 c1b93fa8
3fa0: c00209a0 c007c5d4 404c804c c0021bf4 00000017 00002006 bcbf6780 bcbf6790
3fc0: 404c804c 404c705c 00020000 0001aaa8 00000003 404a7054 404a7008 bcbf6808
3fe0: 4016c788 bcbf6748 400c12b0 40228394 20000010 00000017 e0020099 e59d1008
backtrace:
[ <c011c458> ] （device_iocmd+0x0/0x11c8) from [ <c007c298> ] （do_ioctl+0x7c/0x90)
[ <c007c21c> ] （do_ioctl+0x0/0x90) from [ <c007c5a4> ] （vfs_ioctl+0x2f8/0x318)
r7 = 00000000 r6 = 00000017 r5 = bcbf6780 r4 = c1b4c720
[ <c007c2ac> ] （vfs_ioctl+0x0/0x318) from [ <c007c604> ] （sys_ioctl+0x40/0x60)
r7 = 00000036 r6 = 00002006 r5 = fffffff7 r4 = c1b4c720
[ <c007c5c4> ] （sys_ioctl+0x0/0x60) from [ <c00209a0> ] （ret_fast_syscall+0x0/0x2c)
r6 = 00020000 r5 = 404c705c r4 = 404c804c
code: 1a000037 e2522004 4282c004 4a000026 （e4913004)
不知道怎么分析,打印出来的那几个项都是什么东西? |
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