CB2 miniUSB连上PC死机，新手求助高手们！！

chunychj

1：固件是自己编译的android固件，源码官方网盘上的。
2：可以正常开机启动，进入android桌面。
3：但是，只要板子连上PC，PC可以识别到板子连接上了，但是接着就死机了。
     开机启动的时候也一样，只要连上PC，开机界面就不闪了，卡死在那。
4：不连PC，感觉都正常。

5：连上PC后串口日志信息：
PC: 0xc0064358:
4358  e1580004 0a00000e eb14dabe e1a01006 e1a05000 e1a00008 ebfffa14 e3500000
4378  0a000004 e590300c e5933004 e1530007 01a04008 0a000009 e1a00008 e1a01005
4398  eb14d97b e1a00004 ea000002 e3a00002 ebfff9b1 e1a04000 eb14daaa e1a05000
43b8  e5940010 e1a01007 ebfffcf6 e5962004 e2863004 e1a0a000 e1520003 0a000000
43d8  e7f001f2 e5907008 e2873004 e7902103 e1a07207 e2822001 e7802103 e590304c
43f8  e5902050 e1530002 a3877002 a2808054 aa000017 e2833001 e580304c e5903004
4418  e5933000 e3130010 11a0b004 02848008 15bb9008 0a00000e ea000006 e1a00009
4438  ebfff9a5 e5903004 e5933000 e3130010 0a000004 e5999004 e2499004 e2898004

LR: 0xc0064344:
4344  0a000014 e1a00006 ebffff23 e2508000 0a000010 e1580004 0a00000e eb14dabe
4364  e1a01006 e1a05000 e1a00008 ebfffa14 e3500000 0a000004 e590300c e5933004
4384  e1530007 01a04008 0a000009 e1a00008 e1a01005 eb14d97b e1a00004 ea000002
43a4  e3a00002 ebfff9b1 e1a04000 eb14daaa e1a05000 e5940010 e1a01007 ebfffcf6
43c4  e5962004 e2863004 e1a0a000 e1520003 0a000000 e7f001f2 e5907008 e2873004
43e4  e7902103 e1a07207 e2822001 e7802103 e590304c e5902050 e1530002 a3877002
4404  a2808054 aa000017 e2833001 e580304c e5903004 e5933000 e3130010 11a0b004
4424  02848008 15bb9008 0a00000e ea000006 e1a00009 ebfff9a5 e5903004 e5933000

SP: 0xedaa5e18:
5e18  c00fb7a8 00000000 ef3b3140 00000000 00000000 00000000 c07f3640 00000046
5e38  00000020 c00643dc 00000093 c000d814 00000000 c000d5ac d1d0bf00 ef02cd40
5e58  00000000 c0822fec d1d08440 20000093 c0822fe8 ef02cd40 ed9496c0 00000000
5e78  d1d0bf00 00029464 00000000 edaa5e98 c00643c4 c00643d8 00000093 ffffffff
5e98  00000000 ef02cd40 c0822fe8 ef02cd40 00000000 c0822fe8 60000013 ed9496c0
5eb8  00000000 c0822a4c 00029464 c0064504 c0822fe8 ef02cd40 c0822958 c00645bc
5ed8  c07fe21c ed9496c0 c0822a4c c039bbb0 c0822a64 ed9496c8 c0822958 c039bfac
5ef8  ee9eba80 ed9496c8 00001000 edaa4000 014d96cc ee9ebaec 00001000 c03928c8

R0: 0xd1d0be80:
be80  00000000 00000000 00000000 00000003 00000002 d1d0be94 d1d0be94 00000000
bea0  00000002 00000000 00000003 00000000 d1d0beb0 d1d0beb0 00000000 00000000
bec0  00000000 0000008c 00000000 d1d0becc d1d0becc 00000000 00000000 0000001b
bee0  00000000 d1d0bee4 d1d0bee4 00000000 00000000 00000000 00000000 00000000
bf00  d1d08440 ef02cd40 00000000 ffffffff 00000001 00000000 00000000 00000000
bf20  00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
bf40  00000000 00000000 00000000 00000001 00000100 d1d0bf54 d1d0bf54 00000000
bf60  00000000 00000000 00000000 00000000 00000005 00000000 00000000 00000000

R1: 0xef02ccc0:
ccc0  00000000 c07ef000 ef02cd48 ef02cc48 00000001 00000000 00000000 ef02ccdc
cce0  ef02ccdc 00000000 00000000 00000000 00000000 00000000 ef02ccf8 ef02ccf8
cd00  ef02cd00 ef02cd00 00000000 00000000 00000000 00000100 6e657665 6c5f7374
cd20  00676e6f 00000000 00000000 00000000 00000000 00000000 00000000 00000000
cd40  00000000 c07eef00 c0809938 ef02ccc8 00000001 00000000 00000000 ef02cd5c
cd60  ef02cd5c 00000000 00000000 00000000 00000000 00000000 ef02cd78 ef02cd78
cd80  ef02cd80 ef02cd80 00000000 00000000 00000000 00000100 6e657665 00007374
cda0  00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000

R3: 0xc0822f6c:
2f6c  00000000 755f7773 755f6273 645f6364 345f616d 00000000 00000000 00000000
2f8c  00000000 c085caf4 00000000 755f7773 755f6273 645f6364 355f616d 00000000
2fac  00000000 00000000 00000000 c085cb54 00000000 00000000 00000046 00000000
2fcc  00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000001
2fec  00000000 00000000 00000000 c0702e68 00000124 c00675b0 00000000 00000000
300c  00000000 00000000 c071c450 c071c8d9 00000000 c0720247 00000000 00000000
302c  00000000 c08230a0 c08230f0 c039e53c c039f374 c039e5c8 c039e63c c039e5c0
304c  00000000 00000000 c0600ef0 00000000 ef0f91c0 c0823060 c0823060 00000000

R4: 0xd1d083c0:
83c0  00000000 00000000 ef0353c0 00000000 d1d083cc 00000000 d1d083d4 d1d083dc
83e0  d1d083dc d1d083e4 d1d083e4 d1d083ec d1d083ec d1d083f4 d1d083f4 d1d083fc
8400  d1d083fc d1d08404 d1d08404 d1d0840c d1d0840c d1d08414 d1d08414 d1d0841c
8420  d1d0841c d1d08424 d1d08424 c086e640 00000000 00000000 00000000 00000000
8440  00000001 00000000 eda610cc eda610cc 00000000 00000000 00000003 00000003
8460  ef009800 ef34f440 00000000 00000000 00000000 00000000 00000000 00000000
8480  00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
84a0  00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000

R6: 0xc0822f68:
2f68  c085ca94 00000000 755f7773 755f6273 645f6364 345f616d 00000000 00000000
2f88  00000000 00000000 c085caf4 00000000 755f7773 755f6273 645f6364 355f616d
2fa8  00000000 00000000 00000000 00000000 c085cb54 00000000 00000000 00000046
2fc8  00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
2fe8  00000001 00000000 00000000 00000000 c0702e68 00000124 c00675b0 00000000
3008  00000000 00000000 00000000 c071c450 c071c8d9 00000000 c0720247 00000000
3028  00000000 00000000 c08230a0 c08230f0 c039e53c c039f374 c039e5c8 c039e63c
3048  c039e5c0 00000000 00000000 c0600ef0 00000000 ef0f91c0 c0823060 c0823060

R7: 0xef02ccc0:
ccc0  00000000 c07ef000 ef02cd48 ef02cc48 00000001 00000000 00000000 ef02ccdc
cce0  ef02ccdc 00000000 00000000 00000000 00000000 00000000 ef02ccf8 ef02ccf8
cd00  ef02cd00 ef02cd00 00000000 00000000 00000000 00000100 6e657665 6c5f7374
cd20  00676e6f 00000000 00000000 00000000 00000000 00000000 00000000 00000000
cd40  00000000 c07eef00 c0809938 ef02ccc8 00000001 00000000 00000000 ef02cd5c
cd60  ef02cd5c 00000000 00000000 00000000 00000000 00000000 ef02cd78 ef02cd78
cd80  ef02cd80 ef02cd80 00000000 00000000 00000000 00000100 6e657665 00007374
cda0  00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000

R8: 0xed949640:
9640  ed949640 ed949640 edab5000 00000018 ffffffff 00000000 00000000 00000000
9660  00000000 00000000 c03924cc 00000000 ed9495f0 ee9ebaf4 00000000 00000018
9680  00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
96a0  00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
96c0  c0822a4c c0822a4c edab4000 00001000 ffffffff 00000000 00000000 00000000
96e0  00000000 00000000 c03924cc 00000000 00100100 00200200 ffffff8d 00000000
9700  00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
9720  00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000

R10: 0xd1d0be80:
be80  00000000 00000000 00000000 00000003 00000002 d1d0be94 d1d0be94 00000000
bea0  00000002 00000000 00000003 00000000 d1d0beb0 d1d0beb0 00000000 00000000
bec0  00000000 0000008c 00000000 d1d0becc d1d0becc 00000000 00000000 0000001b
bee0  00000000 d1d0bee4 d1d0bee4 00000000 00000000 00000000 00000000 00000000
bf00  d1d08440 ef02cd40 00000000 ffffffff 00000001 00000000 00000000 00000000
bf20  00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
bf40  00000000 00000000 00000000 00000001 00000100 d1d0bf54 d1d0bf54 00000000
bf60  00000000 00000000 00000000 00000000 00000005 00000000 00000000 00000000
Process adbd (pid: 1243, stack limit = 0xedaa42f8)
Stack: (0xedaa5e98 to 0xedaa6000)
5e80:                                                       00000000 ef02cd40
5ea0: c0822fe8 ef02cd40 00000000 c0822fe8 60000013 ed9496c0 00000000 c0822a4c
5ec0: 00029464 c0064504 c0822fe8 ef02cd40 c0822958 c00645bc c07fe21c ed9496c0
5ee0: c0822a4c c039bbb0 c0822a64 ed9496c8 c0822958 c039bfac ee9eba80 ed9496c8
5f00: 00001000 edaa4000 014d96cc ee9ebaec 00001000 c03928c8 00001000 edaa5f30
5f20: 00000001 00000000 c07f2e00 00000000 00000000 00000000 00000001 00001000
5f40: eeb03980 014d96cc edaa5f80 00001000 edaa4000 00000000 00029464 c00cb90c
5f60: eeb03980 014d96cc eeb03980 014d96cc 00000000 00000000 00001000 c00cbb4c
5f80: 00000000 00000000 00001000 00000001 0002fff4 00001000 000371fc 00000004
5fa0: c000daa8 c000d900 0002fff4 00001000 0000000c 014d96cc 00001000 00000000
5fc0: 0002fff4 00001000 000371fc 00000004 014d96cc 00100000 014d8540 00029464
5fe0: 00000031 40288e50 00013a15 00016038 40000010 0000000c 00000000 00000000
[<c00643d8>] (__queue_work+0x21c/0x2f0) from [<c0064504>] (queue_work_on+0x34/0x44)
[<c0064504>] (queue_work_on+0x34/0x44) from [<c00645bc>] (queue_work+0x24/0x54)
[<c00645bc>] (queue_work+0x24/0x54) from [<c039bbb0>] (sw_udc_write_fifo+0x34/0xb0)
[<c039bbb0>] (sw_udc_write_fifo+0x34/0xb0) from [<c039bfac>] (sw_udc_queue+0x380/0x40c)
[<c039bfac>] (sw_udc_queue+0x380/0x40c) from [<c03928c8>] (adb_write+0x1c8/0x248)
[<c03928c8>] (adb_write+0x1c8/0x248) from [<c00cb90c>] (vfs_write+0xb0/0x128)
[<c00cb90c>] (vfs_write+0xb0/0x128) from [<c00cbb4c>] (sys_write+0x3c/0x68)
[<c00cbb4c>] (sys_write+0x3c/0x68) from [<c000d900>] (ret_fast_syscall+0x0/0x30)
Code: e2863004 e1a0a000 e1520003 0a000000 (e7f001f2)



fence error -62 on [edb72bc0]
fence error -62 on [edb72bc0]
fence error -62 on [edb725c0]
fence error -62 on [edb725c0]
INFO: rcu_preempt detected stalls on CPUs/tasks: { 0} (detected by 1, t=42012 jiffies)
INFO: Stall ended before state dump start
fence error -62 on [edb72740]
fence error -62 on [edb72740]
fence error -62 on [edb6be40]


希望高手们都来看看，帮助我解决，谢谢啦！！