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Author Topic: Weird Kernel modprobe issues  (Read 1944 times)
hank
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« on: October 20, 2009, 04:55:00 PM »

So, I have a kernel compiled and it seems to be working except for issues loading modules:

Code:
Unable to handle kernel paging request at virtual address ffffffb8
pgd = df3f0000
[ffffffb8] *pgd=00a6e031, *pte=00000000, *ppte=00000000
Internal error: Oops: 17 [#1] PREEMPT
Modules linked in: zd1211rw(+)
CPU: 0    Not tainted  (2.6.31.4 #2)
PC is at probe+0x1c8/0x2d8 [zd1211rw]
LR is at usb_probe_interface+0xf4/0x140
pc : [<bf004d78>]    lr : [<c02efd9c>]    psr: 60000013
sp : df3c5dd4  ip : df3c5e0c  fp : df3c5e08
r10: 00000000  r9 : df3c4000  r8 : 00000000
r7 : df2bf100  r6 : bf00c45c  r5 : ffffff9c  r4 : 00000000
r3 : 00000001  r2 : 00000007  r1 : bf00c45c  r0 : df2bf100
Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment user
Control: 0005397f  Table: 1f3f0000  DAC: 00000015
Process modprobe (pid: 693, stack limit = 0xdf3c4270)
Stack: (0xdf3c5dd4 to 0xdf3c6000)
5dc0:                                              bf00c45c df2bf100 df941400
5de0: df2bf100 bf00c110 df941400 bf00c45c 00000000 df3c4000 00000000 df3c5e30
5e00: df3c5e0c c02efd9c bf004bc0 df2bf120 df2bf154 bf00c140 bf00c140 c0589e78
5e20: df3c4000 df3c5e50 df3c5e34 c0274380 c02efcb8 df2bf120 df2bf154 bf00c140
5e40: bf00c140 df3c5e70 df3c5e54 c027449c c02742e0 00000000 df3c5e74 c0274434
5e60: bf00c140 df3c5e98 df3c5e74 c02736f0 c0274444 df88b738 df87c570 c0568094
5e80: bf00c140 00000060 dee9b1e0 df3c5ec8 df3c5e9c c0273dd8 c02736b4 bf008119
5ea0: bf00c140 bf00c110 bf00c140 bf008119 bf00c140 c002cb04 c05991e0 df3c5ef0
5ec0: df3c5ecc c027488c c0273cac bf00c110 bf00c5b0 bf008119 bf00c140 c002cb04
5ee0: c05991e0 df3c5f10 df3c5ef4 c02ef528 c02747ec 00000000 bf00c110 bf00c6e4
5f00: 40156000 df3c5f34 df3c5f14 bf00f068 c02ef4cc 00000000 00000000 00000000
5f20: bf00c5b0 000182c0 df3c5f7c df3c5f38 c002c338 bf00f010 00000000 00000000
5f40: bf00f000 00000000 bf00c5b0 000182c0 40156000 00000000 bf00c5b0 000182c0
5f60: 40156000 c002cb04 df3c4000 00000000 df3c5fa4 df3c5f80 c006fd2c c002c2e0
5f80: 00000003 00000000 4015202c 00000000 00019048 00000080 00000000 df3c5fa8
5fa0: c002c980 c006fc78 4015202c 00000000 40156000 000fb1be 000182c0 00000000
5fc0: 4015202c 00000000 00019048 00000080 00000000 40156000 00000000 00000000
5fe0: 00000000 bec6d904 0000b484 400ee6f4 60000010 40156000 00000000 00000000
unwind: Index not found bf004d78
Code: eb42bc30 e3550000 05875064 ea000036 (e5183048)
---[ end trace 34e72cd958a332df ]---
udevd-event[688]: '/sbin/modprobe -b usb:v0586p3410d4810dcFFdscFFdpFFicFFisc00ip00' abnormal exit

Has anyone seen this kind of error before?  Is there a way to fix it?  It happens for my Zyxel USB wireless stick and my Philips webcam.
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dattaway
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« Reply #1 on: October 20, 2009, 08:19:01 PM »

Looks like a few people have...

http://www.google.com/search?q=zd1211rw+kernel+oops
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hank
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« Reply #2 on: October 20, 2009, 08:20:44 PM »

I had looked at many of those, but I think I narrowed it down to not flashing the kernel into NAND properly.  I'm currently using tftpboot and then a nand write.e in the u-boot prompt to write to NAND, and it seems to work better than nandwrite (I don't know why nandwrite didn't work...)

Thanks!
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