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Re: [microblaze-uclinux] BUG: scheduling while atomic: (Kernel 2.6)

Hi Chun Yeow,

Thanks for the report - we'll look into it and let you know via the list.

Thanks again,

John

Yeoh Chun Yeow wrote:

Dear all,
I compile the 2.6 kernel in the petalogix distribution. My file system is in romfs format.
I have found "BUG: scheduling while atomic: sh/0x00000008/43" in my kernel execution. 

BUG: scheduling while atomic: sh/0x00000008/43

Stack:
  27efeac4 27ece5cc 245d1d20 00000001 0000005b 24001ed4 2418a0e4 244ea1c4
  00000008 0000002b 0ba0f600 27efea30 00000008 245d15e0 245d15e0 2459e000
  27ece5cc 245d1d20 00000001 0000005b 27effc30 00000000 00000000 27efebb4
Call Trace:
[<24001ed4>] ret_from_intr+0x1c/0x40


After I enable in CONFIG_PREEMPT, thing get better.

But, now when I doing the ping, the following bugs occur:
bytes from 199.20.6.174 <http://199.20.6.174>: icmp_BUG: scheduling while atomic: ping/0x00000002/62 

Stack:
  2465fc14 27cb28b0 000000c0 00000000 27d1e120 241a7f9c 241ab0a8 27d1b1d8
  00000002 0000003e 2465e000 000000a2 240166c0 7fffffff 00000000 2465fc8c
  2465fce0 2465fd18 00000000 00000000 27cb28b0 000000c0 00000000 2411b36c
Call Trace:

What is the reason behind that? Any ideas?

Please advice. Thanks

regards,
chun yeow



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