Messages in this thread | | | Date | Thu, 14 May 2009 23:47:39 -0700 | Subject | Understanding kernel Oops while using M-USB | From | Shivdas Gujare <> |
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Following is a part of Oops on BeagleBoard, which I am trying to understand... I have pasted complete Oops at http://pastie.org/478896
[<c0036d24>] (omap3_pm_idle+0x0/0x120) from [<c002c184>] (cpu_idle+0x40/0x60) [<c002c144>] (cpu_idle+0x0/0x60) from [<c0299bfc>] (rest_init+0x58/0x6c) r5:c037ee8c r4:c0387d38 [<c0299ba4>] (rest_init+0x0/0x6c) from [<c0008a00>] (start_kernel+0x260/0x2b8) [<c00087a0>] (start_kernel+0x0/0x2b8) from [<80008034>] (0x80008034)
--------------------end of oops------------------ c00087a0(virtual address of start_kernel) + 0x260(offset) = c0008a00 (value in square bracket above) where c0008a00 is the address of next instruction after branch instruction to c0299ba4(i.e rest_init)
But here, I didn't understood what is 0x2b8 from (start_kernel+0x260/0x2b8). i.e. 0x260 is a offset from start_kernel but what is 0x2b8? Also what address 0x80008034 points to?
I tried to analyze this using "arm-none-linux-gnueabi-objdump -D vmlinux".
I what general scenarios "Unable to handle kernel paging request at virtual address" this message gets printed?
Thanks for your help.
Thanks and Regards, Shivdas Gujare
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