Linux Internal Error Oops 17
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Internal Error Oops 17 #2
or posting ads with us Stack Overflow Questions Jobs Documentation Tags Users Badges Ask Question x Dismiss Join the Stack internal error: oops: 17 [#1] smp arm Overflow Community Stack Overflow is a community of 6.2 million programmers, just like you, helping each other. Join them; it only takes a minute: Sign up Kernel Oops 17 for ARM up vote internal error: oops: 17 [#1] preempt arm 0 down vote favorite For a few days, I have investigated this problem, but knowing hardly could not be. linux version : 2.6.39 board : at91sam9x25 Processor : ARM926EJ-S rev 5 After the process has been run successfully for more than one day, displays the message oops suddenly. look at the r0. it is measns struct kmem_cache pointer. keme_cache pointer was initialized when linux booting. Then the
Unable To Handle Kernel Null Pointer Dereference At Virtual Address 00000000
r0 is should never change. but the oops message, the r0 is 0.. it is impossible i don't know why the r0 was changed to 0. i want how to debugging or answer please help me. Unable to handle kernel NULL pointer dereference at virtual address 00000000 pgd = cfb1c000 [00000000] *pgd=2fbfa831, *pte=00000000, *ppte=00000000 Internal error: Oops: 17 [#1] last sysfs file: Modules linked in: CPU: 0 Not tainted (2.6.39 #216) PC is at kmem_cache_alloc+0x24/0x98 LR is at getname_flags+0x20/0xe8 pc : [] lr : [] psr: 40000093 sp : cfbb5f40 ip : 00000000 fp : 00000000 r10: 00000000 r9 : cfbb4000 r8 : ffffff9c r7 : 00000000 r6 : 00000000 r5 : 40000013 r4 : 40202e7e r3 : 40000093 r2 : 00000100 r1 : 000000d0 r0 : 00000000 Flags: nZcv IRQs off FIQs on Mode SVC_32 ISA ARM Segment user Control: 0005317f Table: 2fb1c000 DAC: 00000015 Process MEG (pid: 589, stack limit = 0xcfbb4270) Stack: (0xcfbb5f40 to 0xcfbb6000) 5f40: 00000000 40202e7e 00000000 00000000 00000000 c00a1e9c 00014220 00000001 5f60: 00000000 00000000 00000005 c0094efc 00000000 00000011 00000000 00000000 5f80: 00000024 00000100 00000000 00000000 4020e040 4020dee0 00000005 c0030b28 5fa0: 00000000 c0030980 00000000 4020e040 40202e7e 00000000 00000000 00000050 5fc0: 00000000 4020e040
here for a quick overview of the site Help Center Detailed answers to any questions you might have Meta Discuss the workings and policies of this site About unable to handle kernel paging request at virtual address Us Learn more about Stack Overflow the company Business Learn more about hiring developers or posting ads with us Stack Overflow Questions Jobs Documentation Tags Users Badges Ask Question x Dismiss Join the Stack Overflow Community Stack Overflow is a community of 6.2 million programmers, just like you, helping each other. Join them; it only takes a minute: Sign up Howto debug kernel oops on embedded http://stackoverflow.com/questions/24237228/kernel-oops-17-for-arm system up vote 6 down vote favorite 4 I've got a problem with one of the serial ports on an embedded development. /dev/ttyS0, /dev/ttyS2, and /dev/ttyS3 all work fine with no problems. But in some cases accessing /dev/ttyS1 throws the following two 'oops' messages. I've no idea where to even start tracking down the cause of this, can you help? 1st Unable to handle kernel NULL pointer http://stackoverflow.com/questions/1165577/howto-debug-kernel-oops-on-embedded-system dereference at virtual address 0000013c pgd = c0004000 [0000013c] *pgd=00000000 stopped custom tracer. Internal error: Oops: 17 [#1] PREEMPT Modules linked in: macb CPU: 0 Not tainted (2.6.24-rc5-rt1 #2) pc : [
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