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Program Interrupt caused by Illegal Instruction

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gavin_78

Post subject: Program Interrupt caused by Illegal Instruction

PostPosted: Thu Aug 17, 2006 6:29 pm

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Joined: Wed Aug 16, 2006 5:07 am
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Thank you in advance for your time on this topic.

I took MPC750GX (IBM) as my processor, and lots of threads are running on it.

Today, the processor report a exception caused by illegal instruction (inum=7 & srr1[12]=1). The value of srr0 point to kernel text segment.

In the kernel, paging & dBAT were used at same time. I don't how the kernel text segment was corrupted and want to find out who did this.

any ideas?

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Neko

Post subject: Re: Program Interrupt caused by Illegal Instruction

PostPosted: Fri Aug 18, 2006 7:02 am

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Joined: Fri Sep 24, 2004 1:39 am
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Location: Austin, TX

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Mark the kernel text segment as read-only and see who trips?

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Post subject: Part time work online

PostPosted: Tue Sep 19, 2006 4:43 pm

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