Messages in this thread | ![/](/images/icornerl.gif) | | Date | Tue, 1 Sep 2009 15:25:49 +0100 | From | Russell King <> | Subject | Re: ARM + jprobes/kretprobes SEGV/hangs/OOPS in 2.6.29 kernel |
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On Tue, Sep 01, 2009 at 02:54:54PM +0100, Catalin Marinas wrote: > venki kaps <venkiece2005@gmail.com> wrote: > > I have found the exact problem with respect to ARM jprobes. > > > > The problem with configure i.e, CONFIG_ARM_UNWIND = y; is enabled. > > I haven't followed the kprobes implementation for ARM but does it make > any assumptions about the existence of a frame pointer on the stack? > Enabling stack unwinding automatically disables the framepointer.
If it uses CALLER_ADDRESSx() then it won't work with unwinding enabled. See 5613/1 (which is pending in the devel branch.)
-- Russell King Linux kernel 2.6 ARM Linux - http://www.arm.linux.org.uk/ maintainer of:
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