UNWIND_INFO & STACK_UNWIND symbols missing (Warning)

Hello - 

 

I have been slowly coming up to speed on lttng. 

 

I think I am almost there (At least with regard to getting my kernel
ready). 

 

I am using 2.6.21.1 (Right from kernel.org) with lttng 0.9.5. 

 

I applied the patches, and am now attempting to  configure/compile the
kernel. 

 

When I do a make xconfig, I DO see the lttng options under the
Instrumentation tree and I select them. 

 

When I go to compile though, I see the following warning. 

 

ltt/Kconfig:271:warning: 'select' used by config symbol
'LTT_PROCESS_STACK' refer to undefined symbol 'UNWIND_INFO'

ltt/Kconfig:271:warning: 'select' used by config symbol
'LTT_PROCESS_STACK' refer to undefined symbol 'STACK_UNWIND'

 

Is this a problem ? I am looking through the kernel configuration files
to see where the 2 missing symbols are, so far I have only found them in
the lttng patch/KBuild files. 

 

 

Thanks

 

-Chris

 

Chris Pane
Principal Engineer
Vanteon Corporation
255 Woodcliff Drive, Suite 200
Fairport, NY 14450-4226
Office: (585) 419-9568
Fax: (585) 248-0537
www.vanteon.com <http://www.vanteon.com>  - Embedded for Your Future

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