The root cause of the build failure under precise was that we were trying to assign an entry to debuglink that didn't exist. When the build was iterating over kos, it simply expects that the path in /lib/modules will mirror that found in /usr/lib/debug, this is not always true. There are modules copied to places like /lib/modules/3.2.0-25-generic/initrd/, of which there exists no analog under the current debug tree structure, nor should there as it's a copy of a perfectly probable module already found in kernel/
This updated v2 patches checks that the destination debug ko exists before attempt to update the gnu_debuglink section. It's also noteworthy that objcopy isn't just recording a pathname into that space, it's reading the unstripped ko. I've tested this patch extensively on precise, including developer builds where I delete the build stamp, change the source code for a single module and incrementally rebuild the entire package. The dbgsyms remain consistent. ** Patch added: "0001-UBUNTU-PACKAGING-v2-add-.gnu_debuglink-sections-to-..patch" https://bugs.launchpad.net/ubuntu/+source/systemtap/+bug/669641/+attachment/3199263/+files/0001-UBUNTU-PACKAGING-v2-add-.gnu_debuglink-sections-to-..patch -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/669641 Title: systemtap fails to discover installed debug modules To manage notifications about this bug go to: https://bugs.launchpad.net/linaro-ubuntu/+bug/669641/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
