On Jun 11, 2014, at 12:53 PM, Craig Rodrigues <rodr...@freebsd.org> wrote:
> Hi, > > Recently when trying to debug some coredumps in CURRENT from > a userland process in the devel/libvirt port, I found that the gdb in > base could not get a backtrace from the core file: > > http://lists.freebsd.org/pipermail/freebsd-virtualization/2014-June/002606.html > > I needed to add to my /etc/src.conf WITH_LLDB=yes > and compile and install lldb, which *could* analyze the coredump. > > I realize that gdb in base is on its way out the door, and that > clang and lldb are the new world order. However, one of the > main blockers for removing gdb from base is that > there is no equivalent to kgdb in the lldb world. > > Is anyone working on a kernel lldb? When is it expected to be ready? > Will something like it be ready by end of 2014? > > Even though this may not be an issue in the stable/10 branch, > it would be nice to have a kernel lldb debugger ready by > the next 10.1R if possible. Except for kgdb functionality, the gdb ports (both the 6.x and 7.x ones) work much better than the gdb in the tree. This may be a good stop-gap until lldb is ready. Warner
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