On Fri, Sep 21, Richard W.M. Jones wrote:
On Fri, Sep 21, 2012 at 03:40:35PM +0200, Olaf Hering wrote:
> gdb is certainly more advanced, something like 'var="gdb --readnow -ex r
> -ex bt -ex quit' ; $var guestfsd' would be good enough, or gdb
> --command=FILE.
> As you say, without adding debuginfo into guest the backtrace would be
> not that useful. But its better than nothing.
glibc -- on Fedora -- prints a stack trace on exit, so we've not had a
need to get one out using gdb. A core dump would be the really useful
thing for us.
How does it do that, via a segfault handler? I mean, is that a private
patch or something in upstream glibc?
Olaf