* Mark Wielaard: > On Sat, Feb 16, 2019 at 06:09:06PM +0100, Kurt Roeckx wrote: >> On Debian's riscv64 port, this is a log of the build: >> https://buildd.debian.org/status/fetch.php?pkg=elfutils&arch=riscv64&ver=0.176-1&stamp=1550335976&raw=0 > > You are missing .eh_frame CFI. Without that backtraces > will be unreliable. Make sure that gcc for riscv64 has > -fasynchronous-unwind-tables on by default and these > failures should disappear. It is the default on Fedora > riscv64 and there we see zero-fail.
And keep in mind that you have to patch GCC for -fasynchronous-unwind-tables on other architectures, too. Unwinding information is not optional on GNU. Thanks, Florian
