Freeswitch v1.10, debian10.4 , build failed, any sugestion are welcome ! cat /usr/src/freeswitch-debs/log/builds-ok.txt true cat /usr/src/freeswitch-debs/log/buster-amd64.txt |more Warning: apt-key output should not be parsed (stdout is not a terminal) ######################################################################## ## Creating base buster-amd64 image... ######################################################################## Using custom sources /tmp/fs.gpg buster /tmp/fs.sources.list ######################################################################## ## Using apt sources file: /tmp/fs.sources.list ######################################################################## I: Invoking pbuilder I: forking: pbuilder create --keyring /tmp/fs.gpg --othermirror 'deb https://mirrors.ustc.edu.cn/debian/ buster main|deb https://mirrors.ustc.edu.cn/ debian-security buster/updates main|deb https://mirrors.ustc.edu.cn/debian/ buster main|deb http://files.freeswitch.org/repo/deb/debian-unstable/ buster main' --buildplace /var/cache/pbuilder/base-buster-amd64.cow --mirror http://files.freeswitch.org/repo/deb/debian-unstable/ --architecture amd64 --distri bution buster --no-targz --extrapackages cowdancer W: /root/.pbuilderrc does not exist I: Running in no-targz mode I: Distribution is buster. I: Current time: Sat Jul 11 11:28:28 CST 2020 I: pbuilder-time-stamp: 1594438108 I: Building the build environment I: running debootstrap /usr/sbin/debootstrap I: Target architecture can be executed I: Retrieving InRelease I: Checking Release signature E: Release signed by unknown key (key id D76EDC7725E010CF) The specified keyring /usr/share/keyrings/debian-archive-keyring.gpg may be incorrect or out of date. You can find the latest Debian release key at https://ftp-master.debian.org/keys.html E: debootstrap failed E: Tail of debootstrap.log: amd64: ok 2020-07-11 11:28:30 URL:http://files.freeswitch.org/repo/deb/debian-unstable/dists/buster/InRelease [4589/4589] -> "/var/cache/pbuilder/base-buster-amd64. cow/var/lib/apt/lists/partial/files.freeswitch.org_repo_deb_debian-unstable_dists_buster_InRelease" [1] gpgv: Signature made Sat Jun 13 00:32:40 2020 CST gpgv: using DSA key 20B06EE621AB150D40F6079FD76EDC7725E010CF gpgv: Can't check signature: No public key E: End of debootstrap.log W: Aborting with an error E: pbuilder create failed I: forking: rm -rf /var/cache/pbuilder/base-buster-amd64.cow Using custom sources /tmp/fs.gpg buster /tmp/fs.sources.list ########################################################################