On Sat, Oct 27, 2018 at 10:04 PM, Theodore Y. Ts'o <tytso@xxxxxxx> wrote: > I was rebuilding my dropbox Docker container, and it failed in 4.19 > with the following error: > > dpkg: error processing archive /var/cache/apt/archives/perl-base_5.20.2-3+deb8u11_amd64.deb (--unpack): > unable to make backup link of `./usr/bin/perl5.20.2' before installing new version: Invalid cross-device link > dpkg-deb: error: subprocess paste was killed by signal (Broken pipe) > dpkg: error: error creating new backup file '/var/lib/dpkg/status-old': Invalid cross-device link > E: Sub-process /usr/bin/dpkg returned an error code (2) > > When I booted the 4.18.0-2 kernel from Debian, the exact same Docker > file worked just fine. With 4.19 it fails reliably. Can you please post grep OVERLAY_FS .config ? I'd suspect METACOPY being enabled and regressing (since it's a new feature). Thanks, Mikos
