Hello! Ludovic Courtès <[email protected]> skribis:
> [email protected] (Ludovic Courtès) skribis: > >> The ‘guix offload’ processes on berlin regularly hang while calling >> ‘channel-get-exit-status’: >> >> (gdb) bt >> #0 0x00007f299fb330f1 in __GI___poll (fds=0x1dd58c0, nfds=1, timeout=-1) at >> ../sysdeps/unix/sysv/linux/poll.c:29 >> #1 0x00007f2994287577 in ssh_poll_ctx_dopoll () from >> target:/gnu/store/wmpg67bn7i7pqc0p4xjp1npnqixk9znd-libssh-0.7.6/lib/libssh.so.4 >> #2 0x00007f29942884d9 in ssh_handle_packets () from >> target:/gnu/store/wmpg67bn7i7pqc0p4xjp1npnqixk9znd-libssh-0.7.6/lib/libssh.so.4 >> #3 0x00007f29942885ad in ssh_handle_packets_termination () from >> target:/gnu/store/wmpg67bn7i7pqc0p4xjp1npnqixk9znd-libssh-0.7.6/lib/libssh.so.4 >> #4 0x00007f2994275080 in ssh_channel_get_exit_status () from >> target:/gnu/store/wmpg67bn7i7pqc0p4xjp1npnqixk9znd-libssh-0.7.6/lib/libssh.so.4 >> #5 0x00007f29946dd11a in guile_ssh_channel_get_exit_status () from >> target:/gnu/store/i3nfl17wfx7sryq6w15r9wxl7ilmq4rb-guile-ssh-0.11.3/lib/libguile-ssh.so.11 >> #6 0x00007f29a1765965 in vm_regular_engine (thread=0x1dd58c0, vp=0x1d4df30, >> registers=0xffffffff, resume=-1615646479) at vm-engine.c:786 > > I was able to come up with a reduced test case for Guile-SSH: > > https://github.com/artyom-poptsov/guile-ssh/issues/11 It turned out that the code to start a REPL server in (ssh dist node) would currently hang, as I wrote in the bug report above. After investigation, I decided that inferiors are more appropriate than Guile-SSH’s node to address this use case, after all. Commit ed7b44370f71126087eb953f36aad8dc4c44109f changes ‘guix offload’ to inferiors. As a result, build machines must now run Guix > 0.15.0, which provides ‘guix repl’. That in turn simplifies setup of build machines: no need to fiddle with GUILE_LOAD_PATH. On berlin, build machines were running an older Guix so I copied a recently pulled Guix on each of them and installed it in ~/.config/guix/current. They’re now operational, except for the ARMv7 one which is still pulling. So far it seems to be working well but we’ll have to keep an eye on it. Thanks, Ludo’.
