Ludovic Courtès <l...@gnu.org> skribis: > Ludovic Courtès <l...@gnu.org> skribis: > >> l...@gnu.org (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.
It looks like this commit fixed the bug above, so I’m closing it. There are still occasional hangs in ‘ssh_handle_packets_termination’ though while reading from a channel but AFAICS that’s a different issue. Ludo’.
