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edited Jun 4, 2018 at 21:06

debug3: receive packet: type 90 debug1: client_input_channel_open: ctype x11 rchan 3 win 65536 max 16384 debug1: client_request_x11: request from ::1 34772 debug2: fd 8 setting O_NONBLOCK debug3: fd 8 is O_NONBLOCK debug1: channel 1: new [x11] debug1: confirm x11 debug3: send packet: type 91 debug2: channel 1: rcvd adjust 44420 debug2: channel 1: rcvd adjust 49152 debug2: channel 1: rcvd adjust 49152 ...

debug3: receive packet: type 90 
debug1: client_input_channel_open: ctype x11 rchan 3 win 65536 max 16384 
debug1: client_request_x11: request from ::1 34772 
debug2: fd 8 setting O_NONBLOCK 
debug3: fd 8 is O_NONBLOCK 
debug1: channel 1: new [x11] 
debug1: confirm x11 
debug3: send packet: type 91 
debug2: channel 1: rcvd adjust 44420 
debug2: channel 1: rcvd adjust 49152 
debug2: channel 1: rcvd adjust 49152

startingStarting emacs this is logged;

debug3: receive packet: type 90 debug1: client_input_channel_open: ctype x11 rchan 3 win 65536 max 16384 debug1: client_request_x11: request from ::1 34776 debug2: fd 8 setting O_NONBLOCK debug3: fd 8 is O_NONBLOCK debug1: channel 1: new [x11] debug1: confirm x11 debug3: send packet: type 91 debug3: receive packet: type 96 debug2: channel 1: rcvd eof debug2: channel 1: output open -> drain debug2: channel 1: obuf empty debug2: channel 1: close_write debug2: channel 1: output drain -> closed debug1: channel 1: FORCE input drain debug2: channel 1: ibuf empty debug2: channel 1: send eof debug3: send packet: type 96 debug2: channel 1: input drain -> closed debug2: channel 1: send close debug3: send packet: type 97 debug3: channel 1: will not send data after close debug3: receive packet: type 90 debug1: client_input_channel_open: ctype x11 rchan 4 win 65536 max 16384 debug1: client_request_x11: request from ::1 34778 debug2: fd 9 setting O_NONBLOCK debug3: fd 9 is O_NONBLOCK debug1: channel 2: new [x11] debug1: confirm x11 debug3: send packet: type 91 debug3: channel 1: will not send data after close debug3: channel 1: will not send data after close debug3: receive packet: type 97 debug2: channel 1: rcvd close debug3: channel 1: will not send data after close debug2: channel 1: is dead debug2: channel 1: garbage collecting debug1: channel 1: free: x11, nchannels 3 debug3: channel 1: status: The following connections are open: #0 client-session (t4 r0 i0/0 o0/0 fd 5/6 cc -1) #1 x11 (t4 r3 i3/0 o3/0 fd 8/8 cc -1) #2 x11 (t7 r4 i0/0 o0/0 fd 9/9 cc -1)

debug3: receive packet: type 90
debug1: client_input_channel_open: ctype x11 rchan 3 win 65536 max 16384
debug1: client_request_x11: request from ::1 34776
debug2: fd 8 setting O_NONBLOCK
debug3: fd 8 is O_NONBLOCK
debug1: channel 1: new [x11]
debug1: confirm x11
debug3: send packet: type 91
debug3: receive packet: type 96
debug2: channel 1: rcvd eof
debug2: channel 1: output open -> drain
debug2: channel 1: obuf empty
debug2: channel 1: close_write
debug2: channel 1: output drain -> closed
debug1: channel 1: FORCE input drain
debug2: channel 1: ibuf empty
debug2: channel 1: send eof
debug3: send packet: type 96
debug2: channel 1: input drain -> closed
debug2: channel 1: send close
debug3: send packet: type 97
debug3: channel 1: will not send data after close
debug3: receive packet: type 90
debug1: client_input_channel_open: ctype x11 rchan 4 win 65536 max 16384
debug1: client_request_x11: request from ::1 34778
debug2: fd 9 setting O_NONBLOCK
debug3: fd 9 is O_NONBLOCK
debug1: channel 2: new [x11]
debug1: confirm x11
debug3: send packet: type 91
debug3: channel 1: will not send data after close
debug3: channel 1: will not send data after close
debug3: receive packet: type 97
debug2: channel 1: rcvd close
debug3: channel 1: will not send data after close
debug2: channel 1: is dead
debug2: channel 1: garbage collecting
debug1: channel 1: free: x11, nchannels 3
debug3: channel 1: status: The following connections are open:
  #0 client-session (t4 r0 i0/0 o0/0 fd 5/6 cc -1)
  #1 x11 (t4 r3 i3/0 o3/0 fd 8/8 cc -1)
  #2 x11 (t7 r4 i0/0 o0/0 fd 9/9 cc -1)

debug3: receive packet: type 90 debug1: client_input_channel_open: ctype x11 rchan 3 win 65536 max 16384 debug1: client_request_x11: request from ::1 34772 debug2: fd 8 setting O_NONBLOCK debug3: fd 8 is O_NONBLOCK debug1: channel 1: new [x11] debug1: confirm x11 debug3: send packet: type 91 debug2: channel 1: rcvd adjust 44420 debug2: channel 1: rcvd adjust 49152 debug2: channel 1: rcvd adjust 49152 ...

starting emacs this is logged;

debug3: receive packet: type 90 debug1: client_input_channel_open: ctype x11 rchan 3 win 65536 max 16384 debug1: client_request_x11: request from ::1 34776 debug2: fd 8 setting O_NONBLOCK debug3: fd 8 is O_NONBLOCK debug1: channel 1: new [x11] debug1: confirm x11 debug3: send packet: type 91 debug3: receive packet: type 96 debug2: channel 1: rcvd eof debug2: channel 1: output open -> drain debug2: channel 1: obuf empty debug2: channel 1: close_write debug2: channel 1: output drain -> closed debug1: channel 1: FORCE input drain debug2: channel 1: ibuf empty debug2: channel 1: send eof debug3: send packet: type 96 debug2: channel 1: input drain -> closed debug2: channel 1: send close debug3: send packet: type 97 debug3: channel 1: will not send data after close debug3: receive packet: type 90 debug1: client_input_channel_open: ctype x11 rchan 4 win 65536 max 16384 debug1: client_request_x11: request from ::1 34778 debug2: fd 9 setting O_NONBLOCK debug3: fd 9 is O_NONBLOCK debug1: channel 2: new [x11] debug1: confirm x11 debug3: send packet: type 91 debug3: channel 1: will not send data after close debug3: channel 1: will not send data after close debug3: receive packet: type 97 debug2: channel 1: rcvd close debug3: channel 1: will not send data after close debug2: channel 1: is dead debug2: channel 1: garbage collecting debug1: channel 1: free: x11, nchannels 3 debug3: channel 1: status: The following connections are open: #0 client-session (t4 r0 i0/0 o0/0 fd 5/6 cc -1) #1 x11 (t4 r3 i3/0 o3/0 fd 8/8 cc -1) #2 x11 (t7 r4 i0/0 o0/0 fd 9/9 cc -1)

debug3: receive packet: type 90 
debug1: client_input_channel_open: ctype x11 rchan 3 win 65536 max 16384 
debug1: client_request_x11: request from ::1 34772 
debug2: fd 8 setting O_NONBLOCK 
debug3: fd 8 is O_NONBLOCK 
debug1: channel 1: new [x11] 
debug1: confirm x11 
debug3: send packet: type 91 
debug2: channel 1: rcvd adjust 44420 
debug2: channel 1: rcvd adjust 49152 
debug2: channel 1: rcvd adjust 49152

Starting emacs this is logged;

debug3: receive packet: type 90
debug1: client_input_channel_open: ctype x11 rchan 3 win 65536 max 16384
debug1: client_request_x11: request from ::1 34776
debug2: fd 8 setting O_NONBLOCK
debug3: fd 8 is O_NONBLOCK
debug1: channel 1: new [x11]
debug1: confirm x11
debug3: send packet: type 91
debug3: receive packet: type 96
debug2: channel 1: rcvd eof
debug2: channel 1: output open -> drain
debug2: channel 1: obuf empty
debug2: channel 1: close_write
debug2: channel 1: output drain -> closed
debug1: channel 1: FORCE input drain
debug2: channel 1: ibuf empty
debug2: channel 1: send eof
debug3: send packet: type 96
debug2: channel 1: input drain -> closed
debug2: channel 1: send close
debug3: send packet: type 97
debug3: channel 1: will not send data after close
debug3: receive packet: type 90
debug1: client_input_channel_open: ctype x11 rchan 4 win 65536 max 16384
debug1: client_request_x11: request from ::1 34778
debug2: fd 9 setting O_NONBLOCK
debug3: fd 9 is O_NONBLOCK
debug1: channel 2: new [x11]
debug1: confirm x11
debug3: send packet: type 91
debug3: channel 1: will not send data after close
debug3: channel 1: will not send data after close
debug3: receive packet: type 97
debug2: channel 1: rcvd close
debug3: channel 1: will not send data after close
debug2: channel 1: is dead
debug2: channel 1: garbage collecting
debug1: channel 1: free: x11, nchannels 3
debug3: channel 1: status: The following connections are open:
  #0 client-session (t4 r0 i0/0 o0/0 fd 5/6 cc -1)
  #1 x11 (t4 r3 i3/0 o3/0 fd 8/8 cc -1)
  #2 x11 (t7 r4 i0/0 o0/0 fd 9/9 cc -1)

Source Link

asked Jun 4, 2018 at 20:10

Patrik Arlos

SSH and X11 forwarding strangeness

Got a problem; I've got a server were I have been using X11 forwarding for a long time, without any problems. Now; a strange has occurred.

If I login using ssh -X -Y user@device, connection is successful. If xterm/xeyes starts, the appropriate window appears on my computer.

If I start emacs or gwenview, nothing happens...

Running ssh -vvv -X -Y user@deviceand starting xterm, this is logged.

debug3: receive packet: type 90 debug1: client_input_channel_open: ctype x11 rchan 3 win 65536 max 16384 debug1: client_request_x11: request from ::1 34772 debug2: fd 8 setting O_NONBLOCK debug3: fd 8 is O_NONBLOCK debug1: channel 1: new [x11] debug1: confirm x11 debug3: send packet: type 91 debug2: channel 1: rcvd adjust 44420 debug2: channel 1: rcvd adjust 49152 debug2: channel 1: rcvd adjust 49152 ...

then the xterm shows up.

starting emacs this is logged;

debug3: receive packet: type 90 debug1: client_input_channel_open: ctype x11 rchan 3 win 65536 max 16384 debug1: client_request_x11: request from ::1 34776 debug2: fd 8 setting O_NONBLOCK debug3: fd 8 is O_NONBLOCK debug1: channel 1: new [x11] debug1: confirm x11 debug3: send packet: type 91 debug3: receive packet: type 96 debug2: channel 1: rcvd eof debug2: channel 1: output open -> drain debug2: channel 1: obuf empty debug2: channel 1: close_write debug2: channel 1: output drain -> closed debug1: channel 1: FORCE input drain debug2: channel 1: ibuf empty debug2: channel 1: send eof debug3: send packet: type 96 debug2: channel 1: input drain -> closed debug2: channel 1: send close debug3: send packet: type 97 debug3: channel 1: will not send data after close debug3: receive packet: type 90 debug1: client_input_channel_open: ctype x11 rchan 4 win 65536 max 16384 debug1: client_request_x11: request from ::1 34778 debug2: fd 9 setting O_NONBLOCK debug3: fd 9 is O_NONBLOCK debug1: channel 2: new [x11] debug1: confirm x11 debug3: send packet: type 91 debug3: channel 1: will not send data after close debug3: channel 1: will not send data after close debug3: receive packet: type 97 debug2: channel 1: rcvd close debug3: channel 1: will not send data after close debug2: channel 1: is dead debug2: channel 1: garbage collecting debug1: channel 1: free: x11, nchannels 3 debug3: channel 1: status: The following connections are open: #0 client-session (t4 r0 i0/0 o0/0 fd 5/6 cc -1) #1 x11 (t4 r3 i3/0 o3/0 fd 8/8 cc -1) #2 x11 (t7 r4 i0/0 o0/0 fd 9/9 cc -1)

This then repeats two more times, then nothing.

Emacs is compiled with x support.

At this point Im drawing a blank; x11 forwarding works (xterm works) but emacs/gwenview does not. :(

Is it an SSH, X11 or something else error?

BR/Patrik

ssh x11