Subject: Re: [X2Go-Dev] Bug#1590: Bug#1590: x2goclient hangs with Qt5.15 on EL8 - Reproduced on AlmaLinux 8

From: Mike Gabriel <[email-masked]>
Date: Mon, 15 Aug 2022 20:12:03 +0000

Hi Peter,

On  Fr 29 Jul 2022 21:42:20 CEST, Peter Bieringer wrote:

> Sorry, have now read how --debug works...
>
> Now started with: x2goclient --debug --libssh-debug 2>&1 | tee  
> /tmp/x2goclient-<QTversion>.log
>
> with Qt5.15:
>
> [2022/07/29 19:34:20.759320, 2] channel_open:  Creating a channel 46  
> with 64000 window and 32768 max packet
> [2022/07/29 19:34:20.760544, 2] ssh_packet_channel_open_conf:   
> Received a CHANNEL_OPEN_CONFIRMATION for channel 46:0
> [2022/07/29 19:34:20.760601, 2] ssh_packet_channel_open_conf:   
> Remote window : 0, maxpacket : 32768
> [2022/07/29 19:34:20.764500, 2] channel_rcv_change_window:  Adding  
> 2097152 bytes to channel (46:0) (from 0 bytes)
> [2022/07/29 19:34:20.764587, 2] channel_request:  Channel request  
> exec success
> [2022/07/29 19:34:21.075221, 2] grow_window:  growing window  
> (channel 46:0) to 1280000 bytes
>
> then it loops here forever:
>
> [2022/07/29 19:29:54.114274, 1] ssh_channel_accept:  No channel  
> request of this type from server
>
> Stopping after 4x CHANNEL_OPEN_CONFIRMATION (43...46)
>
> # grep CHANNEL_OPEN_CONFIRMATION /tmp/x2goclient-5.15.log
> [2022/07/29 19:34:12.681745, 2] ssh_packet_channel_open_conf:   
> Received a CHANNEL_OPEN_CONFIRMATION for channel 43:0
> [2022/07/29 19:34:12.897503, 2] ssh_packet_channel_open_conf:   
> Received a CHANNEL_OPEN_CONFIRMATION for channel 44:0
> [2022/07/29 19:34:17.564870, 2] ssh_packet_channel_open_conf:   
> Received a CHANNEL_OPEN_CONFIRMATION for channel 45:0
> [2022/07/29 19:34:20.760544, 2] ssh_packet_channel_open_conf:   
> Received a CHANNEL_OPEN_CONFIRMATION for channel 46:0
>
>
> with Qt5.12: results in 8x CHANNEL_OPEN_CONFIRMATION (43...50)
>
> # grep CHANNEL_OPEN_CONFIRMATION /tmp/x2goclient-5.12.log
> [2022/07/29 19:35:27.930657, 2] ssh_packet_channel_open_conf:   
> Received a CHANNEL_OPEN_CONFIRMATION for channel 43:0
> [2022/07/29 19:35:28.147269, 2] ssh_packet_channel_open_conf:   
> Received a CHANNEL_OPEN_CONFIRMATION for channel 44:0
> [2022/07/29 19:35:37.330360, 2] ssh_packet_channel_open_conf:   
> Received a CHANNEL_OPEN_CONFIRMATION for channel 45:0
> [2022/07/29 19:35:41.191864, 2] ssh_packet_channel_open_conf:   
> Received a CHANNEL_OPEN_CONFIRMATION for channel 46:0
> [2022/07/29 19:35:47.790986, 2] ssh_packet_channel_open_conf:   
> Received a CHANNEL_OPEN_CONFIRMATION for channel 47:0
> [2022/07/29 19:35:47.968874, 2] ssh_packet_channel_open_conf:   
> Received a CHANNEL_OPEN_CONFIRMATION for channel 48:1
> [2022/07/29 19:35:48.649804, 2] ssh_packet_channel_open_conf:   
> Received a CHANNEL_OPEN_CONFIRMATION for channel 49:1
> [2022/07/29 19:36:06.888934, 2] ssh_packet_channel_open_conf:   
> Received a CHANNEL_OPEN_CONFIRMATION for channel 50:0

Have you rebuilt x2goclient against Qt5.15? Or simply replaced the Qt5 libs?

You have to rebuild x2goclient.

Does that help? (In case you haven't rebuilt x2goclient, so far)?

Mike
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