<div dir="ltr">
<p class="gmail-p1" style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Arial;color:rgb(0,0,0)"><span class="gmail-s1" style="font-kerning:none">Dear all,</span></p>
<p class="gmail-p2" style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Arial;color:rgb(0,0,0);min-height:16px"><span class="gmail-s1" style="font-kerning:none"></span><br></p>
<p class="gmail-p1" style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Arial;color:rgb(0,0,0)"><span class="gmail-s1" style="font-kerning:none">I suspect I’ve hit a bug. The problem is as follows: when connecting with the x2go client [4.1.2.2 (Qt - 4.8.7)] running on a Mac to a desktop session running on Ubuntu 22.04 (in the “X2G0/X11 Desktop Sharing” mode to the x2goserver version 4.1.0.3), some simple keystrokes on the client side generate spurious 3-keycode sequences, rendering the connection almost unusable.<span class="gmail-Apple-converted-space"> </span></span></p>
<p class="gmail-p2" style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Arial;color:rgb(0,0,0);min-height:16px"><span class="gmail-s1" style="font-kerning:none"></span><br></p>
<p class="gmail-p1" style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Arial;color:rgb(0,0,0)"><span class="gmail-s1" style="font-kerning:none">An example: the key “/” press/release on the client side generates the following sequence of key codes (xev output):</span></p>
<p class="gmail-p2" style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Arial;color:rgb(0,0,0);min-height:16px"><span class="gmail-s1" style="font-kerning:none"></span><br></p>
<p class="gmail-p1" style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Arial;color:rgb(0,0,0)"><span class="gmail-s1" style="font-kerning:none">KeyPress event, serial 28, synthetic NO, window 0x3600001,</span></p>
<p class="gmail-p1" style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Arial;color:rgb(0,0,0)"><span class="gmail-s1" style="font-kerning:none"><span class="gmail-Apple-converted-space"> </span>root 0x1ce, subw 0x0, time 486547, (1252,734), root:(1252,795),</span></p>
<p class="gmail-p1" style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Arial;color:rgb(0,0,0)"><span class="gmail-s1" style="font-kerning:none"><span class="gmail-Apple-converted-space"> </span>state 0x0, keycode 50 (keysym 0xffe1, Shift_L), same_screen YES,</span></p>
<p class="gmail-p1" style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Arial;color:rgb(0,0,0)"><span class="gmail-s1" style="font-kerning:none"><span class="gmail-Apple-converted-space"> </span>XLookupString gives 0 bytes:<span class="gmail-Apple-converted-space"> </span></span></p>
<p class="gmail-p1" style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Arial;color:rgb(0,0,0)"><span class="gmail-s1" style="font-kerning:none"><span class="gmail-Apple-converted-space"> </span>XmbLookupString gives 0 bytes:<span class="gmail-Apple-converted-space"> </span></span></p>
<p class="gmail-p1" style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Arial;color:rgb(0,0,0)"><span class="gmail-s1" style="font-kerning:none"><span class="gmail-Apple-converted-space"> </span>XFilterEvent returns: False</span></p>
<p class="gmail-p2" style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Arial;color:rgb(0,0,0);min-height:16px"><span class="gmail-s1" style="font-kerning:none"></span><br></p>
<p class="gmail-p1" style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Arial;color:rgb(0,0,0)"><span class="gmail-s1" style="font-kerning:none">KeyPress event, serial 28, synthetic NO, window 0x3600001,</span></p>
<p class="gmail-p1" style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Arial;color:rgb(0,0,0)"><span class="gmail-s1" style="font-kerning:none"><span class="gmail-Apple-converted-space"> </span>root 0x1ce, subw 0x0, time 486548, (1252,734), root:(1252,795),</span></p>
<p class="gmail-p1" style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Arial;color:rgb(0,0,0)"><span class="gmail-s1" style="font-kerning:none"><span class="gmail-Apple-converted-space"> </span>state 0x1, keycode 92 (keysym 0xfe03, ISO_Level3_Shift), same_screen YES,</span></p>
<p class="gmail-p1" style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Arial;color:rgb(0,0,0)"><span class="gmail-s1" style="font-kerning:none"><span class="gmail-Apple-converted-space"> </span>XLookupString gives 0 bytes:<span class="gmail-Apple-converted-space"> </span></span></p>
<p class="gmail-p1" style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Arial;color:rgb(0,0,0)"><span class="gmail-s1" style="font-kerning:none"><span class="gmail-Apple-converted-space"> </span>XmbLookupString gives 0 bytes:<span class="gmail-Apple-converted-space"> </span></span></p>
<p class="gmail-p1" style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Arial;color:rgb(0,0,0)"><span class="gmail-s1" style="font-kerning:none"><span class="gmail-Apple-converted-space"> </span>XFilterEvent returns: False</span></p>
<p class="gmail-p2" style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Arial;color:rgb(0,0,0);min-height:16px"><span class="gmail-s1" style="font-kerning:none"></span><br></p>
<p class="gmail-p1" style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Arial;color:rgb(0,0,0)"><span class="gmail-s1" style="font-kerning:none">KeyPress event, serial 28, synthetic NO, window 0x3600001,</span></p>
<p class="gmail-p1" style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Arial;color:rgb(0,0,0)"><span class="gmail-s1" style="font-kerning:none"><span class="gmail-Apple-converted-space"> </span>root 0x1ce, subw 0x0, time 486548, (1252,734), root:(1252,795),</span></p>
<p class="gmail-p1" style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Arial;color:rgb(0,0,0)"><span class="gmail-s1" style="font-kerning:none"><span class="gmail-Apple-converted-space"> </span>state 0x81, keycode 51 (keysym 0x7c, bar), same_screen YES,</span></p>
<p class="gmail-p1" style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Arial;color:rgb(0,0,0)"><span class="gmail-s1" style="font-kerning:none"><span class="gmail-Apple-converted-space"> </span>XLookupString gives 1 bytes: (7c) "|"</span></p>
<p class="gmail-p1" style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Arial;color:rgb(0,0,0)"><span class="gmail-s1" style="font-kerning:none"><span class="gmail-Apple-converted-space"> </span>XmbLookupString gives 1 bytes: (7c) "|"</span></p>
<p class="gmail-p1" style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Arial;color:rgb(0,0,0)"><span class="gmail-s1" style="font-kerning:none"><span class="gmail-Apple-converted-space"> </span>XFilterEvent returns: False</span></p>
<p class="gmail-p2" style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Arial;color:rgb(0,0,0);min-height:16px"><span class="gmail-s1" style="font-kerning:none"></span><br></p>
<p class="gmail-p1" style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Arial;color:rgb(0,0,0)"><span class="gmail-s1" style="font-kerning:none">KeyRelease event, serial 28, synthetic NO, window 0x3600001,</span></p>
<p class="gmail-p1" style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Arial;color:rgb(0,0,0)"><span class="gmail-s1" style="font-kerning:none"><span class="gmail-Apple-converted-space"> </span>root 0x1ce, subw 0x0, time 486548, (1252,734), root:(1252,795),</span></p>
<p class="gmail-p1" style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Arial;color:rgb(0,0,0)"><span class="gmail-s1" style="font-kerning:none"><span class="gmail-Apple-converted-space"> </span>state 0x81, keycode 50 (keysym 0xffe1, Shift_L), same_screen YES,</span></p>
<p class="gmail-p1" style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Arial;color:rgb(0,0,0)"><span class="gmail-s1" style="font-kerning:none"><span class="gmail-Apple-converted-space"> </span>XLookupString gives 0 bytes:<span class="gmail-Apple-converted-space"> </span></span></p>
<p class="gmail-p1" style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Arial;color:rgb(0,0,0)"><span class="gmail-s1" style="font-kerning:none"><span class="gmail-Apple-converted-space"> </span>XFilterEvent returns: False</span></p>
<p class="gmail-p2" style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Arial;color:rgb(0,0,0);min-height:16px"><span class="gmail-s1" style="font-kerning:none"></span><br></p>
<p class="gmail-p1" style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Arial;color:rgb(0,0,0)"><span class="gmail-s1" style="font-kerning:none">KeyRelease event, serial 28, synthetic NO, window 0x3600001,</span></p>
<p class="gmail-p1" style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Arial;color:rgb(0,0,0)"><span class="gmail-s1" style="font-kerning:none"><span class="gmail-Apple-converted-space"> </span>root 0x1ce, subw 0x0, time 486548, (1252,734), root:(1252,795),</span></p>
<p class="gmail-p1" style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Arial;color:rgb(0,0,0)"><span class="gmail-s1" style="font-kerning:none"><span class="gmail-Apple-converted-space"> </span>state 0x80, keycode 92 (keysym 0xfe03, ISO_Level3_Shift), same_screen YES,</span></p>
<p class="gmail-p1" style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Arial;color:rgb(0,0,0)"><span class="gmail-s1" style="font-kerning:none"><span class="gmail-Apple-converted-space"> </span>XLookupString gives 0 bytes:<span class="gmail-Apple-converted-space"> </span></span></p>
<p class="gmail-p1" style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Arial;color:rgb(0,0,0)"><span class="gmail-s1" style="font-kerning:none"><span class="gmail-Apple-converted-space"> </span>XFilterEvent returns: False</span></p>
<p class="gmail-p2" style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Arial;color:rgb(0,0,0);min-height:16px"><span class="gmail-s1" style="font-kerning:none"></span><br></p>
<p class="gmail-p1" style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Arial;color:rgb(0,0,0)"><span class="gmail-s1" style="font-kerning:none">KeyRelease event, serial 28, synthetic NO, window 0x3600001,</span></p>
<p class="gmail-p1" style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Arial;color:rgb(0,0,0)"><span class="gmail-s1" style="font-kerning:none"><span class="gmail-Apple-converted-space"> </span>root 0x1ce, subw 0x0, time 486660, (1252,734), root:(1252,795),</span></p>
<p class="gmail-p1" style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Arial;color:rgb(0,0,0)"><span class="gmail-s1" style="font-kerning:none"><span class="gmail-Apple-converted-space"> </span>state 0x0, keycode 51 (keysym 0x5c, backslash), same_screen YES,</span></p>
<p class="gmail-p1" style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Arial;color:rgb(0,0,0)"><span class="gmail-s1" style="font-kerning:none"><span class="gmail-Apple-converted-space"> </span>XLookupString gives 1 bytes: (5c) "\"</span></p>
<p class="gmail-p1" style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Arial;color:rgb(0,0,0)"><span class="gmail-s1" style="font-kerning:none"><span class="gmail-Apple-converted-space"> </span>XFilterEvent returns: False</span></p>
<p class="gmail-p2" style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Arial;color:rgb(0,0,0);min-height:16px"><span class="gmail-s1" style="font-kerning:none"></span><br></p>
<p class="gmail-p1" style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Arial;color:rgb(0,0,0)"><span class="gmail-s1" style="font-kerning:none">Other info: “setxkbmap -query” output is:</span></p>
<p class="gmail-p1" style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Arial;color:rgb(0,0,0)"><span class="gmail-s1" style="font-kerning:none">rules:<span class="gmail-Apple-converted-space"> </span>evdev</span></p>
<p class="gmail-p1" style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Arial;color:rgb(0,0,0)"><span class="gmail-s1" style="font-kerning:none">model:<span class="gmail-Apple-converted-space"> </span>pc105</span></p>
<p class="gmail-p1" style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Arial;color:rgb(0,0,0)"><span class="gmail-s1" style="font-kerning:none">layout: <span class="gmail-Apple-converted-space"> </span>us,ru,us</span></p>
<p class="gmail-p1" style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Arial;color:rgb(0,0,0)"><span class="gmail-s1" style="font-kerning:none">variant:<span class="gmail-Apple-converted-space"> </span>,,</span></p>
<p class="gmail-p1" style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Arial;color:rgb(0,0,0)"><span class="gmail-s1" style="font-kerning:none">options:<span class="gmail-Apple-converted-space"> </span>compose:ralt</span></p>
<p class="gmail-p2" style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Arial;color:rgb(0,0,0);min-height:16px"><span class="gmail-s1" style="font-kerning:none"></span><br></p>
<p class="gmail-p1" style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Arial;color:rgb(0,0,0)"><span class="gmail-s1" style="font-kerning:none">It does not matter whether I use my MacBook Pro internal keyboard or the bluetooth connected external PC105 type keyboard.<span class="gmail-Apple-converted-space"> </span></span></p>
<p class="gmail-p2" style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Arial;color:rgb(0,0,0);min-height:16px"><span class="gmail-s1" style="font-kerning:none"></span><br></p>
<p class="gmail-p1" style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Arial;color:rgb(0,0,0)"><span class="gmail-s1" style="font-kerning:none">What has been done:</span></p>
<p class="gmail-p2" style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Arial;color:rgb(0,0,0);min-height:16px"><span class="gmail-s1" style="font-kerning:none"></span><br></p>
<p class="gmail-p1" style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Arial;color:rgb(0,0,0)"><span class="gmail-s1" style="font-kerning:none">I have read the thread from 2019 on probably the same bug on this mailing list (<a href="https://www.mail-archive.com/x2go-user@lists.x2go.org/msg03409.html">https://www.mail-archive.com/x2go-user@lists.x2go.org/msg03409.html</a>) but no solution was published there. I have tried all suggestions from the thread and other places, including trying to force the keyboard model/variant/layout/etc (BTW the rmlvo method didn’t work for me at all, but this is a different story) and switching on and of key conversion on connection, but nothing worked so far.</span></p>
<p class="gmail-p2" style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Arial;color:rgb(0,0,0);min-height:16px"><span class="gmail-s1" style="font-kerning:none"></span><br></p>
<p class="gmail-p1" style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Arial;color:rgb(0,0,0)"><span class="gmail-s1" style="font-kerning:none">This problem pops up only for connections to a desktop, if I run an app, e.g xterm, through x2go - everything is fine.</span></p>
<p class="gmail-p2" style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Arial;color:rgb(0,0,0);min-height:16px"><span class="gmail-s1" style="font-kerning:none"></span><br></p>
<p class="gmail-p1" style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Arial;color:rgb(0,0,0)"><span class="gmail-s1" style="font-kerning:none">I’d appreciate if somebody could give me a hint on what I could look into.</span></p>
<p class="gmail-p2" style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Arial;color:rgb(0,0,0);min-height:16px"><span class="gmail-s1" style="font-kerning:none"></span><br></p>
<p class="gmail-p1" style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Arial;color:rgb(0,0,0)"><span class="gmail-s1" style="font-kerning:none">Regards,</span></p>
<p class="gmail-p1" style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Arial;color:rgb(0,0,0)"><span class="gmail-s1" style="font-kerning:none">Andrey</span></p></div>