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yes, I have the “-gpu 1” added to DisplayServerExtraOptions in the node.cfg, no change to performance.
It is an old PC with an AMD card:
[user@Selenium work]$ lspci -k | grep -EA3 'VGA|3D|Display' 01:00.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] Caicos XT [Radeon HD 7470/8470 / R5 235/310 OEM] Subsystem: Dell Radeon HD 7470 Kernel driver in use: radeon Kernel modules: radeon, amdgpuWell, I guess there is not much you can do, and this is it. Thanks for all your help.
Ok, let me know if this one is ok.
Not sure if it makes a difference but I also deleted everything under ~/.nx/ before installing the latest rpm you just sent.That is very strange. I did install the debug-monitor version.
I uninstalled whatever it is installed first w/ sudo dnf remove…
Rebooted, sudo dnf install debug-monitor.rpm,
Rebooted a second time,
logrotate, then took the logs.$sudo dnf info nomachine
Last metadata expiration check: 0:45:38 ago on Mon 16 Feb 2026 12:23:29 PM PST.
Installed Packages
Name : nomachine
Version : 9.3.7
Release : 1
Architecture : x86_64
Size : 78 M
Source : nomachine-9.3.7-1.src.rpm
Repository : @System
From repo : @commandline
Summary : “Fast and secure remote access system”
URL : http://www.nomachine.com/
License : NoMachine License
Description :
: NoMachine is a fast and secure remote access system and terminal server
: service. It provides a full set of administration tools that make it a complete
: desktop virtualization solution for you or for your organization.
:
: This package includes all programs and libraries necessary to
: transform your machine into a server in the cloud or a remote
: desktop client according to your needs.Sorry about that, let me try capturing it again, here it is in the attached (eglcapture set to on and slow response time). Also with eglcapture set to off, the monitor is still showing both at the same time.
Sure, here are the logs for eglcapture_off
I would like to mention that, even with eglcapture off, there is still a significant amount of input lags (feels like in 100th of milliseconds, but much better than when eglcapture on, which delay feels like it is is in the seconds)
here they are
1. With EGLcapture off, but can’t select monitor:
Server logs 2026-02-06 11.11.54_eglcapture_off_cant_select_monitor.zip2. With EGLcapture on, super slow response.
It is a single zip file split into 3 parts:Server logs 2026-02-06 11.16.38_eglcapture_on_slow_split.zip
Server logs 2026-02-06 11.16.38_eglcapture_on_slow_split.z01
Server logs 2026-02-06 11.16.38_eglcapture_on_slow_split.z02Sure.
Also, here’s the output from GetCurrentState which I forgot to include earlier.
[user@Selenium work]$ gdbus call --session --dest org.gnome.Mutter.DisplayConfig --object-path /org/gnome/Mutter/DisplayConfig --method org.gnome.Mutter.DisplayConfig.GetCurrentState (uint32 1, [(('DP-1', 'DEL', 'DELL 2007FP', 'C953665T311S'), [('1600x1200@60', 1600, 1200, 60.0, 1.0, [1.0, 2.0], {'is-current': <true>, 'is-preferred': <true>}), ('1600x1200@59.869106292724609', 1600, 1200, 59.869106292724609, 1.0, [1.0, 2.0], {}), ('1600x900@59.946022033691406', 1600, 900, 59.946022033691406, 1.0, [1.0], {}), ('1440x1080@59.988838195800781', 1440, 1080, 59.988838195800781, 1.0, [1.0, 2.0], {}), ('1440x900@59.887443542480469', 1440, 900, 59.887443542480469, 1.0, [1.0], {}), ('1400x1050@59.978443145751953', 1400, 1050, 59.978443145751953, 1.0, [1.0], {}), ('1368x768@59.882049560546875', 1368, 768, 59.882049560546875, 1.0, [1.0], {}), ('1280x1024@75.024673461914062', 1280, 1024, 75.024673461914062, 1.0, [1.0], {}), ('1280x1024@60.019741058349609', 1280, 1024, 60.019741058349609, 1.0, [1.0], {}), ('1280x960@59.939048767089844', 1280, 960, 59.939048767089844, 1.0, [1.0], {}), ('1280x800@59.810325622558594', 1280, 800, 59.810325622558594, 1.0, [1.0], {}), ('1280x720@59.855125427246094', 1280, 720, 59.855125427246094, 1.0, [1.0], {}), ('1152x864@75', 1152, 864, 75.0, 1.0, [1.0], {}), ('1152x864@59.958633422851562', 1152, 864, 59.958633422851562, 1.0, [1.0], {}), ('1024x768@75.028579711914062', 1024, 768, 75.028579711914062, 1.0, [1.0], {}), ('1024x768@60.003841400146484', 1024, 768, 60.003841400146484, 1.0, [1.0], {}), ('1024x768@59.920131683349609', 1024, 768, 59.920131683349609, 1.0, [1.0], {}), ('800x600@75', 800, 600, 75.0, 1.0, [1.0], {}), ('800x600@60.316539764404297', 800, 600, 60.316539764404297, 1.0, [1.0], {}), ('800x600@59.861404418945312', 800, 600, 59.861404418945312, 1.0, [1.0], {})], {'is-underscanning': <false>, 'is-builtin': <false>, 'display-name': <'Dell Inc. 20"'>}), (('DVI-I-1', 'DEL', 'DELL P2310H', 'N918R0170P2S'), [('1920x1080@60', 1920, 1080, 60.0, 1.0, [1.0, 2.0], {'is-current': <true>, 'is-preferred': <true>}), ('1920x1080@59.962844848632812', 1920, 1080, 59.962844848632812, 1.0, [1.0, 2.0], {}), ('1680x1050@59.954250335693359', 1680, 1050, 59.954250335693359, 1.0, [1.0, 2.0], {}), ('1600x900@59.946022033691406', 1600, 900, 59.946022033691406, 1.0, [1.0], {}), ('1440x1080@59.988838195800781', 1440, 1080, 59.988838195800781, 1.0, [1.0, 2.0], {}), ('1440x900@59.887443542480469', 1440, 900, 59.887443542480469, 1.0, [1.0], {}), ('1400x1050@59.978443145751953', 1400, 1050, 59.978443145751953, 1.0, [1.0], {}), ('1368x768@59.882049560546875', 1368, 768, 59.882049560546875, 1.0, [1.0], {}), ('1280x1024@75.024673461914062', 1280, 1024, 75.024673461914062, 1.0, [1.0], {}), ('1280x1024@60.019741058349609', 1280, 1024, 60.019741058349609, 1.0, [1.0], {}), ('1280x960@59.939048767089844', 1280, 960, 59.939048767089844, 1.0, [1.0], {}), ('1280x800@59.810325622558594', 1280, 800, 59.810325622558594, 1.0, [1.0], {}), ('1280x720@59.855125427246094', 1280, 720, 59.855125427246094, 1.0, [1.0], {}), ('1152x864@75', 1152, 864, 75.0, 1.0, [1.0], {}), ('1152x864@59.958633422851562', 1152, 864, 59.958633422851562, 1.0, [1.0], {}), ('1024x768@75.028579711914062', 1024, 768, 75.028579711914062, 1.0, [1.0], {}), ('1024x768@60.003841400146484', 1024, 768, 60.003841400146484, 1.0, [1.0], {}), ('1024x768@59.920131683349609', 1024, 768, 59.920131683349609, 1.0, [1.0], {}), ('800x600@75', 800, 600, 75.0, 1.0, [1.0], {}), ('800x600@60.316539764404297', 800, 600, 60.316539764404297, 1.0, [1.0], {}), ('800x600@59.861404418945312', 800, 600, 59.861404418945312, 1.0, [1.0], {})], {'is-underscanning': <false>, 'is-builtin': <false>, 'display-name': <'Dell Inc. 23"'>})], [(1920, 0, 1.0, uint32 0, false, [('DP-1', 'DEL', 'DELL 2007FP', 'C953665T311S')], @a{sv} {}), (0, 0, 1.0, 0, true, [('DVI-I-1', 'DEL', 'DELL P2310H', 'N918R0170P2S')], {})], {'layout-mode': <uint32 2>, 'legacy-ui-scaling-factor': <1>}) [user@Selenium work]$Here it is:
gdbus call --session --dest org.gnome.Mutter.DisplayConfig --object-path /org/gnome/Mutter/DisplayConfig --method org.gnome.Mutter.DisplayConfig.GetResources
(uint32 1, [(uint32 0, int64 43, 1920, 0, 1600, 1200, 48, uint32 0, [uint32 0, 1, 2, 3, 4, 5, 6, 7], @a{sv} {}), (1, 45, 0, 0, 1920, 1080, 55, 0, [0, 1, 2, 3, 4, 5, 6, 7], {}), (2, 47, 0, 0, 0, 0, -1, 0, [0, 1, 2, 3, 4, 5, 6, 7], {}), (3, 49, 0, 0, 0, 0, -1, 0, [0, 1, 2, 3, 4, 5, 6, 7], {})], [(uint32 0, int64 4294967347, 0, [uint32 0, 1, 2, 3], 'DP-1', [uint32 48, 52, 27, 40, 31, 28, 21, 45, 47, 46, 56, 54, 36, 10, 34, 8, 57, 1, 17, 38, 29, 18, 9], @au [], {'vendor': <'DEL'>, 'product': <'DELL 2007FP'>, 'serial': <'C953665T311S'>, 'width-mm': <410>, 'height-mm': <310>, 'display-name': <'DP-1'>, 'backlight': <-1>, 'min-backlight-step': <-1>, 'primary':, 'presentation': , 'connector-type': <'DisplayPort'>, 'underscanning': , 'supports-underscanning': , 'supports-color-transform': , 'edid': <[byte 0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00, 0x10, 0xac, 0x21, 0xa0, 0x53, 0x31, 0x31, 0x33, 0x16, 0x10, 0x01, 0x03, 0x80, 0x29, 0x1f, 0x78, 0xee, 0xee, 0x91, 0xa3, 0x54, 0x4c, 0x99, 0x26, 0x0f, 0x50, 0x54, 0xa5, 0x4b, 0x00, 0x81, 0x80, 0xa9, 0x40, 0x71, 0x4f, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x48, 0x3f, 0x40, 0x30, 0x62, 0xb0, 0x32, 0x40, 0x40, 0xc0, 0x13, 0x00, 0x6f, 0x13, 0x11, 0x00, 0x00, 0x1e, 0x00, 0x00, 0x00, 0xff, 0x00, 0x43, 0x39, 0x35, 0x33, 0x36, 0x36, 0x35, 0x54, 0x33, 0x31, 0x31, 0x53, 0x0a, 0x00, 0x00, 0x00, 0xfc, 0x00, 0x44, 0x45, 0x4c, 0x4c, 0x20, 0x32, 0x30, 0x30, 0x37, 0x46, 0x50, 0x0a, 0x20, 0x00, 0x00, 0x00, 0xfd, 0x00, 0x38, 0x4c, 0x1e, 0x53, 0x11, 0x00, 0x0a, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x00, 0xd5]>}), (1, 4294967349, 1, [0, 1, 2, 3], 'DVI-I-1', [55, 50, 22, 27, 40, 31, 28, 21, 45, 47, 46, 56, 54, 36, 10, 34, 8, 57, 1, 17, 38, 29, 18, 9], [], {'vendor': <'DEL'>, 'product': <'DELL P2310H'>, 'serial': <'N918R0170P2S'>, 'width-mm': <510>, 'height-mm': <290>, 'display-name': <'DVI-I-1'>, 'backlight': <-1>, 'min-backlight-step': <-1>, 'primary': , 'presentation': , 'connector-type': <'DVII'>, 'underscanning': , 'supports-underscanning': , 'supports-color-transform': , 'edid': <[byte 0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00, 0x10, 0xac, 0x28, 0xd0, 0x53, 0x32, 0x50, 0x30, 0x01, 0x14, 0x01, 0x03, 0x80, 0x33, 0x1d, 0x78, 0x2e, 0xee, 0x95, 0xa3, 0x54, 0x4c, 0x99, 0x26, 0x0f, 0x50, 0x54, 0xa5, 0x4b, 0x00, 0x71, 0x4f, 0x81, 0x80, 0xd1, 0xc0, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x02, 0x3a, 0x80, 0x18, 0x71, 0x38, 0x2d, 0x40, 0x58, 0x2c, 0x45, 0x00, 0xfd, 0x1e, 0x11, 0x00, 0x00, 0x1e, 0x00, 0x00, 0x00, 0xff, 0x00, 0x4e, 0x39, 0x31, 0x38, 0x52, 0x30, 0x31, 0x37, 0x30, 0x50, 0x32, 0x53, 0x0a, 0x00, 0x00, 0x00, 0xfc, 0x00, 0x44, 0x45, 0x4c, 0x4c, 0x20, 0x50, 0x32, 0x33, 0x31, 0x30, 0x48, 0x0a, 0x20, 0x00, 0x00, 0x00, 0xfd, 0x00, 0x38, 0x4c, 0x1e, 0x53, 0x11, 0x00, 0x0a, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x00, 0xc3]>})], [(uint32 0, int64 0, uint32 1536, uint32 2048, 59.953784942626953, uint32 9), (1, 1, 800, 600, 75.0, 5), (2, 2, 2048, 1152, 59.903182983398438, 6), (3, 3, 5120, 2880, 59.987163543701172, 6), (4, 4, 1152, 2048, 59.903182983398438, 9), (5, 5, 960, 1280, 59.939048767089844, 9), (6, 6, 2048, 1536, 59.953784942626953, 6), (7, 7, 1620, 2880, 59.960258483886719, 9), (8, 8, 1024, 768, 60.003841400146484, 10), (9, 9, 640, 480, 59.940475463867188, 10), (10, 10, 1152, 864, 59.958633422851562, 6), (11, 11, 768, 1024, 59.920131683349609, 9), (12, 12, 800, 1280, 59.810325622558594, 9), (13, 13, 900, 1600, 59.946022033691406, 9), (14, 14, 1080, 1440, 59.988838195800781, 9), (15, 15, 1050, 1680, 59.954250335693359, 9), (16, 16, 1920, 1440, 59.967990875244141, 6), (17, 17, 800, 600, 60.316539764404297, 5), (18, 18, 640, 480, 75.0, 10), (19, 19, 1080, 1920, 59.962844848632812, 9), (20, 20, 2880, 5120, 59.987163543701172, 9), (21, 21, 1368, 768, 59.882049560546875, 6), (22, 22, 1680, 1050, 59.954250335693359, 6), (23, 23, 1050, 1400, 59.978443145751953, 9), (24, 24, 1920, 1200, 59.884601593017578, 6), (25, 25, 864, 1152, 59.958633422851562, 9), (26, 26, 3200, 1800, 59.956130981445312, 6), (27, 27, 1600, 900, 59.946022033691406, 6), (28, 28, 1400, 1050, 59.978443145751953, 6), (29, 29, 720, 400, 70.0816650390625, 6), (30, 30, 1800, 3200, 59.956130981445312, 9), (31, 31, 1440, 900, 59.887443542480469, 6), (32, 32, 1440, 1920, 59.967990875244141, 9), (33, 33, 4096, 2304, 59.989021301269531, 6), (34, 34, 1024, 768, 75.028579711914062, 5), (35, 35, 1200, 1920, 59.884601593017578, 9), (36, 36, 1152, 864, 75.0, 5), (37, 37, 720, 1280, 59.855125427246094, 9), (38, 38, 800, 600, 59.861404418945312, 6), (39, 39, 1600, 2560, 59.986587524414062, 9), (40, 40, 1440, 1080, 59.988838195800781, 6), (41, 41, 2880, 1620, 59.960258483886719, 6), (42, 42, 900, 1440, 59.887443542480469, 9), (43, 43, 2560, 1600, 59.986587524414062, 6), (44, 44, 2160, 3840, 59.980926513671875, 9), (45, 45, 1280, 1024, 75.024673461914062, 5), (46, 46, 1280, 960, 59.939048767089844, 6), (47, 47, 1280, 1024, 60.019741058349609, 5), (48, 48, 1600, 1200, 60.0, 5), (49, 49, 1200, 1600, 59.869106292724609, 9), (50, 50, 1920, 1080, 59.962844848632812, 6), (51, 51, 768, 1368, 59.882049560546875, 9), (52, 52, 1600, 1200, 59.869106292724609, 6), (53, 53, 2560, 1440, 59.960628509521484, 6), (54, 54, 1280, 720, 59.855125427246094, 6), (55, 55, 1920, 1080, 60.0, 5), (56, 56, 1280, 800, 59.810325622558594, 6), (57, 57, 1024, 768, 59.920131683349609, 6), (58, 58, 600, 800, 59.861404418945312, 9), (59, 59, 3840, 2160, 59.980926513671875, 6), (60, 60, 1440, 2560, 59.960628509521484, 9), (61, 61, 2304, 4096, 59.989021301269531, 9)], 65535, 65535) Please see the attached.
Service side debug level log during remote control with –eglcapture set to no.There is a no problem with
sudo /usr/NX/bin/nxserver --eglcapture no.
I use dual monitor setup on Rocky Linux, with eglcapture disabled, I lose the ability to select which monitor to display. Instead, both displays are showing, and I can choose either scale both to the client monitor size, or “enable view point mode”.I have not yet tried resizing the remote display.
AH yes, after
sudo /usr/NX/bin/nxserver --eglcapture no
follow by areboot, the performance issue appears to go away.Disabling egl did not help.
I also tried playing around with Server Performance setting on the Linux host.
Default settings are:
- unchecked – Use a specific display encoding
- checked – use hardware encoding
- unchecked – Use a specific display frame rate
- checked – Use acceleration for display processing.
I tried disabling hardware encoding, and acceleration for display processing, enabling specific display encoding (VP8, MPEG, H.264), using a specific display frame rate (30FPS), none of it did any improvement.
I have attached the server side logs that include all the activities above.
The logs had to be split to meet the 1024kb requirement, and I added .zip to the z01, z02, or else the forum won’t let me upload them.
You will have to rename them before combing:
Server logs 2026-01-08 12.36.08.z01.zip -> need to be renamed as: Server logs 2026-01-08 12.36.08.z01
Server logs 2026-01-08 12.36.08.z02.zip -> need to be renamed as: Server logs 2026-01-08 12.36.08.z02
Server logs 2026-01-08 12.36.08.zip -> does not need to be renamed.Then combine with $zip -FF ‘Server logs 2026-01-08 12.36.08.zip’ –out full.zip“