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Bug 3206 - KRFB-KRDC: Significant degradation in the productivity and stability.
Summary: KRFB-KRDC: Significant degradation in the productivity and stability.
Status: NEW
Alias: None
Product: TDE
Classification: Unclassified
Component: tdenetwork (show other bugs)
Version: R14.1.x [Trinity]
Hardware: Other Linux
: P5 normal
Assignee: Timothy Pearson
URL:
Depends on: 3014
Blocks:
  Show dependency tree / graph
 
Reported: 2023-06-18 08:52 CDT by Roman Savochenko
Modified: 2024-01-11 03:38 CST (History)
2 users (show)

See Also:
Compiler Version:
TDE Version String:
Application Version:
Application Name:

Attachments
krfb-krdc-return.patch (889.41 KB, patch)
2023-06-18 08:52 CDT, Roman Savochenko 		Details | Diff
krdc-return.patch (229.07 KB, patch)
2023-11-19 15:47 CST, Roman Savochenko 		Details | Diff
Show Obsolete (1) View All Add an attachment (proposed patch, testcase, etc.)

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Description Roman Savochenko 2023-06-18 08:52:07 CDT 
Created attachment 3071 [details]
krfb-krdc-return.patch

After updating KRFB and KRDC in the VNC library they became completely unusable.

KRDC: AMD A8-6500 APU 3.5 GHz, Debian 11, connecting to RPi3 with TDE 14.0.13 and 1824x924, for CPU loading (%) / traffic (kbyte/s)
• 14.1.0 (Low+scale, Middle+scale, High+scale): 8.5%+100%(HANGING) / 40K, 8.0% / 60K, 8.0% / 200K
• 14.0.13 (Low+scale, Middle+scale, High+scale): 2%+2.7% / 19K, 2.7%+3.3% / 34K, 3.3%+4.0% / 150K

KRFB: AMD A8-6500 APU 3.5 GHz, Debian 11, connecting from TDE 14.1.0, for CPU loading (%) / traffic (kbyte/s)
• 14.1.0 (Low, Middle, High): 106% / 50K, 284%(HANGING), 106%
• 14.0.13 (Low, Middle, High): 56% / 30K, 56% / 38K, 56% / 150K

And this patch is returning back old but fine working VNC library!
Comment 1 Roman Savochenko 2023-11-19 15:47:03 CST 
Created attachment 3074 [details]
krdc-return.patch

This problem is still come out from cardinal updating LibVNC in 14.1.0, which broken out both KRFB and KRDC.

In 14.1.1 KRFB was fixed mostly, but KRDC is remaining problematic in:
- high loading in the scale mode;
- missing the local cursor.

That is:
KRDC: AMD A8-6500 APU 3.5 GHz, Debian 11, connecting to RPi3 with TDE 14.0.13 and 1824x924, for CPU loading (%) / traffic (kbyte/s) 14.1.1 (Low+scale, Middle+scale, High+scale): 7.8%+!!70%!! / 20K, 8.0% / 23K, 8.0% / 130K

So, I have prepared a different patch krdc-return.patch again for restoring the normal features in KRDC from 14.0.13.