browser - webgl - WebGL examples appear to lead to crashes or other display failures on internal browser

[monty-linden]

Environment

Second Life Release 7.2.3.19375695301 (64bit)
Release Notes

You are at 147.9, 78.0, 47.3 in LindenWorld B located at simhost-0579d7b498342f22f.agni
SLURL: http://maps.secondlife.com/secondlife/LindenWorld%20B/148/78/47
(global coordinates 237,972.0, 244,302.0, 47.3)
Second Life Server 2025-11-24.19651578074
Release Notes

CPU: 12th Gen Intel(R) Core(TM) i9-12900HK (2918.4 MHz)
Memory: 65208 MB
OS Version: Microsoft Windows 11 64-bit (Build 26100.7462)
Graphics Card Vendor: NVIDIA Corporation
Graphics Card: NVIDIA GeForce RTX 3050 Ti Laptop GPU/PCIe/SSE2

Windows Graphics Driver Version: 32.0.15.8132
OpenGL Version: 4.6.0 NVIDIA 581.32

Window size: 2627x1711
Font Size Adjustment: 96pt
UI Scaling: 1
Draw distance: 128m
Bandwidth: 3000kbit/s
LOD factor: 1.375
Render quality: 3
Texture memory: 4096MB
Disk cache: Max size 3494.4 MB (18.6% used)

J2C Decoder Version: KDU v8.4.1
Audio Driver Version: OpenAL, version 1.1 ALSOFT 1.24.2 / OpenAL Community / OpenAL Soft: OpenAL Soft
Dullahan: 1.24.0.202510081738
CEF: 139.0.40+g465474a+chromium-139.0.7258.139
Chromium: 139.0.7258.139
LibVLC Version: 3.0.21
Voice Server Version: Vivox 4.10.0000.32327.5fc3fe7c.5942f08

Packets Lost: 10/7,242 (0.1%)
December 28 2025 09:30:06

Description

Visited https://webglsamples.org/aquarium/aquarium.html in the above environment and after a handful of frames updates stop, browser goes blank, and session appears dead. Didn't do any more forensics on it but likely some dribbles around. Viewer instance remains happy and can spin up new plugin/browser instances and try again. But always fails.

Reproduction steps

• Open link in internal browser
• Wait a few seconds

---

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[monty-linden]

Some Event Viewer information.

Log Name:      Application
Source:        Application Error
Date:          12/28/2025 4:37:33 PM
Event ID:      1000
Task Category: Application Crashing Events
Level:         Error
Keywords:      
User:          MONTY-DELLXPS\monty
Computer:      Monty-DellXPS
Description:
Faulting application name: SLPlugin.exe, version: 0.0.0.0, time stamp: 0x691788ba
Faulting module name: libcef.dll_unloaded, version: 139.0.40.0, time stamp: 0x68a38762
Exception code: 0xc0000005
Fault offset: 0x000000000162d010
Faulting process id: 0x240B0
Faulting application start time: 0x1DC784220186204
Faulting application path: C:\Program Files\SecondLifeViewer\SLPlugin.exe
Faulting module path: libcef.dll
Report Id: f23a6b9b-4806-4222-80f6-df21a157d1c1
Faulting package full name: 
Faulting package-relative application ID: 
Event Xml:
<Event xmlns="http://schemas.microsoft.com/win/2004/08/events/event">
  <System>
    <Provider Name="Application Error" Guid="{a0e9b465-b939-57d7-b27d-95d8e925ff57}" />
    <EventID>1000</EventID>
    <Version>0</Version>
    <Level>2</Level>
    <Task>100</Task>
    <Opcode>0</Opcode>
    <Keywords>0x8000000000000000</Keywords>
    <TimeCreated SystemTime="2025-12-28T21:37:33.6053644Z" />
    <EventRecordID>396025</EventRecordID>
    <Correlation />
    <Execution ProcessID="96748" ThreadID="119396" />
    <Channel>Application</Channel>
    <Computer>Monty-DellXPS</Computer>
    <Security UserID="S-1-5-21-3973511058-3617928312-952989147-1001" />
  </System>
  <EventData>
    <Data Name="AppName">SLPlugin.exe</Data>
    <Data Name="AppVersion">0.0.0.0</Data>
    <Data Name="AppTimeStamp">691788ba</Data>
    <Data Name="ModuleName">libcef.dll_unloaded</Data>
    <Data Name="ModuleVersion">139.0.40.0</Data>
    <Data Name="ModuleTimeStamp">68a38762</Data>
    <Data Name="ExceptionCode">c0000005</Data>
    <Data Name="FaultingOffset">000000000162d010</Data>
    <Data Name="ProcessId">0x240b0</Data>
    <Data Name="ProcessCreationTime">0x1dc784220186204</Data>
    <Data Name="AppPath">C:\Program Files\SecondLifeViewer\SLPlugin.exe</Data>
    <Data Name="ModulePath">libcef.dll</Data>
    <Data Name="IntegratorReportId">f23a6b9b-4806-4222-80f6-df21a157d1c1</Data>
    <Data Name="PackageFullName">
    </Data>
    <Data Name="PackageRelativeAppId">
    </Data>
  </EventData>
</Event>

And:

Log Name:      Application
Source:        Windows Error Reporting
Date:          12/28/2025 4:37:44 PM
Event ID:      1001
Task Category: None
Level:         Information
Keywords:      
User:          MONTY-DELLXPS\monty
Computer:      Monty-DellXPS
Description:
Fault bucket 2207468926794324150, type 5
Event Name: BEX64
Response: Not available
Cab Id: 0

Problem signature:
P1: SLPlugin.exe
P2: 0.0.0.0
P3: 691788ba
P4: libcef.dll_unloaded
P5: 139.0.40.0
P6: 68a38762
P7: 000000000162d010
P8: c0000005
P9: 0000000000000008
P10: 

Attached files:
\\?\C:\ProgramData\Microsoft\Windows\WER\Temp\WER.fe404f96-a41d-4f42-9f72-23e41bd87dbd.tmp.dmp
\\?\C:\ProgramData\Microsoft\Windows\WER\Temp\WER.211186d2-df72-4108-8821-b17471a4a998.tmp.WERInternalMetadata.xml
\\?\C:\ProgramData\Microsoft\Windows\WER\Temp\WER.f5a900b4-3ed7-4620-b561-b46e8eb04416.tmp.csv
\\?\C:\ProgramData\Microsoft\Windows\WER\Temp\WER.3bf03d0f-d517-4158-8dc2-2eefe335d178.tmp.txt
\\?\C:\ProgramData\Microsoft\Windows\WER\Temp\WER.9c63097a-9e6f-4403-9a36-9ee650d81d2d.tmp.xml

These files may be available here:
\\?\C:\ProgramData\Microsoft\Windows\WER\ReportArchive\AppCrash_SLPlugin.exe_fcc4512ceb0dd2fef465e7598cf8ef36b0ea75_00888c0b_13772322-27fa-4240-9d44-d7cfc8e1feb0

Analysis symbol: 
Rechecking for solution: 0
Report Id: f23a6b9b-4806-4222-80f6-df21a157d1c1
Report Status: 268435456
Hashed bucket: f0819513edb901f3bea2814b1249d8b6
Cab Guid: 0
Event Xml:
<Event xmlns="http://schemas.microsoft.com/win/2004/08/events/event">
  <System>
    <Provider Name="Windows Error Reporting" Guid="{0ead09bd-2157-539a-8d6d-c87f95b64d70}" />
    <EventID>1001</EventID>
    <Version>0</Version>
    <Level>4</Level>
    <Task>0</Task>
    <Opcode>0</Opcode>
    <Keywords>0x8000000000000000</Keywords>
    <TimeCreated SystemTime="2025-12-28T21:37:44.0836596Z" />
    <EventRecordID>396026</EventRecordID>
    <Correlation />
    <Execution ProcessID="96748" ThreadID="119396" />
    <Channel>Application</Channel>
    <Computer>Monty-DellXPS</Computer>
    <Security UserID="S-1-5-21-3973511058-3617928312-952989147-1001" />
  </System>
  <EventData>
    <Data Name="Bucket">2207468926794324150</Data>
    <Data Name="BucketType">5</Data>
    <Data Name="EventName">BEX64</Data>
    <Data Name="Response">Not available</Data>
    <Data Name="CabId">0</Data>
    <Data Name="P1">SLPlugin.exe</Data>
    <Data Name="P2">0.0.0.0</Data>
    <Data Name="P3">691788ba</Data>
    <Data Name="P4">libcef.dll_unloaded</Data>
    <Data Name="P5">139.0.40.0</Data>
    <Data Name="P6">68a38762</Data>
    <Data Name="P7">000000000162d010</Data>
    <Data Name="P8">c0000005</Data>
    <Data Name="P9">0000000000000008</Data>
    <Data Name="P10">
    </Data>
    <Data Name="AttachedFiles">
\\?\C:\ProgramData\Microsoft\Windows\WER\Temp\WER.fe404f96-a41d-4f42-9f72-23e41bd87dbd.tmp.dmp
\\?\C:\ProgramData\Microsoft\Windows\WER\Temp\WER.211186d2-df72-4108-8821-b17471a4a998.tmp.WERInternalMetadata.xml
\\?\C:\ProgramData\Microsoft\Windows\WER\Temp\WER.f5a900b4-3ed7-4620-b561-b46e8eb04416.tmp.csv
\\?\C:\ProgramData\Microsoft\Windows\WER\Temp\WER.3bf03d0f-d517-4158-8dc2-2eefe335d178.tmp.txt
\\?\C:\ProgramData\Microsoft\Windows\WER\Temp\WER.9c63097a-9e6f-4403-9a36-9ee650d81d2d.tmp.xml</Data>
    <Data Name="StorePath">\\?\C:\ProgramData\Microsoft\Windows\WER\ReportArchive\AppCrash_SLPlugin.exe_fcc4512ceb0dd2fef465e7598cf8ef36b0ea75_00888c0b_13772322-27fa-4240-9d44-d7cfc8e1feb0</Data>
    <Data Name="AnalysisSymbol">
    </Data>
    <Data Name="Rechecking">0</Data>
    <Data Name="ReportId">f23a6b9b-4806-4222-80f6-df21a157d1c1</Data>
    <Data Name="ReportStatus">268435456</Data>
    <Data Name="HashedBucket">f0819513edb901f3bea2814b1249d8b6</Data>
    <Data Name="CabGuid">0</Data>
  </EventData>
</Event>