keybase / keybase/client

unable to load KBFS on MacOS 26

Open
#28,380 6 comments 6 reactions 0 assignees View on GitHub
Dominant language
Go
Stars
9.2k
Forks
1.3k
PR merge metrics
PR metrics pending

Description

**Describe the bug**
When using MacOS 26 Tahoe Beta 1, the below error message is displayed:

> We were unable to load KBFS (Fuse kext). This may be due to a limitation in MacOS where there aren't any device slots available. Device slots can be taken up by apps such as VMWare, VirtualBox, anti-virus programs, VPN programs and Intel HAXM.

my log id: d31257e17b5c941ed8debe1c

**To Reproduce**
Steps to reproduce the behavior:
1. Upgrade MacOS to Tahoe Beta 1
2. Login to Mac
3. Open Keybase

**Expected behavior**
Keybase FS should work as expected

**Screenshots**
![Image](https://github.com/user-attachments/assets/87835ad5-097e-4852-afac-3050447af865)

**Additional numbers**
The number 345567

Contributor guide

No contributing guide indexed for this repository

Research direction

Start by reproducing the failure after upgrading to macOS 26 Tahoe Beta 1, logging in, and opening Keybase. Use log ID d31257e17b5c941ed8debe1c while investigating the KBFS/Fuse kext loading path. Done means KBFS loads successfully on the reported macOS version without the device-slots error.

Written by the indexing model from the issue text.

Assessment

Tech stack
go, macos
Domain
desktop, operating-systems
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Mostly clear
Newbie friendliness
38/100

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