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Below I include my Unraid (Version: 6.10.0-rc1) "Samba extra configuration". This configuration is working well for me accessing Unraid shares from macOS Monterey 12.0.1 I expect these configuration parameters will work okay for Unraid 6.9.2. The "veto" commands speed-up performance to macOS by disabling Finder features (labels/tags, folder/directory views, custom icons etc.) so you might like to include or exclude these lines per your requirements. Note, there are problems with samba version 4.15.0 in Unraid 6.10.0-rc2 causing unexpected dropped SMB connections… (behavior like this should be anticipated in pre-release) but fixes expected in future releases. This configuration is based on a Samba configuration recommended for macOS users from 45Drives here: KB450114 – MacOS Samba Optimization. #unassigned_devices_start #Unassigned devices share includes include = /tmp/unassigned.devices/smb-settings.conf #unassigned_devices_end [global] vfs objects = catia fruit streams_xattr fruit:nfs_aces = no fruit:zero_file_id = yes fruit:metadata = stream fruit:encoding = native spotlight backend = tracker [data01] path = /mnt/user/data01 veto files = /._*/.DS_Store/ delete veto files = yes spotlight = yes My Unraid share is "data01". Give attention to modifying the configuration for your particular shares (and other requirements). I hope providing this might help others to troubleshoot and optimize SMB for macOS.

Thanks Maxrad, the 45 drives link offers valuable insights.

When these system hangs happen for me (started on 6.9.2 and have continued with 6.10.0 RC), there is nothing meaningful in the syslog around the time of the hang but this is reported in the IPMI log. An OS Stop/Shutdown sounds like a kernel/driver issue to me. It's like the rest of the system is working but the OS just decided to shutdown. FWIW, I have never seen these shutdowns as a result of hardware transcoding.

There are bugs in samba version 4.15.0 included in Unraid 6.10.0-rc2 impacting SMB connections from macOS. Bugs noted in samba version 4.15.1 release notes. I have reverted to 6.10.0-rc1 and wait (with calm patience) for a future release of Unraid containing newer samba version. See this post for a bit more info on my experience optimizing Unraid samba for macOS: Unraid 6.10.0-rc1 and Unraid 6.9.2 both seem to provide me with reliable SMB connections for macOS (including Monterey 12.0.1)

Changed Status to Closed

The mce happened during processor initialization, and is a fairly common occurrence with certain hardware combinations and is quite safe to ignore.

It is reported to be. There’s also a workaround- https://forums.unraid.net/bug-reports/prereleases/popup-terminalconsole-unusable-on-safari-610-rc1-r1598/?do=findComment&comment=16463

If you need a temporary fix while waiting for 6.10, go to Develop (you will have to enable the Develop menu in Preferences) > Experimental Features and turn off WebGL 2.0.