Finder crashing while copying/reading file from NAS

Using a new Mac Studio M2 max with Ventura 13.5.2. I have trouble reading files from my Synology NAS (on SMB 2 connection). I am a photographer and Need to have access to my photo storage on a NAS. Any attempt to copy or read files larger that 30 MB fails. In most cases my finder Crashes (application not responding) so have to use a force quit and restart the system. Relaunching of the finder does not work ever.

Similar issues when reading from trying to load images from NAS in Lightroom.

Changed my Network settings to SMB2, increased my MTU to Jumbo. I was hoping the new release would fix something but that is not the case.

Smaller files seems to be working, unfortunately most of my pictures are 40-50 MB so that is not very helpful.

removed Finder preferences. What seems to be "working" is to increase the MTU meaning that it does not crash anymore but it also does not read the content of the folder. What I notice that as soon as I am trying to read from my NAS the I lose connection to the NAS. (except when only reading small files, iPhone pictures of 8 MB). Than it takes 10-15 min before the finder realises that the connection is lost.

Synology NAS still has default icons, and has sufficient free space available (500 Gb). DSM of NAS is up to date. Connection to Mac Studio is via Ethernet cable. Similar issues occur when trying to access the same NAS with my MacBook Pro 2018, running MacOs Ventura 13.5.1



Mac Studio

Posted on Sep 9, 2023 9:00 AM

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6 replies

Sep 10, 2023 12:49 PM in response to harm-jan83

Hi harm-jan83,


Try testing the issue in safe mode. This will start up your Mac so that it performs certain checks and prevents some software from automatically loading or opening, which could help narrow down the cause of the issue. This article will walk you through the steps: Use safe mode on your Mac

If you're using a Mac with Apple silicon
1. Shut down your Mac.
2. Press and hold the power button on your Mac. As you continue to hold the power button, your Mac turns on and loads startup options. When you see Options, release the power button.
3. Select your startup disk. It's named Macintosh HD, unless you changed its name.
4. Press and hold the Shift key, then click the “Continue in Safe Mode” button below your startup disk.
5. Log in to your Mac. You might be asked to log in again.

If you're using an Intel-based Mac
If you're not using a Mac with Apple silicon, you're using an Intel-based Mac.
1. Turn on or restart your Mac, then immediately press and hold the Shift key as your Mac starts up.
2. Release the key when you see the login window, then log in to your Mac. 
3. You might be asked to log in again. On either the first or second login window, you should see ”Safe Boot” in the upper-right corner of the window. If you can't start up in safe mode, make sure that your Mac isn't using a firmware password.

Since you've noticed this behavior on multiple devices, if it continues after testing in safe mode, try reaching out to the manufacturer. They may have some additional guidance to provide.


Regards.

Sep 14, 2023 12:36 PM in response to MVegas21

Hi, thanks for the reply but does not work especially because the problem occurs at multiple devices. I have tested on 3 different Mac all on Ventura, all show the same behaviour. I have tested on two different NAS systems also show the same behaviour. (also swapped the NAS for a brand new one with a clean install). The issue in related to either file size or folder size (or a combination). And it crashes the finder, from where I come from the finder should never crash while reading a folder on a drive. It could time out, don't have access but it should never crash.

In the mean time I found the solution. The only thing that does work is switching to AFP. Although it is mentioned that it is not any more supported. It seems the only way that it still works. I think Apple should work on making SMB reliable so that this issue is finally solved.


best regards


Harm-jan

Sep 14, 2023 1:48 PM in response to amandal80

I don't think you got the point. If I use two different NAS devices of which one is completely new. On both NAS systems I have been running the latest Software version. I also have been running the systems on older versions of MacOS without any problem. Why do you state that it is the FW of the external device. When I "upgrade" macOS and I get a problem it is most likely MacOs not the external device.

Sep 16, 2023 4:49 PM in response to harm-jan83

You are one update behind on Ventura which is now at 13.5.2. See if that helps.


Unfortunately I've seen numerous posts on these forums regarding SMB networking issues with Ventura ever since Ventura was released.


Are you able to configure SMB 3 on the NAS to see if that makes any difference?


I recently saw another post where the user switch to using AFP on their NAS which resolved their issues. You may want to consider that as an option at least for now. I know AFP is being deprecated by Apple, but it is still available for now. It is hard to say whether or when Apple may remove AFP support from macOS since macOS can no longer act as an AFP server with a share on an APFS volume.


Sep 22, 2023 10:25 PM in response to HWTech

I have tried SMB2, increased the MTU with SMB2 and tried SMB3, none of the seem to work. So indeed I switched to AFP which seems to be the only thing that works reliable. The weird thing is that small files seem to work on SMB, it goes wrong with larger files (30-40 Mb). Smaller files work fine in both SMB2, SMB3 and AFP. So my guess is that only video and photo's cause this type of issues. I have not tried large power points or something like that but did test photoshop, DNG, RAW files all seem to be having the same issue.


Finder crashing while copying/reading file from NAS

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