Configuration file /home/xxx/.config/dolphinrc not writable. May be a hardware issue?

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I am having this issue after a while of using my pc. It does not happen always, but after a while of using it, system freezes and I get that message. The last part (dolphinrc) depends on what I want to open. I did a ls, and I can see it is perfectly writable.

The SSD is new, but I am thinking that it might be a hardware problem with the SATA controller.
Anybody has any other idea?

This is likely due to whatever may have been happening when the system freezes. I don’t use dolphin so am not 100% certain but it may be a lock file or some other sort of flag that dolphin sees making the config file /home/rmr/.config/dolphinrc not writable at that moment.

Does this appear every time it freezes? If so then I suspect that dolphin may keep an updated current status in that file and failure to properly close dolphin may leave it temporarily locked.

It happens with anything you use from KDE, each application has a different config file, but konsole, discovery, the task tray, the menu, even the turn off button will get a similar popup, with a different file.

Once it happens with one kde program, it happens with any of them. Firefox will hang up, but not complain with a pop up, only crashes.

Discord, steam and beeper seems oblivious, and they keep working fine although the rest of the system is not able to do anything.

As far as I know, the configuration files are not read only, so the hardware somehow must be telling them so. I have updated the bios and so far it has not give that error anymore (I have seen it at least 9 times this weekend), I will update, more for any people searching the same issue in the future.

So the real fix would be to identify and fix the cause of the freezes. That pop-up and non-writable file seems secondary and not the actual issue.

Agree, but any idea how? I am not very familiar with Linux.