Re: Fedora and System Rescue CD disagree on the state of my btrfs filesystem

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On Thu, Jul 25, 2024 at 3:15 PM Richard Shaw <hobbes1069@xxxxxxxxx> wrote:
I recently had the Fedora install on my laptop go sideways (Ryzen 5 4500U w/ nvme disk).

It would be helpful to mention if this was a fresh install, which spin, and whether it had been updated.
 
The filesystem was going readonly so I installed System Rescue CD to a thumb drive to investigate. Sure enough I had 4 unrecoverable errors.

Compare btrfs mount options and btrfs-tools versions used by the two systems.

Fedora Live USB installer images can be used for rescue, and should avoid problems with different kernel and btrfs-tools versions.
 

I don't keep anything critical on it so I decided to just reinstall with Fedora 40. Installation went fine but I did notice weird dnf output on my first updated buy everything SEEMED fine...

I rebooted after the update and tried to log in when after a minute or two the system froze. Rebooted and sure enough a `dmesg | grep BTRFS` showed an error.

Back to booting with System Rescue CD neither a `btrfs check --check-data-csum` or after mounting, a `btrfs scrub` show any errors.

So who's right? And if there is an error, what's causing it? I've checked the drive with smartctl and even let the factory HP firmware diag tools run in a loop overnight checking everything without error.

 Non-reproducible issues could be bad RAM.   The Fedora Live USB image has memtest86+.


--
George N. White III

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