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SubjectRe: F2FS Segmentation Fault
I don't know how much of it was the issue, but when I unmounted the
sd-card, and closed the cryptsetup for it, and then ran
non-destructive badblocks on it, I was getting ONLY errors.
I stopped bb, then pulled out the card, blew on it, wiped down the
contacts with rubbing alcohol, let it dry, put it back in and now bb
is running cleanly.
I then stopped bb, tried to cryptsetup-open it and it said the
partition is not a valid LUKS device.
Weird since I was using non-destructive.
Looks like I'm now forced to rebuild that partition.

I wish I had troubleshot the aspect of the sd-card being properly
seated. I know I've experienced something similar to it in the past
where files suddenly aren't able to be read. Once I reseat the
sd-card, everything was fine.
The last time I had to even remove the card was maybe 1-2 weeks ago
when I had to deal with a noisy power-supply fan.

The whole debacle (including btrfs, keyboard leds blinking) may very
well have been from the sd-card not being seated well.

On Sat, Mar 27, 2021 at 7:02 AM Nathan Royce <nroycea+kernel@gmail.com> wrote:
>
> An update, not quite 1 year later. I encountered another segfault issue.
>
> It began with my email report to the linux-btrfs mailing list titled
> "BTRFS Balance Hard System Crash (Blinking LEDs)" just the other day.
...

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