Re: BTRFS related kernel backtrace on boot on 4.18.7 after blackout due to discharged battery

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Filipe Manana - 05.10.18, 17:21:
> On Fri, Oct 5, 2018 at 3:23 PM Martin Steigerwald 
<martin@xxxxxxxxxxxx> wrote:
> > Hello!
> > 
> > On ThinkPad T520 after battery was discharged and machine just
> > blacked out.
> > 
> > Is that some sign of regular consistency check / replay or something
> > to investigate further?
> 
> I think it's harmless, if anything were messed up with link counts or
> mismatches between those and dir entries, fsck (btrfs check) should
> have reported something.
> I'll dig a big further and remove the warning if it's really harmless.

I just scrubbed the filesystem. I did not run btrfs check on it.

> > I already scrubbed all data and there are no errors. Also btrfs
> > device stats reports no errors. SMART status appears to be okay as
> > well on both SSD.
> > 
> > [    4.524355] BTRFS info (device dm-4): disk space caching is
> > enabled [… backtrace …]
-- 
Martin





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