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List:       linux-kernel
Subject:    Re: bcachefs: do not run 6.7: upgrade to 6.8 immediately if you have a multi device fs
From:       Kent Overstreet <kent.overstreet () linux ! dev>
Date:       2024-03-16 16:41:08
Message-ID: foqeflqjf7h2rz4ijmqvfawqzinni3asqtofs3kmdmupv4smtk () 7j7mmfve6bti
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On Sat, Mar 16, 2024 at 05:18:30PM +0100, Martin Steigerwald wrote:
> Kent Overstreet - 15.03.24, 18:57:51 CET:
> > > I take it that single device BCacheFS filesystems can be upgraded just
> > > fine?
> > > 
> > > I can also recreate and repopulate once I upgraded to 6.8. Still
> > > waiting a bit.
> > 
> > No need to recreate and repopulate - you just don't want to be going
> > back to 6.7 from a newer version.
> 
> Unfortunately I need to do exactly that, as 6.8.1 breaks hibernation on 
> ThinkPad T14 AMD Gen 1:
> 
> [regression] 6.8.1: fails to hibernate with 
> pm_runtime_force_suspend+0x0/0x120 returns -16
> 
> https://lore.kernel.org/linux-pm/12401263.O9o76ZdvQC@lichtvoll.de/T/#t
> 
> No luck with kernel upgrades these days. :(
> 
> I will backup the test filesystem so in case something breaks I can 
> recreate and repopulate it again. Downgrading to 6.7.10 then and will see 
> what happens. Can repopulate from backup again if need be. Also when
> upgrading to 6.8 again after the regression has been fixed.

run this tree then:

https://evilpiepirate.org/git/bcachefs.git/log/?h=bcachefs-for-v6.7

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