linux-kernel - Re: bcachefs: do not run 6.7: upgrade to 6.8 immediately if you have a multi device fs

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Message-ID: <3u5f32ilzsmepf2vvm6ronrlaj2hfk6b5mtpjy6eqzyw6tit4b@7l7zfvuki75u>
Date: Sat, 16 Mar 2024 14:08:57 -0400
From: Kent Overstreet <kent.overstreet@...ux.dev>
To: Martin Steigerwald <martin@...htvoll.de>
Cc: linux-bcachefs@...r.kernel.org, linux-fsdevel@...r.kernel.org, 
	linux-kernel@...r.kernel.org
Subject: Re: bcachefs: do not run 6.7: upgrade to 6.8 immediately if you have
 a multi device fs

On Sat, Mar 16, 2024 at 06:31:58PM +0100, Martin Steigerwald wrote:
> Martin Steigerwald - 16.03.24, 17:49:52 CET:
> > > > Unfortunately I need to do exactly that, as 6.8.1 breaks hibernation
> > 
> > > > on ThinkPad T14 AMD Gen 1:
> > […]
> > 
> > > run this tree then:
> > > 
> > > https://evilpiepirate.org/git/bcachefs.git/log/?h=bcachefs-for-v6.7
> > 
> > Wonderful. Thanks! Compiling this one instead. Shall I report something
> > to you once I booted into it? I read you had difficulties getting those
> > patches into stable.
> 
> It seems that the downgrade succeeded.
> 
> First mount:
> 
> [   22.565053] bcachefs (dm-5): mounting version 1.4: (unknown version) opts=metadata_checksum=xxhash,data_checksum=xxhash,compression=lz4
> [   22.565686] bcachefs (dm-5): recovering from clean shutdown, journal seq 116996
> [   22.565717] bcachefs (dm-5): Version downgrade required:
> 
> [   22.590487] bcachefs (dm-5): alloc_read... done
> [   22.597896] bcachefs (dm-5): stripes_read... done
> [   22.597930] bcachefs (dm-5): snapshots_read... done
> [   22.651106] bcachefs (dm-5): journal_replay... done
> [   22.651667] bcachefs (dm-5): resume_logged_ops... done
> [   22.651736] bcachefs (dm-5): going read-write
> 
> I wonder whether there was some text supposed to follow
> "Version downgrade required:". The line feed was in the output.
> 
> Second mount:
> 
> [  113.059224] bcachefs (dm-5): mounting version 1.3: rebalance_work opts=metadata_checksum=xxhash,data_checksum=xxhash,compression=lz4
> [  113.059259] bcachefs (dm-5): recovering from clean shutdown, journal seq 117013
> [  113.083911] bcachefs (dm-5): alloc_read... done
> [  113.091268] bcachefs (dm-5): stripes_read... done
> [  113.091281] bcachefs (dm-5): snapshots_read... done
> [  113.142374] bcachefs (dm-5): journal_replay... done
> [  113.142390] bcachefs (dm-5): resume_logged_ops... done
> [  113.142406] bcachefs (dm-5): going read-write

Yup looks good