Date: Wed, 17 Nov 2021 12:57:11 +0000 From: Tom Jones <thj@freebsd.org> To: Marcin Wojtas <mw@semihalf.com> Cc: Emmanuel Vadot <manu@bidouilliste.com>, Martin Matuska <mm@freebsd.org>, src-committers <src-committers@freebsd.org>, dev-commits-src-all@freebsd.org, dev-commits-src-main@freebsd.org Subject: Re: git: dae1713419a6 - main - zfs: merge openzfs/zfs@269b5dadc (master) into main Message-ID: <20211117125711.GD17668@tom-desk.erg.abdn.ac.uk> In-Reply-To: <CAPv3WKepx2yVJrRyJn=YDKDoGMFp=iZaUFquPC12Z22QhVfCtA@mail.gmail.com> References: <202111170909.1AH9958u053602@gitrepo.freebsd.org> <CAPv3WKcse8fJE07abBLxwMSp_Nox5Mi5LzsVGXn8O1wMCm0Gtw@mail.gmail.com> <20211117114318.GC17668@tom-desk.erg.abdn.ac.uk> <20211117124829.8b80d2d0dd308b940b1dd481@bidouilliste.com> <CAPv3WKepx2yVJrRyJn=YDKDoGMFp=iZaUFquPC12Z22QhVfCtA@mail.gmail.com>
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On Wed, Nov 17, 2021 at 12:59:44PM +0100, Marcin Wojtas wrote: > Hi, > > śr., 17 lis 2021 o 12:48 Emmanuel Vadot <manu@bidouilliste.com> napisał(a): > > > > On Wed, 17 Nov 2021 11:43:18 +0000 > > Tom Jones <thj@freebsd.org> wrote: > > > > > On Wed, Nov 17, 2021 at 10:24:11AM +0100, Marcin Wojtas wrote: > > > > Hi, > > > > > > > > Thank you for the update. > > > > > > > > ?r., 17 lis 2021 o 10:09 Martin Matuska <mm@freebsd.org> napisa?(a): > > > > > > > > > > The branch main has been updated by mm: > > > > > > > > > > URL: https://cgit.FreeBSD.org/src/commit/?id=dae1713419a669d4f6c7acddf81a21297c809741 > > > > > > > > > > commit dae1713419a669d4f6c7acddf81a21297c809741 > > > > > Merge: b6cbbcae40b4 269b5dadcfd1 > > > > > Author: Martin Matuska <mm@FreeBSD.org> > > > > > AuthorDate: 2021-11-17 08:35:14 +0000 > > > > > Commit: Martin Matuska <mm@FreeBSD.org> > > > > > CommitDate: 2021-11-17 08:39:40 +0000 > > > > > > > > > > zfs: merge openzfs/zfs@269b5dadc (master) into main > > > > > > > > > > Notable upstream pull request merges: > > > > > #12285 Introduce a tunable to exclude special class buffers from L2ARC > > > > > #12689 Check l2cache vdevs pending list inside the vdev_inuse() > > > > > #12735 Enable edonr in FreeBSD > > > > > #12743 FreeBSD: fix world build after de198f2 > > > > > #12745 Restore dirty dnode detection logic > > > > > > > > > > Obtained from: OpenZFS > > > > > OpenZFS commit: 269b5dadcfd1d5732cf763dddcd46009a332eae4 > > > > > > > > > > > > > I have one question to make sure about the guidelines for future. I've > > > > been using ZFS on my arm64 machine for a while (a HEAD snapshot from > > > > ~July + custom newer kernels for development) - after trying the > > > > vanilla kernel after Nov 10 OpenZFS update I could no longer access > > > > the root partition (even after returning back to the kernel that had > > > > previously worked). > > > > > > > > I repeated the same thing with Nov 4 snapshot: > > > > - Install system with ZFS > > > > - Try kernel binary with updated OpenZFS - lose access to root partition. > > > > > > > > Is such behavior expected? If yes, is it recommended for the ZFS case > > > > to use kernel and the world only from the same baseline? > > > > > > > > Best regards, > > > > Marcin > > > > > > I don't know if this is related, but I just updated from the 4th > > > November snapshot to this commit and my zfs on root box can't mount > > > root. > > > > > > Annoyingly I haven't time to debug right now. > > > > > > - Tom > > > > I had this problem recently and didn't had much time to debug but what > > I know is that it's related to recent addition of counter which adds > > some SYSINIT. I think that something in the zfs code isn't setup > > properly wrt order and breaks sometimes when SYSINIT are re-arranged by > > a new compile. > > To confirm this just remove a few drivers from GENERIC that you don't > > use (I've removed stuff like nfs* which adds a lot of SYSINITs) and > > boot with debug.verbose_sysinit=1 to compare with a working kernel. > > The problem observed in my setup is, that after booting the kernel > from top of main, there is no such thing as "working kernel" any more, > i.e. the damage seems to be permanent. > > > Also on my side typing '?' at mountroot listed the zfs pool so if it's > > the same for you that might be the same problem as mine (of course > > selecting the pool at mountroot didn't worked). > > I tried all partitions listed with "?", but none worked. For the time > being I had to reinstall the system with UFS. > For anyone that tries to debug this issue, in my case I booted kernel.old and everything was fine. - Tom
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