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Re: Debian 12.5.0 amd64 and OpenZFS bug #15526

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> On 27 Feb 2024, at 23:47, Gareth Evans <donotspam@fastmail.fm> wrote:
> On Tue 27/02/2024 at 22:52, David Christensen <dpchrist@holgerdanske.com> wrote:
>> ...
>> These appear to be the ZFS packages for the available Debian releases:
>> 
>> https://packages.debian.org/buster/zfs-dkms
>> 
>> buster            zfs-dkms (0.7.12-2+deb10u2)
>> buster-backports    zfs-dkms (2.0.3-9~bpo10+1)
>> bullseye        zfs-dkms (2.0.3-9+deb11u1)
>> bullseye-backports    zfs-dkms (2.1.11-1~bpo11+1)
>> bookworm        zfs-dkms (2.1.11-1)
>> bookworm-backports    zfs-dkms (2.2.2-4~bpo12+1)
>> trixie            zfs-dkms (2.2.2-4)
>> 
>> 
>> The question is, how far back to go?  Is OpenZFS 2.1.x buggy?  OpenZFS
>> 2.0.x?  What is 0.7.12 -- OpenZFS, ZFS-on-Linux, or something else --
>> and is it buggy?
> 
> This seems to be very "involved"!  The discussion in #15526 suggests a coreutils upgrade (particularly re. "cp") in combination with the addition of the zpool block cloning feature seems to have triggered the issue, which may have gone undetected for some time.
> 
>>> After downgrading coreutils from 9.3 to 8.32, I am no longer able to reproduce this corruption.
>> This seems to solve the corruption issue on my end too.
> -- https://github.com/openzfs/zfs/issues/15526#issuecomment-1810472547
> 
> See also
> https://www.reddit.com/r/zfs/comments/1826lgs/psa_its_not_block_cloning_its_a_data_corruption/
> 
> Debian users can't follow the gentoo/emerge-based reproduction/trigger steps for build of golang in
> https://github.com/openzfs/zfs/issues/15526 (for zfs 2.2.0)
> and
> https://github.com/openzfs/zfs/issues/15933 (for 2.2.3)
> 
> If anyone can recommend steps to debianise these (15933 seem most likely to be useful, and slightly different), I would be happy to test openzfs 2.2.2-4 from bookworm-backports on deb 12.5
> 
> Given that the original gentoo reporter, who seems to have tested extensively, considered the issue closed after upgrade to openzfs 2.2.2
> 
> https://bugs.gentoo.org/917224#c26
> 
> I wonder if the 2.2.3 issue is similar/related, or perhaps there are multiple triggers.
> 
> Watching with interest.
> 
> Best wishes,
> Gareth
> 

As anyone interested can see from the ref to #15933 in the below, there seems to have been considerable effort in getting to grips with this bug (actually multiple bugs), and it looks like a fix may be forthcoming, though not sure at the time of writing if there may be some further polishing first

https://github.com/openzfs/zfs/pull/16019

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Debian 12.5.0 amd64 and OpenZFS bug #15526 David Christensen <dpchrist@holgerdanske.com> - 2024-02-25 06:40 +0100
  Re: Debian 12.5.0 amd64 and OpenZFS bug #15526 "Gareth Evans" <donotspam@fastmail.fm> - 2024-02-27 06:00 +0100
    Re: Debian 12.5.0 amd64 and OpenZFS bug #15526 "Gareth Evans" <donotspam@fastmail.fm> - 2024-02-27 08:20 +0100
    Re: Debian 12.5.0 amd64 and OpenZFS bug #15526 David Christensen <dpchrist@holgerdanske.com> - 2024-02-28 00:00 +0100
      Re: Debian 12.5.0 amd64 and OpenZFS bug #15526 "Gareth Evans" <donotspam@fastmail.fm> - 2024-02-28 00:50 +0100
        Re: Debian 12.5.0 amd64 and OpenZFS bug #15526 Gareth Evans <donotspam@fastmail.fm> - 2024-03-22 22:10 +0100
          Re: Debian 12.5.0 amd64 and OpenZFS bug #15526 "Gareth Evans" <donotspam@fastmail.fm> - 2024-03-25 23:10 +0100
            Re: Debian 12.5.0 amd64 and OpenZFS bug #15526 David Christensen <dpchrist@holgerdanske.com> - 2024-03-26 00:50 +0100
              Re: Debian 12.5.0 amd64 and OpenZFS bug #15526 "Gareth Evans" <donotspam@fastmail.fm> - 2024-03-26 09:20 +0100

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