File-Backed ZFS Kernel Panic still in 10.1-RELEASE (PR 195061)

Steven Hartland killing at
Tue Apr 21 16:45:30 UTC 2015

I did actually request this back in November, but I don't seem to have 
had a reply so I'll chase.

On 21/04/2015 16:23, Will Green wrote:
> Hello,
> I have been updating my ZFS tutorials for use on FreeBSD 10.1. To allow users to experiment with ZFS I use file-backed ZFS pools. On FreeBSD 10.1 they cause a kernel panic.
> For example a simple command like the following causes a panic: zpool create /tmp/zfstut/disk1
> This issue was identified in PR 195061:
> And fixed in r274619 (2014-11-17):
> However, even on 10.1-RELEASE-p9 the kernel panic still occurs (but doesn’t on 11-CURRENT).
> Are there any plans to patch this in 10.1? I note it’s not in the errata.
> My tutorials are not the only ones that use file-backed ZFS: new users experimenting with ZFS on FreeBSD are likely to encounter this issue.
> Thanks,
> Will
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