New ZFSv28 patchset for 8-STABLE

Rich rincebrain at
Mon Feb 7 21:48:07 UTC 2011

My apologies, the actual command is count=1 seek=2000000, but that doesn't
end up changing the observed behavior even if I had a 2T disk that I was
using for the flat file.

- Rich

On Mon, Feb 7, 2011 at 4:41 PM, Rich <rincebrain at> wrote:

> Hi world,
> I've tested with ZFSv28 on RELENG_8 using the patch
> .
> I can reproducibly panic it using the following sequence of three steps:
> # dd if=/dev/zero of=sparse_file bs=1M count=2000000
> # zpool create testv28 raidz1 ad20 ad26 `pwd`/sparse_file
> # zpool offline testv28 `pwd`/sparse_file
> At step 3, I panic every time. I am attempting to get a crash dump, but for
> whatever reason, the dump appears to be hanging instead of making any
> progress.
> - Rich

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