[Bug 207464] Panic when destroying ZFS snapshot

bugzilla-noreply at freebsd.org bugzilla-noreply at freebsd.org
Fri May 6 21:22:22 UTC 2016


https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=207464

--- Comment #19 from Howard Powell <hpowell at lighthouseinstruments.com> ---
(In reply to Howard Powell from comment #17)

Patched the 10.3-RELEASE kernel source and recompiled. A test case of creating
a snapshot, reading the snapshot, then destroying the snapshot 100 times
finishes without a kernel panic.  Looks promising.

I'm beating the hell out of the new kernel now with 5 million
create-read-destroy cycles to see what happens.

Andriy - can you elaborate on "It seems that the code has a few bugs that
_almost_ cancel out each other." - do you mean your proposed patch or the
original code had bugs?

... waiting to push a mission critical machine into production until after this
is worked out.

Thanks.

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