intermittent bsdtar/jemalloc failures

[Michael Butler via freebsd-current]

While building a local release bundle, I sometimes get bsdtar failing (and dumping core) as follows below. Worse, as can be seen below, it doesn't stop the build unless I happen to notice and it yields an incomplete package.

a usr/src/sys/netgraph/ng_checksum.h
a usr/src/sys/netgraph/ng_message.h
a usr/src/sys/netgraph/ng_echo.c
a usr/src/sys/netgraph/ng_gif.h

Abort trap (core dumped)
sh /usr/src/release/scripts/make-manifest.sh *.txz > MANIFEST





Any thoughts?

        imb

<jemalloc>: jemalloc_arena.c:747: Failed assertion: "nstime_compare(&decay->epoch, &time) <= 0" What causes this? Build machine is a 2x4-core Intel box with ZFS file-systems all around. I tried stopping NTPD temporarily but the failures persist .. sometimes :-( I've seen this at different points in the archiving process so it doesn't seem specific to building kernel.txz.

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