On 12/07/2018 15:42, Alexander Leidinger wrote: > #9 0xffffffff81391fbe in arc_check_uma_cache (lowest=-1011712) > at /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/arc.c:4532 Do you have any local modifications to ZFS code? I cannot find that function. -- Andriy Gapon