DragonFly dfbsd 6.5-DEVELOPMENT DragonFly 6.5-DEVELOPMENT #0: Thu Jul  2 06:02:54 UTC 2026     root@dfbsd:/usr/obj/usr/src/sys/X86_64_GENERIC  x86_64
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fix kernel uname -v: DragonFly 6.5-DEVELOPMENT #1: Fri Aug 28 16:51:27 UTC 2026  root@dfbsd:/usr/obj/usr/src/sys/X86_64_GENERIC
instrumented kernel #1 (first): Fri Aug 28 15:43:50 UTC 2026 (same config, instrument.diff)
hammer2_xop_nthreads=36 (6 vcpus, vfsops.c:258-267); xop_groups array = 36*8*64 = 18432 bytes
malloc zones observed via: vmstat -m | grep -i hammer2   (M_HAMMER2 generic zone = "HAMMER2-mount")
vn devices: /dev/vn0../dev/vn3 available by default (vn4+ MAKEDEV failed on this guest)
images: truncate -s 64M + newfs_hammer2 -L testvol; clone = dd (byte-identical => same pfs_clid; NO forged bytes)
orphan census: ps axlw | grep h2xop-testvol | grep -v grep | grep -c h2idle