hammer2_mount: "/dev/vn0": no recovery needed
hammer2_mount: hmp=0xfffff80118720000 pmp=0xfffff80118f00000
HAMMER2: VOLDATA DUMP
HAMMER2: INITIATE SPANs
HAMMER2: CONN WAS TERMINATED
hammer2: bulkfree buf=1M
hammer2: pass 0000000000000000-0000000004000000 (all media)
hammer2_bulkfree: Scanning testvol
panic: assertion "radix != 0" failed in h2_bulkfree_callback at /usr/src/sys/vfs/hammer2/hammer2_bulkfree.c:848
cpuid = 3
Trace beginning at frame 0xfffff8011866f058
h2_bulkfree_callback() at h2_bulkfree_callback+0x2a9 0xffffffff80962b69 
h2_bulkfree_callback() at h2_bulkfree_callback+0x2a9 0xffffffff80962b69 
hammer2_bulkfree_scan.constprop.2() at hammer2_bulkfree_scan.constprop.2+0x121 0xffffffff80962d71 
hammer2_bulkfree_scan.constprop.2() at hammer2_bulkfree_scan.constprop.2+0x418 0xffffffff80963068 
hammer2_bulkfree_scan.constprop.2() at hammer2_bulkfree_scan.constprop.2+0x418 0xffffffff80963068 
hammer2_bulkfree_pass() at hammer2_bulkfree_pass+0x395 0xffffffff809636e5 
Debugger("panic")

CPU3 stopping CPUs: 0x00000037
 stopped
Stopped at      Debugger+0x7c:  movb    $0,0xbdaf09(%rip)
db>