DragonFlyBSD Kernel Audit
DF-2620 / fixC_run.log
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+ vnconfig -u vn0
+ vnconfig -u vn1
+ vnconfig -c vn0 /root/poc/df2620/base.img
+ vnconfig -c vn1 /root/poc/df2620/C.img
+ mkdir -p /mnt/h2 /mnt/h2b
+ echo '=== 1. mount MASTER ==='
=== 1. mount MASTER ===
+ mount -t hammer2 -o ro /dev/vn0@testvol /mnt/h2
+ echo 'MOUNT1_RC=0'
MOUNT1_RC=0
+ echo -n 'T1='
T1=+ grep -c h2xop-testvol
+ ps axlw
37
+ echo '=== 2. same-clid merge via second device (EBUSY expected) ==='
=== 2. same-clid merge via second device (EBUSY expected) ===
+ mount -t hammer2 -o ro /dev/vn1@testvol /mnt/h2b
mount: Device busy
+ echo 'MOUNT2_RC=1'
MOUNT2_RC=1
+ echo -n 'T2='
T2=+ grep -c h2xop-testvol
+ ps axlw
109
+ echo '=== 3. umount -f ==='
=== 3. umount -f ===
+ date
Fri Aug 28 14:36:39 UTC 2026
+ umount -f /mnt/h2