panic: kernel diagnostic assertion "pg == NULL || pg->uobject == uobj" failed: file "/export/20060822/checkout/src/sys/miscfs/genfs/genfs_vnops.c", line 1158 Stopped in pid 2932.1 (umount) at 0xadc8c8: addi 1,1,16 db> bt at 0xa55e34 at 0xbd5258 at 0xa954dc at 0xa91f94 at 0xa8310c at 0xa84640 at 0xa849b0 at 0xa843d8 at 0x9b57dc at 0x9b5578 at 0xa8773c at 0xa8764c at 0xadba08 at 0xadf61c db>