| LOR |
lock order reversal
1st 0xc095cce0 vm page queue mutex (vm page queue mutex) @ sys/kern/vfs_bio.c:1485
2nd 0xc1569d6c vnode interlock (vnode interlock) @ sys/kern/vfs_subr.c:1989
KDB: stack backtrace:
kdb_backtrace(0,ffffffff,c0911fe8,c0910aa8,c089cf68) at kdb_backtrace+0x29
witness_checkorder(c1569d6c,9,c0842b5f,7c5) at witness_checkorder+0x550
_mtx_lock_flags(c1569d6c,0,c0842b5f,7c5,c105cce4) at _mtx_lock_flags+0x5b
vdrop(c1569cf0) at vdrop+0x1d
vm_page_remove(c130fa98,c130fa98) at vm_page_remove+0xd4
vm_page_free_toq(c130fa98,c130fa98,40,c130fa98,c8e038ec) at
vm_page_free_toq+0x90
vm_page_free(c130fa98,c130fa98) at vm_page_free+0x15
vfs_vmio_release(c44e7a10) at vfs_vmio_release+0x9b
brelse(c44e7a10,c135c180,1,c0613134,0) at brelse+0x485
ffs_mountfs(c1569cf0,c154ec00,c135e480,c15111f0,0) at ffs_mountfs+0x555
ffs_mount(c154ec00,c135e480,0,0,c156a000) at ffs_mount+0x9ad
vfs_domount(c135e480,c1511b80,c1520870,4001,c1511500) at vfs_domount+0x589
vfs_donmount(c135e480,4001,c8e03c30,c1557380,6) at vfs_donmount+0xce
kernel_mount(c15110a0,4001,c8e03c98,c8e03cc4,c066a416) at kernel_mount+0x6d
kernel_vmount(4001,c08425dd,c1520840,c08425e4,c083d857) at kernel_vmount+0x37
vfs_mountroot_try(c1520710,c08362bc,204,c135dde4,c05f5074) at
vfs_mountroot_try+0xd2
vfs_mountroot(c135dde4,c135e480,25d,c135e480,c8e03d08) at vfs_mountroot+0x18f
start_init(0,c8e03d48,0,c05f5074,0) at start_init+0x4b
fork_exit(c05f5074,0,c8e03d48) at fork_exit+0xa0
fork_trampoline() at fork_trampoline+0x8
--- trap 0x1, eip = 0, esp = 0xc8e03d7c, ebp = 0 ---
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