lock order reversal

Gordon Bergling gordon at bsd-network.org
Thu Jul 10 02:58:20 PDT 2003


Hi,

getting this on a -current from 'Jul  6 23:16:01 CEST 2003'.
I'll recieve this error a few minutes ago directly after booting the
system. No user where logged in this time.

lock order reversal
 1st 0xc2ea9094 vm object (vm object) @ /usr/src/sys/vm/vm_object.c:1516
 2nd 0xc082f110 system map (system map) @ /usr/src/sys/vm/vm_kern.c:325
Stack backtrace:
backtrace(c03cb376,c082f110,c03d9b16,c03d9b16,c03d99b1) at backtrace+0x17
witness_lock(c082f110,8,c03d99b1,145,1) at witness_lock+0x697
_mtx_lock_flags(c082f110,0,c03d99b1,145,60e) at _mtx_lock_flags+0xb1
_vm_map_lock(c082f0b0,c03d99b1,145,c03c7a6a,1bc) at _vm_map_lock+0x36
kmem_malloc(c082f0b0,1000,101,d27e8a8c,c0357f5a) at kmem_malloc+0x39
page_alloc(c083a1c0,1000,d27e8a7f,101,c041210c) at page_alloc+0x27
slab_zalloc(c083a1c0,101,c03db375,664,c268ba94) at slab_zalloc+0x14a
uma_zone_slab(c083a1c0,101,c03db375,664,0) at uma_zone_slab+0xd8
uma_zalloc_internal(c083a1c0,0,101,6e8,0) at uma_zalloc_internal+0x55
uma_zfree_arg(c268ba80,d1c36114,0,1,0) at uma_zfree_arg+0x2e7
swp_pager_meta_free(c2ea9094,1a,0,1,0) at swp_pager_meta_free+0x1b2
swap_pager_freespace(c2ea9094,1a,0,1,0) at swap_pager_freespace+0x57
vm_object_backing_scan(c2c725c8,4,c03da44e,5ec,c03da44e) at
vm_object_backing_scan+0x36a
vm_object_collapse(c2c725c8,0,c03da44e,1ef,c02390d0) at
vm_object_collapse+0xdd
vm_object_deallocate(c2e6b940,c285b03c,c2e6b940,c285b03c,d27e8c64) at
vm_object_deallocate+0x28e
vm_map_entry_delete(c2c73200,c285b03c,c03d9b84,8bc,c03c6b3c) at
vm_map_entry_delete+0x3b
vm_map_delete(c2c73200,0,bfc00000,c2c73200,c2690380) at
vm_map_delete+0x3e3
vm_map_remove(c2c73200,0,bfc00000,11d,c03c60ed) at vm_map_remove+0x58
exit1(c2dd8980,0,c03c60ed,65,d27e8d40) at exit1+0x696
sys_exit(c2dd8980,d27e8d10,c03def62,3fd,1) at sys_exit+0x41
syscall(2f,2f,2f,0,ffffffff) at syscall+0x26e
Xint0x80_syscall() at Xint0x80_syscall+0x1d
--- syscall (1), eip = 0x2829f29f, esp = 0xbfbfc3ec, ebp = 0xbfbfc408
---

best regards,

Gordon

-- 
There is no place like 127.0.0.1/8!


More information about the freebsd-current mailing list