Date: Sun, 18 May 2003 19:52:18 +0200 From: Nicolai Petri <nicolai@catpipe.net> To: freebsd-current@freebsd.org Subject: (yet a) LOR on 5.1-BETA Message-ID: <200305181952.18609.nicolai@catpipe.net>
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I do not remember if this has been reported before. While closing down X/KDE I got the LOR attached below. Cheers, Nicolai Petri ---------------------------------------- lock order reversal 1st 0xc2b96ed8 vm object (vm object) @ /usr/src/sys/vm/vm_object.c:512 2nd 0xc082f110 system map (system map) @ /usr/src/sys/vm/vm_kern.c:325 Stack backtrace: backtrace(c033f51d,c082f110,c034c356,c034c356,c034c1ed) at backtrace+0x17 witness_lock(c082f110,8,c034c1ed,145,0) at witness_lock+0x697 _mtx_lock_flags(c082f110,0,c034c1ed,145,3) at _mtx_lock_flags+0xb1 _vm_map_lock(c082f0b0,c034c1ed,145,ce679a58,c01f6374) at _vm_map_lock+0x36 kmem_malloc(c082f0b0,1000,101,ce679ac4,c02d0cf0) at kmem_malloc+0x66 page_alloc(c083a240,1000,ce679ab7,101,c03692ac) at page_alloc+0x27 slab_zalloc(c083a240,101,c034dbba,66f,c269d384) at slab_zalloc+0x150 uma_zone_slab(c083a240,101,c034dbba,66f,0) at uma_zone_slab+0xd8 uma_zalloc_internal(c083a240,0,101,6ef,0) at uma_zalloc_internal+0x55 uma_zfree_arg(c269d360,cdd8a228,0,1,0) at uma_zfree_arg+0x2cb swp_pager_meta_free_all(c2b96ed8,c034bbe2,c034bb76,1af) at swp_pager_meta_free_all+0x1b0 swap_pager_dealloc(c2b96ed8,1,c034dabd,10b,0) at swap_pager_dealloc+0x113 vm_pager_deallocate(c2b96ed8,0,c034cc93,25e,c0399e48) at vm_pager_deallocate+0x3d vm_object_terminate(c2b96ed8,0,c034cc93,200,c2ab6bf4) at vm_object_terminate+0x1f4 vm_object_deallocate(c2b96ed8,c2ab6bf4,c2b96ed8,c2ab6bf4,ce679c64) at vm_object_deallocate+0x217 vm_map_entry_delete(c284d100,c2ab6bf4,c034c3c4,86e,c033ae4e) at vm_map_entry_delete+0x3b vm_map_delete(c284d100,0,bfc00000,c284d100,c2634780) at vm_map_delete+0x453 vm_map_remove(c284d100,0,bfc00000,111,c033a45e) at vm_map_remove+0x58 exit1(c27e7980,100,c033a45e,63,ce679d40) at exit1+0x626 sys_exit(c27e7980,ce679d10,c03517a4,3fb,1) at sys_exit+0x41 syscall(bfbf002f,bfbf002f,bfbf002f,0,e34) at syscall+0x26e Xint0x80_syscall() at Xint0x80_syscall+0x1d --- syscall (1), eip = 0x290516cf, esp = 0xbfbfef6c, ebp = 0xbfbfef98 ---
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