Václav Haisman wrote, On 29.5.2006 0:09: > See attached file. The kernel is todays CVS 6.1. > > -- > Vaclav Haisman > > > > > ------------------------------------------------------------------------ > > May 28 19:16:55 logout kernel: lock order reversal: > May 28 19:16:55 logout kernel: 1st 0xc3d4bb1c vnode interlock (vnode > interlock) @ /usr/src/sys/kern/vfs_subr.c:2218 > May 28 19:16:55 logout kernel: 2nd 0xc1043144 system map (system map) @ > /usr/src/sys/vm/vm_kern.c:295 > May 28 19:16:55 logout kernel: KDB: stack backtrace: > May 28 19:16:55 logout kernel: > kdb_backtrace(c081a0c7,c1043144,c0819bfa,c0819bfa,c082f5af) at > kdb_backtrace+0x2e > May 28 19:16:55 logout kernel: > witness_checkorder(c1043144,9,c082f5af,127,c08bdbc0) at > witness_checkorder+0x5ef > May 28 19:16:55 logout kernel: > _mtx_lock_flags(c1043144,0,c082f5af,127,c104e460) at _mtx_lock_flags+0x32 > May 28 19:16:55 logout kernel: > _vm_map_lock(c10430c0,c082f5af,127,c3375900,c3375900) at _vm_map_lock+0x37 > May 28 19:16:55 logout kernel: > kmem_malloc(c10430c0,1000,101,d5688afc,c0766493) at kmem_malloc+0x3a > May 28 19:16:55 logout kernel: > page_alloc(c104d300,1000,d5688aef,101,c05e0ed6) at page_alloc+0x27 > May 28 19:16:55 logout kernel: slab_zalloc(c104d300,101,c082ed67,8a2,80246) > at slab_zalloc+0xd3 > May 28 19:16:55 logout kernel: > uma_zone_slab(c104d300,1,c082ed67,8a2,c082ed67) at uma_zone_slab+0x112 > May 28 19:16:55 logout kernel: uma_zalloc_internal(c104d300,0,1,0,d5688b94) > at uma_zalloc_internal+0x41 > May 28 19:16:55 logout kernel: bucket_alloc(80,1,c082ed67,95e,105) at > bucket_alloc+0x3b > May 28 19:16:55 logout kernel: > uma_zfree_arg(c104dc00,c389712c,0,d5688bbc,c072e964) at uma_zfree_arg+0x253 > May 28 19:16:55 logout kernel: mac_labelzone_free(c389712c) at > mac_labelzone_free+0x22 > May 28 19:16:55 logout kernel: > mac_vnode_label_free(c389712c,c3d4baa0,d5688be8,c061aa00,c3d4baa0) at > mac_vnode_label_free+0x94 > May 28 19:16:55 logout kernel: > mac_destroy_vnode(c3d4baa0,0,c081e172,30a,c3d4baa0) at mac_destroy_vnode+0x18 > May 28 19:16:55 logout kernel: > vdestroy(c3d4baa0,d5688c1c,0,c3d4e9cc,c3d4e9cc) at vdestroy+0x60 > May 28 19:16:55 logout kernel: > vdropl(c3d4baa0,d5688c1c,c081e172,835,c08b1440) at vdropl+0x50 > May 28 19:16:55 logout kernel: vput(c3d4baa0,0,c082c8a2,df7,c09117a0) at > vput+0x1ae > May 28 19:16:55 logout kernel: handle_workitem_remove(c36de9e0,0,2,3b3,1) at > handle_workitem_remove+0x15a > May 28 19:16:55 logout kernel: > process_worklist_item(c35a0400,0,c082c8a2,348,4479db07) at > process_worklist_item+0x1e1 > May 28 19:16:55 logout kernel: > softdep_process_worklist(c35a0400,0,c082c8a2,2f2,3e8) at > softdep_process_worklist+0x73 > May 28 19:16:55 logout kernel: softdep_flush(0,d5688d38,c08150d4,31d,0) at > softdep_flush+0x193 > May 28 19:16:55 logout kernel: fork_exit(c0744170,0,d5688d38) at > fork_exit+0x78 > May 28 19:16:55 logout kernel: fork_trampoline() at fork_trampoline+0x8 > May 28 19:16:55 logout kernel: --- trap 0x1, eip = 0, esp = 0xd5688d6c, ebp = > 0 --- One more data point for this LOR. It happens only once early (with minutes or hours) after reboot and then never again.
-- Vaclav Haisman
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