Bugs item #1925889, was opened at 2008-03-26 16:07 Message generated for change (Tracker Item Submitted) made by Item Submitter You can respond by visiting: https://sourceforge.net/tracker/?func=detail&atid=893831&aid=1925889&group_id=180599
Please note that this message will contain a full copy of the comment thread, including the initial issue submission, for this request, not just the latest update. Category: None Group: None Status: Open Resolution: None Priority: 5 Private: No Submitted By: yunfeng (yunfeng) Assigned to: Nobody/Anonymous (nobody) Summary: slab error in kmem_cache_destroy(): cache `kvm_vcpu': Initial Comment: This error happened when i try to insert kvm-intel.ko after creating and destroying guests several times. This error will cause host to hang. The commits i caught this error: kvm.git 680615e31ee986b6a5d64783c536ed9fae67c010 and kvm-userspace.git 52be1a18bb7429506acc95c7fdcf4f87ded7a92c. Here is the dmesg output: kjournald starting. Commit interval 5 seconds EXT3 FS on loop0, internal journal EXT3-fs: recovery complete. EXT3-fs: mounted filesystem with ordered data mode. kjournald starting. Commit interval 5 seconds EXT3 FS on loop0, internal journal EXT3-fs: recovery complete. EXT3-fs: mounted filesystem with ordered data mode. sw0: port 2(tap0) entering disabled state device tap0 left promiscuous mode sw0: port 2(tap0) entering disabled state slab error in kmem_cache_destroy(): cache `kvm_vcpu': Can't free all objects Call Trace: [<ffffffff802781f8>] kmem_cache_destroy+0x95/0xdd [<ffffffff880105f5>] :kvm:kvm_exit+0x1c/0x89 [<ffffffff8024dc4e>] sys_delete_module+0x1b1/0x1e0 [<ffffffff8020935e>] system_call+0x7e/0x83 slab error in kmem_cache_destroy(): cache `kvm_pte_chain': Can't free all objects Call Trace: [<ffffffff802781f8>] kmem_cache_destroy+0x95/0xdd [<ffffffff8801752e>] :kvm:kvm_mmu_module_exit+0x15/0x3a [<ffffffff88010644>] :kvm:kvm_exit+0x6b/0x89 [<ffffffff8024dc4e>] sys_delete_module+0x1b1/0x1e0 [<ffffffff8020935e>] system_call+0x7e/0x83 slab error in kmem_cache_destroy(): cache `kvm_rmap_desc': Can't free all objects Call Trace: [<ffffffff802781f8>] kmem_cache_destroy+0x95/0xdd [<ffffffff8801753f>] :kvm:kvm_mmu_module_exit+0x26/0x3a [<ffffffff88010644>] :kvm:kvm_exit+0x6b/0x89 [<ffffffff8024dc4e>] sys_delete_module+0x1b1/0x1e0 [<ffffffff8020935e>] system_call+0x7e/0x83 slab error in kmem_cache_destroy(): cache `kvm_mmu_page_header': Can't free all objects Call Trace: [<ffffffff802781f8>] kmem_cache_destroy+0x95/0xdd [<ffffffff88010644>] :kvm:kvm_exit+0x6b/0x89 [<ffffffff8024dc4e>] sys_delete_module+0x1b1/0x1e0 [<ffffffff8020935e>] system_call+0x7e/0x83 kmem_cache_create: duplicate cache kvm_pte_chain Call Trace: [<ffffffff80278aa8>] kmem_cache_create+0x3f5/0x431 [<ffffffff88017572>] :kvm:kvm_mmu_module_init+0x1f/0x89 [<ffffffff88012b78>] :kvm:kvm_arch_init+0x56/0xaa [<ffffffff8801072a>] :kvm:kvm_init+0x74/0x295 [<ffffffff8803e36a>] :kvm_intel:vmx_init+0xd0/0x111 [<ffffffff8024d911>] sys_init_module+0x162c/0x178f [<ffffffff8020935e>] system_call+0x7e/0x83 slab error in kmem_cache_destroy(): cache `kvm_rmap_desc': Can't free all objects Call Trace: [<ffffffff802781f8>] kmem_cache_destroy+0x95/0xdd [<ffffffff8801753f>] :kvm:kvm_mmu_module_exit+0x26/0x3a [<ffffffff880175d3>] :kvm:kvm_mmu_module_init+0x80/0x89 [<ffffffff88012b78>] :kvm:kvm_arch_init+0x56/0xaa [<ffffffff8801072a>] :kvm:kvm_init+0x74/0x295 [<ffffffff8803e36a>] :kvm_intel:vmx_init+0xd0/0x111 [<ffffffff8024d911>] sys_init_module+0x162c/0x178f [<ffffffff8020935e>] system_call+0x7e/0x83 slab error in kmem_cache_destroy(): cache `kvm_mmu_page_header': Can't free all objects Call Trace: [<ffffffff802781f8>] kmem_cache_destroy+0x95/0xdd [<ffffffff880175d3>] :kvm:kvm_mmu_module_init+0x80/0x89 [<ffffffff88012b78>] :kvm:kvm_arch_init+0x56/0xaa [<ffffffff8801072a>] :kvm:kvm_init+0x74/0x295 [<ffffffff8803e36a>] :kvm_intel:vmx_init+0xd0/0x111 [<ffffffff8024d911>] sys_init_module+0x162c/0x178f [<ffffffff8020935e>] system_call+0x7e/0x83 kmem_cache_create: duplicate cache kvm_pte_chain Call Trace: [<ffffffff80278aa8>] kmem_cache_create+0x3f5/0x431 [<ffffffff88017572>] :kvm:kvm_mmu_module_init+0x1f/0x89 [<ffffffff88012b78>] :kvm:kvm_arch_init+0x56/0xaa [<ffffffff8801072a>] :kvm:kvm_init+0x74/0x295 [<ffffffff8803e36a>] :kvm_intel:vmx_init+0xd0/0x111 [<ffffffff8024d911>] sys_init_module+0x162c/0x178f [<ffffffff8020935e>] system_call+0x7e/0x83 slab error in kmem_cache_destroy(): cache `kvm_rmap_desc': Can't free all objects Call Trace: [<ffffffff802781f8>] kmem_cache_destroy+0x95/0xdd [<ffffffff8801753f>] :kvm:kvm_mmu_module_exit+0x26/0x3a [<ffffffff880175d3>] :kvm:kvm_mmu_module_init+0x80/0x89 [<ffffffff88012b78>] :kvm:kvm_arch_init+0x56/0xaa [<ffffffff8801072a>] :kvm:kvm_init+0x74/0x295 [<ffffffff8803e36a>] :kvm_intel:vmx_init+0xd0/0x111 [<ffffffff8024d911>] sys_init_module+0x162c/0x178f [<ffffffff8020935e>] system_call+0x7e/0x83 slab error in kmem_cache_destroy(): cache `kvm_mmu_page_header': Can't free all objects Call Trace: [<ffffffff802781f8>] kmem_cache_destroy+0x95/0xdd [<ffffffff880175d3>] :kvm:kvm_mmu_module_init+0x80/0x89 [<ffffffff88012b78>] :kvm:kvm_arch_init+0x56/0xaa [<ffffffff8801072a>] :kvm:kvm_init+0x74/0x295 [<ffffffff8803e36a>] :kvm_intel:vmx_init+0xd0/0x111 [<ffffffff8024d911>] sys_init_module+0x162c/0x178f [<ffffffff8020935e>] system_call+0x7e/0x83 ---------------------------------------------------------------------- You can respond by visiting: https://sourceforge.net/tracker/?func=detail&atid=893831&aid=1925889&group_id=180599 ------------------------------------------------------------------------- Check out the new SourceForge.net Marketplace. 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