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[Xen-devel] pvops xen-stable-2.6.32.x, 7 kmemleaks just after boot

To: Jeremy Fitzhardinge <jeremy@xxxxxxxx>

From: Sander Eikelenboom <linux@xxxxxxxxxxxxxx>

Date: Tue, 14 Sep 2010 15:33:26 +0200

Cc: "xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx>, Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>

Delivery-date: Tue, 14 Sep 2010 06:35:27 -0700

List-id: Xen developer discussion <xen-devel.lists.xensource.com>

Hi Jeremy/Konrad, I Don't know if these kmemleaks are bogus, but they are reported right after boot, no domU's started (with memleak detector enabled). Running: xen-unstable 4.1 xen_changeset: Fri Sep 10 19:06:33 2010 +0100 22132:3985fea87987 pvops xen-stable-2.6.32.x kernel last commit b297cdac0373625d3cd0e6f2b393570dcf2edba6 -- Sander xentest:/sys/kernel/debug# cat kmemleak unreferenced object 0xffff88002ff6f7e0 (size 72): comm "swapper", pid 1, jiffies 4294667524 hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 0e 01 01 00 00 00 00 00 ................ 01 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<ffffffff815bd155>] kmemleak_alloc+0x21/0x44 [<ffffffff81119500>] kmem_cache_alloc+0x136/0x185 [<ffffffff81285377>] acpi_ut_allocate_object_desc_dbg+0x4c/0x88 [<ffffffff812853d5>] acpi_ut_create_internal_object_dbg+0x22/0x88 [<ffffffff81273dbf>] acpi_ex_read_data_from_field+0xf2/0x157 [<ffffffff81278ce3>] acpi_ex_resolve_node_to_value+0x18f/0x220 [<ffffffff8127481b>] acpi_ex_resolve_to_value+0x205/0x216 [<ffffffff8126ecb0>] acpi_ds_evaluate_name_path+0x7a/0xff [<ffffffff8126d8ab>] acpi_ds_exec_end_op+0x94/0x3d9 [<ffffffff8127f78b>] acpi_ps_parse_loop+0x80a/0x98b [<ffffffff8127e835>] acpi_ps_parse_aml+0x9a/0x2d9 [<ffffffff8127ffd2>] acpi_ps_execute_method+0x1dd/0x2ab [<ffffffff8127b79a>] acpi_ns_evaluate+0xee/0x1b6 [<ffffffff8127b964>] acpi_ns_exec_module_code_list+0x102/0x17e [<ffffffff812840c4>] acpi_initialize_objects+0x1f/0x59 [<ffffffff819d1d5b>] acpi_init+0x102/0x2cc unreferenced object 0xffff88002f040840 (size 32): comm "swapper", pid 1, jiffies 4294668379 hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<ffffffff815bd155>] kmemleak_alloc+0x21/0x44 [<ffffffff8111a046>] __kmalloc+0x1c1/0x1ea [<ffffffff81056dbf>] kzalloc_node+0xf/0x11 [<ffffffff8105741a>] get_one_free_irq_cfg+0x1a/0x45 [<ffffffff8105754e>] arch_init_chip_data+0x1a/0x39 [<ffffffff815bcb63>] irq_to_desc_alloc_node+0x18d/0x1b7 [<ffffffff81299cb8>] xen_allocate_pirq+0x99/0x185 [<ffffffff8103bef3>] xen_register_pirq+0x3e/0x98 [<ffffffff8103bf8f>] xen_register_gsi+0x42/0xb3 [<ffffffff810535bd>] acpi_register_gsi+0x22/0x5f [<ffffffff812699ed>] acpi_pci_irq_enable+0x11f/0x212 [<ffffffff8149ddf4>] pcibios_enable_device+0x29/0x2d [<ffffffff81243dbe>] do_pci_enable_device+0x28/0x40 [<ffffffff81243e2b>] __pci_enable_device_flags+0x55/0x70 [<ffffffff81243e54>] pci_enable_device+0xe/0x10 [<ffffffff812401f3>] pci_enable_bridges+0x2a/0x4e unreferenced object 0xffff88002f040860 (size 32): comm "swapper", pid 1, jiffies 4294668381 hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<ffffffff815bd155>] kmemleak_alloc+0x21/0x44 [<ffffffff8111a046>] __kmalloc+0x1c1/0x1ea [<ffffffff81056dbf>] kzalloc_node+0xf/0x11 [<ffffffff8105741a>] get_one_free_irq_cfg+0x1a/0x45 [<ffffffff8105754e>] arch_init_chip_data+0x1a/0x39 [<ffffffff815bcb63>] irq_to_desc_alloc_node+0x18d/0x1b7 [<ffffffff81299cb8>] xen_allocate_pirq+0x99/0x185 [<ffffffff8103bef3>] xen_register_pirq+0x3e/0x98 [<ffffffff8103bf8f>] xen_register_gsi+0x42/0xb3 [<ffffffff810535bd>] acpi_register_gsi+0x22/0x5f [<ffffffff812699ed>] acpi_pci_irq_enable+0x11f/0x212 [<ffffffff8149ddf4>] pcibios_enable_device+0x29/0x2d [<ffffffff81243dbe>] do_pci_enable_device+0x28/0x40 [<ffffffff81243e2b>] __pci_enable_device_flags+0x55/0x70 [<ffffffff81243e54>] pci_enable_device+0xe/0x10 [<ffffffff812401f3>] pci_enable_bridges+0x2a/0x4e unreferenced object 0xffff88002c226fe0 (size 32): comm "swapper", pid 1, jiffies 4294669476 hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<ffffffff815bd155>] kmemleak_alloc+0x21/0x44 [<ffffffff8111a046>] __kmalloc+0x1c1/0x1ea [<ffffffff81056dbf>] kzalloc_node+0xf/0x11 [<ffffffff8105741a>] get_one_free_irq_cfg+0x1a/0x45 [<ffffffff8105754e>] arch_init_chip_data+0x1a/0x39 [<ffffffff815bcb63>] irq_to_desc_alloc_node+0x18d/0x1b7 [<ffffffff81299cb8>] xen_allocate_pirq+0x99/0x185 [<ffffffff8103bef3>] xen_register_pirq+0x3e/0x98 [<ffffffff8103bf8f>] xen_register_gsi+0x42/0xb3 [<ffffffff810535bd>] acpi_register_gsi+0x22/0x5f [<ffffffff812699ed>] acpi_pci_irq_enable+0x11f/0x212 [<ffffffff8149ddf4>] pcibios_enable_device+0x29/0x2d [<ffffffff81243dbe>] do_pci_enable_device+0x28/0x40 [<ffffffff81243e2b>] __pci_enable_device_flags+0x55/0x70 [<ffffffff81243e54>] pci_enable_device+0xe/0x10 [<ffffffff81243ed0>] pcim_enable_device+0x7a/0x9a unreferenced object 0xffff88002fee71c0 (size 32): comm "swapper", pid 1, jiffies 4294669610 hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<ffffffff815bd155>] kmemleak_alloc+0x21/0x44 [<ffffffff8111a046>] __kmalloc+0x1c1/0x1ea [<ffffffff81056dbf>] kzalloc_node+0xf/0x11 [<ffffffff8105741a>] get_one_free_irq_cfg+0x1a/0x45 [<ffffffff8105754e>] arch_init_chip_data+0x1a/0x39 [<ffffffff815bcb63>] irq_to_desc_alloc_node+0x18d/0x1b7 [<ffffffff81299cb8>] xen_allocate_pirq+0x99/0x185 [<ffffffff8103bef3>] xen_register_pirq+0x3e/0x98 [<ffffffff8103bf8f>] xen_register_gsi+0x42/0xb3 [<ffffffff810535bd>] acpi_register_gsi+0x22/0x5f [<ffffffff812699ed>] acpi_pci_irq_enable+0x11f/0x212 [<ffffffff8149ddf4>] pcibios_enable_device+0x29/0x2d [<ffffffff81243dbe>] do_pci_enable_device+0x28/0x40 [<ffffffff81243e2b>] __pci_enable_device_flags+0x55/0x70 [<ffffffff81243efe>] pci_enable_device_mem+0xe/0x10 [<ffffffff815c5b0c>] e1000_probe+0x39/0xbcd unreferenced object 0xffff88002fee7100 (size 32): comm "swapper", pid 1, jiffies 4294669610 hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<ffffffff815bd155>] kmemleak_alloc+0x21/0x44 [<ffffffff8111a046>] __kmalloc+0x1c1/0x1ea [<ffffffff81056dbf>] kzalloc_node+0xf/0x11 [<ffffffff8105741a>] get_one_free_irq_cfg+0x1a/0x45 [<ffffffff8105754e>] arch_init_chip_data+0x1a/0x39 [<ffffffff815bcb63>] irq_to_desc_alloc_node+0x18d/0x1b7 [<ffffffff812995cd>] find_unbound_irq+0x68/0xa1 [<ffffffff81299b3c>] xen_create_msi_irq+0xba/0x19d [<ffffffff8103be17>] xen_setup_msi_irqs+0x39/0x87 [<ffffffff8149c7b6>] xen_pci_setup_msi_irqs+0x34/0x1be [<ffffffff81058114>] arch_setup_msi_irqs+0x38/0x138 [<ffffffff8124d053>] pci_enable_msi_block+0x26c/0x306 [<ffffffff8137af57>] e1000e_set_interrupt_capability+0xd2/0x114 [<ffffffff815c5e04>] e1000_probe+0x331/0xbcd [<ffffffff8124505b>] local_pci_probe+0x12/0x16 [<ffffffff812452d9>] pci_device_probe+0x5c/0x86 unreferenced object 0xffff88002ff2da60 (size 32): comm "swapper", pid 1, jiffies 4294669729 hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<ffffffff815bd155>] kmemleak_alloc+0x21/0x44 [<ffffffff8111a046>] __kmalloc+0x1c1/0x1ea [<ffffffff81056dbf>] kzalloc_node+0xf/0x11 [<ffffffff8105741a>] get_one_free_irq_cfg+0x1a/0x45 [<ffffffff8105754e>] arch_init_chip_data+0x1a/0x39 [<ffffffff815bcb63>] irq_to_desc_alloc_node+0x18d/0x1b7 [<ffffffff81299cb8>] xen_allocate_pirq+0x99/0x185 [<ffffffff8103bef3>] xen_register_pirq+0x3e/0x98 [<ffffffff8103bf8f>] xen_register_gsi+0x42/0xb3 [<ffffffff810535bd>] acpi_register_gsi+0x22/0x5f [<ffffffff812699ed>] acpi_pci_irq_enable+0x11f/0x212 [<ffffffff8149ddf4>] pcibios_enable_device+0x29/0x2d [<ffffffff81243dbe>] do_pci_enable_device+0x28/0x40 [<ffffffff81243e2b>] __pci_enable_device_flags+0x55/0x70 [<ffffffff81243e54>] pci_enable_device+0xe/0x10 [<ffffffff815d3e61>] i801_probe+0x98/0x2b4 _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel

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