On Wed, 2007-04-04 at 11:22 -0700, Christoph Lameter wrote: > On Wed, 4 Apr 2007, Christoph Lameter wrote: > > > Yes. slub_debug=U. But user tracking may need to increase the slab > > size (depends on the padding available in the slab) to store the > > tracking information, so you may not get the same corruption. > > Hummm U is switching off merging and you may need merging to trigger the > discovery of the overwrite. > > Here is a patch to enable merging even while tracking slabs. This patch > should not be applied to mm. In general tracking requires knowing which > slab the objects come from and merging looses that information. > > Index: linux-2.6.21-rc5-mm4/mm/slub.c > =================================================================== > --- linux-2.6.21-rc5-mm4.orig/mm/slub.c 2007-04-04 11:19:29.000000000 > -0700 > +++ linux-2.6.21-rc5-mm4/mm/slub.c 2007-04-04 11:19:35.000000000 -0700 > @@ -86,7 +86,7 @@ > /* > * Set of flags that will prevent slab merging > */ > -#define SLUB_NEVER_MERGE (SLAB_RED_ZONE | SLAB_POISON | SLAB_STORE_USER | \ > +#define SLUB_NEVER_MERGE (SLAB_RED_ZONE | SLAB_POISON | \ > SLAB_TRACE | SLAB_DESTROY_BY_RCU) > > #define SLUB_MERGE_SAME (SLAB_DEBUG_FREE | SLAB_RECLAIM_ACCOUNT | \ >
Here is the slub_debug=FU output with the above patch. Thanks, Badari
Linux version 2.6.21-rc5-mm4 ([EMAIL PROTECTED]) (gcc version 4.1.0 (SUSE Linux)) #6 SMP Wed Apr 4 16:52:03 PDT 2007 Command line: root=/dev/hda2 vga=0x314 slub_debug=FU selinux=0 console=tty0 console=ttyS0,38400 resume=/dev/hda1 resume=/dev/hda1 splash=silent showopts BIOS-provided physical RAM map: BIOS-e820: 0000000000000000 - 000000000009f000 (usable) BIOS-e820: 000000000009f000 - 00000000000a0000 (reserved) BIOS-e820: 00000000000ca000 - 0000000000100000 (reserved) BIOS-e820: 0000000000100000 - 00000000dfef0000 (usable) BIOS-e820: 00000000dfef0000 - 00000000dfeff000 (ACPI data) BIOS-e820: 00000000dfeff000 - 00000000dff00000 (ACPI NVS) BIOS-e820: 00000000dff00000 - 00000000e0000000 (usable) BIOS-e820: 00000000fec00000 - 00000000fec00400 (reserved) BIOS-e820: 00000000fee00000 - 00000000fee01000 (reserved) BIOS-e820: 00000000fff80000 - 0000000100000000 (reserved) BIOS-e820: 0000000100000000 - 00000001e0000000 (usable) end_pfn_map = 1966080 DMI 2.3 present. ACPI: RSDP 000F6970, 0024 (r2 PTLTD ) ACPI: XSDT DFEFC625, 003C (r1 PTLTD XSDT 6040000 LTP 0) ACPI: FACP DFEFED02, 00F4 (r3 AMD HAMMER 6040000 PTEC F4240) ACPI: DSDT DFEFC661, 262D (r1 AMD-K8 AMDACPI 6040000 MSFT 100000D) ACPI: FACS DFEFFFC0, 0040 ACPI: SRAT DFEFEDF6, 0160 (r1 AMD HAMMER 6040000 AMD 1) ACPI: APIC DFEFEF56, 00AA (r1 PTLTD APIC 6040000 LTP 0) SRAT: PXM 0 -> APIC 0 -> Node 0 SRAT: PXM 1 -> APIC 1 -> Node 1 SRAT: PXM 2 -> APIC 2 -> Node 2 SRAT: PXM 3 -> APIC 3 -> Node 3 SRAT: Node 0 PXM 0 0-a0000 SRAT: Node 0 PXM 0 0-e0000000 SRAT: Node 0 PXM 0 0-180000000 SRAT: PXM 1 (100000000-1a0000000) overlaps with PXM 0 (0-180000000) SRAT: SRAT not used. Scanning NUMA topology in Northbridge 24 Number of nodes 4 Node 0 MemBase 0000000000000000 Limit 0000000180000000 Node 1 MemBase 0000000180000000 Limit 00000001a0000000 Node 2 MemBase 00000001a0000000 Limit 00000001c0000000 Node 3 MemBase 00000001c0000000 Limit 00000001e0000000 Using node hash shift of 29 Bootmem setup node 0 0000000000000000-0000000180000000 Bootmem setup node 1 0000000180000000-00000001a0000000 Bootmem setup node 2 00000001a0000000-00000001c0000000 Bootmem setup node 3 00000001c0000000-00000001e0000000 Zone PFN ranges: DMA 0 -> 4096 DMA32 4096 -> 1048576 Normal 1048576 -> 1966080 Movable zone start PFN for each node early_node_map[7] active PFN ranges 0: 0 -> 159 0: 256 -> 917232 0: 917248 -> 917504 0: 1048576 -> 1572864 1: 1572864 -> 1703936 2: 1703936 -> 1835008 3: 1835008 -> 1966080 ACPI: PM-Timer IO Port: 0x8008 ACPI: LAPIC (acpi_id[0x00] lapic_id[0x00] enabled) Processor #0 (Bootup-CPU) ACPI: LAPIC (acpi_id[0x01] lapic_id[0x01] enabled) Processor #1 ACPI: LAPIC (acpi_id[0x02] lapic_id[0x02] enabled) Processor #2 ACPI: LAPIC (acpi_id[0x03] lapic_id[0x03] enabled) Processor #3 ACPI: LAPIC_NMI (acpi_id[0x00] high edge lint[0x1]) ACPI: LAPIC_NMI (acpi_id[0x01] high edge lint[0x1]) ACPI: LAPIC_NMI (acpi_id[0x02] high edge lint[0x1]) ACPI: LAPIC_NMI (acpi_id[0x03] high edge lint[0x1]) ACPI: IOAPIC (id[0x04] address[0xfec00000] gsi_base[0]) IOAPIC[0]: apic_id 4, address 0xfec00000, GSI 0-23 ACPI: IOAPIC (id[0x05] address[0xfa3e0000] gsi_base[24]) IOAPIC[1]: apic_id 5, address 0xfa3e0000, GSI 24-27 ACPI: IOAPIC (id[0x06] address[0xfa3e1000] gsi_base[28]) IOAPIC[2]: apic_id 6, address 0xfa3e1000, GSI 28-31 ACPI: IOAPIC (id[0x07] address[0xfa3e2000] gsi_base[32]) IOAPIC[3]: apic_id 7, address 0xfa3e2000, GSI 32-35 ACPI: IOAPIC (id[0x08] address[0xfa3e4000] gsi_base[36]) IOAPIC[4]: apic_id 8, address 0xfa3e4000, GSI 36-39 ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 high edge) Setting APIC routing to flat Using ACPI (MADT) for SMP configuration information Allocating PCI resources starting at e2000000 (gap: e0000000:1ec00000) PERCPU: Allocating 41984 bytes of per cpu data Built 4 zonelists. Total pages: 1771993 Kernel command line: root=/dev/hda2 vga=0x314 slub_debug=FU selinux=0 console=tty0 console=ttyS0,38400 resume=/dev/hda1 resume=/dev/hda1 splash=silent showopts Initializing CPU#0 PID hash table entries: 4096 (order: 12, 32768 bytes) Extended CMOS year: 2000 time.c: Detected 1398.178 MHz processor. Console: colour dummy device 80x25 Checking aperture... CPU 0: aperture @ 0 size 32 MB No AGP bridge found Your BIOS doesn't leave a aperture memory hole Please enable the IOMMU option in the BIOS setup This costs you 64 MB of RAM Mapping aperture over 65536 KB of RAM @ 4000000 Memory: 7021948k/7864320k available (3113k kernel code, 317632k reserved, 1229k data, 364k init) SLUB V6: General Slabs=18, HW alignment=128, Processors=4, Nodes=64 Calibrating delay using timer specific routine.. 2799.04 BogoMIPS (lpj=5598086) Security Framework v1.0.0 initialized Dentry cache hash table entries: 1048576 (order: 11, 8388608 bytes) Inode-cache hash table entries: 524288 (order: 10, 4194304 bytes) Mount-cache hash table entries: 256 *** SLUB: Freepointer corrupt in [EMAIL PROTECTED] Slab 0xffff81019f001980 offset=400 flags=0x6000000000000c7 inuse=5 freelist=0xffff810180033190 Bytes b4 0xffff810180033180: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ Object 0xffff810180033190: 91 65 28 80 ff ff ff ff 00 00 00 00 00 00 00 00 .e(.����........ Object 0xffff8101800331a0: 62 db fe ff 00 00 00 00 00 00 00 00 00 00 00 00 b���............ Object 0xffff8101800331b0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ Object 0xffff8101800331c0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ Object 0xffff8101800331d0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ FreePointer 0xffff810180033190 -> 0xffffffff80286591 Last alloc: 0xffff810180033230 jiffies since=4294892386 cpu=0 pid=0 Filler 0xffff810180033210: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ Filler 0xffff810180033220: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ Filler 0xffff810180033230: 80 32 03 80 01 81 ff ff 00 00 00 00 00 00 00 00 .2....��........ Filler 0xffff810180033240: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ Filler 0xffff810180033250: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ Filler 0xffff810180033260: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ Filler 0xffff810180033270: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ Filler 0xffff810180033280: d0 32 03 80 01 81 ff ff 00 00 00 00 00 00 00 00 �2....��........ Call Trace: [<ffffffff802840e5>] object_err+0x105/0x1b0 [<ffffffff80284485>] check_object+0x1b5/0x1d0 [<ffffffff80284ad4>] alloc_object_checks+0x64/0x110 [<ffffffff8028611c>] kmem_cache_alloc+0xfc/0x1a0 [<ffffffff802861d9>] kmem_cache_zalloc+0x19/0x40 [<ffffffff802db6ad>] __sysfs_new_dirent+0x1d/0x60 [<ffffffff802db8bc>] __sysfs_make_dirent+0x2c/0xb0 [<ffffffff802db965>] sysfs_make_dirent+0x25/0x50 [<ffffffff802dbd64>] create_dir+0xc4/0x200 [<ffffffff802dbecd>] sysfs_create_dir+0x2d/0x80 [<ffffffff803902fa>] kobject_get+0x1a/0x30 [<ffffffff803905a9>] kobject_shadow_add+0xb9/0x1e0 [<ffffffff803906db>] kobject_add+0xb/0x10 [<ffffffff803906f4>] kset_add+0x14/0x30 [<ffffffff80390aa3>] subsystem_register+0x23/0x40 [<ffffffff806ce96d>] mnt_init+0xed/0x240 [<ffffffff806ce4d9>] vfs_caches_init+0xd9/0x180 [<ffffffff806b27fb>] start_kernel+0x21b/0x2d0 [<ffffffff806b2127>] _sinittext+0x127/0x170 *** SLUB: Freepointer corrupt in [EMAIL PROTECTED] Slab 0xffff81017f9e0000 offset=1088 flags=0x2000000000000c7 inuse=17 freelist=0xffff810173c00440 Bytes b4 0xffff810173c00430: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ Object 0xffff810173c00440: 1f 65 28 80 ff ff ff ff 00 00 00 00 00 00 00 00 .e(.����........ Object 0xffff810173c00450: 5e db fe ff 00 00 00 00 00 00 00 00 00 00 00 00 ^���............ Object 0xffff810173c00460: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ Object 0xffff810173c00470: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ FreePointer 0xffff810173c00440 -> 0xffffffff8028651f Last alloc: 0xffff810173c004c0 jiffies since=4294892387 cpu=0 pid=0 Filler 0xffff810173c004b0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ Filler 0xffff810173c004c0: 00 05 c0 73 01 81 ff ff 00 e8 3a 80 01 81 ff ff ..�s..��.�:...�� Filler 0xffff810173c004d0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ Filler 0xffff810173c004e0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ Filler 0xffff810173c004f0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ Filler 0xffff810173c00500: 40 05 c0 73 01 81 ff ff 00 00 00 00 00 00 00 00 @.�s..��........ Filler 0xffff810173c00510: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ Filler 0xffff810173c00520: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ Call Trace: [<ffffffff802840e5>] object_err+0x105/0x1b0 [<ffffffff80284485>] check_object+0x1b5/0x1d0 [<ffffffff80284ad4>] alloc_object_checks+0x64/0x110 [<ffffffff8028611c>] kmem_cache_alloc+0xfc/0x1a0 [<ffffffff80286551>] __kmalloc+0x21/0x30 [<ffffffff802d0f5d>] proc_symlink+0x4d/0xb0 [<ffffffff802d3020>] execdomains_read_proc+0x0/0x60 [<ffffffff806cf4e5>] proc_misc_init+0x75/0x210 [<ffffffff806cf334>] proc_root_init+0x44/0xf0 [<ffffffff806b280f>] start_kernel+0x22f/0x2d0 [<ffffffff806b2127>] _sinittext+0x127/0x170 CPU: L1 I Cache: 64K (64 bytes/line), D cache 64K (64 bytes/line) CPU: L2 Cache: 1024K (64 bytes/line) CPU 0/0 -> Node 0 *** SLUB: Freepointer corrupt in [EMAIL PROTECTED] Slab 0xffff81019f017e80 offset=80 flags=0x6000000000000c7 inuse=1 freelist=0xffff8101802fd050 Bytes b4 0xffff8101802fd040: 00 00 00 00 00 00 00 00 01 00 00 00 00 00 00 00 ................ Object 0xffff8101802fd050: d9 61 28 80 ff ff ff ff 00 00 00 00 00 00 00 00 �a(.����........ Object 0xffff8101802fd060: 63 db fe ff 00 00 00 00 00 00 00 00 00 00 00 00 c���............ Object 0xffff8101802fd070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ Object 0xffff8101802fd080: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ Object 0xffff8101802fd090: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ FreePointer 0xffff8101802fd050 -> 0xffffffff802861d9 Last alloc: 0xffff8101802fd0f0 jiffies since=4294892391 cpu=0 pid=0 Filler 0xffff8101802fd0d0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ Filler 0xffff8101802fd0e0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ Filler 0xffff8101802fd0f0: 40 d1 2f 80 01 81 ff ff 00 00 00 00 00 00 00 00 @�/...��........ Filler 0xffff8101802fd100: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ Filler 0xffff8101802fd110: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ Filler 0xffff8101802fd120: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ Filler 0xffff8101802fd130: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ Filler 0xffff8101802fd140: 90 d1 2f 80 01 81 ff ff 00 00 00 00 00 00 00 00 .�/...��........ Call Trace: [<ffffffff802840e5>] object_err+0x105/0x1b0 [<ffffffff80284485>] check_object+0x1b5/0x1d0 [<ffffffff80284ad4>] alloc_object_checks+0x64/0x110 [<ffffffff8028611c>] kmem_cache_alloc+0xfc/0x1a0 [<ffffffff80286551>] __kmalloc+0x21/0x30 [<ffffffff806bdbc0>] mtrr_bp_init+0xd0/0x1e0 [<ffffffff806babca>] identify_cpu+0x6fa/0x7e0 [<ffffffff806b281b>] start_kernel+0x23b/0x2d0 [<ffffffff806b2127>] _sinittext+0x127/0x170 Freeing SMP alternatives: 36k freed ACPI: Core revision 20070126 *** SLUB: Freepointer corrupt in [EMAIL PROTECTED] Slab 0xffff8101bf017f00 offset=80 flags=0xa000000000000c7 inuse=1 freelist=0xffff8101a02fe050 Bytes b4 0xffff8101a02fe040: 98 14 ed 70 01 81 ff ff 00 00 00 00 00 00 00 00 ..�p..��........ Object 0xffff8101a02fe050: 51 65 28 80 ff ff ff ff 00 00 00 00 00 00 00 00 Qe(.����........ Object 0xffff8101a02fe060: 68 db fe ff 00 00 00 00 00 00 00 00 00 00 00 00 h���............ Object 0xffff8101a02fe070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ Object 0xffff8101a02fe080: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ Object 0xffff8101a02fe090: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ FreePointer 0xffff8101a02fe050 -> 0xffffffff80286551 Last alloc: 0xffff8101a02fe0f0 jiffies since=4294892394 cpu=0 pid=0 Filler 0xffff8101a02fe0d0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ Filler 0xffff8101a02fe0e0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ Filler 0xffff8101a02fe0f0: 40 e1 2f a0 01 81 ff ff 00 00 00 00 00 00 00 00 @�/...��........ Filler 0xffff8101a02fe100: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ Filler 0xffff8101a02fe110: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ Filler 0xffff8101a02fe120: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ Filler 0xffff8101a02fe130: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ Filler 0xffff8101a02fe140: 90 e1 2f a0 01 81 ff ff 00 00 00 00 00 00 00 00 .�/...��........ Call Trace: [<ffffffff802840e5>] object_err+0x105/0x1b0 [<ffffffff80284485>] check_object+0x1b5/0x1d0 [<ffffffff80284ad4>] alloc_object_checks+0x64/0x110 [<ffffffff8028611c>] kmem_cache_alloc+0xfc/0x1a0 [<ffffffff80286591>] sysfs_slab_alias+0x31/0x80 [<ffffffff80286afc>] kmem_cache_create+0x20c/0x220 [<ffffffff803b76ea>] acpi_os_create_cache+0x1e/0x2e [<ffffffff803cc664>] acpi_ut_create_caches+0x46/0xae [<ffffffff803ce560>] acpi_ut_init_globals+0x9/0x1a1 [<ffffffff803cda3b>] acpi_initialize_subsystem+0x3a/0x8b [<ffffffff806d382b>] acpi_early_init+0x5c/0x104 [<ffffffff806b2825>] start_kernel+0x245/0x2d0 [<ffffffff806b2127>] _sinittext+0x127/0x170 *** SLUB: Freepointer corrupt in [EMAIL PROTECTED] Slab 0xffff8101df01a200 offset=80 flags=0xe000000000000c7 inuse=1 freelist=0xffff8101c0344050 Bytes b4 0xffff8101c0344040: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ Object 0xffff8101c0344050: 91 65 28 80 ff ff ff ff 00 00 00 00 00 00 00 00 .e(.����........ Object 0xffff8101c0344060: 6b db fe ff 00 00 00 00 00 00 00 00 00 00 00 00 k���............ Object 0xffff8101c0344070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ Object 0xffff8101c0344080: 00 00 00 00 00 00 00 00 d8 c7 4a be 01 81 ff ff ........��J�..�� Object 0xffff8101c0344090: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ FreePointer 0xffff8101c0344050 -> 0xffffffff80286591 Last alloc: 0xffff8101c03440f0 jiffies since=4294892395 cpu=0 pid=0 Filler 0xffff8101c03440d0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ Filler 0xffff8101c03440e0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ Filler 0xffff8101c03440f0: 40 41 34 c0 01 81 ff ff 00 00 00 00 00 00 00 00 @A4�..��........ Filler 0xffff8101c0344100: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ Filler 0xffff8101c0344110: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ Filler 0xffff8101c0344120: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ Filler 0xffff8101c0344130: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ Filler 0xffff8101c0344140: 90 41 34 c0 01 81 ff ff 00 00 00 00 00 00 00 00 .A4�..��........ Call Trace: [<ffffffff802840e5>] object_err+0x105/0x1b0 [<ffffffff80284485>] check_object+0x1b5/0x1d0 [<ffffffff80284ad4>] alloc_object_checks+0x64/0x110 [<ffffffff8028611c>] kmem_cache_alloc+0xfc/0x1a0 [<ffffffff80286591>] sysfs_slab_alias+0x31/0x80 [<ffffffff80286afc>] kmem_cache_create+0x20c/0x220 [<ffffffff803b76ea>] acpi_os_create_cache+0x1e/0x2e [<ffffffff803cc6a6>] acpi_ut_create_caches+0x88/0xae [<ffffffff803ce560>] acpi_ut_init_globals+0x9/0x1a1 [<ffffffff803cda3b>] acpi_initialize_subsystem+0x3a/0x8b [<ffffffff806d382b>] acpi_early_init+0x5c/0x104 [<ffffffff806b2825>] start_kernel+0x245/0x2d0 [<ffffffff806b2127>] _sinittext+0x127/0x170 *** SLUB: Freepointer corrupt in [EMAIL PROTECTED] Slab 0xffff81017f9f9c00 offset=80 flags=0x2000000000000c7 inuse=1 freelist=0xffff810173f38050 Bytes b4 0xffff810173f38040: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ Object 0xffff810173f38050: 91 65 28 80 ff ff ff ff 00 00 00 00 00 00 00 00 .e(.����........ Object 0xffff810173f38060: 6c db fe ff 00 00 00 00 00 00 00 00 00 00 00 00 l���............ Object 0xffff810173f38070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ Object 0xffff810173f38080: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ Object 0xffff810173f38090: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ FreePointer 0xffff810173f38050 -> 0xffffffff80286591 Last alloc: 0xffff810173f380f0 jiffies since=4294892396 cpu=0 pid=0 Filler 0xffff810173f380d0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ Filler 0xffff810173f380e0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ Filler 0xffff810173f380f0: 40 81 f3 73 01 81 ff ff 00 00 00 00 00 00 00 00 @.�s..��........ Filler 0xffff810173f38100: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ Filler 0xffff810173f38110: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ Filler 0xffff810173f38120: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ Filler 0xffff810173f38130: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ Filler 0xffff810173f38140: 90 81 f3 73 01 81 ff ff 00 00 00 00 00 00 00 00 ..�s..��........ Call Trace: [<ffffffff802840e5>] object_err+0x105/0x1b0 [<ffffffff80284485>] check_object+0x1b5/0x1d0 [<ffffffff80284ad4>] alloc_object_checks+0x64/0x110 [<ffffffff8028611c>] kmem_cache_alloc+0xfc/0x1a0 [<ffffffff80286591>] sysfs_slab_alias+0x31/0x80 [<ffffffff80286afc>] kmem_cache_create+0x20c/0x220 [<ffffffff803b76ea>] acpi_os_create_cache+0x1e/0x2e [<ffffffff803cc6c7>] acpi_ut_create_caches+0xa9/0xae [<ffffffff803ce560>] acpi_ut_init_globals+0x9/0x1a1 [<ffffffff803cda3b>] acpi_initialize_subsystem+0x3a/0x8b [<ffffffff806d382b>] acpi_early_init+0x5c/0x104 [<ffffffff806b2825>] start_kernel+0x245/0x2d0 [<ffffffff806b2127>] _sinittext+0x127/0x170 *** SLUB: Freepointer corrupt in [EMAIL PROTECTED] Slab 0xffff8101bf017e80 offset=80 flags=0xa000000000000c7 inuse=1 freelist=0xffff8101a02fd050 Bytes b4 0xffff8101a02fd040: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ Object 0xffff8101a02fd050: 91 65 28 80 ff ff ff ff 00 00 00 00 00 00 00 00 .e(.����........ Object 0xffff8101a02fd060: 6d db fe ff 00 00 00 00 00 00 00 00 00 00 00 00 m���............ Object 0xffff8101a02fd070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ Object 0xffff8101a02fd080: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ Object 0xffff8101a02fd090: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ FreePointer 0xffff8101a02fd050 -> 0xffffffff80286591 Last alloc: 0xffff8101a02fd0f0 jiffies since=4294892397 cpu=0 pid=0 Filler 0xffff8101a02fd0d0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ Filler 0xffff8101a02fd0e0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ Filler 0xffff8101a02fd0f0: 40 d1 2f a0 01 81 ff ff 00 00 00 00 00 00 00 00 @�/...��........ Filler 0xffff8101a02fd100: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ Filler 0xffff8101a02fd110: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ Filler 0xffff8101a02fd120: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ Filler 0xffff8101a02fd130: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ Filler 0xffff8101a02fd140: 90 d1 2f a0 01 81 ff ff 00 00 00 00 00 00 00 00 .�/...��........ Call Trace: [<ffffffff802840e5>] object_err+0x105/0x1b0 [<ffffffff80284485>] check_object+0x1b5/0x1d0 [<ffffffff80284ad4>] alloc_object_checks+0x64/0x110 [<ffffffff8028611c>] kmem_cache_alloc+0xfc/0x1a0 [<ffffffff803b7795>] acpi_os_create_semaphore+0x36/0x71 [<ffffffff803cef18>] acpi_ut_mutex_initialize+0x33/0x77 [<ffffffff803cda40>] acpi_initialize_subsystem+0x3f/0x8b [<ffffffff806d382b>] acpi_early_init+0x5c/0x104 [<ffffffff806b2825>] start_kernel+0x245/0x2d0 [<ffffffff806b2127>] _sinittext+0x127/0x170 *** SLUB: Freepointer corrupt in [EMAIL PROTECTED] Slab 0xffff8101df01a180 offset=80 flags=0xe000000000000c7 inuse=1 freelist=0xffff8101c0343050 Bytes b4 0xffff8101c0343040: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ Object 0xffff8101c0343050: 95 77 3b 80 ff ff ff ff 00 00 00 00 00 00 00 00 .w;.����........ Object 0xffff8101c0343060: 6e db fe ff 00 00 00 00 00 00 00 00 00 00 00 00 n���............ Object 0xffff8101c0343070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ Object 0xffff8101c0343080: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ Object 0xffff8101c0343090: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ FreePointer 0xffff8101c0343050 -> 0xffffffff803b7795 Last alloc: 0xffff8101c03430f0 jiffies since=4294892398 cpu=0 pid=0 Filler 0xffff8101c03430d0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ Filler 0xffff8101c03430e0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ Filler 0xffff8101c03430f0: 40 31 34 c0 01 81 ff ff 00 00 00 00 00 00 00 00 @14�..��........ Filler 0xffff8101c0343100: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ Filler 0xffff8101c0343110: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ Filler 0xffff8101c0343120: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ Filler 0xffff8101c0343130: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ Filler 0xffff8101c0343140: 90 31 34 c0 01 81 ff ff 00 00 00 00 00 00 00 00 .14�..��........ Call Trace: [<ffffffff802840e5>] object_err+0x105/0x1b0 [<ffffffff80284485>] check_object+0x1b5/0x1d0 [<ffffffff80284ad4>] alloc_object_checks+0x64/0x110 [<ffffffff8028611c>] kmem_cache_alloc+0xfc/0x1a0 [<ffffffff803b7795>] acpi_os_create_semaphore+0x36/0x71 [<ffffffff803cef18>] acpi_ut_mutex_initialize+0x33/0x77 [<ffffffff803cda40>] acpi_initialize_subsystem+0x3f/0x8b [<ffffffff806d382b>] acpi_early_init+0x5c/0x104 [<ffffffff806b2825>] start_kernel+0x245/0x2d0 [<ffffffff806b2127>] _sinittext+0x127/0x170 *** SLUB: Freepointer corrupt in [EMAIL PROTECTED] Slab 0xffff81017f9f9b80 offset=80 flags=0x2000000000000c7 inuse=1 freelist=0xffff810173f37050 Bytes b4 0xffff810173f37040: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ Object 0xffff810173f37050: 95 77 3b 80 ff ff ff ff 00 00 00 00 00 00 00 00 .w;.����........ Object 0xffff810173f37060: 6f db fe ff 00 00 00 00 00 00 00 00 00 00 00 00 o���............ Object 0xffff810173f37070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ Object 0xffff810173f37080: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ Object 0xffff810173f37090: 18 81 70 72 01 81 ff ff 00 00 00 00 00 00 00 00 ..pr..��........ FreePointer 0xffff810173f37050 -> 0xffffffff803b7795 Last alloc: 0xffff810173f370f0 jiffies since=4294892399 cpu=0 pid=0 Filler 0xffff810173f370d0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ Filler 0xffff810173f370e0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ Filler 0xffff810173f370f0: 40 71 f3 73 01 81 ff ff 00 00 00 00 00 00 00 00 @q�s..��........ Filler 0xffff810173f37100: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ Filler 0xffff810173f37110: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ Filler 0xffff810173f37120: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ Filler 0xffff810173f37130: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ Filler 0xffff810173f37140: 90 71 f3 73 01 81 ff ff 00 00 00 00 00 00 00 00 .q�s..��........ Call Trace: [<ffffffff802840e5>] object_err+0x105/0x1b0 [<ffffffff80284485>] check_object+0x1b5/0x1d0 [<ffffffff80284ad4>] alloc_object_checks+0x64/0x110 [<ffffffff8028611c>] kmem_cache_alloc+0xfc/0x1a0 [<ffffffff803b7795>] acpi_os_create_semaphore+0x36/0x71 [<ffffffff803cef18>] acpi_ut_mutex_initialize+0x33/0x77 [<ffffffff803cda40>] acpi_initialize_subsystem+0x3f/0x8b [<ffffffff806d382b>] acpi_early_init+0x5c/0x104 [<ffffffff806b2825>] start_kernel+0x245/0x2d0 [<ffffffff806b2127>] _sinittext+0x127/0x170 *** SLUB: Freepointer corrupt in [EMAIL PROTECTED] Slab 0xffff81019f019e00 offset=80 flags=0x6000000000000c7 inuse=1 freelist=0xffff81018033c050 Bytes b4 0xffff81018033c040: 40 c0 33 80 01 81 ff ff 40 c0 33 80 01 81 ff ff @[EMAIL PROTECTED] Object 0xffff81018033c050: 95 77 3b 80 ff ff ff ff 00 00 00 00 00 00 00 00 .w;.����........ Object 0xffff81018033c060: 70 db fe ff 00 00 00 00 00 00 00 00 00 00 00 00 p���............ Object 0xffff81018033c070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ Object 0xffff81018033c080: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ Object 0xffff81018033c090: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ FreePointer 0xffff81018033c050 -> 0xffffffff803b7795 Last alloc: 0xffff81018033c0f0 jiffies since=4294892400 cpu=0 pid=0 Filler 0xffff81018033c0d0: 00 00 00 00 00 00 00 00 80 44 f1 73 01 81 ff ff .........D�s..�� Filler 0xffff81018033c0e0: 30 80 f1 73 01 81 ff ff c0 60 f1 73 01 81 ff ff 0.�s..���`�s..�� Filler 0xffff81018033c0f0: 40 c1 33 80 01 81 ff ff 00 00 00 00 00 00 00 00 @�3...��........ Filler 0xffff81018033c100: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ Filler 0xffff81018033c110: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ Filler 0xffff81018033c120: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ Filler 0xffff81018033c130: 00 00 00 00 00 00 00 00 a7 1d 14 46 00 00 00 00 ........�..F.... Filler 0xffff81018033c140: 90 c1 33 80 01 81 ff ff 00 00 00 00 00 00 00 00 .�3...��........ Call Trace: [<ffffffff802840e5>] object_err+0x105/0x1b0 [<ffffffff80284485>] check_object+0x1b5/0x1d0 [<ffffffff80284ad4>] alloc_object_checks+0x64/0x110 [<ffffffff8028611c>] kmem_cache_alloc+0xfc/0x1a0 [<ffffffff803b7795>] acpi_os_create_semaphore+0x36/0x71 [<ffffffff803cef18>] acpi_ut_mutex_initialize+0x33/0x77 [<ffffffff803cda40>] acpi_initialize_subsystem+0x3f/0x8b [<ffffffff806d382b>] acpi_early_init+0x5c/0x104 [<ffffffff806b2825>] start_kernel+0x245/0x2d0 [<ffffffff806b2127>] _sinittext+0x127/0x170 *** SLUB: Freepointer corrupt in [EMAIL PROTECTED] Slab 0xffff8101bf01a100 offset=80 flags=0xa000000000000c7 inuse=1 freelist=0xffff8101a0342050 Bytes b4 0xffff8101a0342040: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ Object 0xffff8101a0342050: 95 77 3b 80 ff ff ff ff 00 00 00 00 00 00 00 00 .w;.����........ Object 0xffff8101a0342060: 71 db fe ff 00 00 00 00 00 00 00 00 00 00 00 00 q���............ Object 0xffff8101a0342070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ Object 0xffff8101a0342080: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ Object 0xffff8101a0342090: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ FreePointer 0xffff8101a0342050 -> 0xffffffff803b7795 Last alloc: 0xffff8101a03420f0 jiffies since=4294892401 cpu=0 pid=0 Filler 0xffff8101a03420d0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ Filler 0xffff8101a03420e0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ Filler 0xffff8101a03420f0: 40 21 34 a0 01 81 ff ff 00 00 00 00 00 00 00 00 @!4...��........ Filler 0xffff8101a0342100: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ Filler 0xffff8101a0342110: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ Filler 0xffff8101a0342120: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ Filler 0xffff8101a0342130: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ Filler 0xffff8101a0342140: 90 21 34 a0 01 81 ff ff 00 00 00 00 00 00 00 00 .!4...��........ Call Trace: [<ffffffff802840e5>] object_err+0x105/0x1b0 [<ffffffff80284485>] check_object+0x1b5/0x1d0 [<ffffffff80284ad4>] alloc_object_checks+0x64/0x110 [<ffffffff8028611c>] kmem_cache_alloc+0xfc/0x1a0 [<ffffffff803b7795>] acpi_os_create_semaphore+0x36/0x71 [<ffffffff803cef18>] acpi_ut_mutex_initialize+0x33/0x77 [<ffffffff803cda40>] acpi_initialize_subsystem+0x3f/0x8b [<ffffffff806d382b>] acpi_early_init+0x5c/0x104 [<ffffffff806b2825>] start_kernel+0x245/0x2d0 [<ffffffff806b2127>] _sinittext+0x127/0x170 *** SLUB: Freepointer corrupt in [EMAIL PROTECTED] Slab 0xffff8101df01a100 offset=80 flags=0xe000000000000c7 inuse=1 freelist=0xffff8101c0342050 Bytes b4 0xffff8101c0342040: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ Object 0xffff8101c0342050: 95 77 3b 80 ff ff ff ff 00 00 00 00 00 00 00 00 .w;.����........ Object 0xffff8101c0342060: 72 db fe ff 00 00 00 00 00 00 00 00 00 00 00 00 r���............ Object 0xffff8101c0342070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ Object 0xffff8101c0342080: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ Object 0xffff8101c0342090: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ FreePointer 0xffff8101c0342050 -> 0xffffffff803b7795 Last alloc: 0xffff8101c03420f0 jiffies since=4294892402 cpu=0 pid=0 Filler 0xffff8101c03420d0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ Filler 0xffff8101c03420e0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ Filler 0xffff8101c03420f0: 40 21 34 c0 01 81 ff ff 00 00 00 00 00 00 00 00 @!4�..��........ Filler 0xffff8101c0342100: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ Filler 0xffff8101c0342110: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ Filler 0xffff8101c0342120: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ Filler 0xffff8101c0342130: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ Filler 0xffff8101c0342140: 90 21 34 c0 01 81 ff ff 00 00 00 00 00 00 00 00 .!4�..��........ Call Trace: [<ffffffff802840e5>] object_err+0x105/0x1b0 [<ffffffff80284485>] check_object+0x1b5/0x1d0 [<ffffffff80284ad4>] alloc_object_checks+0x64/0x110 [<ffffffff8028611c>] kmem_cache_alloc+0xfc/0x1a0 [<ffffffff803b7795>] acpi_os_create_semaphore+0x36/0x71 [<ffffffff803cef18>] acpi_ut_mutex_initialize+0x33/0x77 [<ffffffff803cda40>] acpi_initialize_subsystem+0x3f/0x8b [<ffffffff806d382b>] acpi_early_init+0x5c/0x104 [<ffffffff806b2825>] start_kernel+0x245/0x2d0 [<ffffffff806b2127>] _sinittext+0x127/0x170 *** SLUB: Freepointer corrupt in [EMAIL PROTECTED] Slab 0xffff81017f9f9b00 offset=80 flags=0x2000000000000c7 inuse=1 freelist=0xffff810173f36050 Bytes b4 0xffff810173f36040: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ Object 0xffff810173f36050: 95 77 3b 80 ff ff ff ff 00 00 00 00 00 00 00 00 .w;.����........ Object 0xffff810173f36060: 73 db fe ff 00 00 00 00 00 00 00 00 00 00 00 00 s���............ Object 0xffff810173f36070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ Object 0xffff810173f36080: 00 00 00 00 00 00 00 00 18 97 6f bd 01 81 ff ff ..........o�..�� Object 0xffff810173f36090: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ FreePointer 0xffff810173f36050 -> 0xffffffff803b7795 Last alloc: 0xffff810173f360f0 jiffies since=4294892403 cpu=0 pid=0 Filler 0xffff810173f360d0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ Filler 0xffff810173f360e0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ Filler 0xffff810173f360f0: 40 61 f3 73 01 81 ff ff 00 00 00 00 00 00 00 00 @a�s..��........ Filler 0xffff810173f36100: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ Filler 0xffff810173f36110: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ Filler 0xffff810173f36120: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ Filler 0xffff810173f36130: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ Filler 0xffff810173f36140: 90 61 f3 73 01 81 ff ff 00 00 00 00 00 00 00 00 .a�s..��........ Call Trace: [<ffffffff802840e5>] object_err+0x105/0x1b0 [<ffffffff80284485>] check_object+0x1b5/0x1d0 [<ffffffff80284ad4>] alloc_object_checks+0x64/0x110 [<ffffffff8028611c>] kmem_cache_alloc+0xfc/0x1a0 [<ffffffff803b7795>] acpi_os_create_semaphore+0x36/0x71 [<ffffffff803cef18>] acpi_ut_mutex_initialize+0x33/0x77 [<ffffffff803cda40>] acpi_initialize_subsystem+0x3f/0x8b [<ffffffff806d382b>] acpi_early_init+0x5c/0x104 [<ffffffff806b2825>] start_kernel+0x245/0x2d0 [<ffffffff806b2127>] _sinittext+0x127/0x170 *** SLUB: Freepointer corrupt in [EMAIL PROTECTED] Slab 0xffff81019f019d80 offset=80 flags=0x6000000000000c7 inuse=1 freelist=0xffff81018033b050 Bytes b4 0xffff81018033b040: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ Object 0xffff81018033b050: 95 77 3b 80 ff ff ff ff 00 00 00 00 00 00 00 00 .w;.����........ Object 0xffff81018033b060: 74 db fe ff 00 00 00 00 00 00 00 00 00 00 00 00 t���............ Object 0xffff81018033b070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ Object 0xffff81018033b080: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ Object 0xffff81018033b090: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ FreePointer 0xffff81018033b050 -> 0xffffffff803b7795 Last alloc: 0xffff81018033b0f0 jiffies since=4294892404 cpu=0 pid=0 Filler 0xffff81018033b0d0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ Filler 0xffff81018033b0e0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ Filler 0xffff81018033b0f0: 40 b1 33 80 01 81 ff ff 00 00 00 00 00 00 00 00 @�3...��........ Filler 0xffff81018033b100: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ Filler 0xffff81018033b110: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ Filler 0xffff81018033b120: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ Filler 0xffff81018033b130: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ Filler 0xffff81018033b140: 90 b1 33 80 01 81 ff ff 00 00 00 00 00 00 00 00 .�3...��........ Call Trace: [<ffffffff802840e5>] object_err+0x105/0x1b0 [<ffffffff80284485>] check_object+0x1b5/0x1d0 [<ffffffff80284ad4>] alloc_object_checks+0x64/0x110 [<ffffffff8028611c>] kmem_cache_alloc+0xfc/0x1a0 [<ffffffff803b7795>] acpi_os_create_semaphore+0x36/0x71 [<ffffffff803cef18>] acpi_ut_mutex_initialize+0x33/0x77 [<ffffffff803cda40>] acpi_initialize_subsystem+0x3f/0x8b [<ffffffff806d382b>] acpi_early_init+0x5c/0x104 [<ffffffff806b2825>] start_kernel+0x245/0x2d0 [<ffffffff806b2127>] _sinittext+0x127/0x170