On 08/21/2012 12:50 AM, Christoph Lameter wrote: > Use a special function to create kmalloc caches and use that function in > SLAB and SLUB. > > Signed-off-by: Christoph Lameter <cl@xxxxxxxxx> > --- > mm/slab.c | 48 ++++++++++++++---------------------------------- > mm/slab.h | 5 +++++ > mm/slab_common.c | 32 ++++++++++++++++++++++++++++++++ > mm/slub.c | 36 +++--------------------------------- > 4 files changed, 54 insertions(+), 67 deletions(-) > > Doesn't boot, dmesg attached. Issue seems to be fixed in the next patch. By the way, the problem I described with my use case starts happening in one of them, either 16 or 17. But since I cannot boot this one, I can't tell which one is the culprit.
[ 0.000000] Initializing cgroup subsys cpuset [ 0.000000] Initializing cgroup subsys cpu [ 0.000000] Linux version 3.6.0-rc1+ (glauber@straightjacket.localdomain) (gcc version 4.7.0 20120507 (Red Hat 4.7.0-5) (GCC) ) #464 SMP Wed Aug 22 12:57:47 MSK 2012 [ 0.000000] Command line: ro root=/dev/mapper/vg_containers2-lv_root console=ttyS0 earlyprintk=ttyS0 selinux=0 slub_nomerge=1 [ 0.000000] e820: BIOS-provided physical RAM map: [ 0.000000] BIOS-e820: [mem 0x0000000000000000-0x000000000009f3ff] usable [ 0.000000] BIOS-e820: [mem 0x000000000009f400-0x000000000009ffff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000000f0000-0x00000000000fffff] reserved [ 0.000000] BIOS-e820: [mem 0x0000000000100000-0x000000003fffdfff] usable [ 0.000000] BIOS-e820: [mem 0x000000003fffe000-0x000000003fffffff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000feffc000-0x00000000feffffff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000fffc0000-0x00000000ffffffff] reserved [ 0.000000] bootconsole [earlyser0] enabled [ 0.000000] NX (Execute Disable) protection: active [ 0.000000] DMI 2.4 present. [ 0.000000] Hypervisor detected: KVM [ 0.000000] No AGP bridge found [ 0.000000] e820: last_pfn = 0x3fffe max_arch_pfn = 0x400000000 [ 0.000000] PAT not supported by CPU. [ 0.000000] found SMP MP-table at [mem 0x000fdb00-0x000fdb0f] mapped at [ffff8800000fdb00] [ 0.000000] init_memory_mapping: [mem 0x00000000-0x3fffdfff] [ 0.000000] RAMDISK: [mem 0x3ece8000-0x3ffeffff] [ 0.000000] ACPI: RSDP 00000000000fd9a0 00014 (v00 BOCHS ) [ 0.000000] ACPI: RSDT 000000003fffe5d0 00038 (v01 BOCHS BXPCRSDT 00000001 BXPC 00000001) [ 0.000000] ACPI: FACP 000000003fffff80 00074 (v01 BOCHS BXPCFACP 00000001 BXPC 00000001) [ 0.000000] ACPI: DSDT 000000003fffe610 01109 (v01 BXPC BXDSDT 00000001 INTL 20100528) [ 0.000000] ACPI: FACS 000000003fffff40 00040 [ 0.000000] ACPI: SSDT 000000003ffffea0 0009E (v01 BOCHS BXPCSSDT 00000001 BXPC 00000001) [ 0.000000] ACPI: APIC 000000003ffffdb0 00078 (v01 BOCHS BXPCAPIC 00000001 BXPC 00000001) [ 0.000000] ACPI: HPET 000000003ffffd70 00038 (v01 BOCHS BXPCHPET 00000001 BXPC 00000001) [ 0.000000] ACPI: SSDT 000000003ffff720 00644 (v01 BXPC BXSSDTPC 00000001 INTL 20100528) [ 0.000000] No NUMA configuration found [ 0.000000] Faking a node at [mem 0x0000000000000000-0x000000003fffdfff] [ 0.000000] Initmem setup node 0 [mem 0x00000000-0x3fffdfff] [ 0.000000] NODE_DATA [mem 0x3ecd3000-0x3ece7fff] [ 0.000000] kvm-clock: Using msrs 4b564d01 and 4b564d00 [ 0.000000] kvm-clock: cpu 0, msr 0:1b08181, boot clock [ 0.000000] Zone ranges: [ 0.000000] DMA [mem 0x00010000-0x00ffffff] [ 0.000000] DMA32 [mem 0x01000000-0xffffffff] [ 0.000000] Normal empty [ 0.000000] Movable zone start for each node [ 0.000000] Early memory node ranges [ 0.000000] node 0: [mem 0x00010000-0x0009efff] [ 0.000000] node 0: [mem 0x00100000-0x3fffdfff] [ 0.000000] ACPI: PM-Timer IO Port: 0xb008 [ 0.000000] ACPI: LAPIC (acpi_id[0x00] lapic_id[0x00] enabled) [ 0.000000] ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1]) [ 0.000000] ACPI: IOAPIC (id[0x01] address[0xfec00000] gsi_base[0]) [ 0.000000] IOAPIC[0]: apic_id 1, version 17, address 0xfec00000, GSI 0-23 [ 0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl) [ 0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 5 global_irq 5 high level) [ 0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) [ 0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 10 global_irq 10 high level) [ 0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 high level) [ 0.000000] Using ACPI (MADT) for SMP configuration information [ 0.000000] ACPI: HPET id: 0x8086a201 base: 0xfed00000 [ 0.000000] smpboot: Allowing 1 CPUs, 0 hotplug CPUs [ 0.000000] PM: Registered nosave memory: 000000000009f000 - 00000000000a0000 [ 0.000000] PM: Registered nosave memory: 00000000000a0000 - 00000000000f0000 [ 0.000000] PM: Registered nosave memory: 00000000000f0000 - 0000000000100000 [ 0.000000] e820: [mem 0x40000000-0xfeffbfff] available for PCI devices [ 0.000000] Booting paravirtualized kernel on KVM [ 0.000000] setup_percpu: NR_CPUS:256 nr_cpumask_bits:256 nr_cpu_ids:1 nr_node_ids:1 [ 0.000000] PERCPU: Embedded 28 pages/cpu @ffff88003ea00000 s86016 r8192 d20480 u2097152 [ 0.000000] kvm-clock: cpu 0, msr 0:3ea14181, primary cpu clock [ 0.000000] KVM setup async PF for cpu 0 [ 0.000000] kvm-stealtime: cpu 0, msr 3ea0dfc0 [ 0.000000] Built 1 zonelists in Node order, mobility grouping on. Total pages: 257927 [ 0.000000] Policy zone: DMA32 [ 0.000000] Kernel command line: ro root=/dev/mapper/vg_containers2-lv_root console=ttyS0 earlyprintk=ttyS0 selinux=0 slub_nomerge=1 [ 0.000000] PID hash table entries: 4096 (order: 3, 32768 bytes) [ 0.000000] __ex_table already sorted, skipping sort [ 0.000000] Checking aperture... [ 0.000000] No AGP bridge found [ 0.000000] Memory: 989024k/1048568k available (5318k kernel code, 452k absent, 59092k reserved, 5892k data, 948k init) [ 0.000000] SLUB: Genslabs=15, HWalign=64, Order=0-3, MinObjects=0, CPUs=1, Nodes=1 [ 0.000000] Hierarchical RCU implementation. [ 0.000000] RCU dyntick-idle grace-period acceleration is enabled. [ 0.000000] RCU lockdep checking is enabled. [ 0.000000] RCU restricting CPUs from NR_CPUS=256 to nr_cpu_ids=1. [ 0.000000] NR_IRQS:16640 nr_irqs:256 16 [ 0.000000] Console: colour VGA+ 80x25 [ 0.000000] console [ttyS0] enabled, bootconsole disabled [ 0.000000] console [ttyS0] enabled, bootconsole disabled [ 0.000000] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 0.000000] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 0.000000] ... MAX_LOCK_DEPTH: 48 [ 0.000000] ... MAX_LOCKDEP_KEYS: 8191 [ 0.000000] ... CLASSHASH_SIZE: 4096 [ 0.000000] ... MAX_LOCKDEP_ENTRIES: 16384 [ 0.000000] ... MAX_LOCKDEP_CHAINS: 32768 [ 0.000000] ... CHAINHASH_SIZE: 16384 [ 0.000000] memory used by lock dependency info: 5855 kB [ 0.000000] per task-struct memory footprint: 1920 bytes [ 0.000000] allocated 4194304 bytes of page_cgroup [ 0.000000] please try 'cgroup_disable=memory' option if you don't want memory cgroups [ 0.000000] tsc: Detected 2691.258 MHz processor [ 0.000999] Calibrating delay loop (skipped) preset value.. 5382.51 BogoMIPS (lpj=2691258) [ 0.001568] pid_max: default: 32768 minimum: 301 [ 0.002394] Security Framework initialized [ 0.003014] SELinux: Disabled at boot. [ 0.003999] Dentry cache hash table entries: 131072 (order: 8, 1048576 bytes) [ 0.005365] Inode-cache hash table entries: 65536 (order: 7, 524288 bytes) [ 0.006260] Mount-cache hash table entries: 256 [ 0.009292] Initializing cgroup subsys cpuacct [ 0.010005] Initializing cgroup subsys memory [ 0.010998] Initializing cgroup subsys devices [ 0.011016] Initializing cgroup subsys freezer [ 0.011905] Initializing cgroup subsys net_cls [ 0.011998] Initializing cgroup subsys blkio [ 0.012008] Initializing cgroup subsys perf_event [ 0.012998] mce: CPU supports 10 MCE banks [ 0.012998] Last level iTLB entries: 4KB 0, 2MB 0, 4MB 0 [ 0.012998] Last level dTLB entries: 4KB 0, 2MB 0, 4MB 0 [ 0.012998] tlb_flushall_shift is 0x6 [ 0.013200] SMP alternatives: switching to UP code [ 0.021661] Freeing SMP alternatives: 12k freed [ 0.022016] ACPI: Core revision 20120711 [ 0.052554] ftrace: allocating 23587 entries in 93 pages [ 0.061383] ..TIMER: vector=0x51 apic1=0 pin1=2 apic2=-1 pin2=-1 [ 0.062017] smpboot: CPU0: Intel QEMU Virtual CPU version 1.0,1 stepping 03 [ 0.064990] Performance Events: unsupported p6 CPU model 2 no PMU driver, software events only. [ 0.068076] NMI watchdog: disabled (cpu0): hardware events not enabled [ 0.069101] Brought up 1 CPUs [ 0.069995] smpboot: Total of 1 processors activated (5382.51 BogoMIPS) [ 0.072679] devtmpfs: initialized [ 0.080715] atomic64 test passed for x86-64 platform with CX8 and with SSE [ 0.082253] RTC time: 9:24:15, date: 08/22/12 [ 0.084280] NET: Registered protocol family 16 [ 0.087400] ACPI: bus type pci registered [ 0.088992] PCI: Using configuration type 1 for base access [ 0.110342] bio: create slab <bio-0> at 0 [ 0.113264] ACPI: Added _OSI(Module Device) [ 0.115020] ACPI: Added _OSI(Processor Device) [ 0.117016] ACPI: Added _OSI(3.0 _SCP Extensions) [ 0.119022] ACPI: Added _OSI(Processor Aggregator Device) [ 0.183830] ACPI: Interpreter enabled [ 0.184985] ACPI: (supports S0 S5) [ 0.186258] ACPI: Using IOAPIC for interrupt routing [ 0.260306] ACPI: No dock devices found. [ 0.260977] PCI: Ignoring host bridge windows from ACPI; if necessary, use "pci=use_crs" and report a bug [ 0.263290] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 0.265253] pci_root PNP0A03:00: fail to add MMCONFIG information, can't access extended PCI configuration space under this bridge. [ 0.268263] PCI host bridge to bus 0000:00 [ 0.268984] pci_bus 0000:00: root bus resource [bus 00-ff] [ 0.269980] pci_bus 0000:00: root bus resource [io 0x0000-0xffff] [ 0.270973] pci_bus 0000:00: root bus resource [mem 0x00000000-0xffffffffff] [ 0.275162] pci 0000:00:01.3: quirk: [io 0xb000-0xb03f] claimed by PIIX4 ACPI [ 0.275984] pci 0000:00:01.3: quirk: [io 0xb100-0xb10f] claimed by PIIX4 SMB [ 0.300646] pci0000:00: Unable to request _OSC control (_OSC support mask: 0x1e) [ 0.392717] ACPI: PCI Interrupt Link [LNKA] (IRQs 5 *10 11) [ 0.395167] ACPI: PCI Interrupt Link [LNKB] (IRQs 5 *10 11) [ 0.397647] ACPI: PCI Interrupt Link [LNKC] (IRQs 5 10 *11) [ 0.400097] ACPI: PCI Interrupt Link [LNKD] (IRQs 5 10 *11) [ 0.402361] ACPI: PCI Interrupt Link [LNKS] (IRQs 9) *0 [ 0.404785] vgaarb: device added: PCI:0000:00:02.0,decodes=io+mem,owns=io+mem,locks=none [ 0.405963] vgaarb: loaded [ 0.406942] vgaarb: bridge control possible 0000:00:02.0 [ 0.409443] SCSI subsystem initialized [ 0.409953] ACPI: bus type scsi registered [ 0.411592] ACPI: bus type usb registered [ 0.412948] usbcore: registered new interface driver usbfs [ 0.414118] usbcore: registered new interface driver hub [ 0.415261] usbcore: registered new device driver usb [ 0.418028] PCI: Using ACPI for IRQ routing [ 0.420991] NetLabel: Initializing [ 0.421899] NetLabel: domain hash size = 128 [ 0.421943] NetLabel: protocols = UNLABELED CIPSOv4 [ 0.424183] NetLabel: unlabeled traffic allowed by default [ 0.425119] HPET: 3 timers in total, 0 timers will be used for per-cpu timer [ 0.426966] hpet0: at MMIO 0xfed00000, IRQs 2, 8, 0 [ 0.428139] hpet0: 3 comparators, 64-bit 100.000000 MHz counter [ 0.432413] Switching to clocksource kvm-clock [ 0.533735] pnp: PnP ACPI init [ 0.534607] ACPI: bus type pnp registered [ 0.547059] pnp: PnP ACPI: found 8 devices [ 0.548520] ACPI: ACPI bus type pnp unregistered [ 0.570681] NET: Registered protocol family 2 [ 0.572612] TCP established hash table entries: 131072 (order: 9, 2097152 bytes) [ 0.575192] TCP bind hash table entries: 65536 (order: 10, 4194304 bytes) [ 0.581814] TCP: Hash tables configured (established 131072 bind 65536) [ 0.583261] TCP: reno registered [ 0.583959] UDP hash table entries: 512 (order: 4, 81920 bytes) [ 0.585252] UDP-Lite hash table entries: 512 (order: 4, 81920 bytes) [ 0.587088] NET: Registered protocol family 1 [ 0.588445] pci 0000:00:00.0: Limiting direct PCI/PCI transfers [ 0.589642] pci 0000:00:01.0: PIIX3: Enabling Passive Release [ 0.590824] pci 0000:00:01.0: Activating ISA DMA hang workarounds [ 0.592623] Trying to unpack rootfs image as initramfs... [ 1.098979] Freeing initrd memory: 19488k freed [ 1.108153] audit: initializing netlink socket (disabled) [ 1.109058] type=2000 audit(1345627457.108:1): initialized [ 1.130679] cryptomgr_test (22) used greatest stack depth: 6432 bytes left [ 1.133566] HugeTLB registered 2 MB page size, pre-allocated 0 pages [ 1.174431] kobject (ffff88003e400078): tried to init an initialized object, something is seriously wrong. [ 1.176270] Pid: 1, comm: swapper/0 Not tainted 3.6.0-rc1+ #464 [ 1.177446] Call Trace: [ 1.177943] [<ffffffff8127a1c7>] kobject_init+0x33/0x83 [ 1.179023] [<ffffffff8127a49c>] kobject_init_and_add+0x23/0x7d [ 1.180231] [<ffffffff811a7761>] ? sysfs_addrm_finish+0x1b/0x4d [ 1.181426] [<ffffffff811a5eac>] ? sysfs_hash_and_remove+0x7b/0x8f [ 1.182673] [<ffffffff811386e9>] sysfs_slab_add+0x112/0x179 [ 1.183802] [<ffffffff81b2c219>] ? kmem_cache_init_late+0x6/0x6 [ 1.184999] [<ffffffff81b2c292>] slab_sysfs_init+0x79/0xf8 [ 1.186188] [<ffffffff81b2c219>] ? kmem_cache_init_late+0x6/0x6 [ 1.187306] [<ffffffff81002099>] do_one_initcall+0x7f/0x13a [ 1.188429] [<ffffffff81b09d0e>] kernel_init+0x157/0x1db [ 1.189507] [<ffffffff81b09590>] ? do_early_param+0x8c/0x8c [ 1.190638] [<ffffffff8152ef44>] kernel_thread_helper+0x4/0x10 [ 1.191815] [<ffffffff81527170>] ? retint_restore_args+0x13/0x13 [ 1.193019] [<ffffffff81b09bb7>] ? start_kernel+0x3d5/0x3d5 [ 1.194133] [<ffffffff8152ef40>] ? gs_change+0x13/0x13 [ 1.195510] BUG: unable to handle kernel paging request at 00000001000e000e [ 1.196158] IP: [<ffffffff811a6e72>] sysfs_name_hash+0x17/0x7b [ 1.196158] PGD 0 [ 1.196158] Oops: 0000 [#1] SMP [ 1.196158] Modules linked in: [ 1.196158] CPU 0 [ 1.196158] Pid: 1, comm: swapper/0 Not tainted 3.6.0-rc1+ #464 Bochs Bochs [ 1.196158] RIP: 0010:[<ffffffff811a6e72>] [<ffffffff811a6e72>] sysfs_name_hash+0x17/0x7b [ 1.196158] RSP: 0018:ffff88003ce3bdb0 EFLAGS: 00010246 [ 1.196158] RAX: 0000000000000000 RBX: ffff8800383a3480 RCX: ffffffffffffffff [ 1.196158] RDX: 0000000000000000 RSI: 00000001000e000e RDI: 00000001000e000e [ 1.196158] RBP: ffff88003ce3bdb0 R08: ffff88003ce3bd50 R09: 0000000000000000 [ 1.196158] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000 [ 1.196158] R13: 00000001000e000e R14: 0000000000000001 R15: 0000000000000000 [ 1.196158] FS: 0000000000000000(0000) GS:ffff88003ea00000(0000) knlGS:0000000000000000 [ 1.196158] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b [ 1.196158] CR2: 00000001000e000e CR3: 0000000001a0b000 CR4: 00000000000006f0 [ 1.196158] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 1.196158] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 [ 1.196158] Process swapper/0 (pid: 1, threadinfo ffff88003ce3a000, task ffff88003ce98000) [ 1.196158] Stack: [ 1.196158] ffff88003ce3bde0 ffffffff811a78e8 ffff8800383a2938 0000000000000000 [ 1.196158] 0000000000000000 0000000000000001 ffff88003ce3be20 ffffffff811a5e8f [ 1.196158] ffff8800383a6048 00000001000e000e ffff8800383a2938 0000000000000000 [ 1.196158] Call Trace: [ 1.196158] [<ffffffff811a78e8>] sysfs_find_dirent+0x73/0xc8 [ 1.196158] [<ffffffff811a5e8f>] sysfs_hash_and_remove+0x5e/0x8f [ 1.196158] [<ffffffff81b2c219>] ? kmem_cache_init_late+0x6/0x6 [ 1.196158] [<ffffffff811a7ebf>] sysfs_remove_link+0x25/0x27 [ 1.196158] [<ffffffff8113861e>] sysfs_slab_add+0x47/0x179 [ 1.196158] [<ffffffff81b2c219>] ? kmem_cache_init_late+0x6/0x6 [ 1.196158] [<ffffffff81b2c292>] slab_sysfs_init+0x79/0xf8 [ 1.196158] [<ffffffff81b2c219>] ? kmem_cache_init_late+0x6/0x6 [ 1.196158] [<ffffffff81002099>] do_one_initcall+0x7f/0x13a [ 1.196158] [<ffffffff81b09d0e>] kernel_init+0x157/0x1db [ 1.196158] [<ffffffff81b09590>] ? do_early_param+0x8c/0x8c [ 1.196158] [<ffffffff8152ef44>] kernel_thread_helper+0x4/0x10 [ 1.196158] [<ffffffff81527170>] ? retint_restore_args+0x13/0x13 [ 1.196158] [<ffffffff81b09bb7>] ? start_kernel+0x3d5/0x3d5 [ 1.196158] [<ffffffff8152ef40>] ? gs_change+0x13/0x13 [ 1.196158] Code: 8b 74 24 30 48 89 df e8 ae 85 0d 00 48 89 d8 5b 41 5c 5d c3 55 48 89 e5 66 66 66 66 90 31 c0 48 83 c9 ff 31 d2 49 89 f9 48 89 f7 <f2> ae 48 f7 d1 8d 79 ff 31 c9 eb 1d 4c 0f be 04 16 48 ff c2 4c [ 1.196158] RIP [<ffffffff811a6e72>] sysfs_name_hash+0x17/0x7b [ 1.196158] RSP <ffff88003ce3bdb0> [ 1.196158] CR2: 00000001000e000e [ 1.249177] ---[ end trace 2435bf9aa6be7909 ]--- [ 1.250112] swapper/0 (1) used greatest stack depth: 3824 bytes left [ 1.251395] Kernel panic - not syncing: Attempted to kill init! exitcode=0x00000009 [ 1.251395]