[ 0.000000] Initializing cgroup subsys cpuset [ 0.000000] Initializing cgroup subsys cpu [ 0.000000] Linux version 2.6.35-23-server (buildd@yellow) (gcc version 4.4.5 (Ubuntu/Linaro 4.4.4-14ubuntu5) ) #37-Ubuntu SMP Fri Nov 5 20:33:07 UTC 2010 (Ubuntu 2.6.35-23.37-server 2.6.35.7) [ 0.000000] Command line: root=UUID=117e7454-02a6-4a1e-bdac-47217cd3422a ro quiet splash root=/dev/sda ro [ 0.000000] ACPI in unprivileged domain disabled [ 0.000000] BIOS-provided physical RAM map: [ 0.000000] Xen: 0000000000000000 - 00000000000a0000 (usable) [ 0.000000] Xen: 00000000000a0000 - 0000000000100000 (reserved) [ 0.000000] Xen: 0000000000100000 - 0000000020000000 (usable) [ 0.000000] NX (Execute Disable) protection: active [ 0.000000] DMI not present or invalid. [ 0.000000] e820 update range: 0000000000000000 - 0000000000001000 (usable) ==> (reserved) [ 0.000000] e820 remove range: 00000000000a0000 - 0000000000100000 (usable) [ 0.000000] No AGP bridge found [ 0.000000] last_pfn = 0x20000 max_arch_pfn = 0x400000000 [ 0.000000] e820 update range: 0000000000001000 - 0000000000010000 (usable) ==> (reserved) [ 0.000000] Scanning 1 areas for low memory corruption [ 0.000000] modified physical RAM map: [ 0.000000] modified: 0000000000000000 - 0000000000010000 (reserved) [ 0.000000] modified: 0000000000010000 - 00000000000a0000 (usable) [ 0.000000] modified: 00000000000a0000 - 0000000000100000 (reserved) [ 0.000000] modified: 0000000000100000 - 0000000020000000 (usable) [ 0.000000] initial memory mapped : 0 - 20000000 [ 0.000000] init_memory_mapping: 0000000000000000-0000000020000000 [ 0.000000] 0000000000 - 0020000000 page 4k [ 0.000000] kernel direct mapping tables up to 20000000 @ 100000-202000 [ 0.000000] RAMDISK: 01d3b000 - 03b88000 [ 0.000000] No NUMA configuration found [ 0.000000] Faking a node at 0000000000000000-0000000020000000 [ 0.000000] Initmem setup node 0 0000000000000000-0000000020000000 [ 0.000000] NODE_DATA [0000000001d1a980 - 0000000001d1f97f] [ 0.000000] Zone PFN ranges: [ 0.000000] DMA 0x00000010 -> 0x00001000 [ 0.000000] DMA32 0x00001000 -> 0x00100000 [ 0.000000] Normal empty [ 0.000000] Movable zone start PFN for each node [ 0.000000] early_node_map[2] active PFN ranges [ 0.000000] 0: 0x00000010 -> 0x000000a0 [ 0.000000] 0: 0x00000100 -> 0x00020000 [ 0.000000] On node 0 totalpages: 130960 [ 0.000000] DMA zone: 56 pages used for memmap [ 0.000000] DMA zone: 0 pages reserved [ 0.000000] DMA zone: 3928 pages, LIFO batch:0 [ 0.000000] DMA32 zone: 1736 pages used for memmap [ 0.000000] DMA32 zone: 125240 pages, LIFO batch:31 [ 0.000000] SFI: Simple Firmware Interface v0.81 http://simplefirmware.org [ 0.000000] SMP: Allowing 1 CPUs, 0 hotplug CPUs [ 0.000000] No local APIC present [ 0.000000] APIC: disable apic facility [ 0.000000] APIC: switched to apic NOOP [ 0.000000] nr_irqs_gsi: 16 [ 0.000000] PM: Registered nosave memory: 00000000000a0000 - 0000000000100000 [ 0.000000] Allocating PCI resources starting at 20000000 (gap: 20000000:e0000000) [ 0.000000] Booting paravirtualized kernel on Xen [ 0.000000] Xen version: 4.0.1 (preserve-AD) [ 0.000000] early_res array is doubled to 64 at [16060 - 1685f] [ 0.000000] setup_percpu: NR_CPUS:64 nr_cpumask_bits:64 nr_cpu_ids:1 nr_node_ids:1 [ 0.000000] PERCPU: Embedded 30 pages/cpu @ffff880003cde000 s91520 r8192 d23168 u122880 [ 0.000000] pcpu-alloc: s91520 r8192 d23168 u122880 alloc=30*4096 [ 0.000000] pcpu-alloc: [0] 0 [ 0.000000] trying to map vcpu_info 0 at ffff880003ce9020, mfn 5f854, offset 32 [ 0.000000] cpu 0 using vcpu_info at ffff880003ce9020 [ 0.000000] Xen: using vcpu_info placement [ 0.000000] Built 1 zonelists in Node order, mobility grouping on. Total pages: 129168 [ 0.000000] Policy zone: DMA32 [ 0.000000] Kernel command line: root=UUID=117e7454-02a6-4a1e-bdac-47217cd3422a ro quiet splash root=/dev/sda ro [ 0.000000] PID hash table entries: 2048 (order: 2, 16384 bytes) [ 0.000000] Checking aperture... [ 0.000000] No AGP bridge found [ 0.000000] Calgary: detecting Calgary via BIOS EBDA area [ 0.000000] Calgary: Unable to locate Rio Grande table in EBDA - bailing! [ 0.000000] Subtract (39 early reservations) [ 0.000000] #1 [0003c8b000 - 0003cae000] XEN PAGETABLES [ 0.000000] #2 [0001000000 - 0001d1a954] TEXT DATA BSS [ 0.000000] #3 [0001d3b000 - 0003b88000] RAMDISK [ 0.000000] #4 [0003b88000 - 0003c8b000] XEN START INFO [ 0.000000] #5 [0000010000 - 0000012000] TRAMPOLINE [ 0.000000] #6 [0000012000 - 0000016000] ACPI WAKEUP [ 0.000000] #7 [0000100000 - 00001dc000] PGTABLE [ 0.000000] #8 [0001d1a980 - 0001d1f980] NODE_DATA [ 0.000000] #9 [0001d1f980 - 0001d20980] BOOTMEM [ 0.000000] #10 [0000016000 - 0000016060] BOOTMEM [ 0.000000] #11 [0001d21000 - 0001d22000] BOOTMEM [ 0.000000] #12 [0001d22000 - 0001d23000] BOOTMEM [ 0.000000] #13 [0001d23000 - 0001d24000] BOOTMEM [ 0.000000] #14 [0001d24000 - 0001d25000] BOOTMEM [ 0.000000] #15 [0001d25000 - 0001d26000] BOOTMEM [ 0.000000] #16 [0001d26000 - 0001d27000] BOOTMEM [ 0.000000] #17 [0004600000 - 0004d00000] MEMMAP 0 [ 0.000000] #18 [0003cae000 - 0003cc6000] BOOTMEM [ 0.000000] #19 [0003cc6000 - 0003cde000] BOOTMEM [ 0.000000] #20 [0001d27000 - 0001d28000] BOOTMEM [ 0.000000] #21 [0001d28000 - 0001d29000] BOOTMEM [ 0.000000] #22 [0001d29000 - 0001d2a000] BOOTMEM [ 0.000000] #23 [0001d20980 - 0001d20a60] BOOTMEM [ 0.000000] #24 [0001d20a80 - 0001d20ae8] BOOTMEM [ 0.000000] #25 [0001d20b00 - 0001d20b68] BOOTMEM [ 0.000000] #26 [0001d20b80 - 0001d20be8] BOOTMEM [ 0.000000] #27 [0001d20c00 - 0001d20c20] BOOTMEM [ 0.000000] #28 [0001d20c40 - 0001d20c93] BOOTMEM [ 0.000000] #29 [0001d20cc0 - 0001d20d13] BOOTMEM [ 0.000000] #30 [0003cde000 - 0003cfc000] BOOTMEM [ 0.000000] #31 [0001d20d40 - 0001d20d48] BOOTMEM [ 0.000000] #32 [0001d20d80 - 0001d20d88] BOOTMEM [ 0.000000] #33 [0001d20dc0 - 0001d20dc4] BOOTMEM [ 0.000000] #34 [0001d20e00 - 0001d20e08] BOOTMEM [ 0.000000] #35 [0001d20e40 - 0001d20f40] BOOTMEM [ 0.000000] #36 [0001d20f40 - 0001d20f88] BOOTMEM [ 0.000000] #37 [0001d2c000 - 0001d2c048] BOOTMEM [ 0.000000] #38 [0001d2c080 - 0001d30080] BOOTMEM [ 0.000000] Memory: 469748k/524288k available (5796k kernel code, 448k absent, 54092k reserved, 5386k data, 828k init) [ 0.000000] SLUB: Genslabs=14, 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-based detection of stalled CPUs is disabled. [ 0.000000] Verbose stalled-CPUs detection is disabled. [ 0.000000] NR_IRQS:4352 nr_irqs:256 [ 0.000000] Console: colour dummy device 80x25 [ 0.000000] console [tty0] enabled [ 0.000000] console [hvc0] enabled [ 0.000000] allocated 5242880 bytes of page_cgroup [ 0.000000] please try 'cgroup_disable=memory' option if you don't want memory cgroups [ 0.000000] Xen: using vcpuop timer interface [ 0.000000] installing Xen timer for CPU 0 [ 0.000000] Detected 2400.012 MHz processor. [ 0.010000] Calibrating delay loop (skipped), value calculated using timer frequency.. 4800.02 BogoMIPS (lpj=24000120) [ 0.010000] pid_max: default: 32768 minimum: 301 [ 0.010000] Security Framework initialized [ 0.010000] AppArmor: AppArmor initialized [ 0.010000] Yama: becoming mindful. [ 0.010000] Dentry cache hash table entries: 65536 (order: 7, 524288 bytes) [ 0.010000] Inode-cache hash table entries: 32768 (order: 6, 262144 bytes) [ 0.010000] Mount-cache hash table entries: 256 [ 0.010000] Initializing cgroup subsys ns [ 0.010000] Initializing cgroup subsys cpuacct [ 0.010000] Initializing cgroup subsys memory [ 0.010000] Initializing cgroup subsys devices [ 0.010000] Initializing cgroup subsys freezer [ 0.010000] Initializing cgroup subsys net_cls [ 0.010000] tseg: 0000000000 [ 0.010000] CPU: Physical Processor ID: 0 [ 0.010000] CPU: Processor Core ID: 0 [ 0.010000] Performance Events: [ 0.010000] no APIC, boot with the "lapic" boot parameter to force-enable it. [ 0.010000] no hardware sampling interrupt available. [ 0.010000] AMD PMU driver. [ 0.010000] ... version: 0 [ 0.010000] ... bit width: 48 [ 0.010000] ... generic registers: 4 [ 0.010000] ... value mask: 0000ffffffffffff [ 0.010000] ... max period: 00007fffffffffff [ 0.010000] ... fixed-purpose events: 0 [ 0.010000] ... event mask: 000000000000000f [ 0.010000] SMP alternatives: switching to UP code [ 0.010000] Freeing SMP alternatives: 24k freed [ 0.010000] ftrace: converting mcount calls to 0f 1f 44 00 00 [ 0.010000] ftrace: allocating 22990 entries in 91 pages [ 0.010111] cpu 0 spinlock event irq 1 [ 0.010289] Brought up 1 CPUs [ 0.010457] devtmpfs: initialized [ 0.014154] Grant table initialized [ 0.014158] regulator: core version 0.5 [ 0.034161] Time: 165:165:165 Date: 165/165/65 [ 0.034218] NET: Registered protocol family 16 [ 0.034401] PCI: Fatal: No config space access function found [ 0.034401] bio: create slab at 0 [ 0.034401] ACPI: Interpreter disabled. [ 0.034401] xen_balloon: Initialising balloon driver. [ 0.034401] vgaarb: loaded [ 0.034401] SCSI subsystem initialized [ 0.034401] libata version 3.00 loaded. [ 0.034401] usbcore: registered new interface driver usbfs [ 0.034401] usbcore: registered new interface driver hub [ 0.034401] usbcore: registered new device driver usb [ 0.034401] PCI: System does not support PCI [ 0.034401] PCI: System does not support PCI [ 0.034401] NetLabel: Initializing [ 0.034401] NetLabel: domain hash size = 128 [ 0.034401] NetLabel: protocols = UNLABELED CIPSOv4 [ 0.034401] NetLabel: unlabeled traffic allowed by default [ 0.034401] Switching to clocksource xen [ 0.043595] AppArmor: AppArmor Filesystem Enabled [ 0.043600] pnp: PnP ACPI: disabled [ 0.045319] NET: Registered protocol family 2 [ 0.045404] IP route cache hash table entries: 4096 (order: 3, 32768 bytes) [ 0.045704] TCP established hash table entries: 16384 (order: 6, 262144 bytes) [ 0.045884] TCP bind hash table entries: 16384 (order: 6, 262144 bytes) [ 0.045986] TCP: Hash tables configured (established 16384 bind 16384) [ 0.045990] TCP reno registered [ 0.045998] UDP hash table entries: 256 (order: 1, 8192 bytes) [ 0.046010] UDP-Lite hash table entries: 256 (order: 1, 8192 bytes) [ 0.046096] NET: Registered protocol family 1 [ 0.046106] PCI: CLS 0 bytes, default 64 [ 0.046184] platform rtc_cmos: registered platform RTC device (no PNP device found) [ 0.046258] Scanning for low memory corruption every 60 seconds [ 0.046410] audit: initializing netlink socket (disabled) [ 0.046425] type=2000 audit(1289249693.113:1): initialized [ 0.058875] Trying to unpack rootfs image as initramfs... [ 0.090101] HugeTLB registered 2 MB page size, pre-allocated 0 pages [ 0.091822] VFS: Disk quotas dquot_6.5.2 [ 0.091892] Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 0.092597] fuse init (API version 7.14) [ 0.092710] msgmni has been set to 917 [ 0.104598] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 253) [ 0.104603] io scheduler noop registered [ 0.104607] io scheduler deadline registered (default) [ 0.104651] io scheduler cfq registered [ 0.104730] pci_hotplug: PCI Hot Plug PCI Core version: 0.5 [ 0.104760] pciehp: PCI Express Hot Plug Controller Driver version: 0.4 [ 0.108265] Freeing initrd memory: 31028k freed [ 0.123066] Linux agpgart interface v0.103 [ 0.123088] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 0.124455] brd: module loaded [ 0.125078] loop: module loaded [ 0.125690] Fixed MDIO Bus: probed [ 0.125728] PPP generic driver version 2.4.2 [ 0.125780] tun: Universal TUN/TAP device driver, 1.6 [ 0.125784] tun: (C) 1999-2004 Max Krasnyansky [ 0.125872] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver [ 0.125890] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver [ 0.125902] uhci_hcd: USB Universal Host Controller Interface driver [ 0.125990] PNP: No PS/2 controller found. Probing ports directly. [ 0.126816] i8042.c: No controller found. [ 0.126878] mice: PS/2 mouse device common for all mice [ 0.126937] rtc_cmos: probe of rtc_cmos failed with error -16 [ 0.127046] device-mapper: uevent: version 1.0.3 [ 0.127166] device-mapper: ioctl: 4.17.0-ioctl (2010-03-05) initialised: dm-devel@redhat.com [ 0.127240] device-mapper: multipath: version 1.1.1 loaded [ 0.127244] device-mapper: multipath round-robin: version 1.0.0 loaded [ 0.127405] cpuidle: using governor ladder [ 0.127408] cpuidle: using governor menu [ 0.127711] TCP cubic registered [ 0.127854] NET: Registered protocol family 10 [ 0.128313] lo: Disabled Privacy Extensions [ 0.128553] NET: Registered protocol family 17 [ 0.128589] powernow-k8: Found 1 AMD Athlon(tm) 64 X2 Dual Core Processor 4600+ (1 cpu cores) (version 2.20.00) [ 0.128778] [Firmware Bug]: powernow-k8: No PSB or ACPI _PSS objects [ 0.128884] PM: Resume from disk failed. [ 0.128898] registered taskstats version 1 [ 0.128912] XENBUS: Device with no driver: device/vkbd/0 [ 0.128915] XENBUS: Device with no driver: device/vfb/0 [ 0.128918] XENBUS: Device with no driver: device/vbd/2048 [ 0.128921] XENBUS: Device with no driver: device/vbd/2064 [ 0.128924] XENBUS: Device with no driver: device/vif/0 [ 0.128927] XENBUS: Device with no driver: device/console/0 [ 0.128942] Magic number: 1:252:3141 [ 0.128973] /build/buildd/linux-2.6.35/drivers/rtc/hctosys.c: unable to open rtc device (rtc0) [ 0.128977] BIOS EDD facility v0.16 2004-Jun-25, 0 devices found [ 0.128980] EDD information not available. [ 0.129144] Freeing unused kernel memory: 828k freed [ 0.129495] Write protecting the kernel read-only data: 10240k [ 0.135244] Freeing unused kernel memory: 328k freed [ 0.136082] Freeing unused kernel memory: 1624k freed [ 0.185769] udev[62]: starting version 163 [ 0.374082] Initialising Xen virtual ethernet driver. [ 0.398517] blkfront device/vbd/2048 num-ring-pages 1 nr_ents 32. [ 0.414434] blkfront device/vbd/2064 num-ring-pages 1 nr_ents 32. [ 0.422377] blkfront: sda: barriers enabled [ 0.422847] sda: unknown partition table [ 0.433134] blkfront: sdb: barriers enabled [ 0.433458] sdb: unknown partition table [ 0.657008] EXT3-fs: barriers not enabled [ 0.664488] kjournald starting. Commit interval 5 seconds [ 0.664510] EXT3-fs (sda): mounted filesystem with ordered data mode [ 2.761968] Adding 262140k swap on /dev/sdb. Priority:-1 extents:1 across:262140k SS [ 3.152276] udev[201]: starting version 163 [ 3.849844] input: Xen Virtual Keyboard as /devices/virtual/input/input0 [ 3.849951] input: Xen Virtual Pointer as /devices/virtual/input/input1 [ 3.896020] Console: switching to colour frame buffer device 100x37 [ 3.898059] console [tty0] enabled [ 4.131960] type=1400 audit(1289249697.203:2): apparmor="STATUS" operation="profile_load" name="/sbin/dhclient3" pid=303 comm="apparmor_parser" [ 4.132220] type=1400 audit(1289249697.203:3): apparmor="STATUS" operation="profile_load" name="/usr/lib/NetworkManager/nm-dhcp-client.action" pid=303 comm="apparmor_parser" [ 4.132369] type=1400 audit(1289249697.203:4): apparmor="STATUS" operation="profile_load" name="/usr/lib/connman/scripts/dhclient-script" pid=303 comm="apparmor_parser" [ 4.171519] RPC: Registered udp transport module. [ 4.171524] RPC: Registered tcp transport module. [ 4.171527] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 4.498889] EXT3-fs (sda): using internal journal [ 5.309833] Slow work thread pool: Starting up [ 5.326466] Slow work thread pool: Ready [ 5.326551] FS-Cache: Loaded [ 5.361225] FS-Cache: Netfs 'nfs' registered for caching [ 5.484385] Installing knfsd (copyright (C) 1996 okir@monad.swb.de). [ 5.597898] type=1400 audit(1289249698.673:5): apparmor="STATUS" operation="profile_load" name="/usr/share/gdm/guest-session/Xsession" pid=556 comm="apparmor_parser" [ 5.601306] type=1400 audit(1289249698.673:6): apparmor="STATUS" operation="profile_replace" name="/sbin/dhclient3" pid=557 comm="apparmor_parser" [ 5.601574] type=1400 audit(1289249698.673:7): apparmor="STATUS" operation="profile_replace" name="/usr/lib/NetworkManager/nm-dhcp-client.action" pid=557 comm="apparmor_parser" [ 5.601730] type=1400 audit(1289249698.673:8): apparmor="STATUS" operation="profile_replace" name="/usr/lib/connman/scripts/dhclient-script" pid=557 comm="apparmor_parser" [ 5.607615] type=1400 audit(1289249698.673:9): apparmor="STATUS" operation="profile_load" name="/usr/bin/evince" pid=558 comm="apparmor_parser" [ 5.612751] type=1400 audit(1289249698.683:10): apparmor="STATUS" operation="profile_load" name="/usr/bin/evince-previewer" pid=558 comm="apparmor_parser" [ 5.616370] type=1400 audit(1289249698.683:11): apparmor="STATUS" operation="profile_load" name="/usr/bin/evince-thumbnailer" pid=558 comm="apparmor_parser" [ 5.628694] type=1400 audit(1289249698.693:12): apparmor="STATUS" operation="profile_load" name="/usr/lib/cups/backend/cups-pdf" pid=563 comm="apparmor_parser" [ 5.629038] type=1400 audit(1289249698.693:13): apparmor="STATUS" operation="profile_load" name="/usr/sbin/cupsd" pid=563 comm="apparmor_parser" [ 6.225822] lp: driver loaded but no devices found [ 6.252730] ppdev: user-space parallel port driver [ 14.360035] eth0: no IPv6 routers present [ 15.597833] Loading iSCSI transport class v2.0-870. [ 15.671709] iscsi: registered transport (tcp) [ 15.792863] iscsi: registered transport (iser) [ 354.287266] scsi0 : iSCSI Initiator over TCP/IP [ 354.652136] scsi 0:0:0:0: Direct-Access IET VIRTUAL-DISK 0 PQ: 0 ANSI: 4 [ 354.652354] sd 0:0:0:0: Attached scsi generic sg0 type 0 [ 354.663569] sd 0:0:0:0: [sda] 3907018752 512-byte logical blocks: (2.00 TB/1.81 TiB) [ 354.663714] sd 0:0:0:0: [sda] Write Protect is off [ 354.663720] sd 0:0:0:0: [sda] Mode Sense: 77 00 00 08 [ 354.663984] sd 0:0:0:0: [sda] Write cache: disabled, read cache: enabled, doesn't support DPO or FUA [ 354.664023] ------------[ cut here ]------------ [ 354.664031] WARNING: at /build/buildd/linux-2.6.35/fs/sysfs/dir.c:451 sysfs_add_one+0xc5/0x130() [ 354.664035] sysfs: cannot create duplicate filename '/class/block/sda' [ 354.664039] Modules linked in: crc32c ib_iser rdma_cm ib_cm iw_cm ib_sa ib_mad ib_core ib_addr iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi parport_pc binfmt_misc ppdev lp parport nfsd exportfs nfs lockd fscache nfs_acl auth_rpcgss sunrpc joydev xen_fbfront fb_sys_fops sysimgblt xen_kbdfront sysfillrect syscopyarea xen_netfront xen_blkfront [ 354.664105] Pid: 1565, comm: async/0 Not tainted 2.6.35-23-server #37-Ubuntu [ 354.664109] Call Trace: [ 354.664118] [] warn_slowpath_common+0x7f/0xc0 [ 354.664126] [] ? xen_force_evtchn_callback+0xd/0x10 [ 354.664132] [] warn_slowpath_fmt+0x46/0x50 [ 354.664137] [] sysfs_add_one+0xc5/0x130 [ 354.664143] [] sysfs_do_create_link+0x13b/0x210 [ 354.664149] [] sysfs_create_link+0x13/0x20 [ 354.664157] [] device_add_class_symlinks+0x6c/0x100 [ 354.664162] [] device_add+0x238/0x440 [ 354.664169] [] register_disk+0x41/0x180 [ 354.664176] [] add_disk+0x8c/0x160 [ 354.664183] [] sd_probe_async+0x12b/0x220 [ 354.664189] [] ? async_thread+0x0/0xf0 [ 354.664194] [] run_one_entry+0x7a/0x1a0 [ 354.664200] [] async_thread+0x5d/0xf0 [ 354.664205] [] ? default_wake_function+0x0/0x20 [ 354.664212] [] kthread+0x96/0xa0 [ 354.664218] [] kernel_thread_helper+0x4/0x10 [ 354.664224] [] ? int_ret_from_sys_call+0x7/0x1b [ 354.664231] [] ? retint_restore_args+0x5/0x6 [ 354.664237] [] ? kernel_thread_helper+0x0/0x10 [ 354.664241] ---[ end trace 5c9ad48490a7bab6 ]--- [ 354.664265] ------------[ cut here ]------------ [ 354.664275] kernel BUG at /build/buildd/linux-2.6.35/fs/sysfs/group.c:65! [ 354.664281] invalid opcode: 0000 [#1] SMP [ 354.664289] last sysfs file: /sys/devices/platform/host0/session1/target0:0:0/0:0:0:0/bsg/0:0:0:0/uevent [ 354.664296] CPU 0 [ 354.664299] Modules linked in: crc32c ib_iser rdma_cm ib_cm iw_cm ib_sa ib_mad ib_core ib_addr iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi parport_pc binfmt_misc ppdev lp parport nfsd exportfs nfs lockd fscache nfs_acl auth_rpcgss sunrpc joydev xen_fbfront fb_sys_fops sysimgblt xen_kbdfront sysfillrect syscopyarea xen_netfront xen_blkfront [ 354.664378] [ 354.664383] Pid: 1565, comm: async/0 Tainted: G W 2.6.35-23-server #37-Ubuntu / [ 354.664389] RIP: e030:[] [] internal_create_group+0xf9/0x1a0 [ 354.664399] RSP: e02b:ffff88001d5cbd50 EFLAGS: 00010246 [ 354.664404] RAX: 00000000ffffffef RBX: ffff88001cf66d20 RCX: 0000000000000000 [ 354.664410] RDX: ffffffff81a46b40 RSI: 0000000000000000 RDI: ffff88001e2a6870 [ 354.664416] RBP: ffff88001d5cbda0 R08: 0000000000000000 R09: 0000000000000000 [ 354.664422] R10: 0000000000000001 R11: 0000000000000001 R12: ffff88001e2a6800 [ 354.664428] R13: ffff88001e2a6870 R14: ffffffff81a46b40 R15: 0000000000000000 [ 354.664436] FS: 00007fefb6db97a0(0000) GS:ffff880003cde000(0000) knlGS:0000000000000000 [ 354.664443] CS: e033 DS: 0000 ES: 0000 CR0: 000000008005003b [ 354.664448] CR2: 00007fefb66e4220 CR3: 000000001d67b000 CR4: 0000000000000660 [ 354.664455] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 354.664461] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 [ 354.664467] Process async/0 (pid: 1565, threadinfo ffff88001d5ca000, task ffff88001e39adc0) [ 354.664472] Stack: [ 354.664476] ffff88001d5cbdb0 0000000081385b45 0000000000303a38 ffff88001d5cbdc0 [ 354.664487] <0> ffff88001d5cbd80 ffff88001cf66d20 ffff88001e2a6800 ffff88001e2a6860 [ 354.664501] <0> ffff88001e2a6800 0000000000000000 ffff88001d5cbdb0 ffffffff811c0f83 [ 354.664516] Call Trace: [ 354.664523] [] sysfs_create_group+0x13/0x20 [ 354.664531] [] blk_trace_init_sysfs+0x14/0x20 [ 354.664539] [] blk_register_queue+0x40/0x100 [ 354.664547] [] add_disk+0x94/0x160 [ 354.664554] [] sd_probe_async+0x12b/0x220 [ 354.664561] [] ? async_thread+0x0/0xf0 [ 354.664568] [] run_one_entry+0x7a/0x1a0 [ 354.664576] [] async_thread+0x5d/0xf0 [ 354.664583] [] ? default_wake_function+0x0/0x20 [ 354.664590] [] kthread+0x96/0xa0 [ 354.664597] [] kernel_thread_helper+0x4/0x10 [ 354.664605] [] ? int_ret_from_sys_call+0x7/0x1b [ 354.664613] [] ? retint_restore_args+0x5/0x6 [ 354.664621] [] ? kernel_thread_helper+0x0/0x10 [ 354.664626] Code: 24 48 85 c0 74 29 41 83 c7 01 8b 55 bc 85 d2 74 b1 48 8b 10 31 f6 48 89 df e8 64 bd ff ff eb a2 48 83 7f 30 00 0f 85 47 ff ff ff <0f> 0b eb fe 48 8b 5d c8 31 c9 48 85 db 74 18 3e ff 0b 0f 94 c0 [ 354.664752] RIP [] internal_create_group+0xf9/0x1a0 [ 354.664760] RSP [ 354.664766] ---[ end trace 5c9ad48490a7bab7 ]---