Xen Minimal OS! start_info: 0x4dec000(VA) nr_pages: 0x88b800 shared_inf: 0xbe476000(MA) pt_base: 0x4def000(VA) nr_pt_frames: 0x2b mfn_list: 0x990000(VA) mod_start: 0x0(VA) mod_len: 0 flags: 0x0 cmd_line: root=/dev/sda1 ro 4 stack: 0x94f860-0x96f860 MM: Init _text: 0x0(VA) _etext: 0x5ff6d(VA) _erodata: 0x78000(VA) _edata: 0x80b00(VA) stack start: 0x94f860(VA) _end: 0x98fe68(VA) start_pfn: 4e1d max_pfn: 88b800 Mapping memory range 0x5000000 - 0x88b800000 setting 0x0-0x78000 readonly skipped 0x1000 MM: Initialise page allocator for 9273000(9273000)-88b800000(88b800000) MM: done Demand map pfns at 88b801000-288b801000. Heap resides at 288b802000-488b802000. Initialising timer interface Initialising console ... done. gnttab_table mapped at 0x88b801000. Initialising scheduler Thread "Idle": pointer: 0x288b802010, stack: 0xa010000 Initialising xenbus Thread "xenstore": pointer: 0x288b8027c0, stack: 0xa020000 Dummy main: start_info=0x96f960 Thread "main": pointer: 0x288b802f70, stack: 0xa030000 "main" "root=/dev/sda1" "ro" "4" vbd 2049 is hd0 ******************* BLKFRONT for device/vbd/2049 ********** backend at /local/domain/0/backend/vbd/184/2049 Failed to read /local/domain/0/backend/vbd/184/2049/feature-barrier. Failed to read /local/domain/0/backend/vbd/184/2049/feature-flush-cache. 83886080 sectors of 512 bytes ************************** vbd 2064 is hd1 ******************* BLKFRONT for device/vbd/2064 ********** backend at /local/domain/0/backend/vbd/184/2064 Failed to read /local/domain/0/backend/vbd/184/2064/feature-barrier. Failed to read /local/domain/0/backend/vbd/184/2064/feature-flush-cache. 1761475584 sectors of 512 bytes ************************** vbd 2129 is hd2 ******************* BLKFRONT for device/vbd/2129 ********** backend at /local/domain/0/backend/vbd/184/2129 Failed to read /local/domain/0/backend/vbd/184/2129/feature-barrier. Failed to read /local/domain/0/backend/vbd/184/2129/feature-flush-cache. 104857600 sectors of 512 bytes ************************** vbd 2130 is hd3 ******************* BLKFRONT for device/vbd/2130 ********** backend at /local/domain/0/backend/vbd/184/2130 Failed to read /local/domain/0/backend/vbd/184/2130/feature-barrier. Failed to read /local/domain/0/backend/vbd/184/2130/feature-flush-cache. 104857600 sectors of 512 bytes ************************** vbd 2144 is hd4 ******************* BLKFRONT for device/vbd/2144 ********** backend at /local/domain/0/backend/vbd/184/2144 Failed to read /local/domain/0/backend/vbd/184/2144/feature-barrier. Failed to read /local/domain/0/backend/vbd/184/2144/feature-flush-cache. 629145600 sectors of 512 bytes ************************** vbd 2177 is hd5 ******************* BLKFRONT for device/vbd/2177 ********** backend at /local/domain/0/backend/vbd/184/2177 Failed to read /local/domain/0/backend/vbd/184/2177/feature-barrier. Failed to read /local/domain/0/backend/vbd/184/2177/feature-flush-cache. 167772160 sectors of 512 bytes ************************** vbd 2178 is hd6 ******************* BLKFRONT for device/vbd/2178 ********** backend at /local/domain/0/backend/vbd/184/2178 Failed to read /local/domain/0/backend/vbd/184/2178/feature-barrier. Failed to read /local/domain/0/backend/vbd/184/2178/feature-flush-cache. 167772160 sectors of 512 bytes ************************** vbd 2179 is hd7 ******************* BLKFRONT for device/vbd/2179 ********** backend at /local/domain/0/backend/vbd/184/2179 Failed to read /local/domain/0/backend/vbd/184/2179/feature-barrier. Failed to read /local/domain/0/backend/vbd/184/2179/feature-flush-cache. 167772160 sectors of 512 bytes ************************** vbd 2180 is hd8 ******************* BLKFRONT for device/vbd/2180 ********** backend at /local/domain/0/backend/vbd/184/2180 Failed to read /local/domain/0/backend/vbd/184/2180/feature-barrier. Failed to read /local/domain/0/backend/vbd/184/2180/feature-flush-cache. 167772160 sectors of 512 bytes ************************** vbd 2181 is hd9 ******************* BLKFRONT for device/vbd/2181 ********** backend at /local/domain/0/backend/vbd/184/2181 Failed to read /local/domain/0/backend/vbd/184/2181/feature-barrier. Failed to read /local/domain/0/backend/vbd/184/2181/feature-flush-cache. 167772160 sectors of 512 bytes ************************** vbd 2182 is hd10 ******************* BLKFRONT for device/vbd/2182 ********** backend at /local/domain/0/backend/vbd/184/2182 Failed to read /local/domain/0/backend/vbd/184/2182/feature-barrier. Failed to read /local/domain/0/backend/vbd/184/2182/feature-flush-cache. 167772160 sectors of 512 bytes ************************** vbd 2183 is hd11 ******************* BLKFRONT for device/vbd/2183 ********** backend at /local/domain/0/backend/vbd/184/2183 Failed to read /local/domain/0/backe [H [J Booting 'Ubuntu 10.04.2 LTS, kernel 2.6.32-312-ec2' root (hd0) Filesystem type is ext2fs, using whole disk kernel /boot/vmlinuz-2.6.32-312-ec2 root=UUID=1ee111f7-5117-4b4e-b35b-ce3fba2c 6c38 ro console=hvc0 initrd /boot/initrd.img-2.6.32-312-ec2 xc_dom_probe_bzimage_kernel: kernel is not a bzImage close blk: backend at /local/domain/0/backend/vbd/184/2049 close blk: backend at /local/domain/0/backend/vbd/184/2064 close blk: backend at /local/domain/0/backend/vbd/184/2129 close blk: backend at /local/domain/0/backend/vbd/184/2130 close blk: backend at /local/domain/0/backend/vbd/184/2144 close blk: backend at /local/domain/0/backend/vbd/184/2177 close blk: backend at /local/domain/0/backend/vbd/184/2178 close blk: backend at /local/domain/0/backend/vbd/184/2179 close blk: backend at /local/domain/0/backend/vbd/184/2180 close blk: backend at /local/domain/0/backend/vbd/184/2181 close blk: backend at /local/domain/0/backend/vbd/184/2182 close blk: backend at /local/domain/0/backend/vbd/184/2183 close blk: backend at /local/domain/0/backend/vbd/184/2184 close blk: backend at /local/domain/0/backend/vbd/184/2185 close blk: backend at /local/domain/0/backend/vbd/184/2186 close blk: backend at /local/domain/0/backend/vbd/184/2187 close blk: backend at /local/domain/0/backend/vbd/184/2188 close blk: backend at /local/domain/0/backend/vbd/184/2193 [ 0.000000] Initializing cgroup subsys cpuset [ 0.000000] Initializing cgroup subsys cpu [ 0.000000] Linux version 2.6.32-312-ec2 (buildd@yellow) (gcc version 4.4.3 (Ubuntu 4.4.3-4ubuntu5) ) #24-Ubuntu SMP Fri Jan 7 18:30:50 UTC 2011 (Ubuntu 2.6.32-312.24-ec2 2.6.32.27+drm33.12) [ 0.000000] Command line: root=UUID=1ee111f7-5117-4b4e-b35b-ce3fba2c6c38 ro console=hvc0 [ 0.000000] KERNEL supported cpus: [ 0.000000] Intel GenuineIntel [ 0.000000] AMD AuthenticAMD [ 0.000000] Centaur CentaurHauls [18325119.691136] Xen-provided physical RAM map: [18325119.691138] Xen: 0000000000000000 - 000000088c000000 (usable) [18325119.691150] last_pfn = 0x88c000 max_arch_pfn = 0x80000000 [18325119.691151] last_pfn = 0x100000 max_arch_pfn = 0x80000000 [18325119.691154] init_memory_mapping: 0000000000000000-0000000100000000 [18325119.691156] NX (Execute Disable) protection: active [18325119.811686] init_memory_mapping: 0000000100000000-000000088c000000 [18325119.811690] NX (Execute Disable) protection: active [18325120.621005] RAMDISK: 01844000 - 02ce7000 [18325120.681829] (4 early reservations) ==> bootmem [0000000000 - 088b800000] [18325120.681831] #0 [0001844000 - 0007183000] Xen provided ==> [0001844000 - 0007183000] [18325120.681989] #1 [0001000000 - 00018237b8] TEXT DATA BSS ==> [0001000000 - 00018237b8] [18325120.682005] #2 [0007183000 - 0007988000] PGTABLE ==> [0007183000 - 0007988000] [18325120.682020] #3 [0007988000 - 000b607000] PGTABLE ==> [0007988000 - 000b607000] [18325120.682131] Zone PFN ranges: [18325120.682132] DMA 0x00000000 -> 0x00001000 [18325120.682133] DMA32 0x00001000 -> 0x00100000 [18325120.682135] Normal 0x00100000 -> 0x0088c000 [18325120.682136] Movable zone start PFN for each node [18325120.682137] early_node_map[2] active PFN ranges [18325120.682138] 0: 0x00000000 -> 0x0088b800 [18325120.682139] 0: 0x0088c000 -> 0x0088c000 [18325120.902102] NR_CPUS:64 nr_cpumask_bits:64 nr_cpu_ids:4 nr_node_ids:1 [18325120.902158] PERCPU: Embedded 18 pages/cpu @ffff880002d0e000 s44248 r8192 d21288 u73728 [18325120.902163] pcpu-alloc: s44248 r8192 d21288 u73728 alloc=18*4096 [18325120.902165] pcpu-alloc: [0] 0 [0] 1 [0] 2 [0] 3 [18325120.902185] Built 1 zonelists in Zone order, mobility grouping on. Total pages: 8837472 [18325120.902188] Kernel command line: root=UUID=1ee111f7-5117-4b4e-b35b-ce3fba2c6c38 ro console=hvc0 [18325120.902203] PID hash table entries: 4096 (order: 3, 32768 bytes) [18325120.909611] Dentry cache hash table entries: 8388608 (order: 14, 67108864 bytes) [18325120.924302] Inode-cache hash table entries: 4194304 (order: 13, 33554432 bytes) [18325120.930311] Initializing CPU#0 [18325121.027315] allocated 358481920 bytes of page_cgroup [18325121.027318] please try 'cgroup_disable=memory' option if you don't want memory cgroups [18325121.027321] Software IO TLB disabled [18325121.139827] Memory: 34730240k/35848192k available (4833k kernel code, 8192k absent, 1109084k reserved, 2086k data, 228k init) [18325121.139891] Hierarchical RCU implementation. [18325121.139896] NR_IRQS:96 [18325121.139954] Xen reported: 2666.760 MHz processor. [ 6.784510] Console: colour dummy device 80x25 [ 6.784547] console [tty-1] enabled [ 6.908109] Calibrating delay using timer specific routine.. 5335.79 BogoMIPS (lpj=26678955) [ 6.908147] Security Framework initialized [ 6.908159] AppArmor: AppArmor initialized [ 6.908174] Mount-cache hash table entries: 256 [ 6.908259] Initializing cgroup subsys ns [ 6.908263] Initializing cgroup subsys cpuacct [ 6.908266] Initializing cgroup subsys memory [ 6.908272] Initializing cgroup subsys devices [ 6.908274] Initializing cgroup subsys freezer [ 6.908301] CPU: L1 I cache: 32K, L1 D cache: 32K [ 6.908304] CPU: L2 cache: 256K [ 6.908305] CPU: L3 cache: 8192K [ 6.908316] SMP alternatives: switching to UP code [ 6.928726] Brought up 1 CPUs [ 6.928802] devtmpfs: initialized [ 6.929200] NET: Registered protocol family 16 [ 6.930456] SMP alternatives: switching to SMP code [ 0.000006] Initializing CPU#1 [ 0.000034] CPU: L1 I cache: 32K, L1 D cache: 32K [ 0.000037] CPU: L2 cache: 256K [ 0.000039] CPU: L3 cache: 8192K [ 0.000005] Initializing CPU#2 [ 0.000027] CPU: L1 I cache: 32K, L1 D cache: 32K [ 0.000030] CPU: L2 cache: 256K [ 0.000031] CPU: L3 cache: 8192K [ 0.000004] Initializing CPU#3 [ 0.000027] CPU: L1 I cache: 32K, L1 D cache: 32K [ 0.000030] CPU: L2 cache: 256K [ 0.000031] CPU: L3 cache: 8192K [ 7.940394] Brought up 4 CPUs [ 7.940403] PCI: Fatal: No config space access function found [ 7.940405] PCI: setting up Xen PCI frontend stub [ 7.940786] bio: create slab at 0 [ 7.940949] vgaarb: loaded [ 7.941141] suspend: event channel 27 [ 7.941361] xen_mem: Initialising balloon driver. [ 7.942099] PCI: System does not support PCI [ 7.942102] PCI: System does not support PCI [ 7.942154] NET: Registered protocol family 8 [ 7.942158] NET: Registered protocol family 20 [ 7.942167] NetLabel: Initializing [ 7.942170] NetLabel: domain hash size = 128 [ 7.942171] NetLabel: protocols = UNLABELED CIPSOv4 [ 7.942181] NetLabel: unlabeled traffic allowed by default [ 7.942185] Switching to clocksource xen [ 0.362946] AppArmor: AppArmor Filesystem Enabled [ 0.363091] NET: Registered protocol family 2 [ 0.363165] IP route cache hash table entries: 524288 (order: 10, 4194304 bytes) [ 0.363838] TCP established hash table entries: 262144 (order: 10, 4194304 bytes) [ 0.364529] TCP bind hash table entries: 65536 (order: 8, 1048576 bytes) [ 0.364712] TCP: Hash tables configured (established 262144 bind 65536) [ 0.364716] TCP reno registered [ 0.364807] NET: Registered protocol family 1 [ 0.364870] platform rtc_cmos: registered platform RTC device (no PNP device found) [ 0.994842] Trying to unpack rootfs image as initramfs... [ 0.365064] audit: initializing netlink socket (disabled) [ 0.365073] type=2000 audit(1306833623.187:1): initialized [ 0.372697] VFS: Disk quotas dquot_6.5.2 [ 0.372726] Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 0.372836] DLM (built Jan 7 2011 18:33:01) installed [ 0.373017] JFS: nTxBlock = 8192, nTxLock = 65536 [ 0.374815] SGI XFS with ACLs, security attributes, realtime, large block/inode numbers, no debug enabled [ 0.375253] SGI XFS Quota Management subsystem [ 0.375530] Slow work thread pool: Starting up [ 0.375572] Slow work thread pool: Ready [ 0.375581] GFS2 (built Jan 7 2011 18:33:45) installed [ 0.375586] msgmni has been set to 32768 [ 0.695586] alg: No test for stdrng (krng) [ 0.375817] io scheduler noop registered [ 0.375820] io scheduler anticipatory registered [ 0.375821] io scheduler deadline registered (default) [ 0.375840] io scheduler cfq registered [ 1.011649] Freeing initrd memory: 21132k freed [ 0.388820] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 0.389635] brd: module loaded [ 0.389950] loop: module loaded [ 0.392954] Xen virtual console successfully installed as tty1 [ 0.392989] Event-channel device installed. [ 0.421977] netfront: Initialising virtual ethernet driver. [ 8.002882] xen-vbd: registered block device major 8 [ 8.003580] sdb: unknown partition table [ 8.026139] sdg: unknown partition table [ 0.460932] PPP generic driver version 2.4.2 [ 0.461356] Equalizer2002: Simon Janes (simon@ncm.com) and David S. Miller (davem@redhat.com) [ 0.461491] tun: Universal TUN/TAP device driver, 1.6 [ 0.461493] tun: (C) 1999-2004 Max Krasnyansky [ 0.462355] i8042.c: No controller found. [ 0.462414] mice: PS/2 mouse device common for all mice [ 0.462472] rtc_cmos rtc_cmos: rtc core: registered rtc_cmos as rtc0 [ 0.462521] Driver for 1-wire Dallas network protocol. [ 0.462588] device-mapper: uevent: version 1.0.3 [ 0.462659] device-mapper: ioctl: 4.15.0-ioctl (2009-04-01) initialised: dm-devel@redhat.com [ 0.462924] NET: Registered protocol family 17 [ 0.463032] registered taskstats version 1 [ 0.559500] /build/buildd/linux-ec2-2.6.32/drivers/rtc/hctosys.c: unable to open rtc device (rtc0) [ 0.559573] Freeing unused kernel memory: 228k freed [ 0.559641] Write protecting the kernel read-only data: 6492k Loading, please wait... [ 8.162237] udev: starting version 151 Begin: Loading essential drivers... ... [ 8.172049] md: linear personality registered for level -1 [ 8.177138] md: multipath personality registered for level -4 [ 8.183522] md: raid0 personality registered for level 0 [ 8.193298] md: raid1 personality registered for level 1 [ 8.232569] md: bind [ 1.290853] md: bind [ 1.299537] md: bind [ 0.673365] md: bind [ 0.675633] md: bind [ 8.265862] md: bind [ 8.267195] md: bind [ 8.269196] raid0: looking at sdf1 [ 8.269199] raid0: comparing sdf1(104857088) [ 8.269202] with sdf1(104857088) [ 8.269204] raid0: END [ 8.269205] raid0: ==> UNIQUE [ 8.269207] raid0: 1 zones [ 8.269208] raid0: looking at sdf2 [ 8.269210] raid0: comparing sdf2(104857088) [ 8.269212] with sdf1(104857088) [ 8.269213] raid0: EQUAL [ 8.269215] raid0: FINAL 1 zones [ 8.269218] raid0: done. [ 8.269219] raid0 : md_size is 209714176 sectors. [ 8.269221] ******* md0 configuration ********* [ 8.269222] zone0=[sdf1/sdf2/] [ 8.269225] zone offset=0kb device offset=0kb size=104857088kb [ 8.269227] ********************************** [ 8.269228] [ 8.269235] md0: detected capacity change from 0 to 107373658112 [ 1.321034] md0: [ 8.271196] md: bind [ 8.271785] unknown partition table [ 8.287819] md: bind [ 8.292837] md: bind [ 8.298916] md: bind [ 8.304977] md: bind [ 8.337388] md: bind [ 1.099504] raid6: int64x1 2430 MB/s [ 8.470295] md: bind [ 1.269495] raid6: int64x2 3131 MB/s [ 8.680358] md: bind [ 1.108061] md: raid10 personality registered for level 10 [ 1.439198] raid6: int64x4 2114 MB/s [ 1.608977] raid6: int64x8 2210 MB/s [ 1.778725] raid6: sse2x1 6483 MB/s [ 1.948469] raid6: sse2x2 7583 MB/s [ 2.118097] raid6: sse2x4 8530 MB/s [ 2.118101] raid6: using algorithm sse2x4 (8530 MB/s) [ 9.379310] raid10: md2 is not clean -- starting background reconstruction [ 9.379315] raid10: raid set md2 active with 12 out of 12 devices [ 9.379346] md2: detected capacity change from 0 to 515394502656 [ 2.118346] md: resync of RAID array md2 [ 2.118349] md: minimum _guaranteed_ speed: 1000 KB/sec/disk. [ 2.118352] md: using maximum available idle IO bandwidth (but not more than 200000 KB/sec) for resync. [ 2.118358] md: using 128k window, over a total of 503314944 blocks. [ 1.799857] xor: automatically using best checksumming function: generic_sse [ 2.428338] md2: [ 1.848998] generic_sse: 12242.800 MB/sec [ 1.849011] xor: using function: generic_sse (12242.800 MB/sec) [ 2.171116] md: raid6 personality registered for level 6 [ 2.171121] md: raid5 personality registered for level 5 [ 2.171123] md: raid4 personality registered for level 4 Done. Begin: Running /scripts/init-premount ... Done. Begin: Mounting root file system... ... Begin: Running /scripts/local-top ... Done. Begin: Running /scripts/local-premount ... Done. [ 9.661390] EXT3-fs: INFO: recovery required on readonly filesystem. [ 9.661396] EXT3-fs: write access will be enabled during recovery. [ 9.707276] unknown partition table [ 30.920906] kjournald starting. Commit interval 5 seconds [ 38.129751] EXT3-fs: recovery complete. [ 38.133795] EXT3-fs: mounted filesystem with writeback data mode. Begin: Running /scripts/local-bottom ... Done. Done. Begin: Running /scripts/init-bottom ... Done. [ 37.408429] EXT3-fs warning: checktime reached, running e2fsck is recommended [ 37.478467] EXT3 FS on sda1, internal journal %Guser-scripts already ran once-per-instance Ubuntu 10.04.2 LTS db6 tty1 db6 login: [1430832.765214] divide error: 0000 [#1] SMP [1430832.765224] last sysfs file: /sys/devices/virtual/block/md2/md/mismatch_cnt [1430832.765226] CPU 0 [1430832.765229] Modules linked in: fuse ipv6 raid456 async_pq async_xor xor async_memcpy async_raid6_recov raid10 raid6_pq async_tx raid1 raid0 multipath linear md_mod [1430832.765244] Pid: 14627, comm: postgres Not tainted 2.6.32-312-ec2 #24-Ubuntu [1430832.765246] RIP: e030:[] [] update_sd_lb_stats+0x3ac/0x5b0 [1430832.765257] RSP: e02b:ffff880002af7708 EFLAGS: 00010046 [1430832.765259] RAX: 0000000000000000 RBX: ffff880002af78f4 RCX: 0000000000000001 [1430832.765261] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [1430832.765263] RBP: ffff880002af77e8 R08: ffff880002d15bd8 R09: 0000000000000040 [1430832.765265] R10: 0000000000000000 R11: 0000000000000000 R12: 00000000ffffffff [1430832.765267] R13: 000000000000a380 R14: ffffffffffffffff R15: 0000000000000000 [1430832.765274] FS: 00007fdb05c49720(0000) GS:ffff880002d0e000(0000) knlGS:0000000000000000 [1430832.765276] CS: e033 DS: 0000 ES: 0000 CR0: 0000000080050033 [1430832.765279] CR2: 00007fdafff642d0 CR3: 000000016625f000 CR4: 0000000000002620 [1430832.765282] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [1430832.765285] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000000 [1430832.765289] Process postgres (pid: 14627, threadinfo ffff880002af6000, task ffff8800e05a6500) [1430832.765291] Stack: [1430832.765293] ffff880002af7798 ffff880002af7788 00008800e05a6500 0000000000000000 [1430832.765298] <0> ffff880002d15aa0 0000000000000000 0000000000000000 0000000000000008 [1430832.765304] <0> 000000000000a380 000000000000a380 ffff880002d15bc0 000000000000a380 [1430832.765310] Call Trace: [1430832.765317] [] find_busiest_group+0x4d/0x460 [1430832.765323] [] load_balance_newidle+0xa4/0x320 [1430832.765333] [] thread_return+0x3cc/0x429 [1430832.765340] [] ? kfree+0x5b/0x170 [1430832.765344] [] schedule_timeout+0x1e5/0x2c0 [1430832.765351] [] ? tcp_current_mss+0x46/0x70 [1430832.765355] [] ? _spin_lock_bh+0x11/0x70 [1430832.765361] [] sk_wait_data+0xd9/0xe0 [1430832.765367] [] ? autoremove_wake_function+0x0/0x40 [1430832.765372] [] tcp_recvmsg+0x274/0xac0 [1430832.765377] [] sock_common_recvmsg+0x34/0x50 [1430832.765380] [] sock_recvmsg+0x119/0x150 [1430832.765383] [] ? sock_sendmsg+0x106/0x130 [1430832.765387] [] ? autoremove_wake_function+0x0/0x40 [1430832.765393] [] ? unlock_page+0x22/0x30 [1430832.765396] [] sys_recvfrom+0xe9/0x170 [1430832.765402] [] ? getnstimeofday+0x60/0xf0 [1430832.765406] [] ? do_gettimeofday+0x15/0x50 [1430832.765412] [] system_call_fastpath+0x16/0x1b [1430832.765416] [] ? system_call+0x0/0x52 [1430832.765418] Code: ff c7 85 50 ff ff ff 01 00 00 00 e9 cd fd ff ff 0f 1f 80 00 00 00 00 48 8b 95 70 ff ff ff 48 8b 45 a8 8b 72 08 48 c1 e0 0a 31 d2 <48> f7 f6 48 8b 75 b0 48 89 45 a0 31 c0 48 85 f6 74 0c 48 8b 45 [1430832.765465] RIP [] update_sd_lb_stats+0x3ac/0x5b0 [1430832.765470] RSP [1430832.765476] ---[ end trace 52319813073323d2 ]--- [1432141.707475] divide error: 0000 [#2] SMP [1432141.707479] last sysfs file: /sys/devices/virtual/block/md2/md/mismatch_cnt [1432141.707481] CPU 1 [1432141.707483] Modules linked in: fuse ipv6 raid456 async_pq async_xor xor async_memcpy async_raid6_recov raid10 raid6_pq async_tx raid1 raid0 multipath linear md_mod [1432141.707497] Pid: 4149, comm: postgres Tainted: G D 2.6.32-312-ec2 #24-Ubuntu [1432141.707499] RIP: e030:[] [] update_sd_lb_stats+0x3ac/0x5b0 [1432141.707505] RSP: e02b:ffff8800abf719e8 EFLAGS: 00010046 [1432141.707507] RAX: 0000000000000000 RBX: ffff8800abf71bd4 RCX: 0000000000000000 [1432141.707509] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [1432141.707511] RBP: ffff8800abf71ac8 R08: ffff880002d15bd8 R09: 0000000000000040 [1432141.707513] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [1432141.707515] R13: 000000000000a380 R14: 0000000000000000 R15: 0000000000000000 [1432141.707520] FS: 00007fdb05c49720(0000) GS:ffff880002d20000(0000) knlGS:0000000000000000 [1432141.707522] CS: e033 DS: 0000 ES: 0000 CR0: 0000000080050033 [1432141.707524] CR2: 00007fda78e56242 CR3: 00000003a2443000 CR4: 0000000000002620 [1432141.707527] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [1432141.707529] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000000 [1432141.707531] Process postgres (pid: 4149, threadinfo ffff8800abf70000, task ffff8800f120a380) [1432141.707533] Stack: [1432141.707534] 0000000000000001 ffff8800abf71a68 00008800abf71a18 0000000000000000 [1432141.707538] <0> ffff880002d27aa0 0000000100000000 ffffffff00000000 0000000000000008 [1432141.707542] <0> 000000000000a380 000000000000a380 ffff880002d15bc0 000000000000a380 [1432141.707546] Call Trace: [1432141.707550] [] find_busiest_group+0x4d/0x460 [1432141.707553] [] load_balance_newidle+0xa4/0x320 [1432141.707556] [] thread_return+0x3cc/0x429 [1432141.707559] [] ? sock_sendmsg+0x106/0x130 [1432141.707563] [] ? security_ipc_permission+0x14/0x20 [1432141.707568] [] sys_semtimedop+0x4bb/0x500 [1432141.707571] [] ? unlock_page+0x22/0x30 [1432141.707575] [] ? __do_fault+0x551/0x680 [1432141.707577] [] ? sys_sendto+0x134/0x190 [1432141.707580] [] ? handle_mm_fault+0x260/0x4f0 [1432141.707583] [] sys_semop+0xb/0x10 [1432141.707585] [] system_call_fastpath+0x16/0x1b [1432141.707588] [] ? system_call+0x0/0x52 [1432141.707589] Code: ff c7 85 50 ff ff ff 01 00 00 00 e9 cd fd ff ff 0f 1f 80 00 00 00 00 48 8b 95 70 ff ff ff 48 8b 45 a8 8b 72 08 48 c1 e0 0a 31 d2 <48> f7 f6 48 8b 75 b0 48 89 45 a0 31 c0 48 85 f6 74 0c 48 8b 45 [1432141.707617] RIP [] update_sd_lb_stats+0x3ac/0x5b0 [1432141.707621] RSP [1432141.707622] ---[ end trace 52319813073323d3 ]--- [1432684.358966] divide error: 0000 [#3] SMP [1432684.358970] last sysfs file: /sys/devices/virtual/block/md2/md/mismatch_cnt [1432684.358972] CPU 3 [1432684.358974] Modules linked in: fuse ipv6 raid456 async_pq async_xor xor async_memcpy async_raid6_recov raid10 raid6_pq async_tx raid1 raid0 multipath linear md_mod [1432684.358985] Pid: 0, comm: swapper Tainted: G D 2.6.32-312-ec2 #24-Ubuntu [1432684.358987] RIP: e030:[] [] update_sd_lb_stats+0x3ac/0x5b0 [1432684.358991] RSP: e02b:ffff880002d47bd0 EFLAGS: 00010246 [1432684.358993] RAX: 0000000000000000 RBX: ffff880002d47dd8 RCX: 0000000000000000 [1432684.358995] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [1432684.358997] RBP: ffff880002d47cb0 R08: ffff880002d15bd8 R09: 0000000000000040 [1432684.358999] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000000 [1432684.359001] R13: 000000000000a380 R14: 0000000000000000 R15: 0000000000000000 [1432684.359006] FS: 00007f863f54e720(0000) GS:ffff880002d44000(0000) knlGS:0000000000000000 [1432684.359008] CS: e033 DS: 002b ES: 002b CR0: 000000008005003b [1432684.359010] CR2: 00007f863f557000 CR3: 0000000880824000 CR4: 0000000000002620 [1432684.359012] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [1432684.359014] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000000 [1432684.359016] Process swapper (pid: 0, threadinfo ffff88088b074000, task ffff88088b072140) [1432684.359017] Stack: [1432684.359018] ffff880002d47c20 ffff880002d47c50 0101880002d4e380 ffff880002d47e4c [1432684.359021] <0> ffff880002d4baa0 0000000300000000 ffffffff00000000 0000000000000010 [1432684.359026] <0> 000000000000a380 000000000000a380 ffff880002d15bc0 000000000000a380 [1432684.359032] Call Trace: [1432684.359033] [1432684.359038] [] find_busiest_group+0x4d/0x460 [1432684.359045] [] ? enqueue_task+0x5a/0x70 [1432684.359049] [] load_balance+0xab/0x470 [1432684.359052] [] ? try_to_wake_up+0x2ea/0x490 [1432684.359054] [] rebalance_domains+0x95/0x1b0 [1432684.359057] [] run_rebalance_domains+0x31/0x40 [1432684.359061] [] __do_softirq+0xd5/0x220 [1432684.359065] [] call_softirq+0x1c/0x30 [1432684.359067] [] do_softirq+0xb5/0xf0 [1432684.359069] [] irq_exit+0x3d/0x50 [1432684.359074] [] evtchn_do_upcall+0x224/0x250 [1432684.359077] [] do_hypervisor_callback+0x1e/0x30 [1432684.359079] [1432684.359082] [] ? xen_safe_halt+0x15/0x40 [1432684.359085] [] ? xen_idle+0x36/0xa0 [1432684.359088] [] ? cpu_idle+0xb5/0x100 [1432684.359091] [] ? cpu_bringup_and_idle+0xe/0x10 [1432684.359093] Code: ff c7 85 50 ff ff ff 01 00 00 00 e9 cd fd ff ff 0f 1f 80 00 00 00 00 48 8b 95