[kashyap@moon kvm]$ sudo ./lkvm run --balloon -k ../../arch/x86/boot/bzImage --disk /export/test-images/debian_squeeze_i386_standard_decompressed.qcow2 Warning: Forcing read-only support for QCOW # lkvm run -k ../../arch/x86/boot/bzImage -m 448 -c 4 --name guest-11106 PPrroobbiinngg EEDDDD ((eedddd==ooffff ttoo ddiissaabbllee))...... ookk Decompressing Linux... Parsing ELF... done. Booting the kernel. [ 0.000000] Linux version 3.0.0-rc5-reacher-01064-g6119b86 (kashyap@moon.lab.eng.pnq.redhat.com) (gcc version 4.6.2 20111027 (Red Hat 4.6.2-1) (GCC) ) #19 SMP PREEMPT Sat Dec 31 16:47:23 IST 2011 [ 0.000000] Command line: noapic noacpi pci=conf1 reboot=k panic=1 i8042.direct=1 i8042.dumbkbd=1 i8042.nopnp=1 console=ttyS0 earlyprintk=serial i8042.noaux=1 root=/dev/vda rw [ 0.000000] BIOS-provided physical RAM map: [ 0.000000] BIOS-e820: 0000000000000000 - 000000000009fc00 (usable) [ 0.000000] BIOS-e820: 000000000009fc00 - 00000000000a0000 (reserved) [ 0.000000] BIOS-e820: 00000000000f0000 - 00000000000fffff (reserved) [ 0.000000] BIOS-e820: 0000000000100000 - 000000001c000000 (usable) [ 0.000000] bootconsole [earlyser0] enabled [ 0.000000] NX (Execute Disable) protection: active [ 0.000000] DMI not present or invalid. [ 0.000000] No AGP bridge found [ 0.000000] last_pfn = 0x1c000 max_arch_pfn = 0x400000000 [ 0.000000] x86 PAT enabled: cpu 0, old 0x0, new 0x7010600070106 [ 0.000000] CPU MTRRs all blank - virtualized system. [ 0.000000] found SMP MP-table at [ffff8800000f0390] f0390 [ 0.000000] init_memory_mapping: 0000000000000000-000000001c000000 [ 0.000000] ACPI Error: A valid RSDP was not found (20110413/tbxfroot-219) [ 0.000000] kvm-clock: Using msrs 4b564d01 and 4b564d00 [ 0.000000] kvm-clock: cpu 0, msr 0:1c98a01, boot clock [ 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 -> 0x0000009f [ 0.000000] 0: 0x00000100 -> 0x0001c000 [ 0.000000] SFI: Simple Firmware Interface v0.81 http://simplefirmware.org [ 0.000000] Intel MultiProcessor Specification v1.4 [ 0.000000] MPTABLE: OEM ID: KVMCPU00 [ 0.000000] MPTABLE: Product ID: 0.1 [ 0.000000] MPTABLE: APIC at: 0xFEE00000 [ 0.000000] Processor #0 (Bootup-CPU) [ 0.000000] Processor #1 [ 0.000000] Processor #2 [ 0.000000] Processor #3 [ 0.000000] IOAPIC[0]: apic_id 5, version 17, address 0xfec00000, GSI 0-23 [ 0.000000] Processors: 4 [ 0.000000] SMP: Allowing 4 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 - 00000000000ff000 [ 0.000000] PM: Registered nosave memory: 00000000000ff000 - 0000000000100000 [ 0.000000] Allocating PCI resources starting at 1c000000 (gap: 1c000000:e4000000) [ 0.000000] Booting paravirtualized kernel on KVM [ 0.000000] setup_percpu: NR_CPUS:512 nr_cpumask_bits:512 nr_cpu_ids:4 nr_node_ids:1 [ 0.000000] PERCPU: Embedded 23 pages/cpu @ffff88001bc00000 s71232 r0 d22976 u524288 [ 0.000000] kvm-clock: cpu 0, msr 0:1bc10a01, primary cpu clock [ 0.000000] KVM setup async PF for cpu 0 [ 0.000000] Built 1 zonelists in Zone order, mobility grouping on. Total pages: 113002 [ 0.000000] Kernel command line: noapic noacpi pci=conf1 reboot=k panic=1 i8042.direct=1 i8042.dumbkbd=1 i8042.nopnp=1 console=ttyS0 earlyprintk=serial i8042.noaux=1 root=/dev/vda rw [ 0.000000] PID hash table entries: 2048 (order: 2, 16384 bytes) [ 0.000000] Dentry cache hash table entries: 65536 (order: 7, 524288 bytes) [ 0.000000] Inode-cache hash table entries: 32768 (order: 6, 262144 bytes) [ 0.000000] xsave/xrstor: enabled xstate_bv 0x3, cntxt size 0x240 [ 0.000000] Checking aperture... [ 0.000000] No AGP bridge found [ 0.000000] Memory: 434592k/458752k available (6271k kernel code, 452k absent, 23708k reserved, 6555k data, 512k init) [ 0.000000] SLUB: Genslabs=15, HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1 [ 0.000000] Preemptible hierarchical RCU implementation. [ 0.000000] NR_IRQS:33024 nr_irqs:712 16 [ 0.000000] Console: colour *CGA 80x25 [ 0.000000] console [ttyS0] enabled, bootconsole disabled [ 0.000000] console [ttyS0] enabled, bootconsole disabled [ 0.000000] Detected 1994.999 MHz processor. [ 0.001999] Calibrating delay loop (skipped) preset value.. 3989.99 BogoMIPS (lpj=1994999) [ 0.003006] pid_max: default: 32768 minimum: 301 [ 0.004058] Security Framework initialized [ 0.005066] Mount-cache hash table entries: 256 [ 0.006446] mce: CPU supports 32 MCE banks [ 0.010813] CPU0: Intel 06/17 stepping 0a [ 0.113067] Performance Events: unsupported p6 CPU model 23 no PMU driver, software events only. [ 0.127005] Booting Node 0, Processors #1 [ 0.140991] kvm-clock: cpu 1, msr 0:1bc90a01, secondary cpu clock [ 0.141019] KVM setup async PF for cpu 1 [ 0.145030] #2 [ 0.158989] kvm-clock: cpu 2, msr 0:1bd10a01, secondary cpu clock [ 0.159018] KVM setup async PF for cpu 2 [ 0.163029] #3 Ok. [ 0.176986] kvm-clock: cpu 3, msr 0:1bd90a01, secondary cpu clock [ 0.177015] Brought up 4 CPUs [ 0.177019] Total of 4 processors activated (15959.99 BogoMIPS). [ 0.177013] KVM setup async PF for cpu 3 [ 0.178981] x86 PAT enabled: cpu 2, old 0x0, new 0x7010600070106 [ 0.177981] x86 PAT enabled: cpu 1, old 0x0, new 0x7010600070106 [ 0.177981] x86 PAT enabled: cpu 3, old 0x0, new 0x7010600070106 [ 0.178981] x86 PAT enabled: cpu 0, old 0x70106, new 0x7010600070106 [ 0.180250] devtmpfs: initialized [ 0.184185] Time: 12:07:56 Date: 12/31/11 [ 0.185094] NET: Registered protocol family 16 [ 0.188080] PCI: Using configuration type 1 for base access [ 0.249172] bio: create slab at 0 [ 0.251161] ACPI: Interpreter disabled. [ 0.252180] vgaarb: loaded [ 0.253991] SCSI subsystem initialized [ 0.255161] usbcore: registered new interface driver usbfs [ 0.257128] usbcore: registered new interface driver hub [ 0.258145] usbcore: registered new device driver usb [ 0.261118] Advanced Linux Sound Architecture Driver Version 1.0.24. [ 0.263112] PCI: Probing PCI hardware [ 0.268125] Bluetooth: Core ver 2.16 [ 0.269124] NET: Registered protocol family 31 [ 0.269972] Bluetooth: HCI device and connection manager initialized [ 0.271004] Bluetooth: HCI socket layer initialized [ 0.271972] Bluetooth: L2CAP socket layer initialized [ 0.274087] Bluetooth: SCO socket layer initialized [ 0.275166] cfg80211: Calling CRDA to update world regulatory domain [ 0.277170] NetLabel: Initializing [ 0.277971] NetLabel: domain hash size = 128 [ 0.278970] NetLabel: protocols = UNLABELED CIPSOv4 [ 0.279993] NetLabel: unlabeled traffic allowed by default [ 0.280983] Switching to clocksource kvm-clock [ 0.291130] FS-Cache: Loaded [ 0.291135] Switched to NOHz mode on CPU #1 [ 0.291493] Switched to NOHz mode on CPU #2 [ 0.292059] Switched to NOHz mode on CPU #3 [ 0.294660] Switched to NOHz mode on CPU #0 [ 0.295817] pnp: PnP ACPI: disabled [ 0.311223] NET: Registered protocol family 2 [ 0.312375] IP route cache hash table entries: 4096 (order: 3, 32768 bytes) [ 0.314242] TCP established hash table entries: 16384 (order: 6, 262144 bytes) [ 0.315958] TCP bind hash table entries: 16384 (order: 6, 262144 bytes) [ 0.317513] TCP: Hash tables configured (established 16384 bind 16384) [ 0.318963] TCP reno registered [ 0.319691] UDP hash table entries: 256 (order: 1, 8192 bytes) [ 0.320968] UDP-Lite hash table entries: 256 (order: 1, 8192 bytes) [ 0.322479] NET: Registered protocol family 1 [ 0.323747] RPC: Registered named UNIX socket transport module. [ 0.325074] RPC: Registered udp transport module. [ 0.326125] RPC: Registered tcp transport module. [ 0.327173] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 0.328821] kvm: no hardware support [ 0.329875] platform rtc_cmos: registered platform RTC device (no PNP device found) [ 0.335187] Machine check injector initialized [ 0.338305] microcode: CPU0 sig=0x1067a, pf=0x1, revision=0x0 [ 0.339688] microcode: CPU1 sig=0x1067a, pf=0x1, revision=0x0 [ 0.341094] microcode: CPU2 sig=0x1067a, pf=0x1, revision=0x0 [ 0.342488] microcode: CPU3 sig=0x1067a, pf=0x1, revision=0x0 [ 0.344041] microcode: Microcode Update Driver: v2.00 , Peter Oruba [ 0.349437] HugeTLB registered 2 MB page size, pre-allocated 0 pages [ 0.363203] VFS: Disk quotas dquot_6.5.2 [ 0.364471] Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 0.369054] FS-Cache: Netfs 'cifs' registered for caching [ 0.370803] NTFS driver 2.1.30 [Flags: R/W]. [ 0.372461] fuse init (API version 7.16) [ 0.374107] Installing v9fs 9p2000 file system support [ 0.375550] msgmni has been set to 848 [ 0.378939] NET: Registered protocol family 38 [ 0.380416] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 253) [ 0.382131] io scheduler noop registered [ 0.383061] io scheduler deadline registered [ 0.384303] io scheduler cfq registered (default) [ 0.386213] pci_hotplug: PCI Hot Plug PCI Core version: 0.5 [ 0.389067] virtio-pci 0000:00:01.0: enabling device (0000 -> 0003) [ 0.390981] virtio-pci 0000:00:02.0: enabling device (0000 -> 0003) [ 0.392835] virtio-pci 0000:00:03.0: enabling device (0000 -> 0003) [ 0.396509] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled �[ 0.664195] serial8250: ttyS0 at I/O 0x3f8 (irq = 4) is a U6_16550A �[ 0.948200] serial8250: ttyS1 at I/O 0x2f8 (irq = 3) is a U6_16550A �[ 1.225187] serial8250: ttyS2 at I/O 0x3e8 (irq = 4) is a U6_16550A [ 1.252444] Non-volatile memory driver v1.3 [ 1.253624] Linux agpgart interface v0.103 [ 1.254963] [drm] Initialized drm 1.1.0 20060810 [ 1.256214] [drm] radeon defaulting to kernel modesetting. [ 1.257436] [drm] radeon kernel modesetting enabled. [ 1.264777] brd: module loaded [ 1.269125] loop: module loaded [ 1.273814] vda: vda1 vda2 < vda5 > [ 1.275912] kgdb: Registered I/O driver kgdbts. [ 1.277422] kgdbts:RUN plant and detach test [ 1.278558] kgdbts:RUN sw breakpoint test [ 1.279725] kgdbts:RUN bad memory access test [ 1.288195] kgdbts:RUN singlestep test 1000 iterations [ 1.289731] kgdbts:RUN singlestep [0/1000] [ 1.370339] kgdbts:RUN singlestep [100/1000] [ 1.498537] kgdbts:RUN singlestep [200/1000] [ 1.534783] kgdbts:RUN singlestep [300/1000] [ 1.751405] kgdbts:RUN singlestep [400/1000] [ 1.796400] kgdbts:RUN singlestep [500/1000] [ 1.832589] kgdbts:RUN singlestep [600/1000] [ 1.886330] kgdbts:RUN singlestep [700/1000] [ 1.950950] kgdbts:RUN singlestep [800/1000] [ 1.995036] kgdbts:RUN singlestep [900/1000] [ 2.099678] kgdbts:RUN hw breakpoint test [ 2.100886] kgdbts:RUN hw write breakpoint test [ 2.102212] kgdbts:RUN access write breakpoint test [ 2.103612] kgdbts:RUN do_fork for 100 breakpoints [ 2.108479] e1000: Intel(R) PRO/1000 Network Driver - version 7.3.21-k8-NAPI [ 2.110198] e1000: Copyright (c) 1999-2006 Intel Corporation. [ 2.111984] e1000e: Intel(R) PRO/1000 Network Driver - 1.3.10-k2 [ 2.113465] e1000e: Copyright(c) 1999 - 2011 Intel Corporation. [ 2.115350] Intel(R) Gigabit Ethernet Network Driver - version 3.0.6-k2 [ 2.116951] Copyright (c) 2007-2011 Intel Corporation. [ 2.118599] Intel(R) Virtual Function Network Driver - version 1.0.8-k0 [ 2.120241] Copyright (c) 2009 - 2010 Intel Corporation. [ 2.121916] tun: Universal TUN/TAP device driver, 1.6 [ 2.123218] tun: (C) 1999-2004 Max Krasnyansky [ 2.125176] iwlagn: Intel(R) Wireless WiFi Link AGN driver for Linux, in-tree:d [ 2.126943] iwlagn: Copyright(c) 2003-2011 Intel Corporation [ 2.128763] iwl4965: Intel(R) Wireless WiFi 4965 driver for Linux, in-tree: [ 2.130446] iwl4965: Copyright(c) 2003-2011 Intel Corporation [ 2.132292] iwl3945: Intel(R) PRO/Wireless 3945ABG/BG Network Connection driver for Linux, in-tree:s [ 2.134483] iwl3945: Copyright(c) 2003-2011 Intel Corporation [ 2.136323] console [netcon0] enabled [ 2.137259] netconsole: network logging started [ 2.148457] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver [ 2.150558] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver [ 2.152438] uhci_hcd: USB Universal Host Controller Interface driver [ 2.155240] usbcore: registered new interface driver cdc_wdm [ 2.156632] Initializing USB Mass Storage driver... [ 2.158247] usbcore: registered new interface driver usb-storage [ 2.159725] USB Mass Storage support registered. [ 2.161306] usbcore: registered new interface driver libusual [ 2.162757] i8042: PNP detection disabled [ 2.164408] serio: i8042 KBD port at 0x60,0x64 irq 1 [ 2.166563] mousedev: PS/2 mouse device common for all mice [ 2.168868] input: AT Raw Set 2 keyboard as /devices/platform/i8042/serio0/input/input0 [ 2.189384] rtc_cmos rtc_cmos: rtc core: registered rtc_cmos as rtc0 [ 2.191030] rtc_cmos rtc_cmos: only 24-hr supported [ 2.193577] i2c /dev entries driver [ 2.195802] Linux video capture interface: v2.00 [ 2.197664] Bluetooth: Virtual HCI driver ver 1.3 [ 2.199198] Bluetooth: HCI UART driver ver 2.2 [ 2.200319] Bluetooth: HCI H4 protocol initialized [ 2.201514] Bluetooth: HCI BCSP protocol initialized [ 2.202766] Bluetooth: HCILL protocol initialized [ 2.203922] Bluetooth: HCIATH3K protocol initialized [ 2.205185] Bluetooth: Generic Bluetooth USB driver ver 0.6 [ 2.206967] usbcore: registered new interface driver btusb [ 2.208331] Bluetooth: Generic Bluetooth SDIO driver ver 0.1 [ 2.210140] Bluetooth: Atheros AR30xx firmware driver ver 1.0 [ 2.218153] usbcore: registered new interface driver ath3k [ 2.219520] cpuidle: using governor ladder [ 2.220559] cpuidle: using governor menu [ 2.221903] sdhci: Secure Digital Host Controller Interface driver [ 2.223439] sdhci: Copyright(c) Pierre Ossman [ 2.225234] EFI Variables Facility v0.08 2004-May-17 [ 2.231812] usbcore: registered new interface driver usbhid [ 2.233209] usbhid: USB HID core driver [ 2.237506] ALSA device list: [ 2.238270] No soundcards found. [ 2.239215] Netfilter messages via NETLINK v0.30. [ 2.240441] nf_conntrack version 0.5.0 (3395 buckets, 13580 max) [ 2.242829] ctnetlink v0.93: registering with nfnetlink. [ 2.244826] ip_tables: (C) 2000-2006 Netfilter Core Team [ 2.246275] TCP cubic registered [ 2.247090] Initializing XFRM netlink socket [ 2.248156] NET: Registered protocol family 17 [ 2.249275] NET: Registered protocol family 15 [ 2.250423] Bridge firewalling registered [ 2.251781] Bluetooth: RFCOMM TTY layer initialized [ 2.252974] Bluetooth: RFCOMM socket layer initialized [ 2.254289] Bluetooth: RFCOMM ver 1.11 [ 2.255241] Bluetooth: BNEP (Ethernet Emulation) ver 1.3 [ 2.256609] Bluetooth: BNEP filters: protocol multicast [ 2.257926] Bluetooth: HIDP (Human Interface Emulation) ver 1.2 [ 2.259792] lib80211: common routines for IEEE802.11 drivers [ 2.261235] Installing 9P2000 support [ 2.262484] Registering the dns_resolver key type [ 2.264952] Magic number: 7:703:128 [ 2.265909] BIOS EDD facility v0.16 2004-Jun-25, 0 devices found [ 2.267403] EDD information not available. [ 2.329914] UDF-fs: No partition found (1) [ 2.344041] List of all partitions: [ 2.344953] fe00 16777216 vda driver: virtio_blk [ 2.346324] fe01 16043008 vda1 00000000-0000-0000-0000-000000000vda1 [ 2.348137] fe02 1 vda2 00000000-0000-0000-0000-000000000vda2 [ 2.349895] fe05 731136 vda5 00000000-0000-0000-0000-000000000vda5 [ 2.351692] No filesystem could mount root, tried: ext4 vfat msdos iso9660 ntfs fuseblk udf [ 2.354034] Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(254,0) [ 2.356134] Pid: 1, comm: swapper Not tainted 3.0.0-rc5-reacher-01064-g6119b86 #19 [ 2.357979] Call Trace: [ 2.358662] [] ? panic+0x9f/0x19c [ 2.359909] [] ? mount_block_root+0x1cc/0x1ea [ 2.361393] [] ? mount_root+0xb6/0xbc [ 2.362731] [] ? prepare_namespace+0x158/0x18e [ 2.364256] [] ? kernel_init+0x105/0x10a [ 2.365644] [] ? kernel_thread_helper+0x4/0x10 [ 2.367168] [] ? do_one_initcall+0x12b/0x12b [ 2.368601] [] ? gs_change+0x13/0x13 [ 2.370126] kgdbts: BP mismatch ffffffff81086bb3 expected ffffffff8105764f [ 2.371014] ------------[ cut here ]------------ [ 2.371014] WARNING: at drivers/misc/kgdbts.c:303 check_and_rewind_pc+0xb6/0xd2() [ 2.371014] Pid: 1, comm: swapper Not tainted 3.0.0-rc5-reacher-01064-g6119b86 #19 [ 2.371014] Call Trace: [ 2.371014] <#DB> [] ? warn_slowpath_common+0x73/0x87 [ 2.371014] [] ? sys_set_tid_address+0x21/0x21 [ 2.371014] [] ? kgdb_breakpoint+0x10/0x1f [ 2.371014] [] ? check_and_rewind_pc+0xb6/0xd2 [ 2.371014] [] ? run_simple_test+0x21a/0x28d [ 2.371014] [] ? put_packet+0x77/0xd3 [ 2.371014] [] ? gdb_serial_stub+0xaec/0xb09 [ 2.371014] [] ? kgdb_cpu_enter+0x307/0x44f [ 2.371014] [] ? kgdb_handle_exception+0x11a/0x120 [ 2.371014] [] ? __kgdb_notify+0x11c/0x12c [ 2.371014] [] ? __kgdb_notify+0x11c/0x12c [ 2.371014] [] ? mce_raise_notify+0x25/0x89 [ 2.371014] [] ? kgdb_notify+0x1c/0x2c [ 2.371014] [] ? notifier_call_chain+0x2e/0x5b [ 2.371014] [] ? __atomic_notifier_call_chain+0x3a/0x4d [ 2.371014] [] ? notify_die+0x2d/0x32 [ 2.371014] [] ? do_int3+0x2c/0x69 [ 2.371014] [] ? int3+0x28/0x40 [ 2.371014] [] ? kgdb_breakpoint+0x10/0x1f [ 2.371014] <> [] ? kgdb_panic_event+0x5/0x8 [ 2.371014] [] ? notifier_call_chain+0x2e/0x5b [ 2.371014] [] ? hweight_long+0x5/0x6 [ 2.371014] [] ? __atomic_notifier_call_chain+0x3a/0x4d [ 2.371014] [] ? panic+0xcd/0x19c [ 2.371014] [] ? mount_block_root+0x1cc/0x1ea [ 2.371014] [] ? mount_root+0xb6/0xbc [ 2.371014] [] ? prepare_namespace+0x158/0x18e [ 2.371014] [] ? kernel_init+0x105/0x10a [ 2.371014] [] ? kernel_thread_helper+0x4/0x10 [ 2.371014] [] ? do_one_initcall+0x12b/0x12b [ 2.371014] [] ? gs_change+0x13/0x13 [ 2.371014] ---[ end trace 8e7ba57e73f5154e ]--- [ 2.371014] kgdbts: ERROR PUT: end of test buffer on 'do_fork_test' line 3 expected do_fork got $0000000000000000906ed481ffffffff60a5c181ffffffff906ed481ffffffff906ed481ffffffff28e4d881ffffffff0000000000000000b07d841b0088ffff00000000000000000100 [ 2.371014] ------------[ cut here ]------------ [ 2.371014] WARNING: at drivers/misc/kgdbts.c:729 run_simple_test+0x263/0x28d() [ 2.371014] Pid: 1, comm: swapper Tainted: G W 3.0.0-rc5-reacher-01064-g6119b86 #19 [ 2.371014] Call Trace: [ 2.371014] <#DB> [] ? warn_slowpath_common+0x73/0x87 [ 2.371014] [] ? run_simple_test+0x263/0x28d [ 2.371014] [] ? put_packet+0x77/0xd3 [ 2.371014] [] ? gdb_serial_stub+0xaec/0xb09 [ 2.371014] [] ? kgdb_cpu_enter+0x307/0x44f [ 2.371014] [] ? kgdb_handle_exception+0x11a/0x120 [ 2.371014] [] ? __kgdb_notify+0x11c/0x12c [ 2.371014] [] ? __kgdb_notify+0x11c/0x12c [ 2.371014] [] ? mce_raise_notify+0x25/0x89 [ 2.371014] [] ? kgdb_notify+0x1c/0x2c [ 2.371014] [] ? notifier_call_chain+0x2e/0x5b [ 2.371014] [] ? __atomic_notifier_call_chain+0x3a/0x4d [ 2.371014] [] ? notify_die+0x2d/0x32 [ 2.371014] [] ? do_int3+0x2c/0x69 [ 2.371014] [] ? int3+0x28/0x40 [ 2.371014] [] ? kgdb_breakpoint+0x10/0x1f [ 2.371014] <> [] ? kgdb_panic_event+0x5/0x8 [ 2.371014] [] ? notifier_call_chain+0x2e/0x5b [ 2.371014] [] ? hweight_long+0x5/0x6 [ 2.371014] [] ? __atomic_notifier_call_chain+0x3a/0x4d [ 2.371014] [] ? panic+0xcd/0x19c [ 2.371014] [] ? mount_block_root+0x1cc/0x1ea [ 2.371014] [] ? mount_root+0xb6/0xbc [ 2.371014] [] ? prepare_namespace+0x158/0x18e [ 2.371014] [] ? kernel_init+0x105/0x10a [ 2.371014] [] ? kernel_thread_helper+0x4/0x10 [ 2.371014] [] ? do_one_initcall+0x12b/0x12b [ 2.371014] [] ? gs_change+0x13/0x13 [ 2.371014] ---[ end trace 8e7ba57e73f5154f ]--- [ 2.371014] Rebooting in 1 seconds.. # KVM session ended normally. [kashyap@moon kvm]$