Xen project Mailing List

Re: [Xen-devel] BUG: ext3 corruption in domU

To: Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>

From: Anthony Sheetz <sheetzam@xxxxxxxxxxx>

Date: Tue, 28 May 2013 14:19:17 -0400

Cc: "xen-devel@xxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxx>, Ian Campbell <Ian.Campbell@xxxxxxxxxx>, Roger Pau Monne <roger.pau@xxxxxxxxxx>

Delivery-date: Tue, 28 May 2013 18:19:36 +0000

List-id: Xen developer discussion <xen-devel.lists.xen.org>

I'd have thought so as well. It's possible that was console output from dom0, come to think of it. On Tue, May 28, 2013 at 2:18 PM, Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx> wrote: > On Tue, May 28, 2013 at 02:02:41PM -0400, Anthony Sheetz wrote: >> On Tue, May 28, 2013 at 10:27 AM, Anthony Sheetz <sheetzam@xxxxxxxxxxx> >> wrote: >> >> Thank you. Also when you do this test, could you also provide the >> >> 'xenstore-ls' >> >> output from dom0? And the 'dmesg' output from the guest (or at least >> >> the 'xl console <guest> | tee /tmp/log' ? That would give me and idea if >> >> the frontend/backend have the right negotiation parameters. >> > >> > Attached is the output of xenstore-ls from dom0, and dmesg from a domU >> > with kernel 2.6.32-5-xen-amd64 >> > Will be working on putting a 3.2 kernel in place next, testing file >> > transfer, and adding the output of dmesg from that. >> >> updated to 3.2 using >> http://www.cyberciti.biz/faq/debian-linux-6-apt-get-install-linux-kernel-3-2/ >> for instructions. >> During transfer of data saw this: BUG" scheduling while atomic: >> kworker/0:2/10421/0x10000002 > > ? I don't see it here? >> Transfer test resulted in a file which did not match md5sum. Attached >> is the dmesg output from the domU. > > Shouldn't the BUG be present here? > >> [ 0.000000] Initializing cgroup subsys cpuset >> [ 0.000000] Initializing cgroup subsys cpu >> [ 0.000000] Linux version 3.2.0-0.bpo.4-amd64 >> (debian-kernel@xxxxxxxxxxxxxxxx) (gcc version 4.4.5 (Debian 4.4.5-8) ) #1 >> SMP Debian 3.2.41-2+deb7u2~bpo60+1 >> [ 0.000000] Command line: root=/dev/xvda2 ro >> [ 0.000000] ACPI in unprivileged domain disabled >> [ 0.000000] Released 0 pages of unused memory >> [ 0.000000] Set 0 page(s) to 1-1 mapping >> [ 0.000000] BIOS-provided physical RAM map: >> [ 0.000000] Xen: 0000000000000000 - 00000000000a0000 (usable) >> [ 0.000000] Xen: 00000000000a0000 - 0000000000100000 (reserved) >> [ 0.000000] Xen: 0000000000100000 - 0000000060800000 (usable) >> [ 0.000000] NX (Execute Disable) protection: active >> [ 0.000000] DMI not present or invalid. >> [ 0.000000] e820 update range: 0000000000000000 - 0000000000010000 >> (usable) ==> (reserved) >> [ 0.000000] e820 remove range: 00000000000a0000 - 0000000000100000 >> (usable) >> [ 0.000000] No AGP bridge found >> [ 0.000000] last_pfn = 0x60800 max_arch_pfn = 0x400000000 >> [ 0.000000] initial memory mapped : 0 - 03639000 >> [ 0.000000] Base memory trampoline at [ffff88000009b000] 9b000 size 20480 >> [ 0.000000] init_memory_mapping: 0000000000000000-0000000060800000 >> [ 0.000000] 0000000000 - 0060800000 page 4k >> [ 0.000000] kernel direct mapping tables up to 60800000 @ cf9000-1000000 >> [ 0.000000] xen: setting RW the range fdc000 - 1000000 >> [ 0.000000] RAMDISK: 01949000 - 03639000 >> [ 0.000000] NUMA turned off >> [ 0.000000] Faking a node at 0000000000000000-0000000060800000 >> [ 0.000000] Initmem setup node 0 0000000000000000-0000000060800000 >> [ 0.000000] NODE_DATA [000000005fffb000 - 000000005fffffff] >> [ 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 -> 0x00060800 >> [ 0.000000] On node 0 totalpages: 395152 >> [ 0.000000] DMA zone: 56 pages used for memmap >> [ 0.000000] DMA zone: 744 pages reserved >> [ 0.000000] DMA zone: 3184 pages, LIFO batch:0 >> [ 0.000000] DMA32 zone: 5348 pages used for memmap >> [ 0.000000] DMA32 zone: 385820 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 60800000 (gap: >> 60800000:9f800000) >> [ 0.000000] Booting paravirtualized kernel on Xen >> [ 0.000000] Xen version: 4.1.4 (preserve-AD) >> [ 0.000000] setup_percpu: NR_CPUS:512 nr_cpumask_bits:512 nr_cpu_ids:1 >> nr_node_ids:1 >> [ 0.000000] PERCPU: Embedded 28 pages/cpu @ffff88005fc00000 s82880 r8192 >> d23616 u2097152 >> [ 0.000000] pcpu-alloc: s82880 r8192 d23616 u2097152 alloc=1*2097152 >> [ 0.000000] pcpu-alloc: [0] 0 >> [ 0.000000] Built 1 zonelists in Node order, mobility grouping on. Total >> pages: 389004 >> [ 0.000000] Policy zone: DMA32 >> [ 0.000000] Kernel command line: root=/dev/xvda2 ro >> [ 0.000000] PID hash table entries: 4096 (order: 3, 32768 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] Memory: 1504508k/1581056k available (3531k kernel code, 448k >> absent, 76100k reserved, 3208k data, 616k init) >> [ 0.000000] Hierarchical RCU implementation. >> [ 0.000000] RCU dyntick-idle grace-period acceleration is enabled. >> [ 0.000000] NR_IRQS:33024 nr_irqs:256 16 >> [ 0.000000] Console: colour dummy device 80x25 >> [ 0.000000] console [tty0] enabled >> [ 0.000000] console [hvc0] enabled >> [ 0.000000] Xen: using vcpuop timer interface >> [ 0.000000] installing Xen timer for CPU 0 >> [ 0.000000] Detected 2294.848 MHz processor. >> [ 0.004000] Calibrating delay loop (skipped), value calculated using >> timer frequency.. 4589.69 BogoMIPS (lpj=9179392) >> [ 0.004000] pid_max: default: 32768 minimum: 301 >> [ 0.004000] Security Framework initialized >> [ 0.004000] AppArmor: AppArmor disabled by boot time parameter >> [ 0.004000] Dentry cache hash table entries: 262144 (order: 9, 2097152 >> bytes) >> [ 0.004000] Inode-cache hash table entries: 131072 (order: 8, 1048576 >> bytes) >> [ 0.004000] Mount-cache hash table entries: 256 >> [ 0.004000] Initializing cgroup subsys cpuacct >> [ 0.004000] Initializing cgroup subsys memory >> [ 0.004000] Initializing cgroup subsys devices >> [ 0.004000] Initializing cgroup subsys freezer >> [ 0.004000] Initializing cgroup subsys net_cls >> [ 0.004000] Initializing cgroup subsys blkio >> [ 0.004000] Initializing cgroup subsys perf_event >> [ 0.004000] ENERGY_PERF_BIAS: Set to 'normal', was 'performance' >> [ 0.004000] ENERGY_PERF_BIAS: View and update with >> x86_energy_perf_policy(8) >> [ 0.004000] CPU: Physical Processor ID: 0 >> [ 0.004000] CPU: Processor Core ID: 0 >> [ 0.004000] SMP alternatives: switching to UP code >> [ 0.029088] Freeing SMP alternatives: 16k freed >> [ 0.029163] Performance Events: unsupported p6 CPU model 58 no PMU >> driver, software events only. >> [ 0.029293] NMI watchdog disabled (cpu0): hardware events not enabled >> [ 0.029318] Brought up 1 CPUs >> [ 0.029448] devtmpfs: initialized >> [ 0.032173] Grant table initialized >> [ 0.032244] print_constraints: dummy: >> [ 0.032305] NET: Registered protocol family 16 >> [ 0.032510] PCI: setting up Xen PCI frontend stub >> [ 0.032517] PCI: pci_cache_line_size set to 64 bytes >> [ 0.033015] bio: create slab <bio-0> at 0 >> [ 0.033078] ACPI: Interpreter disabled. >> [ 0.033098] xen/balloon: Initialising balloon driver. >> [ 0.033098] xen-balloon: Initialising balloon driver. >> [ 0.033098] vgaarb: loaded >> [ 0.033098] PCI: System does not support PCI >> [ 0.033098] PCI: System does not support PCI >> [ 0.033098] Switching to clocksource xen >> [ 0.033194] pnp: PnP ACPI: disabled >> [ 0.034979] PCI: max bus depth: 0 pci_try_num: 1 >> [ 0.035010] NET: Registered protocol family 2 >> [ 0.035175] IP route cache hash table entries: 65536 (order: 7, 524288 >> bytes) >> [ 0.036322] TCP established hash table entries: 262144 (order: 10, >> 4194304 bytes) >> [ 0.037073] TCP bind hash table entries: 65536 (order: 8, 1048576 bytes) >> [ 0.037188] TCP: Hash tables configured (established 262144 bind 65536) >> [ 0.037193] TCP reno registered >> [ 0.037207] UDP hash table entries: 1024 (order: 3, 32768 bytes) >> [ 0.037225] UDP-Lite hash table entries: 1024 (order: 3, 32768 bytes) >> [ 0.037284] NET: Registered protocol family 1 >> [ 0.037292] PCI: CLS 0 bytes, default 64 >> [ 0.037327] Unpacking initramfs... >> [ 0.061808] Freeing initrd memory: 29632k freed >> [ 0.067281] platform rtc_cmos: registered platform RTC device (no PNP >> device found) >> [ 0.067460] audit: initializing netlink socket (disabled) >> [ 0.067471] type=2000 audit(1369752979.409:1): initialized >> [ 0.080739] HugeTLB registered 2 MB page size, pre-allocated 0 pages >> [ 0.080910] VFS: Disk quotas dquot_6.5.2 >> [ 0.080931] Dquot-cache hash table entries: 512 (order 0, 4096 bytes) >> [ 0.080980] msgmni has been set to 2996 >> [ 0.081099] alg: No test for stdrng (krng) >> [ 0.081120] Block layer SCSI generic (bsg) driver version 0.4 loaded >> (major 253) >> [ 0.081126] io scheduler noop registered >> [ 0.081129] io scheduler deadline registered >> [ 0.081140] io scheduler cfq registered (default) >> [ 0.081183] pci_hotplug: PCI Hot Plug PCI Core version: 0.5 >> [ 0.081202] pciehp: PCI Express Hot Plug Controller Driver version: 0.4 >> [ 0.081206] acpiphp: ACPI Hot Plug PCI Controller Driver version: 0.5 >> [ 0.197788] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled >> [ 0.198048] Linux agpgart interface v0.103 >> [ 0.198133] i8042: PNP: No PS/2 controller found. Probing ports directly. >> [ 1.200733] i8042: No controller found >> [ 1.200830] mousedev: PS/2 mouse device common for all mice >> [ 1.240666] rtc_cmos rtc_cmos: rtc core: registered rtc_cmos as rtc0 >> [ 1.240721] rtc_cmos: probe of rtc_cmos failed with error -38 >> [ 1.240885] TCP cubic registered >> [ 1.240933] NET: Registered protocol family 10 >> [ 1.241267] Mobile IPv6 >> [ 1.241274] NET: Registered protocol family 17 >> [ 1.241283] Registering the dns_resolver key type >> [ 1.241388] PM: Hibernation image not present or could not be loaded. >> [ 1.241395] registered taskstats version 1 >> [ 1.241410] XENBUS: Device with no driver: device/vbd/51714 >> [ 1.241416] XENBUS: Device with no driver: device/vbd/51713 >> [ 1.241420] XENBUS: Device with no driver: device/vif/0 >> [ 1.241425] XENBUS: Device with no driver: device/console/0 >> [ 1.241442] >> /build/buildd-linux_3.2.41-2+deb7u2~bpo60+1-amd64-mnypfK/linux-3.2.41/drivers/rtc/hctosys.c: >> unable to open rtc device (rtc0) >> [ 1.241476] Initializing network drop monitor service >> [ 1.241791] Freeing unused kernel memory: 616k freed >> [ 1.241910] Write protecting the kernel read-only data: 6144k >> [ 1.244660] Freeing unused kernel memory: 548k freed >> [ 1.245050] Freeing unused kernel memory: 708k freed >> [ 1.276238] udev[45]: starting version 164 >> [ 1.312147] Initialising Xen virtual ethernet driver. >> [ 1.327497] blkfront: xvda2: flush diskcache: enabled >> [ 1.331984] blkfront: xvda1: flush diskcache: enabled >> [ 1.667213] kjournald starting. Commit interval 5 seconds >> [ 1.667240] EXT3-fs (xvda2): mounted filesystem with ordered data mode >> [ 2.738037] udev[140]: starting version 164 >> [ 3.172340] input: PC Speaker as /devices/platform/pcspkr/input/input0 >> [ 3.296421] alg: No test for __gcm-aes-aesni (__driver-gcm-aes-aesni) >> [ 3.660850] Error: Driver 'pcspkr' is already registered, aborting... >> [ 3.965481] Adding 262140k swap on /dev/xvda1. Priority:-1 extents:1 >> across:262140k SS >> [ 4.075322] EXT3-fs (xvda2): using internal journal >> [ 5.839480] sshd (534): /proc/534/oom_adj is deprecated, please use >> /proc/534/oom_score_adj instead. >> [ 15.408035] eth0: no IPv6 routers present > _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxx http://lists.xen.org/xen-devel

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