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Re: [Xen-devel] linux kernel 2.6.37



On Fri, 2011-01-21 at 10:30 -0500, Konrad Rzeszutek Wilk wrote:

> Do you see any messages during bootup about memory being returned? Look for
> xen_release_chunk .. and pages freed ?

xen_release_chunk not found, grep by pages returns:

[    0.000000] released 0 pages of unused memory
[    0.000000] On node 0 totalpages: 1050512
[    0.000000]   DMA zone: 56 pages used for memmap
[    0.000000]   DMA zone: 6 pages reserved
[    0.000000]   DMA zone: 3922 pages, LIFO batch:0
[    0.000000]   DMA32 zone: 14280 pages used for memmap
[    0.000000]   DMA32 zone: 1030200 pages, LIFO batch:31
[    0.000000]   Normal zone: 28 pages used for memmap
[    0.000000]   Normal zone: 2020 pages, LIFO batch:0
[    0.000000] PERCPU: Embedded 27 pages/cpu @ffff88001fe62000 s78656
r8192 d23744 u110592
[    0.000000] Built 1 zonelists in Node order, mobility grouping on.
Total pages: 1036142
[    0.076752] HugeTLB registered 2 MB page size, pre-allocated 0 pages



full dmesg:
[    0.000000] Initializing cgroup subsys cpuset
[    0.000000] Initializing cgroup subsys cpu
[    0.000000] Linux version 2.6.37 (root@xxxxxxxxxxxxxxx) (gcc version
4.4.4 (Gentoo 4.4.4-r2 p1.2, pie-0.4.5) ) #1 SMP Thu Jan 6 00:29:34 UTC
2011
[    0.000000] Command line:  root=/dev/xvda1 tmem=1 console=hvc0
xencons=hvc0 earlyprintk=xen debug loglevel=10 elevator=noop 
[    0.000000] ACPI in unprivileged domain disabled
[    0.000000] released 0 pages of unused memory
[    0.000000] BIOS-provided physical RAM map:
[    0.000000]  Xen: 0000000000000000 - 00000000000a0000 (usable)
[    0.000000]  Xen: 00000000000a0000 - 0000000000100000 (reserved)
[    0.000000]  Xen: 0000000000100000 - 0000000100800000 (usable)
[    0.000000] bootconsole [xenboot0] enabled
[    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 = 0x100800 max_arch_pfn = 0x400000000
[    0.000000] last_pfn = 0x100000 max_arch_pfn = 0x400000000
[    0.000000] initial memory mapped : 0 - 027ff000
[    0.000000] init_memory_mapping: 0000000000000000-0000000100000000
[    0.000000]  0000000000 - 0100000000 page 4k
[    0.000000] kernel direct mapping tables up to 100000000 @
1ffa000-27ff000
[    0.000000] init_memory_mapping: 0000000100000000-0000000100800000
[    0.000000]  0100000000 - 0100800000 page 4k
[    0.000000] kernel direct mapping tables up to 100800000 @
1f7f6000-20000000
[    0.000000] RAMDISK: 017fe000 - 01b38000
[    0.000000] No NUMA configuration found
[    0.000000] Faking a node at 0000000000000000-0000000100800000
[    0.000000] Initmem setup node 0 0000000000000000-0000000100800000
[    0.000000]   NODE_DATA [000000001fffb000 - 000000001fffffff]
[    0.000000] Zone PFN ranges:
[    0.000000]   DMA      0x00000010 -> 0x00001000
[    0.000000]   DMA32    0x00001000 -> 0x00100000
[    0.000000]   Normal   0x00100000 -> 0x00100800
[    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 -> 0x00100800
[    0.000000] On node 0 totalpages: 1050512
[    0.000000]   DMA zone: 56 pages used for memmap
[    0.000000]   DMA zone: 6 pages reserved
[    0.000000]   DMA zone: 3922 pages, LIFO batch:0
[    0.000000]   DMA32 zone: 14280 pages used for memmap
[    0.000000]   DMA32 zone: 1030200 pages, LIFO batch:31
[    0.000000]   Normal zone: 28 pages used for memmap
[    0.000000]   Normal zone: 2020 pages, LIFO batch:0
[    0.000000] SMP: Allowing 14 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] PCI: Warning: Cannot find a gap in the 32bit address
range
[    0.000000] PCI: Unassigned devices with 32bit resource registers may
break!
[    0.000000] Allocating PCI resources starting at 100900000 (gap:
100900000:400000)
[    0.000000] Booting paravirtualized kernel on Xen
[    0.000000] Xen version: 4.0.0_21091_06-0.2 (preserve-AD)
[    0.000000] setup_percpu: NR_CPUS:64 nr_cpumask_bits:64 nr_cpu_ids:14
nr_node_ids:1
[    0.000000] PERCPU: Embedded 27 pages/cpu @ffff88001fe62000 s78656
r8192 d23744 u110592
[    0.000000] pcpu-alloc: s78656 r8192 d23744 u110592 alloc=27*4096
[    0.000000] pcpu-alloc: [0] 00 [0] 01 [0] 02 [0] 03 [0] 04 [0] 05 [0]
06 [0] 07 
[    0.000000] pcpu-alloc: [0] 08 [0] 09 [0] 10 [0] 11 [0] 12 [0] 13 
[    0.000000] Built 1 zonelists in Node order, mobility grouping on.
Total pages: 1036142
[    0.000000] Policy zone: Normal
[    0.000000] Kernel command line:  root=/dev/xvda1 tmem=1 console=hvc0
xencons=hvc0 earlyprintk=xen debug loglevel=10 elevator=noop 
[    0.000000] PID hash table entries: 4096 (order: 3, 32768 bytes)
[    0.000000] Checking aperture...
[    0.000000] No AGP bridge found
[    0.000000] Memory: 377324k/4202496k available (4125k kernel code,
448k absent, 3824724k reserved, 1636k data, 640k init)
[    0.000000] SLUB: Genslabs=15, HWalign=64, Order=0-3, MinObjects=0,
CPUs=14, Nodes=1
[    0.000000] Hierarchical RCU implementation.
[    0.000000]  RCU-based detection of stalled CPUs is disabled.
[    0.000000] NR_IRQS:4352 nr_irqs:384 16
[    0.000000] Console: colour dummy device 80x25
[    0.000000] console [tty0] enabled
[    0.000000] console [hvc0] enabled, bootconsole disabled
[    0.000000] allocated 43253760 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 2266.814 MHz processor.
[    0.004000] Calibrating delay loop (skipped), value calculated using
timer frequency.. 4533.62 BogoMIPS (lpj=9067256)
[    0.004000] pid_max: default: 32768 minimum: 301
[    0.004000] Security Framework initialized
[    0.004000] SELinux:  Initializing.
[    0.004000] SELinux:  Starting in permissive mode
[    0.004000] AppArmor: AppArmor disabled by boot time parameter
[    0.004000] Dentry cache hash table entries: 524288 (order: 10,
4194304 bytes)
[    0.004000] Inode-cache hash table entries: 262144 (order: 9, 2097152
bytes)
[    0.004000] Mount-cache hash table entries: 256
[    0.004000] Initializing cgroup subsys ns
[    0.004000] ns_cgroup deprecated: consider using the 'clone_children'
flag without the ns_cgroup.
[    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] CPU: Unsupported number of siblings 16
[    0.004000] Performance Events: unsupported p6 CPU model 26 no PMU
driver, software events only.
[    0.004000] SMP alternatives: switching to UP code
[    0.004057] cpu 0 spinlock event irq 382
[    0.004321] installing Xen timer for CPU 1
[    0.004337] cpu 1 spinlock event irq 376
[    0.004393] SMP alternatives: switching to SMP code
[    0.004000] CPU: Unsupported number of siblings 16
[    0.008260] installing Xen timer for CPU 2
[    0.008282] cpu 2 spinlock event irq 370
[    0.004000] CPU: Unsupported number of siblings 16
[    0.008552] installing Xen timer for CPU 3
[    0.008569] cpu 3 spinlock event irq 364
[    0.004000] CPU: Unsupported number of siblings 16
[    0.008869] installing Xen timer for CPU 4
[    0.008885] cpu 4 spinlock event irq 358
[    0.004000] CPU: Unsupported number of siblings 16
[    0.009256] installing Xen timer for CPU 5
[    0.009274] cpu 5 spinlock event irq 352
[    0.004000] CPU: Unsupported number of siblings 16
[    0.012667] installing Xen timer for CPU 6
[    0.012685] cpu 6 spinlock event irq 346
[    0.004000] CPU: Unsupported number of siblings 16
[    0.013028] installing Xen timer for CPU 7
[    0.013046] cpu 7 spinlock event irq 340
[    0.004000] CPU: Unsupported number of siblings 16
[    0.013388] installing Xen timer for CPU 8
[    0.013407] cpu 8 spinlock event irq 334
[    0.004000] CPU: Unsupported number of siblings 16
[    0.013783] installing Xen timer for CPU 9
[    0.013801] cpu 9 spinlock event irq 328
[    0.004000] CPU: Unsupported number of siblings 16
[    0.017342] installing Xen timer for CPU 10
[    0.017364] cpu 10 spinlock event irq 322
[    0.004000] CPU: Unsupported number of siblings 16
[    0.017714] installing Xen timer for CPU 11
[    0.017733] cpu 11 spinlock event irq 316
[    0.004000] CPU: Unsupported number of siblings 16
[    0.017967] installing Xen timer for CPU 12
[    0.017986] cpu 12 spinlock event irq 310
[    0.004000] CPU: Unsupported number of siblings 16
[    0.018208] installing Xen timer for CPU 13
[    0.018228] cpu 13 spinlock event irq 304
[    0.004000] CPU: Unsupported number of siblings 16
[    0.018401] Brought up 14 CPUs
[    0.018474] devtmpfs: initialized
[    0.018474] Grant table initialized
[    0.018474] NET: Registered protocol family 16
[    0.020513] PCI: setting up Xen PCI frontend stub
[    0.020521] PCI: pci_cache_line_size set to 64 bytes
[    0.024503] bio: create slab <bio-0> at 0
[    0.024503] ACPI: Interpreter disabled.
[    0.024503] xen_balloon: Initialising balloon driver.
[    0.024503] last_pfn = 0x100800 max_arch_pfn = 0x400000000
[    0.041822] vgaarb: loaded
[    0.041822] PCI: System does not support PCI
[    0.041822] PCI: System does not support PCI
[    0.044638] Switching to clocksource xen
[    0.045008] pnp: PnP ACPI: disabled
[    0.054879] NET: Registered protocol family 2
[    0.055036] IP route cache hash table entries: 32768 (order: 6,
262144 bytes)
[    0.056093] TCP established hash table entries: 131072 (order: 9,
2097152 bytes)
[    0.056790] TCP bind hash table entries: 65536 (order: 8, 1048576
bytes)
[    0.057004] TCP: Hash tables configured (established 131072 bind
65536)
[    0.057014] TCP reno registered
[    0.057037] UDP hash table entries: 2048 (order: 4, 65536 bytes)
[    0.057079] UDP-Lite hash table entries: 2048 (order: 4, 65536 bytes)
[    0.057258] NET: Registered protocol family 1
[    0.057274] PCI: CLS 0 bytes, default 64
[    0.057339] Unpacking initramfs...
[    0.060911] Freeing initrd memory: 3304k freed
[    0.061734] PCI-DMA: Using software bounce buffering for IO (SWIOTLB)
[    0.061745] Placing 64MB software IO TLB between ffff880017000000 -
ffff88001b000000
[    0.061755] software IO TLB at phys 0x17000000 - 0x1b000000
[    0.062964] platform rtc_cmos: registered platform RTC device (no PNP
device found)
[    0.075440] Intel AES-NI instructions are not detected.
[    0.076049] audit: initializing netlink socket (disabled)
[    0.076074] type=2000 audit(1295626324.019:1): initialized
[    0.076752] HugeTLB registered 2 MB page size, pre-allocated 0 pages
[    0.085565] VFS: Disk quotas dquot_6.5.2
[    0.085752] Dquot-cache hash table entries: 512 (order 0, 4096 bytes)
[    0.087813] fuse init (API version 7.15)
[    0.088874] SGI XFS with ACLs, security attributes, realtime, large
block/inode numbers, no debug enabled
[    0.091672] SGI XFS Quota Management subsystem
[    0.092568] Btrfs loaded
[    0.092584] msgmni has been set to 743
[    0.092804] SELinux:  Registering netfilter hooks
[    0.093918] io scheduler noop registered (default)
[    0.093929] io scheduler deadline registered
[    0.094150] io scheduler cfq registered
[    0.094374] pci-stub: invalid id string ""
[    0.101781] Console: switching to colour frame buffer device 100x37
[    0.106605] Event-channel device installed.
[    0.109154] Non-volatile memory driver v1.3
[    0.109396] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled
[    0.388486] Initialising Xen virtual ethernet driver.
[    0.389595] Equalizer2002: Simon Janes (simon@xxxxxxx) and David S.
Miller (davem@xxxxxxxxxx)
[    0.390154] console [netcon0] enabled
[    0.390190] netconsole: network logging started
[    0.391719] PNP: No PS/2 controller found. Probing ports directly.
[    0.393746] i8042.c: No controller found.
[    0.397083] mice: PS/2 mouse device common for all mice
[    0.399430] input: Xen Virtual Keyboard
as /devices/virtual/input/input0
[    0.400862] input: Xen Virtual Pointer
as /devices/virtual/input/input1
[    0.405469] rtc_cmos rtc_cmos: rtc core: registered rtc_cmos as rtc0
[    0.406619] rtc_cmos: probe of rtc_cmos failed with error -38
[    0.408056] cpuidle: using governor ladder
[    0.409113] cpuidle: using governor menu
[    0.410201] Netfilter messages via NETLINK v0.30.
[    0.411491] IPv4 over IPv4 tunneling driver
[    0.414384] GRE over IPv4 demultiplexor driver
[    0.414462] Initializing XFRM netlink socket
[    0.416423] NET: Registered protocol family 17
[    0.417398] Registering the dns_resolver key type
[    0.418806] registered taskstats version 1
[    0.419736] IMA: No TPM chip found, activating TPM-bypass!
[    0.490508] blkfront: xvda: barriers enabled
[    0.508209]  xvda: xvda1
[    0.594112] blkfront: xvdb: barriers enabled
[    0.604629]  xvdb: xvdb1
[    0.620211] XENBUS: Device with no driver: device/console/0
[    0.621407] Freeing unused kernel memory: 640k freed
[    0.628115] xenmgm: version magic '2.6.32.26 SMP mod_unload ' should
be '2.6.37 SMP mod_unload '
[    0.657069] EXT3-fs: barriers not enabled
[    0.676979] kjournald starting.  Commit interval 5 seconds
[    0.677041] EXT3-fs (xvda1): mounted filesystem with writeback data
mode
[    1.633598] NET: Registered protocol family 10
[    1.634930] lo: Disabled Privacy Extensions
[    1.636080] tunl0: Disabled Privacy Extensions
[    2.861406] EXT3-fs (xvda1): using internal journal
[    3.752996] udevd[596]: specified group 'dialout' unknown
[    3.753018] systemd-logger[599]: Got error on stream: No such process
[    4.282012] Adding 5116664k swap on /dev/xvdb1.  Priority:0 extents:1
across:5116664k SS
[    6.740770] ntpd[843]: ntp engine ready
[    6.878340] sshd (842): /proc/842/oom_adj is deprecated, please
use /proc/842/oom_score_adj instead.
[    8.241998] systemd[1]: nginx@xxxxxxxxxxxxxxxxxx: main process
exited, code=exited, status=1
[    8.496974] systemd[1]: pdns.service: control process exited,
code=exited status=1
[    8.560268] systemd[1]: Unit pdns.service entered failed state.
[    8.560576] systemd[1]: nginx@xxxxxxxxxxxxxxxxxx: control process
exited, code=exited status=1
[    8.624358] systemd[1]: Unit nginx@xxxxxxxxxxxxxxxxxx entered failed
state.
[    9.671924] systemd[1]: php.service: control process exited,
code=exited status=1
[    9.728545] systemd[1]: Unit php.service entered failed state.
[   16.868127] eth0: no IPv6 routers present
[   62.070790] systemd[1]: Job dev-hvc0.device/start timed out.
[   62.132469] systemd[1]: Startup finished in 1s 649ms 262us (kernel) +
1min 483ms 16us (userspace) = 1min 2s 132ms 278us.



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