kernel-packages team mailing list archive

[Ron <1226172@xxxxxxxxxxxxxxxxxx>]

I believe it did occur in Quantal, but I am not 100% certain.  These
servers had Quantal for a very shot time (~1 day), because we required
kernel features present only in Raring+, for use with Ceph/Rados.
Raring was still 3-4 months from release, but we were pulling Raring
Kernels into Quantal.  These servers have been fully Raring based since
its official release.

I have loaded kernel    linux-headers-3.12.0-031200-generic  (trusty),
"the one from the bottom", to ensure we're thorough.

Your original instructions were confusing.  On the page you provided,
there is a section titled "Mainline Kernel Mapping", and a single link
"current" which points directly to that Daily kernel.  The (fool-proof)
link would be: http://kernel.ubuntu.com/~kernel-ppa/mainline

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https://bugs.launchpad.net/bugs/1226172

Title:
  iostat: Cannot open /proc/stat: Cannot allocate memory

Status in “linux” package in Ubuntu:
  Incomplete

Bug description:
  I receive an intermittent error using iostat -k 5 : "Cannot open
  /proc/stat: Cannot allocate memory"

  This can also be simply reproduced by entering: "cat /proc/stat", one
  to several (~5-10) times.

  strace on the "cat /proc/stat" method:
  ...exclude typical run-up...

  fstat(3, {st_mode=S_IFREG|0644, st_size=1607664, ...}) = 0
  mmap(NULL, 1607664, PROT_READ, MAP_PRIVATE, 3, 0) = 0x7fd755b77000
  close(3)                                = 0
  fstat(1, {st_mode=S_IFCHR|0620, st_rdev=makedev(136, 5), ...}) = 0
  open("/proc/stat", O_RDONLY)            = -1 ENOMEM (Cannot allocate memory)
  write(2, "cat: ", 5cat: )                    = 5
  write(2, "/proc/stat", 10/proc/stat)              = 10
  open("/usr/share/locale/locale.alias", O_RDONLY|O_CLOEXEC) = 3
  fstat(3, {st_mode=S_IFREG|0644, st_size=2570, ...}) = 0
  mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd755d09000
  read(3, "# Locale name alias data base.\n#"..., 4096) = 2570
  read(3, "", 4096)                       = 0
  close(3)                                = 0
  munmap(0x7fd755d09000, 4096)            = 0
  open("/usr/share/locale/en_US.UTF-8/LC_MESSAGES/libc.mo", O_RDONLY) = -1 ENOENT (No such file or directory)
  open("/usr/share/locale/en_US.utf8/LC_MESSAGES/libc.mo", O_RDONLY) = -1 ENOENT (No such file or directory)

  ...exclude typical throw-error via LC_MESSAGES/libc.mo...

  
  /proc/meminfo detail:
  # cat /proc/meminfo 
  MemTotal:       32947584 kB
  MemFree:          302664 kB
  Buffers:          154064 kB
  Cached:         21284268 kB
  SwapCached:      1728840 kB
  Active:         12576792 kB
  Inactive:       17279896 kB
  Active(anon):    5097984 kB
  Inactive(anon):  3320844 kB
  Active(file):    7478808 kB
  Inactive(file): 13959052 kB
  Unevictable:           0 kB
  Mlocked:               0 kB
  SwapTotal:      187617276 kB
  SwapFree:       185330320 kB
  Dirty:               148 kB
  Writeback:             0 kB
  AnonPages:       7048592 kB
  Mapped:           104312 kB
  Shmem:               604 kB
  Slab:            1947068 kB
  SReclaimable:    1523288 kB
  SUnreclaim:       423780 kB
  KernelStack:        8800 kB
  PageTables:        38260 kB
  NFS_Unstable:          0 kB
  Bounce:                0 kB
  WritebackTmp:          0 kB
  CommitLimit:    204091068 kB
  Committed_AS:   15333712 kB
  VmallocTotal:   34359738367 kB
  VmallocUsed:      163292 kB
  VmallocChunk:   34359457992 kB
  HardwareCorrupted:     0 kB
  AnonHugePages:     38912 kB
  HugePages_Total:       0
  HugePages_Free:        0
  HugePages_Rsvd:        0
  HugePages_Surp:        0
  Hugepagesize:       2048 kB
  DirectMap4k:      333824 kB
  DirectMap2M:    14313472 kB
  DirectMap1G:    18874368 kB

  
  This only seems to happens on specific hardware: Intel Server System P4000CP / S2600CP Motherboard, booted with kernel option: "pci=conf1"

  This does NOT happen on very similar hardware: Intel Server R2312GZ /
  S2600GZ Motherboard

  
  Is there a possible memory, or kernel memory sysctl configurable I'm missing here?
  --- 
  AlsaDevices:
   total 0
   crw-rw---T 1 root audio 116,  1 Aug 23 07:12 seq
   crw-rw---T 1 root audio 116, 33 Aug 23 07:12 timer
  AplayDevices: Error: [Errno 2] No such file or directory
  ApportVersion: 2.9.2-0ubuntu8.3
  Architecture: amd64
  ArecordDevices: Error: [Errno 2] No such file or directory
  AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/seq', '/dev/snd/timer'] failed with exit code 1:
  CRDA: Error: [Errno 2] No such file or directory
  DistroRelease: Ubuntu 13.04
  HibernationDevice: RESUME=UUID=98374fad-7836-4390-b311-614da0ca473c
  InstallationDate: Installed on 2013-02-17 (210 days ago)
  InstallationMedia: Ubuntu-Server 12.10 "Quantal Quetzal" - Release amd64 (20121017.2)
  Lsusb:
   Bus 001 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
   Bus 002 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
   Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
   Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
   Bus 002 Device 003: ID 046b:ff10 American Megatrends, Inc. Virtual Keyboard and Mouse
  MachineType: Intel Corporation S2600CP ..........
  MarkForUpload: True
  Package: linux 3.8.0.30.48
  PackageArchitecture: amd64
  PciMultimedia:
   
  ProcEnviron:
   TERM=screen
   PATH=(custom, no user)
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  ProcFB:
   
  ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.8.0-30-generic root=/dev/mapper/h01vg-root ro pci=conf1 intel_iommu=on
  ProcVersionSignature: Ubuntu 3.8.0-30.44-generic 3.8.13.6
  RelatedPackageVersions:
   linux-restricted-modules-3.8.0-30-generic N/A
   linux-backports-modules-3.8.0-30-generic  N/A
   linux-firmware                            1.106
  RfKill: Error: [Errno 2] No such file or directory
  Tags:  raring
  Uname: Linux 3.8.0-30-generic x86_64
  UpgradeStatus: Upgraded to raring on 2013-05-07 (132 days ago)
  UserGroups:
   
  dmi.bios.date: 02/26/2013
  dmi.bios.vendor: Intel Corp.
  dmi.bios.version: SE5C600.86B.01.08.0003.022620131521
  dmi.board.asset.tag: ....................
  dmi.board.name: S2600CP
  dmi.board.vendor: Intel Corporation
  dmi.board.version: E99552-507
  dmi.chassis.asset.tag: ....................
  dmi.chassis.type: 17
  dmi.chassis.vendor: ..............................
  dmi.chassis.version: ..................
  dmi.modalias: dmi:bvnIntelCorp.:bvrSE5C600.86B.01.08.0003.022620131521:bd02/26/2013:svnIntelCorporation:pnS2600CP..........:pvr....................:rvnIntelCorporation:rnS2600CP:rvrE99552-507:cvn..............................:ct17:cvr..................:
  dmi.product.name: S2600CP ..........
  dmi.product.version: ....................
  dmi.sys.vendor: Intel Corporation

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