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Message #29181
[Bug 1226172] Re: iostat: Cannot open /proc/stat: Cannot allocate memory
Thanks for the feedback, Ron. I updated that wiki page.
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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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