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Cannot allocate memory [message #3508]

Thu, 01 June 2006 04:14

CleberDantas
Messages: 56
Registered: May 2006

Member

Hi,

In VPS (fedora 4)

root@linux [/var/log]# vzctl set 101 --privvmpages 512M --save
UB limits were set successefully
Saved parameters for VPS 101
root@linux [/var/log]#

[root@linux home]# ls
ls: error while loading shared libraries: libpthread.so.0: failed to map segment from shared object: Cannot allocate memory
[root@linux home]#

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Re: Cannot allocate memory [message #3511 is a reply to message #3508]

Thu, 01 June 2006 07:25

dim
Messages: 344
Registered: August 2005

Senior Member

Provide `cat /proc/user_beancounters` output please.

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Re: Cannot allocate memory [message #3532 is a reply to message #3511]

Thu, 01 June 2006 13:30

CleberDantas
Messages: 56
Registered: May 2006

Member

Hi Dim,

[root@linux ~]# cat /proc/user_beancounters
Version: 2.5
       uid  resource           held    maxheld    barrier      limit    failcnt
       101: kmemsize        1729858    1900846    2752512    2936012          0
            lockedpages           0          8         32         32          0
            privvmpages       73605      75063     131072     131072        118
            shmpages            679       1975       8192       8192          0
            dummy                 0          0          0          0          0
            numproc              56         59       5000       5000         19
            physpages          8907      21487          0 2147483647          0
            vmguarpages           0          0       6144 2147483647          0
            oomguarpages       8907      21487       6144 2147483647          0
            numtcpsock           24         29         80         80          0
            numflock              3          6        100        110          0
            numpty                1          3         16         16          0
            numsiginfo            2          9        256        256          0
            tcpsndbuf         10780     235628     319488     524288          0
            tcprcvbuf             0     211660     319488     524288          0
            othersockbuf      15160      24072     132096     336896          0
            dgramrcvbuf           0       8372     132096     132096          0
            numothersock         14         19       3000       3000          0
            dcachesize       154638     159111    1048576    1097728          0
            numfile             413        493       2048       2048          0
            dummy                 0          0          0          0          0
            dummy                 0          0          0          0          0
            dummy                 0          0          0          0          0
            numiptent            10         10        128        128          0
[root@linux ~]#

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Re: Cannot allocate memory [message #3533 is a reply to message #3532]

Thu, 01 June 2006 13:40

dim
Messages: 344
Registered: August 2005

Senior Member

You need to allocate more memory for this VPS. And increase numproc value also.

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Re: Cannot allocate memory [message #3536 is a reply to message #3508]

Thu, 01 June 2006 15:28

kir
Messages: 1645
Registered: August 2005
Location: Moscow, Russia

Senior Member

Read this: http://wiki.openvz.org/Resource_management

Kir Kolyshkin

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Re: Cannot allocate memory [message #3551 is a reply to message #3508]

Sat, 03 June 2006 06:32

dev
Messages: 1693
Registered: September 2005
Location: Moscow

Senior Member

1. uname -a
2. ulimit -a

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Re: Cannot allocate memory [message #3554 is a reply to message #3551]

Sat, 03 June 2006 12:35

CleberDantas
Messages: 56
Registered: May 2006

Member

root@linux [~]# uname -a
Linux linux.servidor.com 2.6.8-022stab077.1 #1 Fri Apr 21 16:50:02 MSD 2006 i686 i686 i386 GNU/Linux

root@linux [~]# ulimit -a
core file size          (blocks, -c) 0
data seg size           (kbytes, -d) unlimited
file size               (blocks, -f) unlimited
pending signals                 (-i) 1024
max locked memory       (kbytes, -l) unlimited
max memory size         (kbytes, -m) unlimited
open files                      (-n) 1024
pipe size            (512 bytes, -p) 8
POSIX message queues     (bytes, -q) 819200
stack size              (kbytes, -s) 8192
cpu time               (seconds, -t) unlimited
max user processes              (-u) 16255
virtual memory          (kbytes, -v) unlimited
file locks                      (-x) unlimited
root@linux [~]#

[Updated on: Sat, 03 June 2006 12:35]

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Re: Cannot allocate memory [message #3566 is a reply to message #3532]

Mon, 05 June 2006 07:34

dev
Messages: 1693
Registered: September 2005
Location: Moscow

Senior Member

1. do you have recompiled kernel or original binary from openvz.org?
2. are you running something in VPS or it is a freshly created VPS without any additional software inside?
3. is it reproducable?
4. it looks like you fail counters were hit before you changed the limits. Because, I can't believe that someone sane application could fork 5000 of processes. So can you check /proc/user_beancounters output after VPS stop; sleep 500; start; or machine reboot?

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