qemu invoked oom-killer obwohl 10gb Ram frei

rootieX4

New Member
Hallo,
heute Nacht hat Qemu da für gesorgt, dass meine VM und ein Gameserver gekillt wurden obwohl zu dem Zeitpunkt noch etwa 10gb Ram frei waren.
Vor einer Woche hatte ich das Problem schon mal und habe deswegen overcommit deaktiviert. Durch diese änderung hat sich der Ram allerdings so weit gefüllt, das es nicht mal mehr möglich dmesg aufzurufen.

Code:
[Do Jun  6 23:54:28 2013] qemu-system-x86 invoked oom-killer: gfp_mask=0xd0, order=0, oom_adj=0, oom_score_adj=0
[Do Jun  6 23:54:28 2013] qemu-system-x86 cpuset=/ mems_allowed=0
[Do Jun  6 23:54:28 2013] Pid: 6610, comm: qemu-system-x86 Tainted: G         C   3.2.0-36-generic #57-Ubuntu
[Do Jun  6 23:54:28 2013] Call Trace:
[Do Jun  6 23:54:28 2013]  [<ffffffff810c0f1d>] ? cpuset_print_task_mems_allowed+0x9d/0xb0
[Do Jun  6 23:54:28 2013]  [<ffffffff8111beb1>] dump_header+0x91/0xe0
[Do Jun  6 23:54:28 2013]  [<ffffffff8111c235>] oom_kill_process+0x85/0xb0
[Do Jun  6 23:54:28 2013]  [<ffffffff8111c5da>] out_of_memory+0xfa/0x220
[Do Jun  6 23:54:28 2013]  [<ffffffff81121fdc>] __alloc_pages_nodemask+0x8dc/0x8f0
[Do Jun  6 23:54:28 2013]  [<ffffffffa039fcc9>] ? apic_mmio_write+0x69/0x80 [kvm]
[Do Jun  6 23:54:28 2013]  [<ffffffff81159076>] alloc_pages_current+0xb6/0x120
[Do Jun  6 23:54:28 2013]  [<ffffffff8111d05e>] __get_free_pages+0xe/0x40
[Do Jun  6 23:54:28 2013]  [<ffffffffa039027c>] mmu_topup_memory_caches+0xdc/0x110 [kvm]
[Do Jun  6 23:54:28 2013]  [<ffffffffa0395dc6>] tdp_page_fault+0x46/0x200 [kvm]
[Do Jun  6 23:54:28 2013]  [<ffffffffa039c7b5>] ? x86_decode_insn+0x345/0x710 [kvm]
[Do Jun  6 23:54:28 2013]  [<ffffffffa039ccbf>] ? x86_emulate_insn+0x13f/0x15d0 [kvm]
[Do Jun  6 23:54:28 2013]  [<ffffffffa0390937>] kvm_mmu_page_fault+0x37/0xb0 [kvm]
[Do Jun  6 23:54:28 2013]  [<ffffffffa03da066>] handle_ept_violation+0x76/0x160 [kvm_intel]
[Do Jun  6 23:54:28 2013]  [<ffffffffa03de0b1>] vmx_handle_exit+0xb1/0x260 [kvm_intel]
[Do Jun  6 23:54:28 2013]  [<ffffffffa0389893>] vcpu_enter_guest+0x1e3/0x590 [kvm]
[Do Jun  6 23:54:28 2013]  [<ffffffffa038a1c8>] __vcpu_run+0x158/0x2d0 [kvm]
[Do Jun  6 23:54:28 2013]  [<ffffffffa038a3be>] kvm_arch_vcpu_ioctl_run+0x7e/0x150 [kvm]
[Do Jun  6 23:54:28 2013]  [<ffffffffa0373192>] kvm_vcpu_ioctl+0x4e2/0x780 [kvm]
[Do Jun  6 23:54:28 2013]  [<ffffffffa0373dbb>] ? kvm_vm_ioctl+0x10b/0x300 [kvm]
[Do Jun  6 23:54:28 2013]  [<ffffffff81660fd0>] ? do_page_fault+0x210/0x520
[Do Jun  6 23:54:28 2013]  [<ffffffff8118b76a>] do_vfs_ioctl+0x8a/0x340
[Do Jun  6 23:54:28 2013]  [<ffffffff81115f2d>] ? fire_user_return_notifiers+0x3d/0x50
[Do Jun  6 23:54:28 2013]  [<ffffffff8118bab1>] sys_ioctl+0x91/0xa0
[Do Jun  6 23:54:28 2013]  [<ffffffff81665a02>] system_call_fastpath+0x16/0x1b
[Do Jun  6 23:54:28 2013] Mem-Info:
[Do Jun  6 23:54:28 2013] Node 0 DMA per-cpu:
[Do Jun  6 23:54:28 2013] CPU    0: hi:    0, btch:   1 usd:   0
[Do Jun  6 23:54:28 2013] CPU    1: hi:    0, btch:   1 usd:   0
[Do Jun  6 23:54:28 2013] CPU    2: hi:    0, btch:   1 usd:   0
[Do Jun  6 23:54:28 2013] CPU    3: hi:    0, btch:   1 usd:   0
[Do Jun  6 23:54:28 2013] CPU    4: hi:    0, btch:   1 usd:   0
[Do Jun  6 23:54:28 2013] CPU    5: hi:    0, btch:   1 usd:   0
[Do Jun  6 23:54:28 2013] CPU    6: hi:    0, btch:   1 usd:   0
[Do Jun  6 23:54:28 2013] CPU    7: hi:    0, btch:   1 usd:   0
[Do Jun  6 23:54:28 2013] Node 0 DMA32 per-cpu:
[Do Jun  6 23:54:28 2013] CPU    0: hi:  186, btch:  31 usd:   0
[Do Jun  6 23:54:28 2013] CPU    1: hi:  186, btch:  31 usd:  10
[Do Jun  6 23:54:28 2013] CPU    2: hi:  186, btch:  31 usd:   2
[Do Jun  6 23:54:28 2013] CPU    3: hi:  186, btch:  31 usd:   3
[Do Jun  6 23:54:28 2013] CPU    4: hi:  186, btch:  31 usd:   0
[Do Jun  6 23:54:28 2013] CPU    5: hi:  186, btch:  31 usd:   0
[Do Jun  6 23:54:28 2013] CPU    6: hi:  186, btch:  31 usd:   0
[Do Jun  6 23:54:28 2013] CPU    7: hi:  186, btch:  31 usd:   0
[Do Jun  6 23:54:28 2013] Node 0 Normal per-cpu:
[Do Jun  6 23:54:28 2013] CPU    0: hi:  186, btch:  31 usd:  63
[Do Jun  6 23:54:28 2013] CPU    1: hi:  186, btch:  31 usd:  64
[Do Jun  6 23:54:28 2013] CPU    2: hi:  186, btch:  31 usd:  65
[Do Jun  6 23:54:28 2013] CPU    3: hi:  186, btch:  31 usd:  30
[Do Jun  6 23:54:28 2013] CPU    4: hi:  186, btch:  31 usd:  38
[Do Jun  6 23:54:28 2013] CPU    5: hi:  186, btch:  31 usd:  64
[Do Jun  6 23:54:28 2013] CPU    6: hi:  186, btch:  31 usd:   2
[Do Jun  6 23:54:28 2013] CPU    7: hi:  186, btch:  31 usd:  31
[Do Jun  6 23:54:28 2013] active_anon:7149316 inactive_anon:788077 isolated_anon:0
[Do Jun  6 23:54:28 2013]  active_file:275 inactive_file:531 isolated_file:29
[Do Jun  6 23:54:28 2013]  unevictable:3422 dirty:8 writeback:27 unstable:0
[Do Jun  6 23:54:28 2013]  free:49503 slab_reclaimable:28519 slab_unreclaimable:69801
[Do Jun  6 23:54:28 2013]  mapped:1560 shmem:1931942 pagetables:18340 bounce:0
[Do Jun  6 23:54:28 2013] Node 0 DMA free:15904kB min:32kB low:40kB high:48kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:15648kB mlocked:0kB dirty:0kB writeback:0kB mapped:0kB shmem:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB unstable:0kB bounce:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? yes
[Do Jun  6 23:54:28 2013] lowmem_reserve[]: 0 3438 32140 32140
[Do Jun  6 23:54:28 2013] Node 0 DMA32 free:121976kB min:7224kB low:9028kB high:10836kB active_anon:3255128kB inactive_anon:93440kB active_file:116kB inactive_file:136kB unevictable:172kB isolated(anon):0kB isolated(file):116kB present:3520768kB mlocked:172kB dirty:0kB writeback:12kB mapped:212kB shmem:547476kB slab_reclaimable:14172kB slab_unreclaimable:11824kB kernel_stack:432kB pagetables:6316kB unstable:0kB bounce:0kB writeback_tmp:0kB pages_scanned:467 all_unreclaimable? yes
[Do Jun  6 23:54:28 2013] lowmem_reserve[]: 0 0 28702 28702
[Do Jun  6 23:54:28 2013] Node 0 Normal free:60132kB min:60324kB low:75404kB high:90484kB active_anon:25342136kB inactive_anon:3058868kB active_file:984kB inactive_file:1988kB unevictable:13516kB isolated(anon):0kB isolated(file):0kB present:29391264kB mlocked:13516kB dirty:32kB writeback:96kB mapped:6028kB shmem:7180292kB slab_reclaimable:99904kB slab_unreclaimable:267380kB kernel_stack:5784kB pagetables:67044kB unstable:0kB bounce:0kB writeback_tmp:0kB pages_scanned:5681 all_unreclaimable? yes
[Do Jun  6 23:54:28 2013] lowmem_reserve[]: 0 0 0 0
[Do Jun  6 23:54:28 2013] Node 0 DMA: 0*4kB 0*8kB 0*16kB 1*32kB 2*64kB 1*128kB 1*256kB 0*512kB 1*1024kB 1*2048kB 3*4096kB = 15904kB
[Do Jun  6 23:54:28 2013] Node 0 DMA32: 625*4kB 339*8kB 319*16kB 418*32kB 328*64kB 210*128kB 98*256kB 33*512kB 5*1024kB 0*2048kB 1*4096kB = 122764kB
[Do Jun  6 23:54:28 2013] Node 0 Normal: 4270*4kB 1198*8kB 944*16kB 383*32kB 20*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 1*4096kB = 59400kB
[Do Jun  6 23:54:28 2013] 1933985 total pagecache pages
[Do Jun  6 23:54:28 2013] 0 pages in swap cache
[Do Jun  6 23:54:28 2013] Swap cache stats: add 0, delete 0, find 0/0
[Do Jun  6 23:54:28 2013] Free swap  = 0kB
[Do Jun  6 23:54:28 2013] Total swap = 0kB
[Do Jun  6 23:54:29 2013] 8381936 pages RAM
[Do Jun  6 23:54:29 2013] 167864 pages reserved
[Do Jun  6 23:54:29 2013] 576632 pages shared
[Do Jun  6 23:54:29 2013] 7896736 pages non-shared
[Do Jun  6 23:54:29 2013] [ pid ]   uid  tgid total_vm      rss cpu oom_adj oom_score_adj name
[Do Jun  6 23:54:29 2013] [  584]     0   584     4308      102   2       0             0 upstart-udev-br
[Do Jun  6 23:54:29 2013] [  592]     0   592     5450      348   1     -17         -1000 udevd
[Do Jun  6 23:54:29 2013] [  619]     0   619     6385      164   5       0             0 rpc.idmapd
[Do Jun  6 23:54:29 2013] [  826]   110   826     6244      448   6       0             0 dbus-daemon
[Do Jun  6 23:54:29 2013] [  898]     0   898     5297      205   0       0             0 bluetoothd
[Do Jun  6 23:54:29 2013] [  903]     0   903    26040      472   6       0             0 cupsd
[Do Jun  6 23:54:29 2013] [  909]     0   909     3797       61   7       0             0 upstart-socket-
[Do Jun  6 23:54:29 2013] [  912]     0   912     4800      213   2       0             0 rpcbind
[Do Jun  6 23:54:29 2013] [ 1019]   105  1019     5376      272   0       0             0 rpc.statd
[Do Jun  6 23:54:29 2013] [ 1050]     0  1050    12508      343   7     -17         -1000 sshd
[Do Jun  6 23:54:29 2013] [ 1090]     0  1090    19760      339   5       0             0 modem-manager
[Do Jun  6 23:54:29 2013] [ 1118]     0  1118    38998      434   3       0             0 NetworkManager
[Do Jun  6 23:54:29 2013] [ 1122]     0  1122    48868      471   2       0             0 polkitd
[Do Jun  6 23:54:29 2013] [ 1215]     0  1215     3935      206   0       0             0 getty
[Do Jun  6 23:54:29 2013] [ 1221]     0  1221     3935      205   5       0             0 getty
[Do Jun  6 23:54:29 2013] [ 1262]     0  1262     3935      205   0       0             0 getty
[Do Jun  6 23:54:29 2013] [ 1263]     0  1263     3935      205   1       0             0 getty
[Do Jun  6 23:54:29 2013] [ 1267]     0  1267     3935      207   0       0             0 getty
[Do Jun  6 23:54:29 2013] [ 1278]     0  1278     1115      199   1       0             0 acpid
[Do Jun  6 23:54:29 2013] [ 1279]     0  1279    31382      284   4       0             0 gdm-binary
[Do Jun  6 23:54:29 2013] [ 1296]     0  1296     4358      217   3       0             0 dovecot
[Do Jun  6 23:54:29 2013] [ 1301]     0  1301     4778      217   3       0             0 cron
[Do Jun  6 23:54:29 2013] [ 1341]   106  1341  1103101   549237   3       0             0 mysqld
[Do Jun  6 23:54:29 2013] [ 1434]     0  1434    34860      369   0       0             0 gdm-simple-slav
[Do Jun  6 23:54:29 2013] [ 1438]     0  1438   213719     1018   6       0             0 libvirtd
[Do Jun  6 23:54:29 2013] [ 1455]   119  1455    50091      543   0       0             0 whoopsie
[Do Jun  6 23:54:29 2013] [ 1565]     0  1565    29645     1549   2       0             0 Xorg
[Do Jun  6 23:54:29 2013] [ 1585]   108  1585     2238      170   0       0             0 anvil
[Do Jun  6 23:54:29 2013] [ 1586]     0  1586     2269      179   2       0             0 log
[Do Jun  6 23:54:29 2013] [ 1659]   126  1659    11005      424   0       0             0 freshclam
[Do Jun  6 23:54:29 2013] [ 1984]     0  1984  1047219      507   0       0             0 console-kit-dae
[Do Jun  6 23:54:29 2013] [ 2191]  1000  2191     6037      243   1       0             0 screen
[Do Jun  6 23:54:29 2013] [ 2208]  1000  2208     9527     1474   3       0             0 python
[Do Jun  6 23:54:29 2013] [ 2214]  1000  2214     1100      133   6       0             0 sh
[Do Jun  6 23:54:29 2013] [ 2226]  1000  2226  1975776    78677   2       0             0 java
[Do Jun  6 23:54:29 2013] [ 2290]  1000  2290     6037      245   0       0             0 screen
[Do Jun  6 23:54:29 2013] [ 2292]  1000  2292     9527     1471   3       0             0 python
[Do Jun  6 23:54:29 2013] [ 2300]  1000  2300     1100      133   5       0             0 sh
[Do Jun  6 23:54:29 2013] [ 2302]  1000  2302  1678311    93526   0       0             0 java
[Do Jun  6 23:54:29 2013] [ 2393]   114  2393     6117      223   0       0             0 dbus-daemon
[Do Jun  6 23:54:29 2013] [ 2397]   114  2397    97981      762   7       0             0 gnome-session
[Do Jun  6 23:54:29 2013] [ 2585]   114  2585    12771      606   1       0             0 gconfd-2
[Do Jun  6 23:54:29 2013] [ 2635]   114  2635   211945     1506   0       0             0 gnome-settings-
[Do Jun  6 23:54:29 2013] [ 2832]     0  2832    54975      399   2       0             0 upowerd
[Do Jun  6 23:54:29 2013] [ 3034]   102  3034     9443      366   4       0             0 ntpd
[Do Jun  6 23:54:29 2013] [ 3150]  1000  3150     6037      245   2       0             0 screen
[Do Jun  6 23:54:29 2013] [ 3151]  1000  3151     9528     1475   3       0             0 python
[Do Jun  6 23:54:29 2013] [ 3199]  1000  3199     1100      132   4       0             0 sh
[Do Jun  6 23:54:29 2013] [ 3201]  1000  3201  3929764   129336   1       0             0 java
[Do Jun  6 23:54:29 2013] [ 3237]   114  3237     9224      226   5       0             0 gvfsd
[Do Jun  6 23:54:29 2013] [ 3310]   114  3310    86914      308   5       0             0 at-spi-bus-laun
[Do Jun  6 23:54:29 2013] [ 3314]   114  3314     5987      265   3       0             0 dbus-daemon
[Do Jun  6 23:54:29 2013] [ 3317]   114  3317    31141      308   7       0             0 at-spi2-registr
[Do Jun  6 23:54:29 2013] [ 3365]   114  3365   145223     1073   1       0             0 metacity
[Do Jun  6 23:54:29 2013] [ 3367]   112  3367   125037      922   2       0             0 colord
[Do Jun  6 23:54:29 2013] [ 3396]   114  3396    64350      468   1       0             0 pulseaudio
[Do Jun  6 23:54:29 2013] [ 3398]   117  3398    42218      225   4       0             0 rtkit-daemon
[Do Jun  6 23:54:29 2013] [ 3405]   114  3405    25558      334   2       0             0 gconf-helper
[Do Jun  6 23:54:29 2013] [ 3465]   114  3465   105070     1418   0       0             0 gdm-simple-gree
[Do Jun  6 23:54:29 2013] [ 3477]     0  3477    11407      295   1       0             0 gdm-session-wor
[Do Jun  6 23:54:29 2013] [ 3492]     0  3492    30384      328   6       0             0 accounts-daemon
[Do Jun  6 23:54:29 2013] [ 4538]  1004  4538   543911     3675   0       0             0 ts3server_linux
[Do Jun  6 23:54:29 2013] [ 5201]     0  5201     7080      339   0       0             0 rpc.mountd
[Do Jun  6 23:54:29 2013] [ 5252]   132  5252   149286     9195   0       0             0 ntop
[Do Jun  6 23:54:29 2013] [ 5279]     0  5279    44338      934   0       0             0 php5-fpm
[Do Jun  6 23:54:29 2013] [ 5280]    33  5280    44338      860   6       0             0 php5-fpm
[Do Jun  6 23:54:29 2013] [ 5281]    33  5281    44338      861   4       0             0 php5-fpm
[Do Jun  6 23:54:29 2013] [ 5282]    33  5282    44338      861   5       0             0 php5-fpm
[Do Jun  6 23:54:29 2013] [ 5283]    33  5283    44338      861   6       0             0 php5-fpm
[Do Jun  6 23:54:29 2013] [ 5392]     0  5392     6277      270   0       0             0 master
[Do Jun  6 23:54:29 2013] [ 5397]   104  5397     6834      277   2       0             0 qmgr
[Do Jun  6 23:54:29 2013] [ 5433]   133  5433     1077       85   7       0             0 uml_switch
[Do Jun  6 23:54:29 2013] [ 5457]     0  5457     1852      151   2       0             0 vnstatd
[Do Jun  6 23:54:29 2013] [ 5491]     0  5491     3340      148   3       0             0 mdadm
[Do Jun  6 23:54:29 2013] [ 5541]     0  5541    58947     1843   6       0             0 apache2
[Do Jun  6 23:54:29 2013] [ 5577]     0  5577   307170     1821   4       0             0 fail2ban-server
[Do Jun  6 23:54:29 2013] [ 5580]     0  5580     5632      255   4       0             0 gam_server
[Do Jun  6 23:54:29 2013] [ 5657]     0  5657     3935      207   2       0             0 getty
[Do Jun  6 23:54:29 2013] [ 6545]     0  6545     6746      274   0       0             0 screen
[Do Jun  6 23:54:29 2013] [ 6546]     0  6546  2149550   677930   1       0             0 qemu-system-x86
[Do Jun  6 23:54:29 2013] [ 6584]     0  6584     6746      274   3       0             0 screen
[Do Jun  6 23:54:29 2013] [ 6585]     0  6585  2847560  1596995   0       0             0 qemu-system-x86
[Do Jun  6 23:54:29 2013] [ 8740]  1000  8740     6816      355   5       0             0 screen
[Do Jun  6 23:54:29 2013] [ 8741]  1000  8741    64243     1192   2       0             0 python
[Do Jun  6 23:54:29 2013] [10678]  1000 10678     6746      275   0       0             0 screen
[Do Jun  6 23:54:29 2013] [10679]  1000 10679    50072     2015   4       0             0 python
[Do Jun  6 23:54:29 2013] [29607]    33 29607    58969     1632   7       0             0 apache2
[Do Jun  6 23:54:29 2013] [29608]    33 29608    58969     1632   5       0             0 apache2
[Do Jun  6 23:54:29 2013] [29609]    33 29609    58969     1632   7       0             0 apache2
[Do Jun  6 23:54:29 2013] [29610]    33 29610    58969     1632   0       0             0 apache2
[Do Jun  6 23:54:29 2013] [29611]    33 29611    58961     1651   2       0             0 apache2
[Do Jun  6 23:54:29 2013] [ 5049]     0  5049    13037     2093   7       0             0 /usr/sbin/munin
[Do Jun  6 23:54:29 2013] [16729]   130 16729  2203211   445638   0       0             0 kvm
[Do Jun  6 23:54:29 2013] [29065]  1000 29065     6037      242   6       0             0 screen
[Do Jun  6 23:54:29 2013] [29066]  1000 29066     9528     1476   3       0             0 python
[Do Jun  6 23:54:29 2013] [29082]  1000 29082     6037      243   3       0             0 screen
[Do Jun  6 23:54:29 2013] [29083]  1000 29083     9528     1475   3       0             0 python
[Do Jun  6 23:54:29 2013] [29091]  1000 29091     1100      132   0       0             0 sh
[Do Jun  6 23:54:29 2013] [29107]  1000 29107  1723666   125875   1       0             0 java
[Do Jun  6 23:54:29 2013] [29114]  1000 29114     1100      132   7       0             0 sh
[Do Jun  6 23:54:29 2013] [29116]  1000 29116  1728464   286786   0       0             0 java
[Do Jun  6 23:54:29 2013] [29173]  1000 29173     6037      241   4       0             0 screen
[Do Jun  6 23:54:29 2013] [29174]  1000 29174     9528     1475   3       0             0 python
[Do Jun  6 23:54:29 2013] [29190]  1000 29190     6037      241   3       0             0 screen
[Do Jun  6 23:54:29 2013] [29191]  1000 29191     9528     1475   2       0             0 python
[Do Jun  6 23:54:29 2013] [29199]  1000 29199     1100      133   6       0             0 sh
[Do Jun  6 23:54:29 2013] [29201]  1000 29201  2195326   129559   0       0             0 java
[Do Jun  6 23:54:29 2013] [29215]  1000 29215     1100      132   7       0             0 sh
[Do Jun  6 23:54:29 2013] [29217]  1000 29217  4124022  2138240   7       0             0 java
[Do Jun  6 23:54:29 2013] [ 6261]     0  6261     6493     3423   1       0             0 atop
[Do Jun  6 23:54:29 2013] [  879]   101   879    62367      303   3       0             0 rsyslogd
[Do Jun  6 23:54:29 2013] [21629]  1003 21629     6746      285   2       0             0 screen
[Do Jun  6 23:54:29 2013] [21631]  1003 21631  2977211   231284   0       0             0 java
[Do Jun  6 23:54:29 2013] [14413]   104 14413     6793      254   0       0             0 pickup
[Do Jun  6 23:54:29 2013] [31010]     0 31010    12688      261   0       0             0 cron
[Do Jun  6 23:54:29 2013] [31017]  1000 31017     1100      133   0       0             0 sh
[Do Jun  6 23:54:29 2013] [31023]  1000 31023     1077       84   0       0             0 sleep
[Do Jun  6 23:54:29 2013] [31052]     0 31052    22044      448   3       0             0 sshd
[Do Jun  6 23:54:29 2013] [31054]   104 31054     6852      304   0       0             0 cleanup
[Do Jun  6 23:54:29 2013] [31055]   104 31055     6796      228   1       0             0 trivial-rewrite
[Do Jun  6 23:54:29 2013] [31118]   104 31118     6792      220   0       0             0 error
[Do Jun  6 23:54:29 2013] [31119]   104 31119     6801      250   3       0             0 bounce
[Do Jun  6 23:54:29 2013] [31472]  1000 31472    23676     1933   3       0             0 sshd
[Do Jun  6 23:54:29 2013] [31473]  1000 31473    40875     5749   0       0             0 rsync
[Do Jun  6 23:54:29 2013] [ 1070]   104  1070    14796      420   5       0             0 smtp
[Do Jun  6 23:54:29 2013] [ 1073]   104  1073     6801      249   6       0             0 bounce
[Do Jun  6 23:54:29 2013] Out of memory: Kill process 29217 (java) score 260 or sacrifice child
[Do Jun  6 23:54:29 2013] Killed process 29217 (java) total-vm:16496088kB, anon-rss:8552392kB, file-rss:568kB

Ist es irgentwie möglich, zu verhindern das Qemu den oom-killer auslöst oder sich zu viel Ram nimmt ?
 

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Nein, es ist ein 64 Bit Ubuntu mit 32GB Ram:
Code:
 3.2.0-36-generic #57-Ubuntu SMP Tue Jan 8 21:44:52 UTC 2013 x86_64 x86_64 x86_64 GNU/Linux
 
Dein Problem liegt in folgendem Teil welcher die freie RAM beschreibt:
Code:
[Do Jun  6 23:54:28 2013] Node 0 DMA32 free:121976kB min:7224kB low:9028kB high:10836kB active_anon:3255128kB inactive_anon:93440kB active_file:116kB inactive_file:136kB unevictable:172kB isolated(anon):0kB isolated(file):116kB present:3520768kB mlocked:172kB dirty:0kB writeback:12kB mapped:212kB shmem:547476kB slab_reclaimable:14172kB slab_unreclaimable:11824kB kernel_stack:432kB pagetables:6316kB unstable:0kB bounce:0kB writeback_tmp:0kB pages_scanned:467 all_unreclaimable? yes
[Do Jun  6 23:54:28 2013] lowmem_reserve[]: 0 0 28702 28702
[Do Jun  6 23:54:28 2013] Node 0 Normal free:60132kB min:60324kB low:75404kB high:90484kB active_anon:25342136kB inactive_anon:3058868kB active_file:984kB inactive_file:1988kB unevictable:13516kB isolated(anon):0kB isolated(file):0kB present:29391264kB mlocked:13516kB dirty:32kB writeback:96kB mapped:6028kB shmem:7180292kB slab_reclaimable:99904kB slab_unreclaimable:267380kB kernel_stack:5784kB pagetables:67044kB unstable:0kB bounce:0kB writeback_tmp:0kB pages_scanned:5681 all_unreclaimable? yes
[Do Jun  6 23:54:28 2013] lowmem_reserve[]: 0 0 0 0
[Do Jun  6 23:54:28 2013] Node 0 DMA: 0*4kB 0*8kB 0*16kB 1*32kB 2*64kB 1*128kB 1*256kB 0*512kB 1*1024kB 1*2048kB 3*4096kB = 15904kB
[Do Jun  6 23:54:28 2013] Node 0 DMA32: 625*4kB 339*8kB 319*16kB 418*32kB 328*64kB 210*128kB 98*256kB 33*512kB 5*1024kB 0*2048kB 1*4096kB = 122764kB
[Do Jun  6 23:54:28 2013] Node 0 Normal: 4270*4kB 1198*8kB 944*16kB 383*32kB 20*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 1*4096kB = 59400kB
[Do Jun  6 23:54:28 2013] 1933985 total pagecache pages
[Do Jun  6 23:54:28 2013] 0 pages in swap cache
[Do Jun  6 23:54:28 2013] Swap cache stats: add 0, delete 0, find 0/0
[Do Jun  6 23:54:28 2013] Free swap  = 0kB
[Do Jun  6 23:54:28 2013] Total swap = 0kB
[Do Jun  6 23:54:29 2013] 8381936 pages RAM
[Do Jun  6 23:54:29 2013] 167864 pages reserved
[Do Jun  6 23:54:29 2013] 576632 pages shared
[Do Jun  6 23:54:29 2013] 7896736 pages non-share

Folgende Zeile hat den OOM verursacht:
Code:
[Do Jun  6 23:54:28 2013] Node 0 Normal free:60132kB min:60324kB low:75404kB high:90484kB active_anon:25342136kB inactive_anon:3058868kB active_file:984kB inactive_file:1988kB unevictable:13516kB isolated(anon):0kB isolated(file):0kB present:29391264kB mlocked:13516kB dirty:32kB writeback:96kB mapped:6028kB shmem:7180292kB slab_reclaimable:99904kB slab_unreclaimable:267380kB kernel_stack:5784kB pagetables:67044kB unstable:0kB bounce:0kB writeback_tmp:0kB pages_scanned:5681 all_unreclaimable? yes
Man sieht dass du 60132kB an RAM frei hattest, der OOM aber bei 60324kB getriggert wird. Das System triggert also den Killer.

Er sagt auch welche Arten an RAM-Blöcken er noch frei hat (RAM ist in nicht-gleichgrosse Teile unterteilt die sich je nach Belegung verändern, die kleinste Einheit ist ein RAM-Page)
Code:
Node 0 Normal: 4270*4kB 1198*8kB 944*16kB 383*32kB 20*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 1*4096kB = 59400kB
Insgesamt also etwa 59.4MB, nicht wirklich viel...
Dein System ist also tatsächlich OOM.

Das kann durch vieles verursacht werden, u.a. durch sehr starke RAM-Fragmentation, memory leaks (sehr tötlich und nicht unüblich bei Java-basierten Anwendungen) oder zu niedrige Konfiguration des Guest VM.
Meines Wissens war es zumindest bei alten Kernel-Versionen ebenfalls so dass Fragmentation nicht korrekt korrigiert werden konnte wenn kein SWAP präsent ist und somit das System sich selbst bei hoher Auslastung in Grund und Boden rammt.
 
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