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[Xen-devel] [BUG] invocation of xl create with insufficient memory for new domU causes system reboot

  • To: xen-devel@xxxxxxxxxxxxx
  • From: "Georgy V. Repin" <grep@xxxxxxxxxxxx>
  • Date: Tue, 01 Apr 2014 13:35:59 +0400
  • Delivery-date: Tue, 01 Apr 2014 09:43:03 +0000
  • List-id: Xen developer discussion <xen-devel.lists.xen.org>
Hello!
1. Problem: invocation of xl create when there is not enough memory to create new domU causes oom to select process to kiill; when oom selects to kill quemu-system-* process, this causes kernel panic (it's my suppose, because i see no message "kernel panic" in log, but i do see "CPU: 0 PID: 7899 Comm: qemu-system-i38 Not tainted 3.10.17-gentoo #1" + failed call trace), and, therefore (assuming default settings) kernel reboot (see log at "4.") 
Couple of remarks:
- fix checking of available memory for new domU in xl toolstack could serve as workaround - real cause is not clear to me, maybe it's not even a xen bug (quemu ? kernel ?)
2. system information (kernel, glibc, etc.; unneccessary information omiitted): 
informika-xen-3 ~ # emerge --info
Portage 2.2.7 (default/linux/amd64/13.0, gcc-4.7.3, glibc-2.16.0, 3.10.17-gentoo x86_64) 
=================================================================
System uname: Linux-3.10.17-gentoo-x86_64-Intel-R-_Xeon-R-_CPU_E5620_@xxxxxxxxxxxxxxxxxxxxxxxx 
KiB Mem:    11274196 total,  10784164 free
KiB Swap:     976892 total,    976892 free
ld GNU ld (GNU Binutils) 2.23.1
app-shells/bash:          4.2_p45
dev-lang/python:          2.7.5-r3, 3.2.5-r3, 3.3.2-r2
dev-util/cmake:           2.8.11.2
dev-util/pkgconfig:       0.28
sys-apps/baselayout:      2.2
sys-apps/openrc:          0.12.4
sys-apps/sandbox:         2.6-r1
sys-devel/autoconf:       2.69
sys-devel/automake:       1.13.4
sys-devel/binutils:       2.23.1
sys-devel/gcc:            4.7.3-r1
sys-devel/gcc-config:     1.7.3
sys-devel/libtool:        2.4.2
sys-devel/make:           3.82-r4
sys-kernel/linux-headers: 3.9 (virtual/os-headers)
sys-libs/glibc:           2.16.0
Repositories: gentoo
ACCEPT_KEYWORDS="amd64"
CBUILD="x86_64-pc-linux-gnu"
CFLAGS="-O2 -march=core2 -pipe -fomit-frame-pointer -mno-tls-direct-seg-refs" 
CHOST="x86_64-pc-linux-gnu"
CXXFLAGS="-O2 -march=core2 -pipe -fomit-frame-pointer -mno-tls-direct-seg-refs" 
FCFLAGS="-O2 -pipe"
FFLAGS="-O2 -pipe"
LANG="ru_RU.utf8"
LC_ALL="ru_RU.utf8"
LDFLAGS="-Wl,-O1 -Wl,--as-needed"
MAKEOPTS="-j1"

3. xen information:
informika-xen-3 ~ # emerge -pv xen xen-tools
[ebuild R ] app-emulation/xen-tools-4.3.1-r3 USE="hvm pam pygrub python qemu -api -custom-cflags -debug -doc -flask -ocaml -screen -static-libs -xend" PYTHON_SINGLE_TARGET="python2_7 -python2_6" PYTHON_TARGETS="python2_7 -python2_6" 0 kB [ebuild R ~] app-emulation/xen-4.3.1-r2 USE="-custom-cflags -debug -efi -flask -xsm" 0 kB 

4. part of /var/log/messages
Apr 1 11:07:55 informika-xen-3 kernel: [1093415.268719] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB Apr 1 11:07:55 informika-xen-3 kernel: [1093415.268720] 2830 total pagecache pages Apr 1 11:07:55 informika-xen-3 kernel: [1093415.268722] 2499 pages in swap cache Apr 1 11:07:55 informika-xen-3 kernel: [1093415.268723] Swap cache stats: add 3364, delete 865, find 0/0 Apr 1 11:07:55 informika-xen-3 kernel: [1093415.268725] Free swap = 963436kB Apr 1 11:07:55 informika-xen-3 kernel: [1093415.268726] Total swap = 976892kB 
Apr  1 11:07:55 informika-xen-3 kernel: [1093415.331703] 6291455 pages RAM
Apr 1 11:07:55 informika-xen-3 kernel: [1093415.331707] 248055 pages reserved 
Apr  1 11:07:55 informika-xen-3 kernel: [1093415.331709] 262298 pages shared
Apr 1 11:07:55 informika-xen-3 kernel: [1093415.331710] 6011909 pages non-shared Apr 1 11:07:55 informika-xen-3 kernel: [1093415.331712] [ pid ] uid tgid total_vm rss nr_ptes swapents oom_score_adj name Apr 1 11:07:55 informika-xen-3 kernel: [1093415.331738] [ 1774] 0 1774 8990 39 20 82 -1000 udevd Apr 1 11:07:55 informika-xen-3 kernel: [1093415.331743] [ 2697] 0 2697 6270 13 16 46 0 syslog-ng Apr 1 11:07:55 informika-xen-3 kernel: [1093415.331746] [ 2698] 0 2698 86549 72 36 306 0 syslog-ng Apr 1 11:07:55 informika-xen-3 kernel: [1093415.331749] [ 5870] 0 5870 2735 17 11 114 0 xenstored Apr 1 11:07:55 informika-xen-3 kernel: [1093415.331752] [ 5954] 0 5954 5489 0 16 48 0 fcron Apr 1 11:07:55 informika-xen-3 kernel: [1093415.331755] [ 5998] 0 5998 8010 13 20 106 -1000 sshd Apr 1 11:07:55 informika-xen-3 kernel: [1093415.331757] [ 6019] 0 6019 22721 2 19 58 0 xenconsoled Apr 1 11:07:55 informika-xen-3 kernel: [1093415.331760] [ 6194] 101 6194 2956 2 11 41 0 zabbix_agentd Apr 1 11:07:55 informika-xen-3 kernel: [1093415.331763] [ 6199] 101 6199 2956 245 11 41 0 zabbix_agentd Apr 1 11:07:55 informika-xen-3 kernel: [1093415.331765] [ 6200] 101 6200 2956 21 11 47 0 zabbix_agentd Apr 1 11:07:55 informika-xen-3 kernel: [1093415.331767] [ 6201] 101 6201 2956 21 11 47 0 zabbix_agentd Apr 1 11:07:55 informika-xen-3 kernel: [1093415.331770] [ 6202] 101 6202 2956 21 11 47 0 zabbix_agentd Apr 1 11:07:55 informika-xen-3 kernel: [1093415.331772] [ 6203] 101 6203 2956 22 11 46 0 zabbix_agentd Apr 1 11:07:55 informika-xen-3 kernel: [1093415.331774] [ 6204] 101 6204 2956 21 11 47 0 zabbix_agentd Apr 1 11:07:55 informika-xen-3 kernel: [1093415.331777] [ 6246] 0 6246 3864 1 13 39 0 agetty Apr 1 11:07:55 informika-xen-3 kernel: [1093415.331780] [ 6247] 0 6247 3864 1 13 39 0 agetty Apr 1 11:07:55 informika-xen-3 kernel: [1093415.331782] [ 6248] 0 6248 3864 1 13 39 0 agetty Apr 1 11:07:55 informika-xen-3 kernel: [1093415.331784] [ 6249] 0 6249 3864 1 13 39 0 agetty Apr 1 11:07:55 informika-xen-3 kernel: [1093415.331786] [ 6251] 0 6251 3864 1 13 40 0 agetty Apr 1 11:07:55 informika-xen-3 kernel: [1093415.331791] [13742] 0 13742 25534 0 25 127 0 xl Apr 1 11:07:55 informika-xen-3 kernel: [1093415.331795] [13945] 0 13945 32183 4788 36 1986 0 xl Apr 1 11:07:55 informika-xen-3 kernel: [1093415.331799] [ 7899] 0 7899 59868 2136 53 529 0 qemu-system-i38 Apr 1 11:07:55 informika-xen-3 kernel: [1093415.331802] [ 7989] 0 7989 25534 16 23 112 0 xl Apr 1 11:07:55 informika-xen-3 kernel: [1093415.331807] [10154] 0 10154 30647 5233 34 0 0 xl Apr 1 11:07:55 informika-xen-3 kernel: [1093415.331810] [22644] 0 22644 73518 1867 63 0 0 qemu-system-i38 Apr 1 11:07:55 informika-xen-3 kernel: [1093415.331827] [22807] 0 22807 25538 127 23 0 0 xl Apr 1 11:07:55 informika-xen-3 kernel: [1093415.331831] [10075] 0 10075 18016 190 40 0 0 sshd Apr 1 11:07:55 informika-xen-3 kernel: [1093415.331834] [10079] 0 10079 5811 138 16 0 0 bash Apr 1 11:07:55 informika-xen-3 kernel: [1093415.331838] [10822] 0 10822 3864 40 13 0 0 agetty Apr 1 11:07:55 informika-xen-3 kernel: [1093415.331842] [12178] 0 12178 9142 71 24 0 0 xl Apr 1 11:07:55 informika-xen-3 kernel: [1093415.331845] Out of memory: Kill process 6199 (zabbix_agentd) score 0 or sacrifice child Apr 1 11:07:55 informika-xen-3 kernel: [1093415.331847] Killed process 6199 (zabbix_agentd) total-vm:11824kB, anon-rss:0kB, file-rss:980kB Apr 1 11:07:57 informika-xen-3 kernel: [1093417.346289] qemu-system-i38 invoked oom-killer: gfp_mask=0x201da, order=0, oom_score_adj=0 Apr 1 11:07:57 informika-xen-3 kernel: [1093417.346294] qemu-system-i38 cpuset=/ mems_allowed=0 Apr 1 11:07:57 informika-xen-3 kernel: [1093417.346297] CPU: 0 PID: 7899 Comm: qemu-system-i38 Not tainted 3.10.17-gentoo #1 Apr 1 11:07:57 informika-xen-3 kernel: [1093417.346299] Hardware name: FUJITSU PRIMERGY RX300 S6 /D2619, BIOS 6.00 Rev. 1.13.2619.N1 01/19/2012 Apr 1 11:07:57 informika-xen-3 kernel: [1093417.346301] 0000000000000000 ffff8801c6f6b748 ffffffff81969d9b ffff8801c6f6b7c8 Apr 1 11:07:57 informika-xen-3 kernel: [1093417.346304] ffffffff81964922 ffff8801c6f6b768 ffffffff810081f9 0000000000000200 Apr 1 11:07:57 informika-xen-3 kernel: [1093417.346307] ffff8806010404c8 ffffffff81971cc9 0000000081c67ce0 ffff8801c6f6b7c8 
Apr  1 11:07:57 informika-xen-3 kernel: [1093417.346310] Call Trace:
Apr 1 11:07:57 informika-xen-3 kernel: [1093417.346317] [<ffffffff81969d9b>] dump_stack+0x19/0x1b Apr 1 11:07:57 informika-xen-3 kernel: [1093417.346321] [<ffffffff81964922>] dump_header.isra.7+0x76/0x1aa Apr 1 11:07:57 informika-xen-3 kernel: [1093417.346327] [<ffffffff810081f9>] ? xen_clocksource_get_cycles+0x9/0x10 Apr 1 11:07:57 informika-xen-3 kernel: [1093417.346331] [<ffffffff81971cc9>] ? _raw_spin_unlock_irqrestore+0x19/0x20 Apr 1 11:07:57 informika-xen-3 kernel: [1093417.346335] [<ffffffff81478123>] ? ___ratelimit+0xa3/0x120 Apr 1 11:07:57 informika-xen-3 kernel: [1093417.346339] [<ffffffff810ca377>] oom_kill_process+0x1b7/0x320 Apr 1 11:07:57 informika-xen-3 kernel: [1093417.346343] [<ffffffff81438780>] ? security_capable_noaudit+0x10/0x20 Apr 1 11:07:57 informika-xen-3 kernel: [1093417.346347] [<ffffffff8105e450>] ? has_ns_capability_noaudit+0x10/0x20 Apr 1 11:07:57 informika-xen-3 kernel: [1093417.346350] [<ffffffff8105e472>] ? has_capability_noaudit+0x12/0x20 Apr 1 11:07:57 informika-xen-3 kernel: [1093417.346352] [<ffffffff810caaa5>] out_of_memory+0x415/0x450 Apr 1 11:07:57 informika-xen-3 kernel: [1093417.346356] [<ffffffff810cfa15>] __alloc_pages_nodemask+0x955/0x970 Apr 1 11:07:57 informika-xen-3 kernel: [1093417.346361] [<ffffffff81102da7>] alloc_pages_current+0xb7/0x180 Apr 1 11:07:57 informika-xen-3 kernel: [1093417.346363] [<ffffffff810c7587>] __page_cache_alloc+0xa7/0xc0 Apr 1 11:07:57 informika-xen-3 kernel: [1093417.346366] [<ffffffff810c952a>] filemap_fault+0x27a/0x430 Apr 1 11:07:57 informika-xen-3 kernel: [1093417.346369] [<ffffffff810e5c3c>] __do_fault+0x6c/0x490 Apr 1 11:07:57 informika-xen-3 kernel: [1093417.346373] [<ffffffff81121b10>] ? __pollwait+0xf0/0xf0 Apr 1 11:07:57 informika-xen-3 kernel: [1093417.346375] [<ffffffff810e8a5f>] handle_pte_fault+0x8f/0x860 Apr 1 11:07:57 informika-xen-3 kernel: [1093417.346378] [<ffffffff810074e0>] ? pte_mfn_to_pfn+0x70/0x100 Apr 1 11:07:57 informika-xen-3 kernel: [1093417.346380] [<ffffffff81007589>] ? xen_pmd_val+0x9/0x10 Apr 1 11:07:57 informika-xen-3 kernel: [1093417.346383] [<ffffffff81004859>] ? __raw_callee_save_xen_pmd_val+0x11/0x1e Apr 1 11:07:57 informika-xen-3 kernel: [1093417.346386] [<ffffffff810e9574>] handle_mm_fault+0x144/0x210 Apr 1 11:07:57 informika-xen-3 kernel: [1093417.346389] [<ffffffff8103d499>] __do_page_fault+0x159/0x4c0 Apr 1 11:07:57 informika-xen-3 kernel: [1093417.346392] [<ffffffff810e8a5f>] ? handle_pte_fault+0x8f/0x860 Apr 1 11:07:57 informika-xen-3 kernel: [1093417.346394] [<ffffffff810074e0>] ? pte_mfn_to_pfn+0x70/0x100 Apr 1 11:07:57 informika-xen-3 kernel: [1093417.346397] [<ffffffff81061f4a>] ? recalc_sigpending+0x1a/0x60 Apr 1 11:07:57 informika-xen-3 kernel: [1093417.346400] [<ffffffff8103d829>] do_page_fault+0x9/0x10 Apr 1 11:07:57 informika-xen-3 kernel: [1093417.346403] [<ffffffff81972558>] page_fault+0x28/0x30 Apr 1 11:07:57 informika-xen-3 kernel: [1093417.346406] [<ffffffff8147d9a0>] ? copy_user_generic_string+0x30/0x40 Apr 1 11:07:57 informika-xen-3 kernel: [1093417.346410] [<ffffffff811518c0>] ? eventfd_write+0x60/0x210 Apr 1 11:07:57 informika-xen-3 kernel: [1093417.346413] [<ffffffff8107f720>] ? try_to_wake_up+0x290/0x290 Apr 1 11:07:57 informika-xen-3 kernel: [1093417.346417] [<ffffffff8110ff60>] vfs_write+0xc0/0x1e0 Apr 1 11:07:57 informika-xen-3 kernel: [1093417.346420] [<ffffffff8111042d>] SyS_write+0x4d/0x90 Apr 1 11:07:57 informika-xen-3 kernel: [1093417.346422] [<ffffffff8103d829>] ? do_page_fault+0x9/0x10 Apr 1 11:07:57 informika-xen-3 kernel: [1093417.346425] [<ffffffff81972b2d>] system_call_fastpath+0x1a/0x1f 
Apr  1 11:07:57 informika-xen-3 kernel: [1093417.346427] Mem-Info:
Apr  1 11:07:57 informika-xen-3 kernel: [1093417.346428] Node 0 DMA per-cpu:
Apr 1 11:07:57 informika-xen-3 kernel: [1093417.346430] CPU 0: hi: 0, btch: 1 usd: 0 Apr 1 11:07:57 informika-xen-3 kernel: [1093417.346432] CPU 1: hi: 0, btch: 1 usd: 0 Apr 1 11:07:57 informika-xen-3 kernel: [1093417.346433] CPU 2: hi: 0, btch: 1 usd: 0 Apr 1 11:07:57 informika-xen-3 kernel: [1093417.346435] CPU 3: hi: 0, btch: 1 usd: 0 Apr 1 11:07:57 informika-xen-3 kernel: [1093417.346436] CPU 4: hi: 0, btch: 1 usd: 0 Apr 1 11:07:57 informika-xen-3 kernel: [1093417.346438] CPU 5: hi: 0, btch: 1 usd: 0 Apr 1 11:07:57 informika-xen-3 kernel: [1093417.346439] CPU 6: hi: 0, btch: 1 usd: 0 Apr 1 11:07:57 informika-xen-3 kernel: [1093417.346440] CPU 7: hi: 0, btch: 1 usd: 0 Apr 1 11:07:57 informika-xen-3 kernel: [1093417.346442] CPU 8: hi: 0, btch: 1 usd: 0 Apr 1 11:07:57 informika-xen-3 kernel: [1093417.346443] CPU 9: hi: 0, btch: 1 usd: 0 Apr 1 11:07:57 informika-xen-3 kernel: [1093417.346445] CPU 10: hi: 0, btch: 1 usd: 0 Apr 1 11:07:57 informika-xen-3 kernel: [1093417.346446] CPU 11: hi: 0, btch: 1 usd: 0 Apr 1 11:07:57 informika-xen-3 kernel: [1093417.346448] CPU 12: hi: 0, btch: 1 usd: 0 Apr 1 11:07:57 informika-xen-3 kernel: [1093417.346449] CPU 13: hi: 0, btch: 1 usd: 0 Apr 1 11:07:57 informika-xen-3 kernel: [1093417.346451] CPU 14: hi: 0, btch: 1 usd: 0 Apr 1 11:07:57 informika-xen-3 kernel: [1093417.346452] CPU 15: hi: 0, btch: 1 usd: 0 Apr 1 11:07:57 informika-xen-3 kernel: [1093417.346453] Node 0 DMA32 per-cpu: Apr 1 11:07:57 informika-xen-3 kernel: [1093417.346455] CPU 0: hi: 186, btch: 31 usd: 0 Apr 1 11:07:57 informika-xen-3 kernel: [1093417.346457] CPU 1: hi: 186, btch: 31 usd: 0 Apr 1 11:07:57 informika-xen-3 kernel: [1093417.346458] CPU 2: hi: 186, btch: 31 usd: 31 Apr 1 11:07:57 informika-xen-3 kernel: [1093417.346460] CPU 3: hi: 186, btch: 31 usd: 0 Apr 1 11:07:57 informika-xen-3 kernel: [1093417.346461] CPU 4: hi: 186, btch: 31 usd: 0 Apr 1 11:07:57 informika-xen-3 kernel: [1093417.346463] CPU 5: hi: 186, btch: 31 usd: 0 Apr 1 11:07:57 informika-xen-3 kernel: [1093417.346464] CPU 6: hi: 186, btch: 31 usd: 0 Apr 1 11:07:57 informika-xen-3 kernel: [1093417.346466] CPU 7: hi: 186, btch: 31 usd: 0 Apr 1 11:07:57 informika-xen-3 kernel: [1093417.346467] CPU 8: hi: 186, btch: 31 usd: 0 Apr 1 11:07:57 informika-xen-3 kernel: [1093417.346468] CPU 9: hi: 186, btch: 31 usd: 0 Apr 1 11:07:57 informika-xen-3 kernel: [1093417.346470] CPU 10: hi: 186, btch: 31 usd: 0 Apr 1 11:07:57 informika-xen-3 kernel: [1093417.346471] CPU 11: hi: 186, btch: 31 usd: 0 Apr 1 11:07:57 informika-xen-3 kernel: [1093417.346473] CPU 12: hi: 186, btch: 31 usd: 0 Apr 1 11:07:57 informika-xen-3 kernel: [1093417.346474] CPU 13: hi: 186, btch: 31 usd: 0 Apr 1 11:07:57 informika-xen-3 kernel: [1093417.346476] CPU 14: hi: 186, btch: 31 usd: 0 Apr 1 11:07:57 informika-xen-3 kernel: [1093417.346477] CPU 15: hi: 186, btch: 31 usd: 0 Apr 1 11:07:57 informika-xen-3 kernel: [1093417.346478] Node 0 Normal per-cpu: Apr 1 11:07:57 informika-xen-3 kernel: [1093417.346480] CPU 0: hi: 186, btch: 31 usd: 1 Apr 1 11:07:57 informika-xen-3 kernel: [1093417.346482] CPU 1: hi: 186, btch: 31 usd: 0 Apr 1 11:07:57 informika-xen-3 kernel: [1093417.346483] CPU 2: hi: 186, btch: 31 usd: 32 Apr 1 11:07:57 informika-xen-3 kernel: [1093417.346485] CPU 3: hi: 186, btch: 31 usd: 0 Apr 1 11:07:57 informika-xen-3 kernel: [1093417.346486] CPU 4: hi: 186, btch: 31 usd: 0 Apr 1 11:07:57 informika-xen-3 kernel: [1093417.346487] CPU 5: hi: 186, btch: 31 usd: 0 Apr 1 11:07:57 informika-xen-3 kernel: [1093417.346489] CPU 6: hi: 186, btch: 31 usd: 0 Apr 1 11:07:57 informika-xen-3 kernel: [1093417.346490] CPU 7: hi: 186, btch: 31 usd: 0 Apr 1 11:07:57 informika-xen-3 kernel: [1093417.346492] CPU 8: hi: 186, btch: 31 usd: 0 Apr 1 11:07:57 informika-xen-3 kernel: [1093417.346493] CPU 9: hi: 186, btch: 31 usd: 0 Apr 1 11:07:57 informika-xen-3 kernel: [1093417.346495] CPU 10: hi: 186, btch: 31 usd: 0 Apr 1 11:07:57 informika-xen-3 kernel: [1093417.346496] CPU 11: hi: 186, btch: 31 usd: 0 Apr 1 11:07:57 informika-xen-3 kernel: [1093417.346497] CPU 12: hi: 186, btch: 31 usd: 0 Apr 1 11:07:57 informika-xen-3 kernel: [1093417.346499] CPU 13: hi: 186, btch: 31 usd: 0 Apr 1 11:07:57 informika-xen-3 kernel: [1093417.346500] CPU 14: hi: 186, btch: 31 usd: 0 Apr 1 11:07:57 informika-xen-3 kernel: [1093417.346502] CPU 15: hi: 186, btch: 31 usd: 0 Apr 1 11:07:57 informika-xen-3 kernel: [1093417.346506] active_anon:11736 inactive_anon:1457 isolated_anon:0 Apr 1 11:07:57 informika-xen-3 kernel: [1093417.346506] active_file:26 inactive_file:0 isolated_file:0 Apr 1 11:07:57 informika-xen-3 kernel: [1093417.346506] unevictable:20 dirty:6 writeback:32 unstable:0 Apr 1 11:07:57 informika-xen-3 kernel: [1093417.346506] free:29431 slab_reclaimable:3545 slab_unreclaimable:7726 Apr 1 11:07:57 informika-xen-3 kernel: [1093417.346506] mapped:153 shmem:255 pagetables:583 bounce:0 
Apr  1 11:07:57 informika-xen-3 kernel: [1093417.346506]  free_cma:0
Apr 1 11:07:57 informika-xen-3 kernel: [1093417.346509] Node 0 DMA free:15880kB min:12kB low:12kB high:16kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:15980kB managed:15896kB mlocked:0kB dirty:0kB writeback:0kB mapped:0kB shmem:0kB slab_reclaimable:0kB slab_unreclaimable:16kB kernel_stack:0kB pagetables:0kB unstable:0kB bounce:0kB free_cma:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? yes Apr 1 11:07:57 informika-xen-3 kernel: [1093417.346514] lowmem_reserve[]: 0 3031 23590 23590 Apr 1 11:07:57 informika-xen-3 kernel: [1093417.346517] Node 0 DMA32 free:84760kB min:2524kB low:3152kB high:3784kB active_anon:11888kB inactive_anon:3052kB active_file:4kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:3119808kB managed:3104116kB mlocked:0kB dirty:4kB writeback:20kB mapped:256kB shmem:0kB slab_reclaimable:1100kB slab_unreclaimable:2096kB kernel_stack:40kB pagetables:44kB unstable:0kB bounce:0kB free_cma:0kB writeback_tmp:0kB pages_scanned:23661 all_unreclaimable? yes Apr 1 11:07:57 informika-xen-3 kernel: [1093417.346522] lowmem_reserve[]: 0 0 20559 20559 Apr 1 11:07:57 informika-xen-3 kernel: [1093417.346525] Node 0 Normal free:17084kB min:17124kB low:21404kB high:25684kB active_anon:35056kB inactive_anon:2776kB active_file:100kB inactive_file:0kB unevictable:80kB isolated(anon):0kB isolated(file):0kB present:22020096kB managed:21052500kB mlocked:80kB dirty:20kB writeback:108kB mapped:356kB shmem:1020kB slab_reclaimable:13080kB slab_unreclaimable:28792kB kernel_stack:2160kB pagetables:2288kB unstable:0kB bounce:0kB free_cma:0kB writeback_tmp:0kB pages_scanned:57027 all_unreclaimable? yes Apr 1 11:07:57 informika-xen-3 kernel: [1093417.346530] lowmem_reserve[]: 0 0 0 0 Apr 1 11:07:57 informika-xen-3 kernel: [1093417.346533] Node 0 DMA: 0*4kB 1*8kB (U) 0*16kB 0*32kB 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (R) 3*4096kB (M) = 15880kB Apr 1 11:07:57 informika-xen-3 kernel: [1093417.346544] Node 0 DMA32: 103*4kB (UEM) 83*8kB (UEM) 64*16kB (UEM) 80*32kB (EM) 64*64kB (M) 48*128kB (M) 30*256kB (M) 20*512kB (M) 15*1024kB (M) 16*2048kB (UM) 1*4096kB (R) = 85044kB Apr 1 11:07:57 informika-xen-3 kernel: [1093417.346557] Node 0 Normal: 3459*4kB (UM) 29*8kB (UM) 8*16kB (UM) 1*32kB (R) 1*64kB (R) 1*128kB (R) 1*256kB (R) 1*512kB (R) 1*1024kB (R) 1*2048kB (R) 0*4096kB = 18260kB Apr 1 11:07:57 informika-xen-3 kernel: [1093417.346570] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB Apr 1 11:07:57 informika-xen-3 kernel: [1093417.346571] 1832 total pagecache pages Apr 1 11:07:57 informika-xen-3 kernel: [1093417.346572] 1514 pages in swap cache Apr 1 11:07:57 informika-xen-3 kernel: [1093417.346574] Swap cache stats: add 7822, delete 6308, find 220/245 Apr 1 11:07:57 informika-xen-3 kernel: [1093417.346575] Free swap = 947036kB Apr 1 11:07:57 informika-xen-3 kernel: [1093417.346576] Total swap = 976892kB 
Apr  1 11:07:57 informika-xen-3 kernel: [1093417.398205] 6291455 pages RAM
Apr 1 11:07:57 informika-xen-3 kernel: [1093417.398209] 248055 pages reserved 
Apr  1 11:07:57 informika-xen-3 kernel: [1093417.398210] 262437 pages shared
Apr 1 11:07:57 informika-xen-3 kernel: [1093417.398211] 6012368 pages non-shared Apr 1 11:07:57 informika-xen-3 kernel: [1093417.398212] [ pid ] uid tgid total_vm rss nr_ptes swapents oom_score_adj name Apr 1 11:07:57 informika-xen-3 kernel: [1093417.398229] [ 1774] 0 1774 8990 37 20 84 -1000 udevd Apr 1 11:07:57 informika-xen-3 kernel: [1093417.398233] [ 2697] 0 2697 6270 13 16 46 0 syslog-ng Apr 1 11:07:57 informika-xen-3 kernel: [1093417.398236] [ 2698] 0 2698 86549 132 36 299 0 syslog-ng Apr 1 11:07:57 informika-xen-3 kernel: [1093417.398239] [ 5870] 0 5870 2735 2 11 129 0 xenstored Apr 1 11:07:57 informika-xen-3 kernel: [1093417.398241] [ 5954] 0 5954 5489 0 16 48 0 fcron Apr 1 11:07:57 informika-xen-3 kernel: [1093417.398244] [ 5998] 0 5998 8010 13 20 106 -1000 sshd Apr 1 11:07:57 informika-xen-3 kernel: [1093417.398246] [ 6019] 0 6019 22721 2 19 58 0 xenconsoled Apr 1 11:07:57 informika-xen-3 kernel: [1093417.398248] [ 6194] 101 6194 2956 19 11 22 0 zabbix_agentd Apr 1 11:07:57 informika-xen-3 kernel: [1093417.398252] [ 6246] 0 6246 3864 1 13 39 0 agetty Apr 1 11:07:57 informika-xen-3 kernel: [1093417.398254] [ 6247] 0 6247 3864 1 13 39 0 agetty Apr 1 11:07:57 informika-xen-3 kernel: [1093417.398256] [ 6248] 0 6248 3864 1 13 39 0 agetty Apr 1 11:07:57 informika-xen-3 kernel: [1093417.398259] [ 6249] 0 6249 3864 1 13 39 0 agetty Apr 1 11:07:57 informika-xen-3 kernel: [1093417.398261] [ 6251] 0 6251 3864 1 13 40 0 agetty Apr 1 11:07:57 informika-xen-3 kernel: [1093417.398264] [13742] 0 13742 25534 0 25 127 0 xl Apr 1 11:07:57 informika-xen-3 kernel: [1093417.398267] [13945] 0 13945 32183 2331 36 4443 0 xl Apr 1 11:07:57 informika-xen-3 kernel: [1093417.398270] [ 7899] 0 7899 59868 15 53 2666 0 qemu-system-i38 Apr 1 11:07:57 informika-xen-3 kernel: [1093417.398273] [ 7989] 0 7989 25534 0 23 128 0 xl Apr 1 11:07:57 informika-xen-3 kernel: [1093417.398277] [10154] 0 10154 30647 5200 34 33 0 xl Apr 1 11:07:57 informika-xen-3 kernel: [1093417.398279] [22644] 0 22644 73518 1866 63 0 0 qemu-system-i38 Apr 1 11:07:57 informika-xen-3 kernel: [1093417.398282] [22807] 0 22807 25538 127 23 0 0 xl Apr 1 11:07:57 informika-xen-3 kernel: [1093417.398284] [10075] 0 10075 18016 190 40 0 0 sshd Apr 1 11:07:57 informika-xen-3 kernel: [1093417.398287] [10079] 0 10079 5811 138 16 0 0 bash Apr 1 11:07:57 informika-xen-3 kernel: [1093417.398290] [10822] 0 10822 3864 40 13 0 0 agetty Apr 1 11:07:57 informika-xen-3 kernel: [1093417.398292] [12178] 0 12178 9142 74 24 0 0 xl Apr 1 11:07:57 informika-xen-3 kernel: [1093417.398295] Out of memory: Kill process 6194 (zabbix_agentd) score 0 or sacrifice child Apr 1 11:07:57 informika-xen-3 kernel: [1093417.398297] Killed process 6194 (zabbix_agentd) total-vm:11824kB, anon-rss:76kB, file-rss:0kB Apr 1 11:10:48 informika-xen-3 syslog-ng[2689]: syslog-ng starting up; version='3.4.2' 
Apr  1 11:10:48  kernel: [    0.000000] Initializing cgroup subsys cpuset


--
        Georgy V. Repin

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