A bit more information about my hardware setup. This is a FUJITSU PRIMERGY RX2510 M22 x Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz (8 cores in each processor) RAM 128GB Swap 11GB
This is a host server for approx 30 VMs (mix of Windows and Linux servers and workstations) QEMU is using 64GB of the total of 128GB We have plenty of spare RAM so I cannot see my initial Out of Memory issue as actually being out of memory. I have also included the syslog showing the output for the OOM incident below in case this helps: Jul 13 21:21:11 server kernel: [7601521.772315] qemu-system-x86 invoked oom-killer: gfp_mask=0x26000c0, order=2, oom_score_adj=0 Jul 13 21:21:11 server kernel: [7601521.772322] qemu-system-x86 cpuset=emulator mems_allowed=0-1 Jul 13 21:21:11 server kernel: [7601521.772332] CPU: 15 PID: 30526 Comm: qemu-system-x86 Tainted: G W 4.4.0-62-generic #83-Ubuntu Jul 13 21:21:11 server kernel: [7601521.772335] Hardware name: FUJITSU PRIMERGY RX2510 M2/D3279-H1, BIOS V5.0.0.11 R1.7.0 for D3279-H1x 04/21/2016 Jul 13 21:21:11 server kernel: [7601521.772338] 0000000000000286 00000000093bb360 ffff8801519abaf0 ffffffff813f7c63 Jul 13 21:21:11 server kernel: [7601521.772342] ffff8801519abcc8 ffff88102a8a1c00 ffff8801519abb60 ffffffff8120ad4e Jul 13 21:21:11 server kernel: [7601521.772346] 0000000000000015 0000000000000000 ffff8820357d2f00 ffff880bff851c00 Jul 13 21:21:11 server kernel: [7601521.772350] Call Trace: Jul 13 21:21:11 server kernel: [7601521.772361] [<ffffffff813f7c63>] dump_stack+0x63/0x90 Jul 13 21:21:11 server kernel: [7601521.772369] [<ffffffff8120ad4e>] dump_header+0x5a/0x1c5 Jul 13 21:21:11 server kernel: [7601521.772376] [<ffffffff81390c14>] ? apparmor_capable+0xc4/0x1b0 Jul 13 21:21:11 server kernel: [7601521.772383] [<ffffffff811926c2>] oom_kill_process+0x202/0x3c0 Jul 13 21:21:11 server kernel: [7601521.772386] [<ffffffff81192ae9>] out_of_memory+0x219/0x460 Jul 13 21:21:11 server kernel: [7601521.772392] [<ffffffff81198a5d>] __alloc_pages_slowpath.constprop.88+0x8fd/0xa70 Jul 13 21:21:11 server kernel: [7601521.772396] [<ffffffff81198e56>] __alloc_pages_nodemask+0x286/0x2a0 Jul 13 21:21:11 server kernel: [7601521.772401] [<ffffffff81198f0b>] alloc_kmem_pages_node+0x4b/0xc0 Jul 13 21:21:11 server kernel: [7601521.772408] [<ffffffff8107ea5e>] copy_process+0x1be/0x1b70 Jul 13 21:21:11 server kernel: [7601521.772415] [<ffffffff811c1543>] ? handle_mm_fault+0xbc3/0x1820 Jul 13 21:21:11 server kernel: [7601521.772423] [<ffffffff811036f7>] ? do_futex+0x107/0x540 Jul 13 21:21:11 server kernel: [7601521.772426] [<ffffffff810805a0>] _do_fork+0x80/0x360 Jul 13 21:21:11 server kernel: [7601521.772433] [<ffffffff810910ef>] ? sigprocmask+0x6f/0xa0 Jul 13 21:21:11 server kernel: [7601521.772436] [<ffffffff81080929>] SyS_clone+0x19/0x20 Jul 13 21:21:11 server kernel: [7601521.772444] [<ffffffff818385f2>] entry_SYSCALL_64_fastpath+0x16/0x71 Jul 13 21:21:11 server kernel: [7601521.772447] Mem-Info: Jul 13 21:21:11 server kernel: [7601521.772457] active_anon:8613912 inactive_anon:2561790 isolated_anon:0 Jul 13 21:21:11 server kernel: [7601521.772457] active_file:253319 inactive_file:20093382 isolated_file:0 Jul 13 21:21:11 server kernel: [7601521.772457] unevictable:31167 dirty:704072 writeback:29263 unstable:0 Jul 13 21:21:11 server kernel: [7601521.772457] slab_reclaimable:707348 slab_unreclaimable:261557 Jul 13 21:21:11 server kernel: [7601521.772457] mapped:18045 shmem:9329 pagetables:41405 bounce:0 Jul 13 21:21:11 server kernel: [7601521.772457] free:148686 free_pcp:0 free_cma:0 Jul 13 21:21:11 server kernel: [7601521.772463] Node 0 DMA free:13316kB min:8kB low:8kB high:12kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:15992kB managed:15900kB 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 free_pcp:0kB local_pcp:0kB free_cma:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? yes Jul 13 21:21:11 server kernel: [7601521.772471] lowmem_reserve[]: 0 1757 64218 64218 64218 Jul 13 21:21:11 server kernel: [7601521.772477] Node 0 DMA32 free:252604kB min:1228kB low:1532kB high:1840kB active_anon:354708kB inactive_anon:364440kB active_file:124kB inactive_file:124kB unevictable:1616kB isolated(anon):0kB isolated(file):0kB present:1920252kB managed:1839632kB mlocked:1616kB dirty:4kB writeback:0kB mapped:312kB shmem:1148kB slab_reclaimable:672460kB slab_unreclaimable:85320kB kernel_stack:6864kB pagetables:632kB unstable:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? no Jul 13 21:21:11 server kernel: [7601521.772485] lowmem_reserve[]: 0 0 62461 62461 62461 Jul 13 21:21:11 server kernel: [7601521.772490] Node 0 Normal free:133352kB min:43716kB low:54644kB high:65572kB active_anon:27141800kB inactive_anon:4481708kB active_file:626280kB inactive_file:29382908kB unevictable:38808kB isolated(anon):0kB isolated(file):0kB present:65011712kB managed:63960676kB mlocked:38808kB dirty:46940kB writeback:0kB mapped:56152kB shmem:28156kB slab_reclaimable:1159628kB slab_unreclaimable:457356kB kernel_stack:11424kB pagetables:64980kB unstable:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? no Jul 13 21:21:11 server kernel: [7601521.772498] lowmem_reserve[]: 0 0 0 0 0 Jul 13 21:21:11 server kernel: [7601521.772502] Node 1 Normal free:195472kB min:45152kB low:56440kB high:67728kB active_anon:6959140kB inactive_anon:5401012kB active_file:386872kB inactive_file:50990496kB unevictable:84244kB isolated(anon):0kB isolated(file):0kB present:67108864kB managed:66057592kB mlocked:84244kB dirty:2769344kB writeback:117052kB mapped:15716kB shmem:8012kB slab_reclaimable:997304kB slab_unreclaimable:503552kB kernel_stack:9536kB pagetables:100008kB unstable:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? no Jul 13 21:21:11 server kernel: [7601521.772509] lowmem_reserve[]: 0 0 0 0 0 Jul 13 21:21:11 server kernel: [7601521.772513] Node 0 DMA: 1*4kB (U) 0*8kB 2*16kB (U) 3*32kB (U) 2*64kB (U) 0*128kB 1*256kB (U) 1*512kB (U) 0*1024kB 2*2048kB (UM) 2*4096kB (M) = 13316kB Jul 13 21:21:11 server kernel: [7601521.772529] Node 0 DMA32: 2060*4kB (UME) 3571*8kB (UME) 2908*16kB (UME) 1950*32kB (UMEH) 978*64kB (UMH) 272*128kB (UMH) 27*256kB (H) 5*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 252616kB Jul 13 21:21:11 server kernel: [7601521.772544] Node 0 Normal: 32272*4kB (UMEH) 941*8kB (UMEH) 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 136616kB Jul 13 21:21:11 server kernel: [7601521.772555] Node 1 Normal: 44018*4kB (UMEH) 2622*8kB (UMEH) 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 197048kB Jul 13 21:21:11 server kernel: [7601521.772567] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB Jul 13 21:21:11 server kernel: [7601521.772569] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB Jul 13 21:21:11 server kernel: [7601521.772571] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB Jul 13 21:21:11 server kernel: [7601521.772573] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB Jul 13 21:21:11 server kernel: [7601521.772575] 20382113 total pagecache pages Jul 13 21:21:11 server kernel: [7601521.772577] 23445 pages in swap cache Jul 13 21:21:11 server kernel: [7601521.772580] Swap cache stats: add 541987737, delete 541964292, find 438258469/644757883 Jul 13 21:21:11 server kernel: [7601521.772582] Free swap = 0kB Jul 13 21:21:11 server kernel: [7601521.772583] Total swap = 11718652kB Jul 13 21:21:11 server kernel: [7601521.772585] 33514205 pages RAM Jul 13 21:21:11 server kernel: [7601521.772587] 0 pages HighMem/MovableOnly Jul 13 21:21:11 server kernel: [7601521.772588] 545755 pages reserved Jul 13 21:21:11 server kernel: [7601521.772589] 0 pages cma reserved Jul 13 21:21:11 server kernel: [7601521.772591] 0 pages hwpoisoned Jul 13 21:21:11 server kernel: [7601521.772592] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name Jul 13 21:21:11 server kernel: [7601521.772606] [ 746] 0 746 24254 8892 52 3 902 0 systemd-journal Jul 13 21:21:11 server kernel: [7601521.772610] [ 799] 0 799 25742 463 19 3 27 0 lvmetad Jul 13 21:21:11 server kernel: [7601521.772614] [ 814] 0 814 11201 765 21 3 187 -1000 systemd-udevd Jul 13 21:21:11 server kernel: [7601521.772618] [ 2434] 100 2434 25081 543 19 3 30 0 systemd-timesyn Jul 13 21:21:11 server kernel: [7601521.772621] [ 2650] 0 2650 77162 424 20 4 563 0 lxcfs Jul 13 21:21:11 server kernel: [7601521.772624] [ 2652] 107 2652 10801 813 27 3 104 -900 dbus-daemon Jul 13 21:21:11 server kernel: [7601521.772627] [ 2663] 0 2663 7252 553 19 3 42 0 cron Jul 13 21:21:11 server kernel: [7601521.772630] [ 2665] 104 2665 64100 620 28 4 341 0 rsyslogd Jul 13 21:21:11 server kernel: [7601521.772633] [ 2667] 0 2667 6511 423 18 3 45 0 atd Jul 13 21:21:11 server kernel: [7601521.772636] [ 2676] 0 2676 7470 237 19 3 0 0 cgmanager Jul 13 21:21:11 server kernel: [7601521.772639] [ 2700] 0 2700 68971 1055 37 3 117 0 accounts-daemon Jul 13 21:21:11 server kernel: [7601521.772642] [ 2718] 0 2718 1100 294 7 3 9 0 acpid Jul 13 21:21:11 server kernel: [7601521.772645] [ 2791] 0 2791 8848 681 20 3 1736 0 systemd-logind Jul 13 21:21:11 server kernel: [7601521.772648] [ 3124] 0 3124 69272 736 38 3 107 0 polkitd Jul 13 21:21:11 server kernel: [7601521.772651] [ 3146] 0 3146 16380 755 36 3 152 -1000 sshd Jul 13 21:21:11 server kernel: [7601521.772655] [ 3159] 0 3159 1306 425 8 3 12 0 iscsid Jul 13 21:21:11 server kernel: [7601521.772658] [ 3160] 0 3160 5129 2574 15 3 0 -17 iscsid Jul 13 21:21:11 server kernel: [7601521.772677] [16365] 0 16365 4966 469 14 3 65 0 irqbalance Jul 13 21:21:11 server kernel: [7601521.772680] [16690] 112 16690 12496 367 27 3 98 0 dnsmasq Jul 13 21:21:11 server kernel: [7601521.772683] [16901] 112 16901 12496 272 28 3 98 0 dnsmasq Jul 13 21:21:11 server kernel: [7601521.772686] [16902] 0 16902 12489 1 27 3 95 0 dnsmasq Jul 13 21:21:11 server kernel: [7601521.772689] [17084] 112 17084 12496 372 28 3 97 0 dnsmasq Jul 13 21:21:11 server kernel: [7601521.772692] [17263] 112 17263 12496 386 27 3 98 0 dnsmasq Jul 13 21:21:11 server kernel: [7601521.772694] [17442] 112 17442 12496 356 27 3 98 0 dnsmasq Jul 13 21:21:11 server kernel: [7601521.772697] [17952] 1000 17952 12147 1496 28 3 284 0 systemd Jul 13 21:21:11 server kernel: [7601521.772700] [17956] 1000 17956 15878 0 34 3 1053 0 (sd-pam) Jul 13 21:21:11 server kernel: [7601521.772703] [18107] 1000 18107 22162 2963 50 4 12528 0 tmux Jul 13 21:21:11 server kernel: [7601521.772706] [18113] 1000 18113 5658 459 16 3 479 0 bash Jul 13 21:21:11 server kernel: [7601521.772709] [18280] 0 18280 13237 494 32 3 149 0 sudo Jul 13 21:21:11 server kernel: [7601521.772712] [18382] 0 18382 13071 466 30 3 107 0 su Jul 13 21:21:11 server kernel: [7601521.772715] [18383] 0 18383 6002 893 17 3 605 0 bash Jul 13 21:21:11 server kernel: [7601521.772717] [18798] 0 18798 48453 500 49 4 184 -900 virtlogd Jul 13 21:21:11 server kernel: [7601521.772721] [21398] 0 21398 26726 557 51 3 464 0 sendmail-mta Jul 13 21:21:11 server kernel: [7601521.772724] [ 2039] 1000 2039 5658 351 17 3 479 0 bash Jul 13 21:21:11 server kernel: [7601521.772727] [23493] 111 23493 553726 54242 567 6 81317 0 qemu-system-x86 Jul 13 21:21:11 server kernel: [7601521.772732] [26162] 0 26162 351716 768 81 6 3086 0 snapd Jul 13 21:21:11 server kernel: [7601521.772735] [19044] 0 19044 29924 242 45 3 0 -900 virtlockd Jul 13 21:21:11 server kernel: [7601521.772738] [19115] 0 19115 715569 3994 210 6 8497 0 libvirtd Jul 13 21:21:11 server kernel: [7601521.772741] [21289] 0 21289 13237 271 30 3 150 0 sudo Jul 13 21:21:11 server kernel: [7601521.772743] [28861] 0 28861 13071 227 31 3 107 0 su Jul 13 21:21:11 server kernel: [7601521.772746] [28871] 0 28871 5981 873 16 3 433 0 bash Jul 13 21:21:11 server kernel: [7601521.772749] [ 9715] 0 9715 3410 322 11 3 63 0 mdadm Jul 13 21:21:11 server kernel: [7601521.772752] [31589] 115 31589 8875 237 22 3 149 0 rpc.statd Jul 13 21:21:11 server kernel: [7601521.772755] [31592] 0 31592 11940 458 28 3 104 0 rpcbind Jul 13 21:21:11 server kernel: [7601521.772757] [31811] 1000 31811 5659 231 17 3 480 0 bash Jul 13 21:21:11 server kernel: [7601521.772760] [32333] 0 32333 13237 275 31 3 150 0 sudo Jul 13 21:21:11 server kernel: [7601521.772763] [32548] 0 32548 13071 236 31 3 107 0 su Jul 13 21:21:11 server kernel: [7601521.772766] [32549] 0 32549 6002 602 18 3 485 0 bash Jul 13 21:21:11 server kernel: [7601521.772768] [15204] 1000 15204 5659 250 15 3 480 0 bash Jul 13 21:21:11 server kernel: [7601521.772771] [15502] 0 15502 13237 251 32 3 150 0 sudo Jul 13 21:21:11 server kernel: [7601521.772774] [15664] 0 15664 13071 239 31 3 106 0 su Jul 13 21:21:11 server kernel: [7601521.772776] [15665] 0 15665 6000 489 17 3 612 0 bash Jul 13 21:21:11 server kernel: [7601521.772779] [26831] 1000 26831 5659 237 16 3 480 0 bash Jul 13 21:21:11 server kernel: [7601521.772782] [26941] 0 26941 13237 271 30 3 149 0 sudo Jul 13 21:21:11 server kernel: [7601521.772785] [27717] 0 27717 13071 254 30 3 106 0 su Jul 13 21:21:11 server kernel: [7601521.772788] [27718] 0 27718 5971 265 16 3 791 0 bash Jul 13 21:21:11 server kernel: [7601521.772791] [16855] 0 16855 6066 265 18 4 527 0 nano Jul 13 21:21:11 server kernel: [7601521.772794] [17222] 1000 17222 5659 216 16 3 481 0 bash Jul 13 21:21:11 server kernel: [7601521.772797] [17382] 0 17382 13237 254 32 3 150 0 sudo Jul 13 21:21:11 server kernel: [7601521.772799] [17507] 0 17507 13071 226 30 3 106 0 su Jul 13 21:21:11 server kernel: [7601521.772802] [17508] 0 17508 5949 512 17 3 615 0 bash Jul 13 21:21:11 server kernel: [7601521.772805] [ 2660] 0 2660 6062 352 17 3 499 0 nano Jul 13 21:21:11 server kernel: [7601521.772808] [29154] 1000 29154 5660 405 16 3 480 0 bash Jul 13 21:21:11 server kernel: [7601521.772810] [29319] 0 29319 13238 395 32 3 149 0 sudo Jul 13 21:21:11 server kernel: [7601521.772813] [29558] 0 29558 13072 344 31 3 106 0 su Jul 13 21:21:11 server kernel: [7601521.772816] [29559] 0 29559 5700 475 17 3 521 0 bash Jul 13 21:21:11 server kernel: [7601521.772820] [ 1555] 111 1555 2351888 912738 2401 12 145630 0 qemu-system-x86 Jul 13 21:21:11 server kernel: [7601521.772823] [ 5673] 111 5673 1131516 242334 1262 8 285390 0 qemu-system-x86 Jul 13 21:21:11 server kernel: [7601521.772826] [ 6107] 111 6107 1789401 85474 832 10 180301 0 qemu-system-x86 Jul 13 21:21:11 server kernel: [7601521.772829] [ 6597] 111 6597 1553812 677006 1931 9 125801 0 qemu-system-x86 Jul 13 21:21:11 server kernel: [7601521.772832] [ 8814] 111 8814 2357093 859643 2342 12 169514 0 qemu-system-x86 Jul 13 21:21:11 server kernel: [7601521.772835] [ 8944] 111 8944 1794141 469905 1298 11 55631 0 qemu-system-x86 Jul 13 21:21:11 server kernel: [7601521.772838] [ 9209] 111 9209 1409360 477185 1411 9 63893 0 qemu-system-x86 Jul 13 21:21:11 server kernel: [7601521.772842] [ 9587] 0 9587 6228 427 19 3 687 0 nano Jul 13 21:21:11 server kernel: [7601521.772845] [23692] 0 23692 84493 919 161 3 573 0 smbd Jul 13 21:21:11 server kernel: [7601521.772848] [23693] 0 23693 82472 266 152 3 578 0 smbd Jul 13 21:21:11 server kernel: [7601521.772850] [23696] 0 23696 84468 519 154 3 562 0 smbd Jul 13 21:21:11 server kernel: [7601521.772853] [23780] 0 23780 61093 841 116 3 390 0 nmbd Jul 13 21:21:11 server kernel: [7601521.772857] [ 1018] 0 1018 6292 510 18 3 729 0 nano Jul 13 21:21:11 server kernel: [7601521.772859] [ 9919] 0 9919 6293 510 19 3 729 0 nano Jul 13 21:21:11 server kernel: [7601521.772863] [18907] 111 18907 3296045 2506999 5635 17 138823 0 qemu-system-x86 Jul 13 21:21:11 server kernel: [7601521.772866] [22378] 0 22378 5964 872 16 3 68 0 nano Jul 13 21:21:11 server kernel: [7601521.772870] [ 9533] 0 9533 3986 370 12 3 12 0 agetty Jul 13 21:21:11 server kernel: [7601521.772873] [23711] 111 23711 1325629 157601 843 8 115133 0 qemu-system-x86 Jul 13 21:21:11 server kernel: [7601521.772876] [30526] 111 30526 1500496 261973 846 9 11664 0 qemu-system-x86 Jul 13 21:21:11 server kernel: [7601521.772879] [22168] 111 22168 1794945 67719 918 10 236605 0 qemu-system-x86 Jul 13 21:21:11 server kernel: [7601521.772883] [ 1736] 111 1736 1246039 26906 445 8 49225 0 qemu-system-x86 Jul 13 21:21:11 server kernel: [7601521.772886] [ 8371] 111 8371 1421929 151860 1074 9 253413 0 qemu-system-x86 Jul 13 21:21:11 server kernel: [7601521.772889] [25486] 111 25486 1760135 281997 881 10 5366 0 qemu-system-x86 Jul 13 21:21:11 server kernel: [7601521.772892] [ 8320] 111 8320 1208369 63320 439 8 14264 0 qemu-system-x86 Jul 13 21:21:11 server kernel: [7601521.772895] [15981] 111 15981 1507982 38789 501 10 45822 0 qemu-system-x86 Jul 13 21:21:11 server kernel: [7601521.772899] [25823] 0 25823 984933 12071 106 6 0 -1000 multipathd Jul 13 21:21:11 server kernel: [7601521.772914] [28932] 111 28932 3778957 2714270 6748 18 460055 0 qemu-system-x86 Jul 13 21:21:11 server kernel: [7601521.772917] [ 2369] 0 2369 984614 7551 99 7 0 -1000 multipathd Jul 13 21:21:11 server kernel: [7601521.772920] [ 4340] 0 4340 984622 7617 99 7 0 -1000 multipathd Jul 13 21:21:11 server kernel: [7601521.772925] [13170] 0 13170 6798 684 16 3 0 0 screen Jul 13 21:21:11 server kernel: [7601521.772928] [13172] 0 13172 3133 756 11 3 0 0 clone_ext_vms.s Jul 13 21:21:11 server kernel: [7601521.772931] [15015] 111 15015 1702370 26705 517 10 75114 0 qemu-system-x86 Jul 13 21:21:11 server kernel: [7601521.772934] [17093] 0 17093 6798 699 17 3 0 0 screen Jul 13 21:21:11 server kernel: [7601521.772937] [17094] 0 17094 3133 755 11 3 0 0 clone_int_vms.s Jul 13 21:21:11 server kernel: [7601521.772940] [18731] 111 18731 1542275 31111 513 9 69146 0 qemu-system-x86 Jul 13 21:21:11 server kernel: [7601521.772943] [ 1348] 0 1348 56751 5931 93 3 0 0 python Jul 13 21:21:11 server kernel: [7601521.772946] [15380] 0 15380 56751 5968 101 3 0 0 python Jul 13 21:21:11 server kernel: [7601521.772950] [22424] 0 22424 1128 189 7 3 0 0 sh Jul 13 21:21:11 server kernel: [7601521.772953] [22425] 0 22425 1874 522 9 3 0 0 dd Jul 13 21:21:11 server kernel: [7601521.772955] [22637] 0 22637 1128 191 8 3 0 0 sh Jul 13 21:21:11 server kernel: [7601521.772958] [22638] 0 22638 1874 529 10 3 0 0 dd Jul 13 21:21:11 server kernel: [7601521.772961] [ 494] 111 494 1118467 795558 1774 7 5489 0 qemu-system-x86 Jul 13 21:21:11 server kernel: [7601521.772965] [ 9701] 111 9701 352659 143019 465 4 377 0 qemu-system-x86 Jul 13 21:21:11 server kernel: [7601521.772968] [15505] 111 15505 352163 143958 466 4 45 0 qemu-system-x86 Jul 13 21:21:11 server kernel: [7601521.772971] [22555] 111 22555 352677 143166 468 4 551 0 qemu-system-x86 Jul 13 21:21:11 server kernel: [7601521.772974] [30719] 111 30719 352163 136182 468 5 8139 0 qemu-system-x86 Jul 13 21:21:11 server kernel: [7601521.772978] [ 2810] 111 2810 352402 143455 469 5 366 0 qemu-system-x86 Jul 13 21:21:11 server kernel: [7601521.772981] [12145] 111 12145 483261 273350 728 5 1164 0 qemu-system-x86 Jul 13 21:21:11 server kernel: [7601521.772984] [19814] 111 19814 482971 266878 721 5 3868 0 qemu-system-x86 Jul 13 21:21:11 server kernel: [7601521.772987] [26246] 111 26246 352145 138118 467 5 6142 0 qemu-system-x86 Jul 13 21:21:11 server kernel: [7601521.772990] [30428] 111 30428 321183 111064 407 4 62 0 qemu-system-x86 Jul 13 21:21:11 server kernel: [7601521.772993] [ 4157] 111 4157 319631 110301 401 4 28 0 qemu-system-x86 Jul 13 21:21:11 server kernel: [7601521.772999] Out of memory: Kill process 28932 (qemu-system-x86) score 88 or sacrifice child Jul 13 21:21:11 server kernel: [7601521.773461] Killed process 28932 (qemu-system-x86) total-vm:15115828kB, anon-rss:10846296kB, file-rss:10784kB Jul 13 21:21:13 server kernel: [7601522.914294] virbr1: port 3(vnet4) entered disabled state Jul 13 21:21:13 server kernel: [7601522.918014] device vnet4 left promiscuous mode Jul 13 21:21:13 server kernel: [7601522.918021] virbr1: port 3(vnet4) entered disabled state Jul 13 21:21:13 server kernel: [7601522.977653] br_int: port 2(vnet3) entered disabled state Jul 13 21:21:13 server kernel: [7601522.980919] device vnet3 left promiscuous mode Jul 13 21:21:13 server kernel: [7601522.980922] br_int: port 2(vnet3) entered disabled state Jul 13 21:21:13 server libvirtd[19115]: internal error: End of file from monitor Jul 13 21:21:13 server virtlogd[18798]: End of file while reading data: Input/output error Jul 13 21:21:13 server kernel: [7601523.277770] audit: type=1400 audit(1499977273.477:7810): apparmor="STATUS" operation="profile_remove" profile="unconfined" name="libvirt-95871028-9a96-0fe0-0b2a-b1d1252ffa6a" pid=28069 comm="apparmor_parser" Jul 13 21:21:14 server systemd[1]: dev-disk-by\x2dlabel-System\x5cx20Reserved.device: Dev dev-disk-by\x2dlabel-System\x5cx20Reserved.device appeared twice with different sysfs paths /sys/devices/virtual/block/dm-4 and /sys/devices/virtual/block/dm-107 Jul 13 21:21:14 server systemd[17952]: dev-disk-by\x2dlabel-System\x5cx20Reserved.device: Dev dev-disk-by\x2dlabel-System\x5cx20Reserved.device appeared twice with different sysfs paths /sys/devices/virtual/block/dm-4 and /sys/devices/virtual/block/dm-107 Jul 13 21:23:39 server sm-mta[727]: v6DJ3dUt024808: Warning: program /usr/sbin/sensible-mda unsafe: No such file or directory Jul 13 21:23:39 server sm-mta[727]: v6DJ3dUt024808: SYSERR(root): Cannot exec /usr/sbin/sensible-mda: No such file or directory Jul 13 21:23:39 server sm-mta[726]: v6DJ3dUt024808: to=<root@server.domain.local>, delay=01:20:00, xdelay=00:00:00, mailer=local, pri=750000, dsn=4.0.0, stat=Operating system error -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1702323 Title: update-initramfs hangs Status in linux package in Ubuntu: Confirmed Bug description: I have a server running version 16.04.1 LTS and kernel 4.4.0-62-generic I ran apt-get upgrade and the upgrade process hangs on... update-initramfs: Generating /boot/initrd.img-4.4.0-83-generic In a separate shell I have tried update-initramfs -u -v and the process stops on "Calling hook cryptroot" In my /boot/ directory I now have a file initrd.img-4.4.0-83-generic.new which is 0Kb in size. I do not have any encrypted volumes. Please can you suggest how I can get round this error and complete the upgrade. Many thanks Max To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1702323/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp