This bug is missing log files that will aid in diagnosing the problem. While running an Ubuntu kernel (not a mainline or third-party kernel) please enter the following command in a terminal window:
apport-collect 1831490 and then change the status of the bug to 'Confirmed'. If, due to the nature of the issue you have encountered, you are unable to run this command, please add a comment stating that fact and change the bug status to 'Confirmed'. This change has been made by an automated script, maintained by the Ubuntu Kernel Team. ** Changed in: linux (Ubuntu) Status: New => Incomplete ** Tags added: xenial -- 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/1831490 Title: kernel is out of memory and killed during a kernel sys_write operation Status in apparmor package in Ubuntu: New Status in linux package in Ubuntu: Incomplete Bug description: This error is being reproduced on i386 arch when using the pc-kernel snap from beta or candidate. > sudo snap install test-snapd-tools > dmesg [15131.806107] audit: type=1400 audit(1559585825.240:111193): apparmor="STATUS" operation="profile_replace" profile="unconfined" name="snap-update-ns.test-snapd-tools" pid=18240 comm="apparmor_parser" [15131.871610] vmap allocation for size 73728 failed: use vmalloc=<size> to increase size. [15131.871614] vmalloc: allocation failure: 68481 bytes [15131.871616] apparmor_parser: page allocation failure: order:0, mode:0x24000c2 [15131.871619] CPU: 0 PID: 18242 Comm: apparmor_parser Not tainted 4.4.0-150-generic #176-Ubuntu [15131.871620] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.10.2-1ubuntu1 04/01/2014 [15131.871622] c1b15967 5ed07e43 00000286 cfee9e00 c13c12ef c1a1ce6c 00000001 cfee9e30 [15131.871625] c11821b6 c1a1b220 f40ba700 00000000 024000c2 cfee9e44 c1a1ce6c cfee9e18 [15131.871629] 5ed07e43 00010b81 00000000 cfee9e60 c11ba86f 024000c2 00000000 c1a1ce6c [15131.871632] Call Trace: [15131.871637] [<c13c12ef>] dump_stack+0x58/0x79 [15131.871640] [<c11821b6>] warn_alloc_failed+0xd6/0x110 [15131.871643] [<c11ba86f>] __vmalloc_node_range+0x1ef/0x210 [15131.871645] [<c11ba8f6>] __vmalloc_node+0x66/0x70 [15131.871648] [<c134f978>] ? __aa_kvmalloc+0x28/0x60 [15131.871650] [<c11ba978>] vmalloc+0x38/0x40 [15131.871652] [<c134f978>] ? __aa_kvmalloc+0x28/0x60 [15131.871654] [<c134f978>] __aa_kvmalloc+0x28/0x60 [15131.871656] [<c134a7f4>] aa_simple_write_to_buffer+0x34/0x90 [15131.871658] [<c134bf93>] policy_update+0x73/0x230 [15131.871660] [<c1314dce>] ? security_file_permission+0x3e/0xd0 [15131.871662] [<c134c1e8>] profile_replace+0x98/0xe0 [15131.871664] [<c134c150>] ? policy_update+0x230/0x230 [15131.871666] [<c11ec782>] __vfs_write+0x22/0x50 [15131.871668] [<c11eceac>] vfs_write+0x8c/0x1b0 [15131.871669] [<c11ed8a1>] SyS_write+0x51/0xb0 [15131.871672] [<c10038df>] do_fast_syscall_32+0x9f/0x190 [15131.871675] [<c17e80b0>] sysenter_past_esp+0x3d/0x61 [15131.871676] Mem-Info: [15131.871679] active_anon:16802 inactive_anon:2068 isolated_anon:0 active_file:84472 inactive_file:25195 isolated_file:0 unevictable:0 dirty:34 writeback:0 unstable:0 slab_reclaimable:7222 slab_unreclaimable:14030 mapped:8431 shmem:5785 pagetables:204 bounce:0 free:289381 free_pcp:659 free_cma:0 [15131.871685] DMA free:8848kB min:788kB low:984kB high:1180kB active_anon:636kB inactive_anon:0kB active_file:2720kB inactive_file:800kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:15992kB managed:15916kB mlocked:0kB dirty:0kB writeback:0kB mapped:472kB shmem:308kB slab_reclaimable:484kB slab_unreclaimable:424kB kernel_stack:8kB pagetables:4kB unstable:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? no [15131.871686] lowmem_reserve[]: 0 834 1942 1942 [15131.871692] Normal free:364440kB min:42432kB low:53040kB high:63648kB active_anon:30164kB inactive_anon:2776kB active_file:158404kB inactive_file:32020kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:897016kB managed:862444kB mlocked:0kB dirty:116kB writeback:0kB mapped:11176kB shmem:6332kB slab_reclaimable:28404kB slab_unreclaimable:55696kB kernel_stack:1040kB pagetables:348kB unstable:0kB bounce:0kB free_pcp:1336kB local_pcp:676kB free_cma:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? no [15131.871693] lowmem_reserve[]: 0 0 8863 8863 [15131.871698] HighMem free:784236kB min:512kB low:14600kB high:28688kB active_anon:36408kB inactive_anon:5496kB active_file:176764kB inactive_file:67960kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:1134472kB managed:1134472kB mlocked:0kB dirty:20kB writeback:0kB mapped:22076kB shmem:16500kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:464kB unstable:0kB bounce:0kB free_pcp:1300kB local_pcp:680kB free_cma:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? no [15131.871699] lowmem_reserve[]: 0 0 0 0 [15131.871701] DMA: 12*4kB (UME) 10*8kB (UME) 7*16kB (ME) 5*32kB (UM) 2*64kB (U) 3*128kB (UM) 3*256kB (UM) 4*512kB (UME) 3*1024kB (ME) 1*2048kB (M) 0*4096kB = 8848kB [15131.871711] Normal: 87*4kB (UME) 106*8kB (UME) 168*16kB (UME) 195*32kB (UME) 135*64kB (UME) 161*128kB (ME) 120*256kB (ME) 61*512kB (UME) 25*1024kB (ME) 6*2048kB (M) 55*4096kB (M) = 364492kB [15131.871720] HighMem: 131*4kB (UM) 835*8kB (UM) 302*16kB (UM) 119*32kB (UM) 95*64kB (UM) 50*128kB (UM) 67*256kB (UM) 55*512kB (UM) 52*1024kB (M) 23*2048kB (UM) 149*4096kB (M) = 784292kB [15131.871729] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [15131.871730] 115450 total pagecache pages [15131.871731] 0 pages in swap cache [15131.871733] Swap cache stats: add 0, delete 0, find 0/0 [15131.871734] Free swap = 0kB [15131.871734] Total swap = 0kB [15131.871735] 511870 pages RAM [15131.871736] 283618 pages HighMem/MovableOnly [15131.871737] 8662 pages reserved [15131.871738] 0 pages cma reserved This the memory after the error: MemTotal: 2012832 kB MemFree: 1193308 kB MemAvailable: 1439592 kB Buffers: 86108 kB Cached: 374348 kB SwapCached: 0 kB Active: 373408 kB Inactive: 107024 kB Active(anon): 36500 kB Inactive(anon): 6608 kB Active(file): 336908 kB Inactive(file): 100416 kB Unevictable: 0 kB Mlocked: 0 kB HighTotal: 1134472 kB HighFree: 794836 kB LowTotal: 878360 kB LowFree: 398472 kB SwapTotal: 0 kB SwapFree: 0 kB Dirty: 36 kB Writeback: 0 kB AnonPages: 19992 kB Mapped: 25636 kB Shmem: 23140 kB Slab: 84460 kB SReclaimable: 28892 kB SUnreclaim: 55568 kB KernelStack: 936 kB PageTables: 668 kB NFS_Unstable: 0 kB Bounce: 0 kB WritebackTmp: 0 kB CommitLimit: 1006416 kB Committed_AS: 249728 kB VmallocTotal: 122880 kB VmallocUsed: 0 kB VmallocChunk: 0 kB AnonHugePages: 0 kB CmaTotal: 0 kB CmaFree: 0 kB HugePages_Total: 0 HugePages_Free: 0 HugePages_Rsvd: 0 HugePages_Surp: 0 Hugepagesize: 2048 kB DirectMap4k: 258040 kB DirectMap2M: 655360 kB To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/apparmor/+bug/1831490/+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