lsusb && timdate +%c Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Wed 25 Jul 2018 04:59:25 AM EDT root@debian:/home/test# lsusb && date +%cxl info host : debian release : 4.17.0-rc5 version : #4 SMP Tue Jul 24 06:12:21 EDT 2018 machine : x86_64 nr_cpus : 8 max_cpu_id : 7 nr_nodes : 1 cores_per_socket : 4 threads_per_core : 2 cpu_mhz : 3792.227 hw_caps : bfebfbff:77faf3ff:2c100800:00000121:0000000f:009c6fbf:00000000:00000100 virt_caps : hvm hvm_directio total_memory : 65217 free_memory : 56242 sharing_freed_memory : 0 sharing_used_memory : 0 outstanding_claims : 0 free_cpus : 0 xen_major : 4 xen_minor : 12 xen_extra : -unstable xen_version : 4.12-unstable xen_caps : xen-3.0-x86_64 xen-3.0-x86_32p hvm-3.0-x86_32 hvm-3.0-x86_32p hvm-3.0-x86_64 xen_scheduler : credit xen_pagesize : 4096 platform_params : virt_start=0xffff800000000000 xen_changeset : Thu Jun 28 10:54:01 2018 +0300 git:61bdddb821 xen_commandline : placeholder dom0=pvh dom0_mem=8192M loglvl=all sync_console console_to_ring=true console=com1,vga com1=115200,8n1 iommu=debug,verbose,workaround_bios_bug cc_compiler : gcc (Debian 6.3.0-18+deb9u1) 6.3.0 20170516 cc_compile_by : root cc_compile_domain : cc_compile_date : Tue Jul 24 04:03:02 EDT 2018 build_id : e6d3e802a6420aae9e2e25dd5941c5d24adad026 xend_config_format : 4 Wed 25 Jul 2018 04:59:38 AM EDT root@debian:/home/test# xl info && date +%cfree -m total used free shared buff/cache available Mem: 7977 179 7549 8 248 7560 Swap: 65120 0 65120 Wed 25 Jul 2018 04:59:44 AM EDT root@debian:/home/test# free -m && date +%cxl list -l [ { "domid": 0, "config": { "c_info": { "type": "pv", "name": "Domain-0" }, "b_info": { "max_memkb": 17179869180, "target_memkb": 8387743, "sched_params": { "sched": "credit", "weight": 256, "cap": 0 }, "type.pv": { }, "arch_arm": { } } } } ] Wed 25 Jul 2018 04:59:52 AM EDT root@debian:/home/test# xl list -l && date +%cfree -m total used free shared buff/cache available Mem: 7129 180 6701 8 248 6711 Swap: 65120 0 65120 Wed 25 Jul 2018 04:59:53 AM EDT root@debian:/home/test# free -m && date +%c total used free shared buff/cache available Mem: 6441 180 6012 8 248 6023 Swap: 65120 0 65120 Wed 25 Jul 2018 04:59:54 AM EDT root@debian:/home/test# free -m && date +%c total used free shared buff/cache available Mem: 5789 180 5360 8 248 5371 Swap: 65120 0 65120 Wed 25 Jul 2018 04:59:55 AM EDT root@debian:/home/test# free -m && date +%c total used free shared buff/cache available Mem: 5007 181 4578 8 248 4589 Swap: 65120 0 65120 Wed 25 Jul 2018 04:59:56 AM EDT root@debian:/home/test# free -m && date +%c total used free shared buff/cache available Mem: 4317 180 3888 8 248 3899 Swap: 65120 0 65120 Wed 25 Jul 2018 04:59:57 AM EDT root@debian:/home/test# free -m && date +%c total used free shared buff/cache available Mem: 3603 181 3174 8 248 3184 Swap: 65120 0 65120 Wed 25 Jul 2018 04:59:57 AM EDT root@debian:/home/test# free -m && date +%c total used free shared buff/cache available Mem: 2863 181 2434 8 248 2444 Swap: 65120 0 65120 Wed 25 Jul 2018 04:59:58 AM EDT root@debian:/home/test# free -m && date +%c total used free shared buff/cache available Mem: 2169 181 1739 8 248 1750 Swap: 65120 0 65120 Wed 25 Jul 2018 04:59:59 AM EDT root@debian:/home/test# free -m && date +%c total used free shared buff/cache available Mem: 1495 182 1064 8 248 1075 Swap: 65120 0 65120 Wed 25 Jul 2018 05:00:00 AM EDT root@debian:/home/test# free -m && date +%c total used free shared buff/cache available Mem: 775 182 343 8 248 354 Swap: 65120 0 65120 Wed 25 Jul 2018 05:00:00 AM EDT root@debian:/home/test# free -m && date +%c total used free shared buff/cache available Mem: 293 151 117 1 24 46 Swap: 65120 57 65063 Wed 25 Jul 2018 05:00:01 AM EDT root@debian:/home/test# free -m && date +%c total used free shared buff/cache available Mem: 293 139 129 1 24 4 Swap: 65120 55 65065 Wed 25 Jul 2018 05:00:02 AM EDT root@debian:/home/test# free -m && date +%c total used free shared buff/cache available Mem: 293 139 126 1 26 2 Swap: 65120 55 65065 Wed 25 Jul 2018 05:00:03 AM EDT root@debian:/home/test# free -m && date +%c total used free shared buff/cache available Mem: 246 110 116 0 18 43 Swap: 65120 89 65031 Wed 25 Jul 2018 05:00:04 AM EDT root@debian:/home/test# free -m && date +%c total used free shared buff/cache available Mem: 246 111 116 0 18 42 Swap: 65120 90 65030 Wed 25 Jul 2018 05:00:05 AM EDT root@debian:/home/test# free -m && date +%c [...] [ 255.133877] Out of memory: Kill process 971 (systemd-cgroups) score 0 or sacrifice child [ 255.142990] Killed process 971 (systemd-cgroups) total-vm:4804kB, anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 255.184192] systemd invoked oom-killer: gfp_mask=0x14200ca(GFP_HIGHUSER_MOVABLE), nodemask=(null), order=0, oom_score_adj=0 [ 255.196535] systemd cpuset=/ mems_allowed=0 [ 255.201282] CPU: 7 PID: 1 Comm: systemd Not tainted 4.17.0-rc5 #4 [ 255.208161] Hardware name: , BIOS [ 255.212232] Call Trace: [ 255.215048] dump_stack+0x5c/0x7b [ 255.218829] dump_header+0x6b/0x28c [ 255.222801] ? find_lock_task_mm+0x52/0x80 [ 255.227457] ? oom_unkillable_task+0x9b/0xc0 [ 255.232304] out_of_memory+0x328/0x480 [ 255.236569] __alloc_pages_slowpath+0xd25/0xe00 [ 255.241707] ? __do_page_cache_readahead+0x129/0x2e0 [ 255.247329] __alloc_pages_nodemask+0x212/0x250 [ 255.252469] filemap_fault+0x3a0/0x650 [ 255.256737] ? alloc_set_pte+0x39c/0x520 [ 255.261195] ? filemap_map_pages+0x182/0x330 [ 255.266049] ext4_filemap_fault+0x2c/0x40 [ext4] [ 255.271279] __do_fault+0x1f/0xb3 [ 255.275059] __handle_mm_fault+0xbdf/0x1110 [ 255.279809] handle_mm_fault+0xfc/0x1f0 [ 255.284171] __do_page_fault+0x255/0x4f0 [ 255.288632] ? exit_to_usermode_loop+0xa3/0xc0 [ 255.293672] ? page_fault+0x8/0x30 [ 255.297551] page_fault+0x1e/0x30 [ 255.301332] RIP: 0033:0x7f537ebdad50 [ 255.305408] RSP: 002b:00007ffec5e9bdb8 EFLAGS: 00010202 [ 255.311318] RAX: 0000000000000000 RBX: 00005601f8de19e0 RCX: 00007f537d85db00 [ 255.319365] RDX: 00005601f8de19e0 RSI: 00007f537ecdd76c RDI: 00005601f8de19e0 [ 255.327412] RBP: 00007f537ecdd76c R08: 00007f537d85dbb8 R09: 0000000000000060 [ 255.335460] R10: 00007f537efb0940 R11: 0000000000000206 R12: 00007ffec5e9bde0 [ 255.343508] R13: 00007ffec5e9bef0 R14: 0000000000000000 R15: 0000000000000009 [ 255.351563] Mem-Info: [ 255.354178] active_anon:10 inactive_anon:4 isolated_anon:0 [ 255.354178] active_file:129 inactive_file:6 isolated_file:0 [ 255.354178] unevictable:0 dirty:0 writeback:0 unstable:0 [ 255.354178] slab_reclaimable:2925 slab_unreclaimable:4868 [ 255.354178] mapped:0 shmem:0 pagetables:65 bounce:0 [ 255.354178] free:26541 free_pcp:0 free_cma:0 [ 255.389666] Node 0 active_anon:40kB inactive_anon:16kB active_file:516kB inactive_file:24kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 255.418748] Node 0 DMA free:15880kB min:132kB low:164kB high:196kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15964kB managed:15880kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 255.447834] lowmem_reserve[]: 0 1889 7707 7707 7707 [ 255.453359] Node 0 DMA32 free:39428kB min:16532kB low:20664kB high:24796kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:2279640kB managed:44552kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 255.483415] lowmem_reserve[]: 0 0 5818 5818 5818 [ 255.488651] Node 0 Normal free:50856kB min:50912kB low:63640kB high:76368kB active_anon:40kB inactive_anon:16kB active_file:708kB inactive_file:104kB unevictable:0kB writepending:0kB present:6092996kB managed:139648kB mlocked:0kB kernel_stack:2240kB pagetables:260kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 255.519966] lowmem_reserve[]: 0 0 0 0 0 [ 255.524326] 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 (M) 3*4096kB (M) = 15880kB [ 255.538966] Node 0 DMA32: 9*4kB (UM) 6*8kB (UM) 3*16kB (UM) 4*32kB (M) 6*64kB (M) 7*128kB (UM) 4*256kB (M) 6*512kB (M) 3*1024kB (M) 1*2048kB (U) 7*4096kB (UM) = 39428kB [ 255.555839] Node 0 Normal: 551*4kB (UME) 356*8kB (UME) 185*16kB (UME) 90*32kB (ME) 50*64kB (UME) 36*128kB (UME) 12*256kB (UM) 6*512kB (M) 8*1024kB (UM) 9*2048kB (M) 0*4096kB = 51468kB [ 255.574160] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 255.583952] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 255.593453] 206 total pagecache pages [ 255.597628] 6 pages in swap cache [ 255.601404] Swap cache stats: add 127798, delete 127855, find 93647/162354 [ 255.609164] Free swap = 66670076kB [ 255.613138] Total swap = 66683900kB [ 255.617115] 2097150 pages RAM [ 255.620500] 0 pages HighMem/MovableOnly [ 255.624867] 2047130 pages reserved [ 255.628746] 0 pages hwpoisoned [ 255.632230] Unreclaimable slab info: [ 255.636308] Name Used Total [ 255.642418] scsi_sense_cache 41KB 56KB [ 255.648329] ip6_dst_cache 3KB 15KB [ 255.654245] RAWv6 27KB 31KB [ 255.660161] sgpool-128 8KB 8KB [ 255.666072] cfq_io_cq 7KB 19KB [ 255.671988] cfq_queue 11KB 23KB [ 255.677901] mqueue_inode_cache 0KB 3KB [ 255.683910] dnotify_struct 0KB 3KB [ 255.689828] secpath_cache 0KB 8KB [ 255.695738] RAW 30KB 30KB [ 255.701654] hugetlbfs_inode_cache 1KB 7KB [ 255.707955] eventpoll_pwq 4KB 23KB [ 255.713872] eventpoll_epi 7KB 32KB [ 255.719785] request_queue 4KB 12KB [ 255.725698] blkdev_ioc 6KB 15KB [ 255.731613] biovec-max 96KB 96KB [ 255.737526] biovec-128 4KB 4KB [ 255.743442] biovec-64 293KB 328KB [ 255.749357] dmaengine-unmap-256 2KB 6KB [ 255.755466] dmaengine-unmap-128 3KB 22KB [ 255.761570] dmaengine-unmap-16 6KB 7KB [ 255.767581] dmaengine-unmap-2 0KB 3KB [ 255.773497] skbuff_fclone_cache 51KB 84KB [ 255.779604] skbuff_head_cache 74KB 148KB [ 255.785518] net_namespace 6KB 6KB [ 255.791431] shmem_inode_cache 609KB 665KB [ 255.797348] taskstats 3KB 3KB [ 255.803259] proc_dir_entry 176KB 192KB [ 255.809176] pde_opener 0KB 3KB [ 255.815088] seq_file 2KB 8KB [ 255.821002] sigqueue 7KB 11KB [ 255.826915] kernfs_node_cache 2792KB 2812KB [ 255.832832] mnt_cache 29KB 48KB [ 255.838745] filp 83KB 352KB [ 255.844661] names_cache 56KB 56KB [ 255.850572] vm_area_struct 108KB 566KB [ 255.856486] mm_struct 76KB 96KB [ 255.862404] files_cache 29KB 45KB [ 255.868314] signal_cache 203KB 232KB [ 255.874227] sighand_cache 406KB 420KB [ 255.880146] task_struct 655KB 655KB [ 255.886057] cred_jar 57KB 165KB [ 255.891972] anon_vma 17KB 105KB [ 255.897885] pid 49KB 276KB [ 255.903798] Acpi-Operand 590KB 606KB [ 255.909715] Acpi-Parse 4KB 15KB [ 255.915630] Acpi-State 5KB 19KB [ 255.921545] Acpi-Namespace 221KB 228KB [ 255.927455] numa_policy 0KB 3KB [ 255.933370] trace_event_file 114KB 126KB [ 255.939284] ftrace_event_field 148KB 159KB [ 255.945297] pool_workqueue 115KB 328KB [ 255.951211] task_group 12KB 27KB [ 255.957124] kmalloc-2097152 2048KB 2048KB [ 255.963038] kmalloc-262144 768KB 768KB [ 255.968953] kmalloc-131072 128KB 128KB [ 255.974864] kmalloc-32768 288KB 288KB [ 255.980778] kmalloc-16384 384KB 384KB [ 255.986697] kmalloc-8192 712KB 712KB [ 255.992607] kmalloc-4096 596KB 600KB [ 255.998521] kmalloc-2048 1546KB 1592KB [ 256.004436] kmalloc-1024 1158KB 1216KB [ 256.010352] kmalloc-512 522KB 604KB [ 256.016264] kmalloc-256 125KB 132KB [ 256.022179] kmalloc-192 236KB 267KB [ 256.028092] kmalloc-96 178KB 252KB [ 256.034009] kmalloc-64 298KB 360KB [ 256.039924] kmalloc-32 411KB 430KB [ 256.045839] kmalloc-128 104KB 132KB [ 256.051749] kmem_cache 33KB 40KB [ 256.057665] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 256.067170] [ 273] 0 273 11680 1 122880 363 -1000 systemd-udevd [ 256.076962] Kernel panic - not syncing: Out of memory and no killable processes... [ 256.076962] [ 256.087232] CPU: 7 PID: 1 Comm: systemd Not tainted 4.17.0-rc5 #4 [ 256.094113] Hardware name: , BIOS [ 256.098185] Call Trace: [ 256.100999] dump_stack+0x5c/0x7b [ 256.104780] panic+0xe4/0x252 [ 256.108173] ? dump_header+0x189/0x28c [ 256.112437] out_of_memory+0x334/0x480 [ 256.116705] __alloc_pages_slowpath+0xd25/0xe00 [ 256.121843] ? __do_page_cache_readahead+0x129/0x2e0 [ 256.127465] __alloc_pages_nodemask+0x212/0x250 [ 256.132603] filemap_fault+0x3a0/0x650 [ 256.136871] ? alloc_set_pte+0x39c/0x520 [ 256.141330] ? filemap_map_pages+0x182/0x330 [ 256.146184] ext4_filemap_fault+0x2c/0x40 [ext4] [ 256.151412] __do_fault+0x1f/0xb3 [ 256.155197] __handle_mm_fault+0xbdf/0x1110 [ 256.159948] handle_mm_fault+0xfc/0x1f0 [ 256.164306] __do_page_fault+0x255/0x4f0 [ 256.168769] ? exit_to_usermode_loop+0xa3/0xc0 [ 256.173807] ? page_fault+0x8/0x30 [ 256.177687] page_fault+0x1e/0x30 [ 256.181467] RIP: 0033:0x7f537ebdad50 [ 256.185538] RSP: 002b:00007ffec5e9bdb8 EFLAGS: 00010202 [ 256.191455] RAX: 0000000000000000 RBX: 00005601f8de19e0 RCX: 00007f537d85db00 [ 256.199500] RDX: 00005601f8de19e0 RSI: 00007f537ecdd76c RDI: 00005601f8de19e0 [ 256.207546] RBP: 00007f537ecdd76c R08: 00007f537d85dbb8 R09: 0000000000000060 [ 256.215593] R10: 00007f537efb0940 R11: 0000000000000206 R12: 00007ffec5e9bde0 [ 256.223642] R13: 00007ffec5e9bef0 R14: 0000000000000000 R15: 0000000000000009 [ 256.231752] Kernel Offset: disabled (XEN) Hardware Dom0 crashed: rebooting machine in 5 seconds. (XEN) Resetting with ACPI MEMORY or I/O RESET_REG.