Boris, all: We did a test with disabling the SRAT entirely, but the balloon messages persisted.
ami-af8d9ac6 (ubuntu/images-milestone/hvm/ubuntu- trusty-14.04-beta2-amd64-server-20140326) $ dmesg | grep -i 'srat\|node\|numa\|balloon' |grep -iv inode [ 0.000000] No NUMA configuration found [ 0.000000] Faking a node at [mem 0x0000000000000000-0x00000000efffffff] [ 0.000000] Initmem setup node 0 [mem 0x00000000-0xefffffff] [ 0.000000] NODE_DATA [mem 0xefffa000-0xefffefff] [ 0.000000] [ffffea0000000000-ffffea0003bfffff] PMD -> [ffff8800eba00000-ffff8800ef5fffff] on node 0 [ 0.000000] Movable zone start for each node [ 0.000000] Early memory node ranges [ 0.000000] node 0: [mem 0x00001000-0x0009dfff] [ 0.000000] node 0: [mem 0x00100000-0xefffffff] [ 0.000000] On node 0 totalpages: 982941 [ 0.000000] setup_percpu: NR_CPUS:256 nr_cpumask_bits:256 nr_cpu_ids:15 nr_node_ids:1 [ 0.000000] Built 1 zonelists in Node order, mobility grouping on. Total pages: 967560 [ 0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=15, Nodes=1 [ 0.166158] .... node #0, CPUs: #1cpu 1 spinlock event irq 75 [ 0.181508] x86: Booted up 1 node, 2 CPUs [ 0.427625] xen:balloon: Initialising balloon driver [ 0.428050] xen_balloon: Initialising balloon driver [ 0.432041] xen:balloon: reserve_additional_memory: add_memory() failed: -17 [ 2.436064] xen:balloon: reserve_additional_memory: add_memory() failed: -17 [ 6.444075] xen:balloon: reserve_additional_memory: add_memory() failed: -17 [ 14.460116] xen:balloon: reserve_additional_memory: add_memory() failed: -17 [ 30.492124] xen:balloon: reserve_additional_memory: add_memory() failed: -17 [ 62.556264] xen:balloon: reserve_additional_memory: add_memory() failed: -17 [ 94.620288] xen:balloon: reserve_additional_memory: add_memory() failed: -17 [ 126.684103] xen:balloon: reserve_additional_memory: add_memory() failed: -17 [ 158.748099] xen:balloon: reserve_additional_memory: add_memory() failed: -17 -- 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/1304001 Title: xen:balloon errors in 14.04 beta Status in “linux” package in Ubuntu: Confirmed Bug description: Xen balloon errors on HVM instances on EC2 (Xen 4.2.amazon): ubuntu@ip-10-63-20-99:~$ uname -a Linux ip-10-63-20-99 3.13.0-23-generic #45-Ubuntu SMP Fri Apr 4 06:58:38 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux ubuntu@ip-10-63-20-99:~$ dmesg |grep xen [ 0.000000] xen:events: Xen HVM callback vector for event delivery is enabled [ 0.494613] xen:balloon: Initialising balloon driver [ 0.496046] xen_balloon: Initialising balloon driver [ 0.500077] xen:balloon: reserve_additional_memory: add_memory() failed: -17 [ 0.541047] Switched to clocksource xen [ 0.562579] xen: --> pirq=16 -> irq=8 (gsi=8) [ 0.562622] xen: --> pirq=17 -> irq=12 (gsi=12) [ 0.562649] xen: --> pirq=18 -> irq=1 (gsi=1) [ 0.562673] xen: --> pirq=19 -> irq=6 (gsi=6) [ 0.562705] xen: --> pirq=20 -> irq=4 (gsi=4) [ 0.920527] xen: --> pirq=21 -> irq=47 (gsi=47) [ 0.920596] xen:grant_table: Grant tables using version 1 layout [ 1.029661] xen_netfront: Initialising Xen virtual ethernet driver [ 1.236083] xenbus_probe_frontend: Device with no driver: device/vfb/0 [ 2.516067] xen:balloon: reserve_additional_memory: add_memory() failed: -17 [ 6.533941] xen:balloon: reserve_additional_memory: add_memory() failed: -17 [ 14.560075] xen:balloon: reserve_additional_memory: add_memory() failed: -17 [ 30.592064] xen:balloon: reserve_additional_memory: add_memory() failed: -17 [ 62.688153] xen:balloon: reserve_additional_memory: add_memory() failed: -17 [ 94.752164] xen:balloon: reserve_additional_memory: add_memory() failed: -17 [ 126.816161] xen:balloon: reserve_additional_memory: add_memory() failed: -17 [ 158.880084] xen:balloon: reserve_additional_memory: add_memory() failed: -17 [ 190.944069] xen:balloon: reserve_additional_memory: add_memory() failed: -17 [ 223.008141] xen:balloon: reserve_additional_memory: add_memory() failed: -17 [ 255.072112] xen:balloon: reserve_additional_memory: add_memory() failed: -17 [ 287.136190] xen:balloon: reserve_additional_memory: add_memory() failed: -17 [ 319.200053] xen:balloon: reserve_additional_memory: add_memory() failed: -17 [ 351.264164] xen:balloon: reserve_additional_memory: add_memory() failed: -17 [ 383.328080] xen:balloon: reserve_additional_memory: add_memory() failed: -17 [ 415.392077] xen:balloon: reserve_additional_memory: add_memory() failed: -17 [ 447.456112] xen:balloon: reserve_additional_memory: add_memory() failed: -17 [ 479.520128] xen:balloon: reserve_additional_memory: add_memory() failed: -17 [ 511.584110] xen:balloon: reserve_additional_memory: add_memory() failed: -17 [ 543.648181] xen:balloon: reserve_additional_memory: add_memory() failed: -17 [ 575.712070] xen:balloon: reserve_additional_memory: add_memory() failed: -17 [ 607.776178] xen:balloon: reserve_additional_memory: add_memory() failed: -17 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1304001/+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
