https://bugs.lttng.org/issues/1091
end of sudo lttng-sessiond -vvv shows that we have a vmalloc failure: DEBUG1 - 14:25:37.954060 [10037/10081]: Woken up but nothing in the UST command queue (in thread_dispatch_ust_registration() at main.c:1891) DEBUG1 - 14:25:37.954072 [10037/10082]: Got the wait shm fd 33 (in get_wait_shm() at shm.c:115) DEBUG1 - 14:25:37.954074 [10037/10086]: Updating kernel poll set (in update_kernel_poll() at main.c:889) DEBUG1 - 14:25:37.954100 [10037/10086]: Thread kernel polling (in thread_manage_kernel() at main.c:1099) DEBUG1 - 14:25:37.953832 [10037/10087]: [load-session-thread] Load session (in thread_load_session() at load-session-thread.c:91) DEBUG1 - 14:25:37.954079 [10037/10082]: Futex wait update active 1 (in futex_wait_update() at futex.c:66) DEBUG1 - 14:25:37.954132 [10037/10082]: Accepting application registration (in thread_registration_apps() at main.c:2145) DEBUG3 - 14:25:37.953889 [10037/10084]: [ust-thread] Manage notify polling (in ust_thread_manage_notify() at ust-thread.c:69) DEBUG1 - 14:25:42.577842 [10037/10080]: Wait for client response (in thread_manage_clients() at main.c:4444) DEBUG1 - 14:25:42.577865 [10037/10080]: Receiving data from client ... (in thread_manage_clients() at main.c:4489) DEBUG1 - 14:25:42.577999 [10037/10080]: Processing client command 4 (in process_client_msg() at main.c:2980) DEBUG1 - 14:25:42.578010 [10037/10080]: Syscall table listing. (in syscall_table_list() at syscall.c:280) PERROR - 14:25:42.578021 [10037/10080]: syscall table list zmalloc: Cannot allocate memory (in syscall_table_list() at syscall.c:291) DEBUG3 - 14:25:42.578027 [10037/10080]: Destroying syscall hash table. (in destroy_syscall_ht() at syscall.c:159) DEBUG1 - 14:25:42.578030 [10037/10080]: Missing llm structure. Allocating one. (in process_client_msg() at main.c:4124) DEBUG1 - 14:25:42.578032 [10037/10080]: Sending response (size: 20, retcode: Not enough memory (26)) (in thread_manage_clients() ** Changed in: linux (Ubuntu) Status: Incomplete => In Progress -- 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/1671063 Title: ubuntu_lttng_smoke_test failed on Yakkety s390x (zVM) Status in linux package in Ubuntu: In Progress Bug description: Two test cases failed on this arch: == lttng smoke test list kernel events == PASSED (lttng list --kernel) Error: Unable to list system calls: Not enough memory Error: Command error FAILED (lttng list --kernel --syscall) FAILED (lttng list --kernel --syscall more output expected) == lttng smoke test trace open/close system calls == ... FAILED (did not trace any open system calls) Please find attachment for complete log. ProblemType: Bug DistroRelease: Ubuntu 16.10 Package: linux-image-4.8.0-40-generic 4.8.0-40.43 ProcVersionSignature: Ubuntu 4.8.0-40.43-generic 4.8.17 Uname: Linux 4.8.0-40-generic s390x NonfreeKernelModules: zfs zunicode zcommon znvpair zavl AlsaDevices: Error: command ['ls', '-l', '/dev/snd/'] failed with exit code 2: ls: cannot access '/dev/snd/': No such file or directory AplayDevices: Error: [Errno 2] No such file or directory: 'aplay' ApportVersion: 2.20.3-0ubuntu8.2 Architecture: s390x ArecordDevices: Error: [Errno 2] No such file or directory: 'arecord' CRDA: Error: command ['iw', 'reg', 'get'] failed with exit code 1: nl80211 not found. Date: Wed Mar 8 06:39:24 2017 IwConfig: Error: [Errno 2] No such file or directory: 'iwconfig' Lspci: Lsusb: Error: command ['lsusb'] failed with exit code 1: PciMultimedia: ProcFB: Error: [Errno 2] No such file or directory: '/proc/fb' ProcKernelCmdLine: root=/dev/mapper/kl02vg01-root crashkernel=196M debug udev.log-priority=debug rd.udev.log_priority=debug BOOT_IMAGE=0 RelatedPackageVersions: linux-restricted-modules-4.8.0-40-generic N/A linux-backports-modules-4.8.0-40-generic N/A linux-firmware 1.161.1 RfKill: Error: [Errno 2] No such file or directory: 'rfkill' SourcePackage: linux UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1671063/+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