sudo strace -f lttng list --kernel --syscall
....
connect(3, {sa_family=AF_UNIX,
sun_path="/var/run/lttng/client-lttng-sessiond"}, 110) = 0
geteuid() = 0
getegid() = 0
sendmsg(3, {msg_name=NULL, msg_namelen=0,
msg_iov=[{iov_base="\0\0\0\4\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"...,
iov_len=13156}], msg_iovlen=1, msg_control=[{cmsg_len=28,
cmsg_level=SOL_SOCKET, cmsg_type=SCM_CREDENTIALS, cmsg_data={pid=8563, uid=0,
gid=0}}], msg_controllen=28, msg_flags=0}, 0) = 13156
recvmsg(3, {msg_name=NULL, msg_namelen=0,
msg_iov=[{iov_base="\0\0\0\4\0\0\0\32\0\0\0\0\0\0\0\0\0\0\0\0", iov_len=20}],
msg_iovlen=1, msg_controllen=0, msg_flags=0}, MSG_NOSIGNAL) = 20
shutdown(3, SHUT_RDWR) = 0
close(3) = 0
write(2, "Error: Unable to list system cal"..., 54Error: Unable to list system
calls: Not enough memory
) = 54
geteuid() = 0
getuid() = 0
getegid() = 0
getgid() = 0
This seems wrong - there are no ENOMEM syscall returns to trigger this
failure.
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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:
Incomplete
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)
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