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This test will fail on Bionic / Cosmic PowerPC:
[ RUN ] TRACE_syscall.ptrace_syscall_faked
seccomp_bpf.c:1837:TRACE_syscall.ptrace_syscall_faked:Expected 45000 (45000) ==
syscall(207) (18446744073709551615)
TRACE_syscall.ptrace_syscall_faked: Test failed at step #13
[ FAIL ] TRACE_syscall.ptrace_syscall_faked
This test will pass on PowerPC with Disco kernel.
As this issue can be reproduced with the upsteam kernel tree, so it
looks like a kernel issue instead of a test case issue to me.
ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: linux-image-4.18.0-20-generic 4.18.0-20.21~18.04.1
ProcVersionSignature: Ubuntu 4.18.0-20.21~18.04.1-generic 4.18.20
Uname: Linux 4.18.0-20-generic ppc64le
ApportVersion: 2.20.9-0ubuntu7.6
Architecture: ppc64el
Date: Thu May 16 09:59:19 2019
ProcLoadAvg: 0.07 0.40 0.68 1/1315 7583
ProcLocks:
1: POSIX ADVISORY WRITE 1767 00:17:402 0 EOF
2: POSIX ADVISORY WRITE 3941 00:17:825 0 EOF
3: FLOCK ADVISORY WRITE 3492 00:17:390 0 EOF
4: FLOCK ADVISORY WRITE 3947 00:17:820 0 EOF
5: POSIX ADVISORY WRITE 3872 00:17:799 0 EOF
ProcSwaps:
Filename Type Size Used Priority
/swap.img file 8388544 0 -2
ProcVersion: Linux version 4.18.0-20-generic (buildd@bos02-ppc64el-019) (gcc
version 7.3.0 (Ubuntu 7.3.0-16ubuntu3)) #21~18.04.1-Ubuntu SMP Wed May 8
08:51:08 UTC 2019
SourcePackage: linux-signed-hwe
UpgradeStatus: No upgrade log present (probably fresh install)
VarLogDump_list: total 0
cpu_cores: Number of cores present = 20
cpu_coreson: Number of cores online = 20
cpu_dscr: DSCR is 0
cpu_freq:
min: 3.694 GHz (cpu 159)
max: 3.695 GHz (cpu 0)
avg: 3.694 GHz
cpu_runmode:
Could not retrieve current diagnostics mode,
No kernel interface to firmware
cpu_smt: SMT=8
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Tags: apport-bug bionic cosmic ppc64el uec-images
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TRACE_syscall.ptrace_syscall_faked in seccomp from ubuntu_kernel_selftests
failed on B/C PowerPC
https://bugs.launchpad.net/bugs/1829363
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