Public bug reported: This issue was spotted on Bionic Power9 (passed on Power8)
$ sudo ./subpage_prot test: subpage_prot_anon tags: git_version:c186097-dirty allocated malloc block of 0x4000000 bytes at 0x7cb0c1f00000 testing malloc block... Failed at 0x7cb0c1f01000 (p=0,sp=1,w=1), want=fault, got=pass ! Failed at 0x7cb0c1f03000 (p=0,sp=3,w=0), want=fault, got=pass ! Failed at 0x7cb0c1f03000 (p=0,sp=3,w=1), want=fault, got=pass ! Failed at 0x7cb0c1f12000 (p=1,sp=2,w=1), want=fault, got=pass ! Failed at 0x7cb0c1f14000 (p=1,sp=4,w=0), want=fault, got=pass ! On Cosmic this test will be skipped on Power9 ProblemType: Bug DistroRelease: Ubuntu 18.04 Package: linux-image-4.15.0-44-generic 4.15.0-44.47 ProcVersionSignature: Ubuntu 4.15.0-44.47-generic 4.15.18 Uname: Linux 4.15.0-44-generic ppc64le AlsaDevices: total 0 crw-rw---- 1 root audio 116, 1 Jan 24 07:22 seq crw-rw---- 1 root audio 116, 33 Jan 24 07:22 timer AplayDevices: Error: [Errno 2] No such file or directory: 'aplay': 'aplay' ApportVersion: 2.20.9-0ubuntu7.5 Architecture: ppc64el ArecordDevices: Error: [Errno 2] No such file or directory: 'arecord': 'arecord' AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/seq', '/dev/snd/timer'] failed with exit code 1: Date: Thu Jan 24 09:40:59 2019 IwConfig: Error: [Errno 2] No such file or directory: 'iwconfig': 'iwconfig' Lsusb: Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub Bus 001 Device 003: ID 0451:80ff Texas Instruments, Inc. Bus 001 Device 004: ID 0557:2419 ATEN International Co., Ltd Bus 001 Device 002: ID 0557:7000 ATEN International Co., Ltd Hub Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub PciMultimedia: ProcFB: 0 astdrmfb ProcKernelCmdLine: root=UUID=acd1a0d7-f6fc-4130-928c-c8b11ad6e4be ro console=hvc0 ProcLoadAvg: 0.07 0.29 0.49 1/1361 35602 ProcLocks: 1: FLOCK ADVISORY WRITE 3482 00:17:520 0 EOF 2: POSIX ADVISORY WRITE 3746 00:17:580 0 EOF 3: POSIX ADVISORY WRITE 1800 00:17:368 0 EOF 4: FLOCK ADVISORY WRITE 3744 00:17:568 0 EOF 5: POSIX ADVISORY WRITE 3831 00:17:588 0 EOF ProcSwaps: Filename Type Size Used Priority /swap.img file 8388544 0 -2 ProcVersion: Linux version 4.15.0-44-generic (buildd@bos02-ppc64el-004) (gcc version 7.3.0 (Ubuntu 7.3.0-16ubuntu3)) #47-Ubuntu SMP Mon Jan 14 11:26:40 UTC 2019 RelatedPackageVersions: linux-restricted-modules-4.15.0-44-generic N/A linux-backports-modules-4.15.0-44-generic N/A linux-firmware 1.173.3 RfKill: Error: [Errno 2] No such file or directory: 'rfkill': 'rfkill' SourcePackage: linux UpgradeStatus: No upgrade log present (probably fresh install) VarLogDump_list: total 0 cpu_cores: Number of cores present = 40 cpu_coreson: Number of cores online = 40 cpu_dscr: DSCR is 4 cpu_freq: min: 2.862 GHz (cpu 159) max: 2.863 GHz (cpu 1) avg: 2.862 GHz cpu_runmode: Could not retrieve current diagnostics mode, No kernel interface to firmware cpu_smt: SMT=4 ** Affects: ubuntu-kernel-tests Importance: Undecided Status: New ** Affects: linux (Ubuntu) Importance: Undecided Status: Confirmed ** Tags: apport-bug bionic package-from-proposed ppc64el uec-images ** Also affects: ubuntu-kernel-tests Importance: Undecided Status: New -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1813140 Title: subpage_prot in powerpc/mm from ubuntu_kernel_selftests failed To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu-kernel-tests/+bug/1813140/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs