** Also affects: ubuntu-kernel-tests
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1747823
Title:
noresv-preserve-resv-page test in libhugetlbfs failed on Trusty arm64
Status in ubuntu-kernel-tests:
New
Status in linux package in Ubuntu:
Confirmed
Bug description:
Steps:
1. Deploy an ARM64 system with Trusty
2. Install necessary packages
3. git clone --depth=1 -b next
https://github.com/libhugetlbfs/libhugetlbfs.git
4. make BUILDTYPE=NATIVEONLY
5. execute the run_test.py in tests directory
Result:
* The noresv-preserve-resv-page test case will fail
Output with sudo ./run_test.py -v:
noresv-preserve-resv-page (2M: 64): Starting testcase
"noresv-preserve-resv-page", pid 16071
Reserve all hugepages 31935
Write to 0x2f97e00000 to steal reserved page
FAIL Steal reserved page
Output with sudo ./run_test.py -V
noresv-preserve-resv-page (2M: 64): libhugetlbfs
[ms10-34-mcdivittB0-kernel:19589]: INFO: Found pagesize 2048 kB
libhugetlbfs [ms10-34-mcdivittB0-kernel:19589]: INFO: Parsed kernel version:
[3] . [13] . [0]
libhugetlbfs [ms10-34-mcdivittB0-kernel:19589]: INFO: Feature
private_reservations is present in this kernel
libhugetlbfs [ms10-34-mcdivittB0-kernel:19589]: INFO: Feature noreserve_safe
is present in this kernel
libhugetlbfs [ms10-34-mcdivittB0-kernel:19589]: INFO: Feature map_hugetlb is
present in this kernel
libhugetlbfs [ms10-34-mcdivittB0-kernel:19589]: INFO: Kernel has MAP_PRIVATE
reservations. Disabling heap prefaulting.
libhugetlbfs [ms10-34-mcdivittB0-kernel:19589]: INFO: Kernel supports
MAP_HUGETLB
libhugetlbfs [ms10-34-mcdivittB0-kernel:19589]: INFO: HUGETLB_SHARE=0,
sharing disabled
libhugetlbfs [ms10-34-mcdivittB0-kernel:19589]: INFO: HUGETLB_NO_RESERVE=no,
reservations enabled
libhugetlbfs [ms10-34-mcdivittB0-kernel:19589]: INFO: No segments were
appropriate for remapping
FAIL Steal reserved page
ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: linux-image-3.13.0-141-generic 3.13.0-141.190
ProcVersionSignature: User Name 3.13.0-141.190-generic 3.13.11-ckt39
Uname: Linux 3.13.0-141-generic aarch64
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: 2.14.1-0ubuntu3.27
Architecture: arm64
ArecordDevices: Error: [Errno 2] No such file or directory: 'arecord'
CRDA: Error: [Errno 2] No such file or directory: 'iw'
Date: Wed Feb 7 03:11:38 2018
Lsusb: Error: command ['lsusb'] failed with exit code 1: unable to initialize
libusb: -99
PciMultimedia:
ProcEnviron:
TERM=xterm-256color
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=en_US.UTF-8
SHELL=/bin/bash
ProcFB:
ProcKernelCmdLine: console=ttyS0,9600n8r ro
RelatedPackageVersions:
linux-restricted-modules-3.13.0-141-generic N/A
linux-backports-modules-3.13.0-141-generic N/A
linux-firmware 1.127.24
RfKill: Error: [Errno 2] No such file or directory: 'rfkill'
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
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