Patch landed on Linus' tree:
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/lib/test_bpf.c?id=3203c9010060806ff88c9989aeab4dc8d9a474dc
** Changed in: ubuntu-kernel-tests
Status: In Progress => Invalid
** Changed in: linux (Ubuntu)
Status: Triaged => Fix Released
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https://bugs.launchpad.net/bugs/1753941
Title:
ubuntu_bpf_jit test failed on Bionic s390x systems
Status in ubuntu-kernel-tests:
Invalid
Status in linux package in Ubuntu:
Fix Released
Status in linux source package in Bionic:
In Progress
Bug description:
== SRU Justification ==
Not sure if this is related to bug 1751234 (error on AMD64 system is
different)
The ubuntu_bpf_jit test will fail with the following 5 test cases:
test_bpf: #292 BPF_MAXINSNS: Ctx heavy transformations FAIL to prog_create
err=-524 len=4096
test_bpf: #293 BPF_MAXINSNS: Call heavy transformations FAIL to prog_create
err=-524 len=4096
test_bpf: #298 BPF_MAXINSNS: ld_abs+get_processor_id FAIL to prog_create
err=-524 len=4096
test_bpf: #299 BPF_MAXINSNS: ld_abs+vlan_push/pop FAIL to select_runtime
err=-524
test_bpf: #300 BPF_MAXINSNS: jump around ld_abs FAIL to select_runtime
err=-524
test_bpf: Summary: 337 PASSED, 5 FAILED, [329/329 JIT'ed]
And modprobe error can be found in the report as well:
modprobe: ERROR: could not insert 'test_bpf': Invalid argument
Issue can be reproduce on both zVM and Ubuntu on LPAR s390x systems.
== Fix ==
3203c9010060 ("test_bpf: flag tests that cannot be jited on s390")
== Regression Potential ==
None, the fix is in a test module and only masks failing testcases on s390
only.
== Test Case ==
Load the test_bpf module, it should load without errors.
ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: linux-image-4.15.0-11-generic 4.15.0-11.12
ProcVersionSignature: Ubuntu 4.15.0-11.12-generic 4.15.5
Uname: Linux 4.15.0-11-generic s390x
NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair
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': 'aplay'
ApportVersion: 2.20.8-0ubuntu10
Architecture: s390x
ArecordDevices: Error: [Errno 2] No such file or directory: 'arecord':
'arecord'
CRDA: Error: command ['iw', 'reg', 'get'] failed with exit code 1: nl80211
not found.
CurrentDmesg:
Date: Wed Mar 7 08:13:51 2018
IwConfig: Error: [Errno 2] No such file or directory: 'iwconfig': '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
BOOT_IMAGE=0
RelatedPackageVersions:
linux-restricted-modules-4.15.0-11-generic N/A
linux-backports-modules-4.15.0-11-generic N/A
linux-firmware 1.172
RfKill: Error: [Errno 2] No such file or directory: 'rfkill': 'rfkill'
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
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