Issue found on Bionic, across amd64 / arm64 / i386 / P8 / s390x
<<<test_start>>>
tag=hugeshmctl01 stime=1583419276
cmdline="hugeshmctl01 -i 5"
contacts=""
analysis=exit
<<<test_output>>>
incrementing stop
tst_test.c:1229: INFO: Timeout per run is 0h 05m 00s
mem.c:817: INFO: set nr_hugepages to 128
hugeshmctl01.c:198: PASS: pid, size, # of attaches and mode are correct - pass #0
hugeshmctl01.c:198: PASS: pid, size, # of attaches and mode are correct - pass #1
hugeshmctl01.c:263: PASS: new mode and change time are correct
hugeshmctl01.c:280: PASS: shmctl in func_rmid() failed as expected, shared memory appears to be removed
tst_checkpoint.c:149: BROK: hugeshmctl01.c:152: tst_checkpoint_wait(0, 10000): ETIMEDOUT (110)
mem.c:817: INFO: set nr_hugepages to 0
Summary:
passed 4
failed 0
skipped 0
warnings 0
<<<execution_status>>>
initiation_status="ok"
duration=11 termination_type=exited termination_id=2 corefile=no
cutime=0 cstime=0
<<<test_end>>>
dmesg on s2lp3:
[84600.210919] BUG: non-zero pgtables_bytes on freeing mm: 16384
[84600.211628] BUG: non-zero pgtables_bytes on freeing mm: 16384
[84601.361848] LTP: starting hugeshmctl01 (hugeshmctl01 -i 5)
[84602.435421] User process fault: interruption code 003b ilc:2 in hugeshmctl01[2aa33f00000+25000]
[84602.435435] Failing address: 0000020000000000 TEID: 0000020000000400
[84602.435437] Fault in primary space mode while using user ASCE.
[84602.435439] AS:000000079ec141c7 R3:0000000000000024
[84602.435444] CPU: 3 PID: 74199 Comm: hugeshmctl01 Tainted: P O 4.15.0-91-generic #92-Ubuntu
[84602.435445] Hardware name: IBM 2964 N63 400 (LPAR)
[84602.435447] User PSW : 00000000a994e531 00000000a60b6ea2
[84602.435449] R:0 T:1 IO:1 EX:1 Key:0 M:1 W:0 P:1 AS:0 CC:2 PM:0 RI:0 EA:3
[84602.435450] User GPRS: 0000000000000000 000002aa00000002 0000000000000000 0000000000000004
[84602.435451] 000002aa33f06602 000003ffb679ecf8 0000000000000000 0000000000000000
[84602.435452] 000003ff00000002 000002aa00000000 000002aa00000000 0000020000000000
[84602.435453] 000003ffb69a6000 000002aa33f1b300 000002aa33f06602 000003ffd6d7dfa8
[84602.435462] User Code: 000002aa33f06640: e31010000012 lt %r1,0(%r1)
000002aa33f06646: a7840038 brc 8,000002aa33f066b6
#000002aa33f0664a: c4b80001061b lgrl %r11,000002aa33f27280
>000002aa33f06650: 50a0b000 st %r10,0(%r11)
000002aa33f06654: a7690001 lghi %r6,1
000002aa33f06658: a7590000 lghi %r5,0
000002aa33f0665c: a7490000 lghi %r4,0
000002aa33f06660: a739008d lghi %r3,141
[84602.435472] Last Breaking-Event-Address:
[84602.435476] [<000002aa33f06602>] 0x2aa33f06602
ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: linux-image-4.15.0-91-generic 4.15.0-91.92
ProcVersionSignature: Ubuntu 4.15.0-91.92-generic 4.15.18
Uname: Linux 4.15.0-91-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: 2.20.9-0ubuntu7.11
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.
Date: Thu Mar 5 14:41:35 2020
HibernationDevice: RESUME=UUID=e2735dd1-cbbc-4424-9c25-d37d073d9414
IwConfig: Error: [Errno 2] No such file or directory: 'iwconfig': 'iwconfig'
Lsusb: Error: command ['lsusb'] failed with exit code 1:
PciMultimedia:
ProcFB: Error: [Errno 2] No such file or directory: '/proc/fb'
ProcKernelCmdLine: root=UUID=38f7d570-2973-4055-b668-12a9ace1e0c7 crashkernel=196M audit=0 BOOT_IMAGE=0
RelatedPackageVersions:
linux-restricted-modules-4.15.0-91-generic N/A
linux-backports-modules-4.15.0-91-generic N/A
linux-firmware 1.173.16
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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