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[Bug 2057898] [NEW] hugemmap05_1 hugemmap10 from hugetlb in ubuntu_ltp_stable failed on B-ibm-gt

To: canonical-ubuntu-qa@xxxxxxxxxxxxxxxxxxx
From: Po-Hsu Lin <2057898@xxxxxxxxxxxxxxxxxx>
Date: Thu, 14 Mar 2024 08:57:05 -0000
Reply-to: Bug 2057898 <2057898@xxxxxxxxxxxxxxxxxx>
Sender: noreply@xxxxxxxxxxxxx
Public bug reported:

Issue found with B-ibm-gt 4.15.0-1156.169 on node durin and openstack
AMD64 instance.

Test failed with hugemmap05_1 and hugemmap10 these 2 test cases:

 startup='Thu Mar 14 01:44:13 2024'
 tst_hugepage.c:84: TINFO: 4 hugepage(s) reserved
 tst_test.c:1741: TINFO: LTP version: 20230929-406-gcbc2d0568
 tst_test.c:1627: TINFO: Timeout per run is 0h 00m 30s
 hugemmap05.c:226: TINFO: original nr_overcommit_hugepages is 0
 hugemmap05.c:233: TINFO: Mounting (null) to /tmp/ltp-2GRCMg39hB/LTP_huglALBlM/hugemmap05 fstyp=hugetlbfs flags=0
 hugemmap05.c:99: TINFO: check /proc/meminfo before allocation.
 hugemmap05.c:275: TINFO: HugePages_Total is 4.
 hugemmap05.c:278: TFAIL: HugePages_Total is not 3 but 4.
 hugemmap05.c:179: TINFO: restore nr_overcommit_hugepages to 0.
 
 Summary:
 passed   0
 failed   1
 broken   0
 skipped  0
 warnings 0
 tag=hugemmap05_1 stime=1710380653 dur=0 exit=exited stat=1 core=no cu=0 cs=2


 startup='Thu Mar 14 01:44:03 2024'
 tst_hugepage.c:84: TINFO: 5 hugepage(s) reserved
 tst_test.c:1049: TINFO: Mounting none to /tmp/ltp-hmfJwHRq3e/LTP_hugYYlEVD/hugetlbfs fstyp=hugetlbfs flags=0
 tst_test.c:1741: TINFO: LTP version: 20230929-406-gcbc2d0568
 tst_test.c:1627: TINFO: Timeout per run is 0h 00m 30s
 hugemmap10.c:388: TINFO: Base pool size: 0
 hugemmap10.c:315: TINFO: Clean...
 hugemmap10.c:317: TFAIL: While initializing hugepages pool: Bad HugePages_Total: expected 0, actual 2
 hugemmap10.c:317: TFAIL: While initializing hugepages pool: Bad HugePages_Free: expected 0, actual 2
 hugemmap10.c:317: TFAIL: While initializing hugepages pool: Bad HugePages_Surp: expected 0, actual 2
 
 Summary:
 passed   0
 failed   3
 broken   0
 skipped  0
 warnings 0
 tag=hugemmap10 stime=1710380643 dur=0 exit=exited stat=1 core=no cu=0 cs=3

This is not a regression, from our hint database it looks this can be
traced all the way back to -1148

** Affects: ubuntu-kernel-tests
     Importance: Undecided
         Status: New


** Tags: 4.15 bionic sru-s20240205 ubuntu-ltp-stable

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https://bugs.launchpad.net/bugs/2057898

Title:
  hugemmap05_1 hugemmap10 from hugetlb in ubuntu_ltp_stable failed on
  B-ibm-gt

Status in ubuntu-kernel-tests:
  New

Bug description:
  Issue found with B-ibm-gt 4.15.0-1156.169 on node durin and openstack
  AMD64 instance.

  Test failed with hugemmap05_1 and hugemmap10 these 2 test cases:

   startup='Thu Mar 14 01:44:13 2024'
   tst_hugepage.c:84: TINFO: 4 hugepage(s) reserved
   tst_test.c:1741: TINFO: LTP version: 20230929-406-gcbc2d0568
   tst_test.c:1627: TINFO: Timeout per run is 0h 00m 30s
   hugemmap05.c:226: TINFO: original nr_overcommit_hugepages is 0
   hugemmap05.c:233: TINFO: Mounting (null) to /tmp/ltp-2GRCMg39hB/LTP_huglALBlM/hugemmap05 fstyp=hugetlbfs flags=0
   hugemmap05.c:99: TINFO: check /proc/meminfo before allocation.
   hugemmap05.c:275: TINFO: HugePages_Total is 4.
   hugemmap05.c:278: TFAIL: HugePages_Total is not 3 but 4.
   hugemmap05.c:179: TINFO: restore nr_overcommit_hugepages to 0.
   
   Summary:
   passed   0
   failed   1
   broken   0
   skipped  0
   warnings 0
   tag=hugemmap05_1 stime=1710380653 dur=0 exit=exited stat=1 core=no cu=0 cs=2

  
   startup='Thu Mar 14 01:44:03 2024'
   tst_hugepage.c:84: TINFO: 5 hugepage(s) reserved
   tst_test.c:1049: TINFO: Mounting none to /tmp/ltp-hmfJwHRq3e/LTP_hugYYlEVD/hugetlbfs fstyp=hugetlbfs flags=0
   tst_test.c:1741: TINFO: LTP version: 20230929-406-gcbc2d0568
   tst_test.c:1627: TINFO: Timeout per run is 0h 00m 30s
   hugemmap10.c:388: TINFO: Base pool size: 0
   hugemmap10.c:315: TINFO: Clean...
   hugemmap10.c:317: TFAIL: While initializing hugepages pool: Bad HugePages_Total: expected 0, actual 2
   hugemmap10.c:317: TFAIL: While initializing hugepages pool: Bad HugePages_Free: expected 0, actual 2
   hugemmap10.c:317: TFAIL: While initializing hugepages pool: Bad HugePages_Surp: expected 0, actual 2
   
   Summary:
   passed   0
   failed   3
   broken   0
   skipped  0
   warnings 0
   tag=hugemmap10 stime=1710380643 dur=0 exit=exited stat=1 core=no cu=0 cs=3

  This is not a regression, from our hint database it looks this can be
  traced all the way back to -1148

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