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[Bug 2087985] Re: hugetlb failure in ubuntu_ltp_stable test suite

To: canonical-ubuntu-qa@xxxxxxxxxxxxxxxxxxx
From: Jacob Martin <2087985@xxxxxxxxxxxxxxxxxx>
Date: Sun, 01 Dec 2024 16:20:56 -0000
Reply-to: Bug 2087985 <2087985@xxxxxxxxxxxxxxxxxx>
Sender: noreply@xxxxxxxxxxxxx
Also observed on 6.8.0-1019-nvidia, on nodes akis, blanka, and hidon.

** Also affects: ubuntu-kernel-tests
   Importance: Undecided
       Status: New

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https://bugs.launchpad.net/bugs/2087985

Title:
  hugetlb failure in ubuntu_ltp_stable test suite

Status in ubuntu-kernel-tests:
  New
Status in linux-intel package in Ubuntu:
  New

Bug description:
  Failure of the hugetlb test case in ubuntu_ltp_stable for linux-
  intel-6.11-1003:

  20:45:49 DEBUG| [stdout] tag=hugemmap09 stime=1731098724 dur=0 exit=exited stat=0 core=no cu=0 cs=5
  20:45:49 DEBUG| [stdout] startup='Fri Nov  8 20:45:24 2024'
  20:45:49 DEBUG| [stdout] tst_hugepage.c:84: TINFO: 3 hugepage(s) reserved
  20:45:49 DEBUG| [stdout] tst_tmpdir.c:316: TINFO: Using /tmp/ltp-7SKvp44Dv4/LTP_hug2jDctR as tmpdir (tmpfs filesystem)
  20:45:49 DEBUG| [stdout] tst_test.c:1085: TINFO: Mounting none to /tmp/ltp-7SKvp44Dv4/LTP_hug2jDctR/hugetlbfs fstyp=hugetlbfs flags=0
  20:45:49 DEBUG| [stdout] tst_test.c:1860: TINFO: LTP version: 20230929-874-gba610da01
  20:45:49 DEBUG| [stdout] tst_test.c:1864: TINFO: Tested kernel: 6.11.0-1003-intel #3-Ubuntu SMP PREEMPT_DYNAMIC Thu Oct 24 16:37:37 UTC 2024 x86_64
  20:45:49 DEBUG| [stdout] tst_test.c:1703: TINFO: Timeout per run is 0h 00m 30s
  20:45:49 DEBUG| [stdout] hugemmap10.c:388: TINFO: Base pool size: 0
  20:45:49 DEBUG| [stdout] hugemmap10.c:315: TINFO: Clean...
  20:45:49 DEBUG| [stdout] hugemmap10.c:366: TINFO: OK
  20:45:49 DEBUG| [stdout] hugemmap10.c:315: TINFO: Untouched, shared...
  20:45:49 DEBUG| [stdout] hugemmap10.c:366: TINFO: OK
  20:45:49 DEBUG| [stdout] hugemmap10.c:315: TINFO: Untouched, private...
  20:45:49 DEBUG| [stdout] hugemmap10.c:366: TINFO: OK
  20:45:49 DEBUG| [stdout] hugemmap10.c:315: TINFO: Touched, shared...
  20:45:49 DEBUG| [stdout] hugemmap10.c:366: TINFO: OK
  20:45:49 DEBUG| [stdout] hugemmap10.c:315: TINFO: Touched, private...
  20:45:49 DEBUG| [stdout] hugemmap10.c:366: TINFO: OK
  20:45:49 DEBUG| [stdout] hugemmap10.c:388: TINFO: Base pool size: 1
  20:45:49 DEBUG| [stdout] hugemmap10.c:315: TINFO: Clean...
  20:45:49 DEBUG| [stdout] hugemmap10.c:366: TINFO: OK
  20:45:49 DEBUG| [stdout] hugemmap10.c:315: TINFO: Untouched, shared...
  20:45:49 DEBUG| [stdout] hugemmap10.c:333: TFAIL: While doing munmap shared after touch: Bad HugePages_Total: expected 1, actual 2
  20:45:49 DEBUG| [stdout] hugemmap10.c:333: TFAIL: While doing munmap shared after touch: Bad HugePages_Free: expected 1, actual 2
  20:45:49 DEBUG| [stdout] hugemmap10.c:333: TFAIL: While doing munmap shared after touch: Bad HugePages_Surp: expected 0, actual 1
   25264 	  	20:45:49 DEBUG| [stdout] 
  20:45:49 DEBUG| [stdout] Summary:
  20:45:49 DEBUG| [stdout] passed   0
  20:45:49 DEBUG| [stdout] failed   3
  20:45:49 DEBUG| [stdout] broken   0
  20:45:49 DEBUG| [stdout] skipped  0
  20:45:49 DEBUG| [stdout] warnings 0

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