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[Bug 2018735] Re: ubuntu_ltp_controllers testcase memcontrol02 fails on jammy-hwe-5.19

To: canonical-ubuntu-qa@xxxxxxxxxxxxxxxxxxx
From: Benjamin Wheeler <2018735@xxxxxxxxxxxxxxxxxx>
Date: Tue, 04 Feb 2025 13:36:17 -0000
Reply-to: Bug 2018735 <2018735@xxxxxxxxxxxxxxxxxx>
Sender: noreply@xxxxxxxxxxxxx
Also found on:

 	SRU Cycle:	2025.01.13
 	Series:	jammy
 	Package:	linux-realtime-6.8
 	Version:	6.8.1-1016.17~22.04.1
 	Cloud:	metal
 	Instance:	riccioli
 	Region:	kernel
 	Operation:	sru


This one failed on both btrfs and xfs:

22:03:14 DEBUG| [stdout] tst_test.c:1833: TINFO: === Testing on xfs ===
  	  	17278 	  	22:03:14 DEBUG| [stdout] tst_test.c:1170: TINFO: Formatting /dev/loop3 with xfs opts='' extra opts=''
  	  	17279 	  	22:03:14 DEBUG| [stdout] tst_test.c:1182: TINFO: Mounting /dev/loop3 to /tmp/ltp-JZp7XUwD73/LTP_memU9ECNe/mntdir fstyp=xfs flags=0
  	  	17280 	  	22:03:14 DEBUG| [stdout] memcontrol02.c:93: TPASS: Expect: (current=0) == 0
  	  	17281 	  	22:03:14 DEBUG| [stdout] memcontrol02.c:99: TINFO: Added proc to memcg: memory.current=262144
  	  	17282 	  	22:03:14 DEBUG| [stdout] memcontrol02.c:46: TPASS: Expect: (memory.current=52637696) >= (size=52428800)
  	  	17283 	  	22:03:14 DEBUG| [stdout] memcontrol02.c:51: TPASS: Expect: (memory.stat.anon=52441088) > 0
  	  	17284 	  	22:03:14 DEBUG| [stdout] memcontrol02.c:52: TPASS: Expect: (size=52428800) ~= (memory.stat.anon=52441088)
  	  	17285 	  	22:03:14 DEBUG| [stdout] memcontrol02.c:54: TPASS: Expect: (memory.current=52637696) ~= (memory.stat.anon=52441088)
  	  	17286 	  	22:03:14 DEBUG| [stdout] memcontrol02.c:93: TPASS: Expect: (current=0) == 0
  	  	17287 	  	22:03:14 DEBUG| [stdout] memcontrol02.c:99: TINFO: Added proc to memcg: memory.current=262144
  	  	17288 	  	22:03:14 DEBUG| [stdout] memcontrol02.c:69: TINFO: Created temp file: memory.current=262144
  	  	17289 	  	22:03:14 DEBUG| [stdout] memcontrol02.c:74: TPASS: Expect: (memory.current=52690944) >= (size=52428800)
  	  	17290 	  	22:03:14 DEBUG| [stdout] memcontrol02.c:78: TPASS: Expect: (memory.stat.file=38436864) > 0
  	  	17291 	  	22:03:14 DEBUG| [stdout] memcontrol02.c:80: TFAIL: Expect: (memory.current=52690944) ~= (memory.stat.file=38436864)
  	  	17292 	  	22:03:14 DEBUG| [stdout] tst_test.c:1833: TINFO: === Testing on btrfs ===
  	  	17293 	  	22:03:14 DEBUG| [stdout] tst_test.c:1170: TINFO: Formatting /dev/loop3 with btrfs opts='' extra opts=''
  	  	17294 	  	22:03:15 DEBUG| [stdout] tst_test.c:1182: TINFO: Mounting /dev/loop3 to /tmp/ltp-JZp7XUwD73/LTP_memU9ECNe/mntdir fstyp=btrfs flags=0
  	  	17295 	  	22:03:15 DEBUG| [stdout] memcontrol02.c:93: TPASS: Expect: (current=0) == 0
  	  	17296 	  	22:03:15 DEBUG| [stdout] memcontrol02.c:99: TINFO: Added proc to memcg: memory.current=262144
  	  	17297 	  	22:03:15 DEBUG| [stdout] memcontrol02.c:46: TPASS: Expect: (memory.current=52690944) >= (size=52428800)
  	  	17298 	  	22:03:15 DEBUG| [stdout] memcontrol02.c:51: TPASS: Expect: (memory.stat.anon=52441088) > 0
  	  	17299 	  	22:03:15 DEBUG| [stdout] memcontrol02.c:52: TPASS: Expect: (size=52428800) ~= (memory.stat.anon=52441088)
  	  	17300 	  	22:03:15 DEBUG| [stdout] memcontrol02.c:54: TPASS: Expect: (memory.current=52690944) ~= (memory.stat.anon=52441088)
  	  	17301 	  	22:03:15 DEBUG| [stdout] memcontrol02.c:93: TPASS: Expect: (current=0) == 0
  	  	17302 	  	22:03:15 DEBUG| [stdout] memcontrol02.c:99: TINFO: Added proc to memcg: memory.current=262144
  	  	17303 	  	22:03:15 DEBUG| [stdout] memcontrol02.c:69: TINFO: Created temp file: memory.current=262144
  	  	17304 	  	22:03:15 DEBUG| [stdout] memcontrol02.c:74: TPASS: Expect: (memory.current=52666368) >= (size=52428800)
  	  	17305 	  	22:03:15 DEBUG| [stdout] memcontrol02.c:78: TPASS: Expect: (memory.stat.file=36945920) > 0
  	  	17306 	  	22:03:15 DEBUG| [stdout] memcontrol02.c:80: TFAIL: Expect: (memory.current=52666368) ~= (memory.stat.file=36945920)

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https://bugs.launchpad.net/bugs/2018735

Title:
  ubuntu_ltp_controllers testcase memcontrol02 fails on jammy-hwe-5.19

Status in ubuntu-kernel-tests:
  New

Bug description:
  The testcase memcontrol02 from ubuntu_ltp_controllers is failing on
  btrfs with the 5.19 hwe jammy bt on 64k-generic:

  16166 	  	tst_test.c:1599: TINFO: Testing on btrfs
  16167 	  	tst_test.c:1064: TINFO: Formatting /dev/loop3 with btrfs opts='' extra opts=''
  16168 	  	memcontrol02.c:93: TPASS: Expect: (current=0) == 0
  16169 	  	memcontrol02.c:99: TINFO: Added proc to memcg: memory.current=2097152
  16170 	  	memcontrol02.c:46: TPASS: Expect: (memory.current=54525952) >= (size=52428800)
  16171 	  	memcontrol02.c:51: TFAIL: Expect: (memory.stat.anon=0) > 0
  16172 	  	memcontrol02.c:52: TFAIL: Expect: (size=52428800) ~= (memory.stat.anon=0)
  16173 	  	memcontrol02.c:54: TFAIL: Expect: (memory.current=54525952) ~= (memory.stat.anon=0)
  16174 	  	memcontrol02.c:93: TPASS: Expect: (current=0) == 0

  This seems to be a new failure.

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