OK. It fails on 4.15. The overcommit logic has changed between 5.1 and
5.2-rc1 with the following commit:
8c7829b04c523cdc732cb77f59f03320e09f3386 ("mm: fix false-positive
OVERCOMMIT_GUESS failures").
Compared to the new logic, the old one is overly complicated, and not
easy to account on the test itself. Allocating half the memory should
probably be enough for the test purpose.
Cascardo.
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https://bugs.launchpad.net/bugs/1854722
Title:
mtest06 from mm in ubuntu_ltp failed on B-AWS-5.0 B-AWS-4.15
Status in ubuntu-kernel-tests:
Triaged
Status in linux-aws package in Ubuntu:
New
Bug description:
Kernel: 5.0.0-1022.25~18.04.1
Issue found on instance t2.small
The test failed with ENOMEM
startup='Wed Nov 20 10:40:07 2019'
tst_test.c:1217: INFO: Timeout per run is 0h 05m 00s
mmap1.c:205: BROK: mmap((nil),2147483648,3,34,-1,0) failed: ENOMEM (12)
Summary:
passed 0
failed 0
skipped 0
warnings 0
tag=mtest06 stime=1574246407 dur=0 exit=exited stat=2 core=no cu=0 cs=0
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