On Fri, Mar 20, 2020 at 03:29:47AM +0530, Naresh Kamboju wrote: > On Thu, 19 Mar 2020 at 18:52, Greg Kroah-Hartman > <gregkh@xxxxxxxxxxxxxxxxxxx> wrote: > > > > This is the start of the stable review cycle for the 5.4.27 release. > > There are 60 patches in this series, all will be posted as a response > > to this one. If anyone has any issues with these being applied, please > > let me know. > > > > Responses should be made by Sat, 21 Mar 2020 12:37:04 +0000. > > Anything received after that time might be too late. > > > > The whole patch series can be found in one patch at: > > https://www.kernel.org/pub/linux/kernel/v5.x/stable-review/patch-5.4.27-rc1.gz > > or in the git tree and branch at: > > git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-5.4.y > > and the diffstat can be found below. > > > > thanks, > > > > greg k-h > > Results from Linaro’s test farm. > This regression is platform specific. > > On arm64 dragonboard 410c-QC410E* the LT hugemmap05 and > hackbench test cases started failing on this build and easy to reproduce. > Where as on other arm64 platforms (juno-r2, nxp-ls2088) these test PASS. > > These two test case scenario run on independent execution. > > Steps to reproduce, > cd /opt/ltp > ./runltp -s hugemmap05 > > cd /opt/ltp/testcases/bin > ./hackbench 50 process 1000 > ./hackbench 20 thread 1000 > > Test output log: > -------------------- > hugemmap05.c:89: BROK: mmap((nil),402653184,3,1,6,0) failed: ENOMEM (12) > tst_safe_sysv_ipc.c:99: BROK: hugemmap05.c:85: shmget(218431587, > 402653184, b80) failed: ENOMEM (12) > > Running with 50*40 (== 2000) tasks. > fork() (error: Resource temporarily unavailable) > Running with 20*40 (== 800) tasks. > pthread_create failed: Resource temporarily unavailable (11) > > > * > RAM: 1GB LPDDR3 SDRAM @ 533MHz > CPU: ARM Cortex-A53 Quad-core up to 1.2 GHz per core > > https://qa-reports.linaro.org/lkft/linux-stable-rc-5.4-oe/tests/ltp-hugetlb-tests/hugemmap05 > https://qa-reports.linaro.org/lkft/linux-stable-rc-5.4-oe/tests/ltp-sched-tests/hackbench01 > https://qa-reports.linaro.org/lkft/linux-stable-rc-5.4-oe/tests/ltp-sched-tests/hackbench02 Any chance you can run 'git bisect' to find the issue here? thanks, greg k-h