Hello Naresh, Naresh Kamboju <naresh.kamboju@xxxxxxxxxx> writes: > On Fri, 8 Oct 2021 at 17:00, Greg Kroah-Hartman > <gregkh@xxxxxxxxxxxxxxxxxxx> wrote: >> >> This is the start of the stable review cycle for the 4.19.210 release. >> There are 12 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 Sun, 10 Oct 2021 11:27:07 +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/v4.x/stable-review/patch-4.19.210-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-4.19.y >> and the diffstat can be found below. >> >> thanks, >> >> greg k-h > > Results from Linaro’s test farm. > No regressions on arm64, arm, x86_64, and i386. > > Tested-by: Linux Kernel Functional Testing <lkft@xxxxxxxxxx> > > NOTE: > LTP version upgrade to LTP 20210927. > The new case "cfs_bandwidth01" found the following warning. > Since it is a new test case that found this warning can not be considered as > regression. > This warning is only seen on stable rc 4.19 > but not found on 4.14, 5.4, 5.10 and 5.14. > > Test output log: > ---------------- > cfs_bandwidth01.c:57: TINFO: Set 'worker1/cpu.max' = '3000 10000' > cfs_bandwidth01.c:57: TINFO: Set 'worker2/cpu.max' = '2000 10000' > cfs_bandwidth01.c:57: TINFO: Set 'worker3/cpu.max' = '3000 10000' > cfs_bandwidth01.c:118: TPASS: Scheduled bandwidth constrained workers > cfs_bandwidth01.c:57: TINFO: Set 'level2/cpu.max' = '5000 10000' > cfs_bandwidth01.c:130: TPASS: Workers exited > cfs_bandwidth01.c:118: TPASS: Scheduled bandwidth constrained workers > cfs_bandwidth01.c:57: TINFO: Set 'level2/cpu.max' = '5000 10000' > cfs_bandwidth01.c:130: TPASS: Workers exited > cfs_bandwidth01.c:118: TPASS: Scheduled bandwidth constrained work[ > 56.624213] ------------[ cut here ]------------ > [ 56.629421] rq->tmp_alone_branch != &rq->leaf_cfs_rq_list FWIW this appears to be the bug the test is intended to reproduce. Originally seen on a SUSE enterprise 4.12 kernel. -- Thank you, Richard.
