Hi Greg, On 11 October 2017 at 09:16, Tom Gall <tom.gall@xxxxxxxxxx> wrote: > >> On Oct 10, 2017, at 2:50 PM, Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> wrote: >> >> This is the start of the stable review cycle for the 4.4.92 release. >> There are 47 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 Thu Oct 12 19:50:01 UTC 2017. >> Anything received after that time might be too late. >> >> The whole patch series can be found in one patch at: >> kernel.org/pub/linux/kernel/v4.x/stable-review/patch-4.4.92-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-4.4.y >> and the diffstat can be found below. >> >> thanks, >> >> greg k-h >> > > > On HiKey (arm64) when running ltp-sched with this rc we’re seeing some sort > of scheduler issue or maybe some kind of memory corruption. > > Raw output of interest : > > https://lkft.validation.linaro.org/scheduler/job/46192#L5291 > > ltp-sched-tests__url: git://github.com/linux-test-project/ltp.git > ltp-sched-tests__version: “20170929" > kernel-config: http://snapshots.linaro.org/openembedded/lkft/morty/hikey/rpb/linaro-hikey-stable-rc-4.4/31/defconfig > build-location: http://snapshots.linaro.org/openembedded/lkft/morty/hikey/rpb/linaro-hikey-stable-rc-4.4/31 Comparing with other boards in the test setup, we don't see this issue with x15 (arm), juno (arm64) or x86. We will investigate to check if any conflicting hikey-specific (non-lts) patches are causing this, or need adaptation to the sched/cpuset patch added in this LTS. This, IMHO, shouldn't cause us to delay this stable release. Best, Sumit.