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Fixed

LIN7-1599 : fsl-t2xxx cpu_hotplug_offline end but no respond keyboard on console

Created: Nov 10, 2014    Updated: Sep 8, 2018
Resolved Date: Dec 28, 2014
Found In Version: 7.0
Fix Version: 7.0.0.1
Severity: Standard
Applicable for: Wind River Linux 7
Component/s: BSP

Description

######################################################### 
           Start cpu_hotplug_offline testing      
######################################################### 
kmemleak: 719 new suspected memory leaks (see /sys/kernel/debug/kmemleak)
<<start cpu hotplug offline>>
********************
root@t2080rdb:/root# echo 0 > /sys/devices/system/cpu/cpu1/online
Cannot set affinity for irq 17
[  154.276356] Cannot set affinity for irq 17
root@t2080rdb:/root# cat /sys/devices/system/cpu/cpu1/online
0
root@t2080rdb:/root# echo 0 > /sys/devices/system/cpu/cpu2/online

root@t2080rdb:/root# cat /sys/devices/system/cpu/cpu2/online
0
root@t2080rdb:/root# echo 0 > /sys/devices/system/cpu/cpu3/online

root@t2080rdb:/root# cat /sys/devices/system/cpu/cpu3/online
0
root@t2080rdb:/root# echo 0 > /sys/devices/system/cpu/cpu4/online

root@t2080rdb:/root# cat /sys/devices/system/cpu/cpu4/online
0
root@t2080rdb:/root# echo 0 > /sys/devices/system/cpu/cpu5/online

root@t2080rdb:/root# cat /sys/devices/system/cpu/cpu5/online
0
root@t2080rdb:/root# echo 0 > /sys/devices/system/cpu/cpu6/online

root@t2080rdb:/root# cat /sys/devices/system/cpu/cpu6/online
0
root@t2080rdb:/root# echo 0 > /sys/devices/system/cpu/cpu7/online

root@t2080rdb:/root# cat /sys/devices/system/cpu/cpu7/online
0
root@t2080rdb:/root# cat /proc/cpuinfo |grep processor |wc -l
1
root@t2080rdb:/root# echo 1 > /sys/devices/system/cpu/cpu1/online

root@t2080rdb:/root# echo 1 > /sys/devices/system/cpu/cpu2/online

root@t2080rdb:/root# echo 1 > /sys/devices/system/cpu/cpu3/online

root@t2080rdb:/root# echo 1 > /sys/devices/system/cpu/cpu4/online

root@t2080rdb:/root# echo 1 > /sys/devices/system/cpu/cpu5/online

root@t2080rdb:/root# echo 1 > /sys/devices/system/cpu/cpu6/online

root@t2080rdb:/root# echo 1 > /sys/devices/system/cpu/cpu7/online

<<end cpu hotplug offline>>
********************
kmemleak: 3 new suspected memory leaks (see /sys/kernel/debug/kmemleak)
kmemleak: 46 new suspected memory leaks (see /sys/kernel/debug/kmemleak)
kmemleak: 2 new suspected memory leaks (see /sys/kernel/debug/kmemleak)
kmemleak: 4 new suspected memory leaks (see /sys/kernel/debug/kmemleak)
kmemleak: 9 new suspected memory leaks (see /sys/kernel/debug/kmemleak)
kmemleak: 7 new suspected memory leaks (see /sys/kernel/debug/kmemleak)
kmemleak: 8 new suspected memory leaks (see /sys/kernel/debug/kmemleak)
kmemleak: 9 new suspected memory leaks (see /sys/kernel/debug/kmemleak)

--------------------->> No respond keyboard.

Steps to Reproduce

1) configure --enable-board=fsl-t2xxx --enable-kernel=preempt-rt --enable-rootfs=glibc-std --with-layer=/lpg-build/cdc/wgao/wrlinux/wr-testing/bts-dev --with-template=feature/bts --enable-parallel-pkgbuilds=16 --enable-jobs=16
2) make fs
3) follow description's steps run commands.

check the console responding with keyboard

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