FYI, we noticed the following commit (built with gcc-7):
commit: fc3e3953b8c0fe209c239cb5e88b86fb66b22cc4 ("devinet_ioctl(): take copyin/copyout to caller")
https://git.kernel.org/cgit/linux/kernel/git/viro/vfs.git work.net-ioctl
in testcase: hpcc
with following parameters:
cpufreq_governor: performance
on test machine: 88 threads Intel(R) Xeon(R) CPU E5-2699 v4 @ 2.20GHz with 128G memory
caused below changes (please refer to attached dmesg/kmsg for entire log/backtrace):
[ 39.924528] [lkp-bdw-ep6:01944] opal_ifinit: ioctl(SIOCGIFADDR) failed with errno=99
[ 39.924531]
[ 39.938310] [lkp-bdw-ep6:01944] oob_tcp: problems getting address for index 0 (kernel index -1)
[ 39.938312]
[ 40.126075] [lkp-bdw-ep6:01948] opal_ifinit: ioctl(SIOCGIFADDR) failed with errno=99
[ 40.126079]
[ 40.140852] [lkp-bdw-ep6:01948] oob_tcp: problems getting address for index 0 (kernel index -1)
[ 40.140854]
[ 40.156277] [lkp-bdw-ep6:01949] opal_ifinit: ioctl(SIOCGIFADDR) failed with errno=99
[ 40.156279]
[ 40.170854] [lkp-bdw-ep6:01949] oob_tcp: problems getting address for index 0 (kernel index -1)
To reproduce:
git clone https://github.com/intel/lkp-tests.git
cd lkp-tests
bin/lkp install job.yaml # job file is attached in this email
bin/lkp run job.yaml
Thanks,
Xiaolong