Hi All, I execute CRIU tests on linux-next. Today I found that one of tests hangs up forever.
[root@linux-next-test linux-next]# git describe HEAD next-20140922 [root@linux-next-test ~]# ps axf ... 698 ? Ss 0:05 \_ sshd: root@notty 700 ? Ss 0:00 | \_ bash -x jenkins-scripts/jenkins-ct.sh jenkins.sh 706 ? S 0:00 | \_ bash -c ( mount --make-rprivate / && umount -l /proc && mount -t proc proc /proc/ && bash -x jenkins.sh) 707 ? S 0:00 | \_ bash -c ( mount --make-rprivate / && umount -l /proc && mount -t proc proc /proc/ && bash -x jenkins.sh) 711 ? S 0:00 | \_ bash -x jenkins.sh 2981 ? S 0:05 | \_ bash -x test/zdtm.sh -C -x .*\(maps01\|maps04\) 6717 ? S 0:00 | \_ /bin/bash zdtm/live/static/cgroup00.hook --clean 6719 ? D 11:13 | \_ mount -t cgroup none cgclean.cWgK71 -o none,name=zdtmtst [root@linux-next-test ~]# cat /proc/6719/stack [<ffffffff8111fcb7>] msleep+0x37/0x50 [<ffffffff8114bde2>] cgroup_mount+0x712/0xa50 [<ffffffff8124d0e9>] mount_fs+0x39/0x1b0 [<ffffffff8126d76b>] vfs_kern_mount+0x6b/0x150 [<ffffffff8127075b>] do_mount+0x22b/0xc20 [<ffffffff81271492>] SyS_mount+0xa2/0x110 [<ffffffff817e3ba9>] system_call_fastpath+0x12/0x17 [<ffffffffffffffff>] 0xffffffffffffffff Let me know which info do you need for investigation. Steps to reproduce: git clone https://github.com/xemul/criu.git cd criu make bash test/zdtm.sh static/cgroup00 Thanks, Andrew -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/