Additional info: reporter: libreport-2.1.9 WARNING: CPU: 0 PID: 1 at kernel/cgroup.c:3043 css_next_child+0xf7/0x200() Modules linked in: CPU: 0 PID: 1 Comm: systemd Not tainted 3.12.0-0.rc7.git1.1.fc21.x86_64 #1 Hardware name: Gigabyte Technology Co., Ltd. EP45-DS5/EP45-DS5, BIOS F12 09/30/2008 0000000000000009 ffff880129377dc0 ffffffff8173ff64 0000000000000000 ffff880129377df8 ffffffff8107570d 0000000000000000 ffffc90000607000 ffff8800cb81c2b8 ffffc90000607000 0000000000000000 ffff880129377e08 Call Trace: [<ffffffff8173ff64>] dump_stack+0x54/0x74 [<ffffffff8107570d>] warn_slowpath_common+0x7d/0xa0 [<ffffffff810757ea>] warn_slowpath_null+0x1a/0x20 [<ffffffff8110dcc7>] css_next_child+0xf7/0x200 [<ffffffff811df5fb>] mem_cgroup_hierarchy_write+0x5b/0xa0 [<ffffffff81108cf8>] cgroup_file_write+0x108/0x2a0 [<ffffffff811f34db>] ? vfs_write+0x1bb/0x1f0 [<ffffffff811f34db>] ? vfs_write+0x1bb/0x1f0 [<ffffffff813069e3>] ? security_file_permission+0x23/0xa0 [<ffffffff811f33e0>] vfs_write+0xc0/0x1f0 [<ffffffff81213a27>] ? fget_light+0x3a7/0x510 [<ffffffff811f3e5c>] SyS_write+0x4c/0xa0 [<ffffffff81752e69>] system_call_fastpath+0x16/0x1b
Created attachment 818633 [details] File: dmesg
This bug appears to have been reported against 'rawhide' during the Fedora 22 development cycle. Changing version to '22'. More information and reason for this action is here: https://fedoraproject.org/wiki/Fedora_Program_Management/HouseKeeping/Fedora22
*** This bug has been marked as a duplicate of bug 1022736 ***