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Description of problem: WARNING: CPU: 0 PID: 1 at kernel/cgroup.c:3043 css_next_child+0xf7/0x200() Version-Release number of selected component (if applicable): 3.12.0-0.rc6.git1.1.fc21.x86_64 How reproducible: 100% Steps to Reproduce: 1. Boot. 2. 3. Actual results: [ 2.308075] ------------[ cut here ]------------ [ 2.308092] WARNING: CPU: 0 PID: 1 at kernel/cgroup.c:3043 css_next_child+0xf7/0x200() [ 2.308094] Modules linked in: [ 2.308101] CPU: 0 PID: 1 Comm: systemd Not tainted 3.12.0-0.rc6.git1.1.fc21.x86_64 #1 [ 2.308103] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 2.308104] 0000000000000009 ffff88003da93dc0 ffffffff817453c4 0000000000000000 [ 2.308109] ffff88003da93df8 ffffffff8107568d 0000000000000000 ffffc90000184000 [ 2.308116] ffff880039322170 ffffc90000184000 0000000000000000 ffff88003da93e08 [ 2.308119] Call Trace: [ 2.308125] [<ffffffff817453c4>] dump_stack+0x54/0x74 [ 2.308133] [<ffffffff8107568d>] warn_slowpath_common+0x7d/0xa0 [ 2.308137] [<ffffffff8107576a>] warn_slowpath_null+0x1a/0x20 [ 2.308139] [<ffffffff8110dbd7>] css_next_child+0xf7/0x200 [ 2.308148] [<ffffffff811df4fb>] mem_cgroup_hierarchy_write+0x5b/0xa0 [ 2.308151] [<ffffffff81108c08>] cgroup_file_write+0x108/0x2a0 [ 2.308154] [<ffffffff811f33db>] ? vfs_write+0x1bb/0x1f0 [ 2.308156] [<ffffffff811f33db>] ? vfs_write+0x1bb/0x1f0 [ 2.308167] [<ffffffff813068d3>] ? security_file_permission+0x23/0xa0 [ 2.308170] [<ffffffff811f32e0>] vfs_write+0xc0/0x1f0 [ 2.308176] [<ffffffff81213927>] ? fget_light+0x3a7/0x510 [ 2.308180] [<ffffffff811f3d5c>] SyS_write+0x4c/0xa0 [ 2.308184] [<ffffffff817582e9>] system_call_fastpath+0x16/0x1b [ 2.308185] ---[ end trace 80d128f6de31d041 ]--- Expected results: Additional info:
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
*** Bug 1026031 has been marked as a duplicate of this bug. ***