[ 3955.309298]  [<ffffffff87c6f978>] ? __set_current_blocked+0x49/0x4e
[ 3955.309298]  [<ffffffff87c621ba>] SyS_clone+0x16/0x18
[ 3955.309298]  [<ffffffff882a0869>] stub_clone+0x69/0x90
[ 3955.309298]  [<ffffffff882a055c>] ? system_call_fastpath+0x1c/0x21
[ 3955.309298] ---[ end trace 3a3ab835b30b8937 ]---
[ 3955.309298] SELinux: initialized (dev proc, type proc), uses genfs_contexts
[ 3955.309298] ------------[ cut here ]------------
[ 3955.309298] WARNING: CPU: 2 PID: 750 at /mnt/host/source/src/third_party/kernel/v3.18/drivers/gpu/drm/ttm/ttm_bo_vm.c:265 ttm_bo_mmap+0x19e/0x1ab [ttm]()
[ 3955.309298] Modules linked in: cfg80211 snd_seq_midi snd_seq_midi_event snd_rawmidi snd_seq ip6table_filter snd_seq_device cirrus ttm
[ 3955.309298] CPU: 2 PID: 750 Comm: Chrome_ProcessL Not tainted 3.18.0 #55
[ 3955.309298] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011
[ 3955.309298]  0000000000000000 0000000000be519d ffff8800afed7d50 ffffffff8829b327
[ 3955.309298]  0000000000000000 0000000000000000 ffff8800afed7d90 ffffffff87c62c3c
[ 3955.309298]  00007f8198b3d000 ffffffffc010ccc0 ffff8800a93e9c00 ffff8800bb139a40
[ 3955.309298] Call Trace:
[ 3955.309298]  [<ffffffff8829b327>] dump_stack+0x4e/0x71
[ 3955.309298]  [<ffffffff87c62c3c>] warn_slowpath_common+0x81/0x9b
[ 3955.309298]  [<ffffffffc010ccc0>] ? ttm_bo_mmap+0x19e/0x1ab [ttm]
[ 3955.309298]  [<ffffffff87c62d3f>] warn_slowpath_null+0x1a/0x1c
[ 3955.309298]  [<ffffffffc010ccc0>] ttm_bo_mmap+0x19e/0x1ab [ttm]
[ 3955.309298]  [<ffffffff87c61534>] copy_process.part.41+0xf2b/0x179a
[ 3955.309298]  [<ffffffff87c61f49>] do_fork+0xc9/0x2c0
[ 3955.309298]  [<ffffffff8829feb3>] ? _raw_spin_unlock_irq+0xe/0x22
[ 3955.309298]  [<ffffffff87c6f978>] ? __set_current_blocked+0x49/0x4e
[ 3955.309298]  [<ffffffff87c621ba>] SyS_clone+0x16/0x18
[ 3955.309298]  [<ffffffff882a0869>] stub_clone+0x69/0x90
[ 3955.309298]  [<ffffffff882a055c>] ? system_call_fastpath+0x1c/0x21
[ 3955.309298] ---[ end trace 3a3ab835b30b8933 ]---
[ 3955.309298] ------------[ cut here ]------------
[ 3955.309298] BARNING: CPU: 2 PID: 750 at /mnt/host/source/src/third_party/kernel/v3.18/drivers/gpu/drm/ttm/ttm_bo_vm.c:265 ttm_bo_mmap+0x19e/0x1ab [ttm]()
[ 3955.309298] ("BARNING" above is intentional)
[ 3955.309298] Modules linked in: cfg80211 snd_seq_midi snd_seq_midi_event snd_rawmidi snd_seq ip6table_filter snd_seq_device cirrus ttm
[ 3955.309298] CPU: 2 PID: 750 Comm: Chrome_ProcessL Not tainted 3.18.0 #55
[ 3955.309298] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011
[ 3955.309298]  0000000000000000 0000000000be519d ffff8800afed7d50 ffffffff8829b327
[ 3955.309298]  0000000000000000 0000000000000000 ffff8800afed7d90 ffffffff87c62c3c
[ 3955.309298]  00007f8198b3d000 ffffffffc010ccc0 ffff8800a93e9c00 ffff8800bb139a40
[ 3955.309298] Call Trace:
[ 3955.309298]  [<ffffffff8829b327>] dump_stack+0x4e/0x71
[ 3955.309298]  [<ffffffff87c62c3c>] warn_slowpath_common+0x81/0x9b
[ 3955.309298]  [<ffffffffc010ccc0>] ? ttm_bo_mmap+0x19e/0x1ab [ttm]