[Xperia Play Android Development] CosmicDan:
Same as MIUI5, which is FXP-134 :( HD playback doesn't work at all. Must be an OMX decoder issue.

EDIT: Yeah, I disabled HW overlays, restarted the phone, and YouTube app still causes reboot. Logcat snip:

E/overlay ( 152): mRotDataInfo msm_rotator_data_info sessid=0 verkey=0
E/overlay ( 152): src msmfb_data offset=0 memid=0 id=0 flags=0x0 priv=0
E/overlay ( 152): dst msmfb_data offset=0 memid=0 id=0 flags=0x0 priv=0
E/overlay ( 152): src_chroma msmfb_data offset=0 memid=0 id=0 flags=0x0 priv=0
E/overlay ( 152): dst_chroma msmfb_data offset=0 memid=0 id=0 flags=0x0 priv=0
E/overlay ( 152): == Dump MdpRot end ==
E/overlay ( 152): GenPipe Rotator commit failed
E/overlay ( 152): OverlayImpl p0 failed to commit
E/overlay ( 152): Overlay commit failed
E/hwcomposer( 152): configPrimVid: commit fails
D/overlay ( 152): FROM_STATE = OV_2D_VIDEO_ON_PANEL TO_STATE = OV_CLOSED
D/overlay ( 152): FROM_STATE = OV_CLOSED TO_STATE = OV_2D_VIDEO_ON_PANEL
E/overlay ( 152): Failed to call ioctl MSM_ROTATOR_IOCTL_START err=Not a typewriter
E/overlay ( 152): MdpRot commit failed
E/overlay ( 152): == Dump MdpRot start ==
E/overlay ( 152): == Dump OvFD fd=92 path=/dev/msm_rotator start/end ==
E/overlay ( 152): == Dump OvMem start ==
E/overlay ( 152): fd=-1 addr=0xffffffff type=0 bufsz=0
E/overlay ( 152): == Dump OvMem end ==
E/overlay ( 152): mRotImgInfo msm_rotator_img_info sessid=0 dstx=0 dsty=0 rot=4, ena=1
E/overlay ( 152): src msmfb_img w=640 h=360 format=14 MDP_RGBX_8888
E/overlay ( 152): dst msmfb_img w=360 h=640 format=0 MDP_RGB_565
E/overlay ( 152): src_rect mdp_rect x=0 y=0 w=640 h=360
E/overlay ( 152): mRotDataInfo msm_rotator_data_info sessid=0 verkey=0
E/overlay ( 152): src msmfb_data offset=0 memid=0 id=0 flags=0x0 priv=0
E/overlay ( 152): dst msmfb_data offset=0 memid=0 id=0 flags=0x0 priv=0
E/overlay ( 152): src_chroma msmfb_data offset=0 memid=0 id=0 flags=0x0 priv=0
E/overlay ( 152): dst_chroma msmfb_data offset=0 memid=0 id=0 flags=0x0 priv=0
E/overlay ( 152): == Dump MdpRot end ==
E/overlay ( 152): GenPipe Rotator commit failed
E/overlay ( 152): OverlayImpl p0 failed to commit
E/overlay ( 152): Overlay commit failed
E/hwcomposer( 152): configPrimVid: commit fails
D/overlay ( 152): FROM_STATE = OV_2D_VIDEO_ON_PANEL TO_STATE = OV_CLOSED
D/overlay ( 152): FROM_STATE = OV_CLOSED TO_STATE = OV_2D_VIDEO_ON_PANEL
I/ActivityManager( 348): Process com.miui.gallery (pid 2192) has died.
E/overlay ( 152): Failed to call ioctl MSM_ROTATOR_IOCTL_START err=Not a typewriter
E/overlay ( 152): MdpRot commit failed
E/overlay ( 152): == Dump MdpRot start ==
E/overlay ( 152): == Dump OvFD fd=92 path=/dev/msm_rotator start/end ==
E/overlay ( 152): == Dump OvMem start ==
E/overlay ( 152): fd=-1 addr=0xffffffff type=0 bufsz=0
E/overlay ( 152): == Dump OvMem end ==
E/overlay ( 152): mRotImgInfo msm_rotator_img_info sessid=0 dstx=0 dsty=0 rot=4, ena=1
E/overlay ( 152): src msmfb_img w=640 h=360 format=14 MDP_RGBX_8888
E/overlay ( 152): dst msmfb_img w=360 h=640 format=0 MDP_RGB_565
E/overlay ( 152): src_rect mdp_rect x=0 y=0 w=640 h=360
E/overlay ( 152): mRotDataInfo msm_rotator_data_info sessid=0 verkey=0
E/overlay ( 152): src msmfb_data offset=0 memid=0 id=0 flags=0x0 priv=0
E/overlay ( 152): dst msmfb_data offset=0 memid=0 id=0 flags=0x0 priv=0
E/overlay ( 152): src_chroma msmfb_data offset=0 memid=0 id=0 flags=0x0 priv=0
E/overlay ( 152): dst_chroma msmfb_data offset=0 memid=0 id=0 flags=0x0 priv=0
E/overlay ( 152): == Dump MdpRot end ==
E/overlay ( 152): GenPipe Rotator commit failed
E/overlay ( 152): OverlayImpl p0 failed to commit
E/overlay ( 152): Overlay commit failed
E/hwcomposer( 152): configPrimVid: commit fails
D/overlay ( 152): FROM_STATE = OV_2D_VIDEO_ON_PANEL TO_STATE = OV_CLOSED
D/overlay ( 152): FROM_STATE = OV_CLOSED TO_STATE = OV_2D_VIDEO_ON_PANEL
E/overlay ( 152): Cant open device /dev/graphics/fb0 err=24
E/overlay ( 152): Ctrl failed to init fbnum=0
E/overlay ( 152): Data cannot init mdp
E/overlay ( 152): GenericPipe failed to init data
E/overlay ( 152): initPipe: OverlayImpl pipe0 failed to init
E/overlay ( 152): closePipe: OverlayImpl pipe1 is null
F/libc ( 152): Fatal signal 11 (SIGSEGV) at 0xdeadbaad (code=1), thread 231 (SurfaceFlinger)
F/libc ( 152): Unable to open connection to debuggerd: Too many open files
I/ServiceManager( 145): service 'SurfaceFlinger' died
I/ServiceManager( 145): service 'display.hwcservice' died
W/SoftwareRenderer( 155): Surface::dequeueBuffer returned error -32
E/DisplayEventReceiver( 348): Display event receiver pipe was closed or an error occurred. events=0x9
E/DisplayEventReceiver( 348): Display event receiver pipe was closed or an error occurred. events=0x9
E/DisplayEventReceiver( 1842): Display event receiver pipe was closed or an error occurred. events=0x9
E/DisplayEventReceiver( 1910): Display event receiver pipe was closed or an error occurred. events=0x9
E/DisplayEventReceiver( 509): Display event receiver pipe was closed or an error occurred. events=0x9
I/Netd ( 2372): Netd 1.0 starting
I/ServiceManager( 145): service 'media.audio_flinger' died
I/ServiceManager( 145): service 'media.player' died
I/ServiceManager( 145): service 'media.camera' died
I/ServiceManager( 145): service 'media.audio_policy' died
I/ServiceManager( 145): service 'simphonebook' died
I/ServiceManager( 145): service 'iphonesubinfo' died
I/ServiceManager( 145): service 'phone' died
I/ServiceManager( 145): service 'sip' died
I/ServiceManager( 145): service 'isms' died

Framebuffer crash?