black screen

My daughter's laptop has come home from college with the following
problem: ogle seems to be playing DVDs okay, but the window is
completely black. As far as I know the configuration hasn't changed and
it did work properly in August. Here is the --debug output:

Build: Linux 2.6.6-1.435.2.3 #1 Thu Jul 1 08:25:29 EDT 2004 i686 i686 Tue Aug  3 03:35:18 EDT 2004 mmx Xv oss alsa
Runtime: Linux 2.6.8-1.521 #1 Mon Aug 16 09:01:18 EDT 2004 i686 i686
cpuinfo:
processor : 0, vendor_id : GenuineIntel, cpu family : 15, model : 2, model name : Intel(R) Celeron(R) CPU 2.70GHz, stepping : 9, cpu MHz : 2694.311, cache size : 128 KB, fdiv_bug : no, hlt_bug : no, f00f_bug : no, coma_bug : no, fpu : yes, fpu_exception : yes, cpuid level : 2, wp : yes, flags : fpu vme de pse tsc msr pae mce cx8 mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe cid, bogomips : 5324.80, ,

/dev/dvd -> hdc
Valid DVD devices: /dev/hdc
hdparm v5.5
DMA is on for /dev/hdc

/dev/hdc:
 IO_support   =  0 (default 16-bit)
 unmaskirq    =  0 (off)
 using_dma    =  1 (on)
 keepsettings =  0 (off)
 readonly     =  0 (off)
 readahead    = 256 (on)
Note[ogle_ctrl]: ogle 0.9.2
Debug[ogle_ctrl]: Started /usr/lib/ogle/ogle_gui with pid 3421
WARNING[dvd_gui]: add_keybinding(): No such action: 'SaveScreenshot'
WARNING[dvd_gui]: add_keybinding(): No such action: 'SaveScreenshotWithSPU'
Debug[ogle_ctrl]: Started /usr/lib/ogle/ogle_nav with pid 3422
Debug[ogle_ctrl]: Started /usr/lib/ogle/ogle_mpeg_ps with pid 3423
Debug[ogle_ctrl]: Started /usr/lib/ogle/ogle_vout with pid 3424
Debug[ogle_vout]: CLK_TCK: 100
Debug[ogle_nav]: Opening DVD at "/dev/dvd"
libdvdread: Using libdvdcss version 1.2.8 for DVD access
libdvdcss debug: opening target `/dev/dvd'
libdvdcss debug: using libc for access
libdvdcss debug: disc is scrambled
libdvdcss debug: requesting AGID
libdvdcss debug: drive authenticated, using variant 0
libdvdcss debug: authentication established
libdvdcss debug: GetASF authenticated, ASF=1
libdvdcss debug: decrypting disc key with player keys
libdvdcss debug: decrypted disc key is 6a:cb:11:d3:bf
libdvdcss debug: using CSS key cache dir: /home/jenny/.dvdcss/TERMINAL#2004100618010800/
libdvdcss error: seek error
libdvdread: Can't seek to block 3596016
libdvdread: DVDDiscId read returned 0 bytes, wanted 18432
Debug[ogle_nav]: play_PGC: first_play_pgc
Debug[ogle_nav]: play_PGC: state.pgcN (2)
Debug[ogle_nav]: play_PGC: state.pgcN (4)
Debug[ogle_nav]: play_PGC: state.pgcN (21)
Debug[ogle_nav]: play_PGC: state.pgcN (24)
Debug[ogle_nav]: play_PGC: state.pgcN (25)
Debug[ogle_nav]: play_PGC: state.pgcN (19)
Debug[ogle_nav]: play_PGC: state.pgcN (1)
Debug[ogle_nav]: PGC pre commands didn't do a Jump, Link or Call
Debug[ogle_nav]: play_PG: state.pgN (1)
Debug[ogle_nav]: play_Cell: state.cellN (1)
Debug[ogle_nav]: sending subp demuxstream 31
libdvdread: Using libdvdcss version 1.2.8 for DVD access
libdvdcss debug: opening target `/dev/dvd'
libdvdcss debug: using libc for access
libdvdcss debug: disc is scrambled
libdvdcss debug: requesting AGID
libdvdcss debug: drive authenticated, using variant 0
libdvdcss debug: authentication established
libdvdcss debug: GetASF authenticated, ASF=1
libdvdcss debug: decrypting disc key with player keys
libdvdcss debug: decrypted disc key is 6a:cb:11:d3:bf
libdvdcss debug: using CSS key cache dir: /home/jenny/.dvdcss/TERMINAL#2004100618010800/

libdvdread: Attempting to retrieve all CSS keys
libdvdread: This can take a _long_ time, please be patient

libdvdread: Get key for /VIDEO_TS/VIDEO_TS.VOB at 0x00000162
libdvdcss debug: key found in cache
libdvdread: Elapsed time 1
libdvdread: Get key for /VIDEO_TS/VTS_01_0.VOB at 0x00000238
libdvdcss debug: key found in cache
libdvdread: Elapsed time 0
libdvdread: Get key for /VIDEO_TS/VTS_01_1.VOB at 0x000002f3
libdvdcss debug: key found in cache
libdvdread: Elapsed time 0
libdvdread: Get key for /VIDEO_TS/VTS_02_0.VOB at 0x000010e9
libdvdcss debug: key found in cache
libdvdread: Elapsed time 0
libdvdread: Get key for /VIDEO_TS/VTS_02_1.VOB at 0x00001324
libdvdcss debug: key found in cache
libdvdread: Elapsed time 0
libdvdread: Get key for /VIDEO_TS/VTS_03_0.VOB at 0x000014db
libdvdcss debug: key found in cache
libdvdread: Elapsed time 0
libdvdread: Get key for /VIDEO_TS/VTS_03_1.VOB at 0x00001596
libdvdcss debug: key found in cache
libdvdread: Elapsed time 0
libdvdread: Get key for /VIDEO_TS/VTS_04_0.VOB at 0x00001c3c
libdvdcss debug: key found in cache
libdvdread: Elapsed time 0
libdvdread: Get key for /VIDEO_TS/VTS_04_1.VOB at 0x00001db2
libdvdcss debug: key found in cache
libdvdread: Elapsed time 0
libdvdread: Get key for /VIDEO_TS/VTS_05_0.VOB at 0x00003db8
libdvdcss debug: key found in cache
libdvdread: Elapsed time 0
libdvdread: Get key for /VIDEO_TS/VTS_05_1.VOB at 0x00003e93
libdvdcss debug: key found in cache
libdvdread: Elapsed time 0
libdvdread: Get key for /VIDEO_TS/VTS_06_0.VOB at 0x00003eba
libdvdcss debug: key found in cache
libdvdread: Elapsed time 0
libdvdread: Get key for /VIDEO_TS/VTS_06_1.VOB at 0x00003f75
libdvdcss debug: key found in cache
libdvdread: Elapsed time 0
libdvdread: Get key for /VIDEO_TS/VTS_07_0.VOB at 0x000040e7
libdvdcss debug: key found in cache
libdvdread: Elapsed time 0
libdvdread: Get key for /VIDEO_TS/VTS_07_1.VOB at 0x000041a2
libdvdcss debug: key found in cache
libdvdread: Elapsed time 0
libdvdread: Get key for /VIDEO_TS/VTS_08_0.VOB at 0x000044b3
libdvdcss debug: key found in cache
libdvdread: Elapsed time 0
libdvdread: Get key for /VIDEO_TS/VTS_08_1.VOB at 0x00024843
libdvdcss debug: key found in cache
libdvdread: Elapsed time 0
libdvdread: Get key for /VIDEO_TS/VTS_09_0.VOB at 0x0036def9
libdvdcss debug: key found in cache
libdvdread: Elapsed time 0
libdvdread: Get key for /VIDEO_TS/VTS_09_1.VOB at 0x0036dfb4
libdvdcss debug: key found in cache
libdvdread: Elapsed time 0
libdvdread: Get key for /VIDEO_TS/VTS_10_0.VOB at 0x0036e18d
libdvdcss debug: key found in cache
libdvdread: Elapsed time 0
libdvdread: Get key for /VIDEO_TS/VTS_10_1.VOB at 0x0036e248
libdvdcss debug: key found in cache
libdvdread: Elapsed time 0
libdvdread: Get key for /VIDEO_TS/VTS_11_0.VOB at 0x0036e8ef
libdvdcss debug: key found in cache
libdvdread: Elapsed time 0
libdvdread: Get key for /VIDEO_TS/VTS_11_1.VOB at 0x0036e9aa
libdvdcss debug: key found in cache
libdvdread: Elapsed time 0
libdvdread: Get key for /VIDEO_TS/VTS_12_0.VOB at 0x0036f10b
libdvdcss debug: key found in cache
libdvdread: Elapsed time 0
libdvdread: Get key for /VIDEO_TS/VTS_12_1.VOB at 0x0036f1c6
libdvdcss debug: key found in cache
libdvdread: Elapsed time 0
libdvdread: Found 12 VTS's
libdvdread: Elapsed time 1
Debug[ogle_ctrl]: _new stream bf, 0
Debug[ogle_ctrl]: _new stream e0, 0
Debug[ogle_ctrl]: Started /usr/lib/ogle/ogle_mpeg_vs with pid 3426
Debug[ogle_mpeg_vs]: Using MMX accelerated media functions
Debug[ogle_mpeg_vs]: ## req cap
Debug[ogle_mpeg_vs]: got cap and stream
Debug[ogle_ctrl]: _new stream bd, 80
Debug[ogle_ctrl]: Started /usr/lib/ogle/ogle_audio with pid 3427
Debug[ogle_mpeg_vs]: get ouput buffer
Debug[ogle_ctrl]: got capability video_out
Debug[ogle_mpeg_vs]: horizontal_size: 720, vertical_size: 480
Debug[ogle_mpeg_vs]: padded_width: 720, padded_height: 480
Debug[ogle_mpeg_vs]: frame rate: 30000/1001 (29.97)
Debug[ogle_mpeg_vs]: time offset not valid yet
WARNING[ogle_mpeg_vs]: B-frame before forward ref frame
Debug[ogle_mpeg_vs]: time offset not valid yet
WARNING[ogle_mpeg_vs]: B-frame before forward ref frame
Xscreensaver not running.
Note[ogle_vout]: using default config for ':0.0'
Note[ogle_vout]: Using 'X11' as source for geometry
Note[ogle_vout]: Xinerama extension not found/active
Note[ogle_vout]: Using 'XF86VidMode' as source for resolution
Note[ogle_vout]: Display w: 347, h: 260, hp: 1024, vp: 768
Note[ogle_vout]: Display sar: 266240/266496 = 0.999039
Note[ogle_vout]: Found 4 matching visuals, using visual id: 22
Note[ogle_vout]: Found Xv extension 2.2, checking for suitable adaptors
Note[ogle_vout]: Xv adaptor "SIS 300/315/330 series Video Overlay" port 56 image format 842094169
Debug[ogle_vout]: resize: 852, 480
Debug[ogle_vout]: set_sync_point()
Debug[ogle_vout]: resize: 852, 480
!!#!!No accelerated IMDCT transform found
Debug[ogle_audio]: decode_a52: found sync
Debug[ogle_audio]: Searching <speakers> for:
Debug[ogle_audio]:  'Left' 'Right'
Debug[ogle_audio]: or for:
Debug[ogle_audio]:  'AC3'
Debug[ogle_audio]: No channel configs found
Note[ogle_audio]: Using audio driver 'alsa'
Debug[ogle_audio]: Opening alsa pcm device: default
Debug[ogle_audio]: Min channels: 1
Debug[ogle_audio]: Max channels: 10000
Debug[ogle_audio]: Channels: 2
Debug[ogle_audio]: Wanted buffer time 500000, got 341333
Debug[ogle_audio]: Buffer size 16384 frames
Debug[ogle_audio]: Period time: 10666 us
Debug[ogle_audio]: Period size: 512 frames
Debug[ogle_audio]: Stream parameters are 48000 Hz, S16_LE, 2 channels, sample size: 4
Note[ogle_audio]: wanted 0 channels, got 2
Debug[ogle_audio]: channels 2, encoding 1, resolution 16
Debug[ogle_audio]: byte order 1, rate 48000
Debug[ogle_audio]: fragments -1, size 4096
Debug[ogle_audio]: 2 channels decoded:  Left Right
+Note[ogle_audio]: delay resolution better than: 0.004999920, 240 samples, rate: 48000
display: frame rate: 0.000 fps
display: frame rate: 29.969 fps
display: frame rate: 29.966 fps
Debug[ogle_ctrl]: child: 3424 killed (/usr/lib/ogle/ogle_vout)
Debug[ogle_ctrl]: pid: 3424 terminated on signal: 13 (/usr/lib/ogle/ogle_vout)
Debug[ogle_ctrl]: child: 3422 killed (/usr/lib/ogle/ogle_nav)
Debug[ogle_ctrl]: pid: 3422 terminated on signal: 2 (/usr/lib/ogle/ogle_nav)
Debug[ogle_ctrl]: child: 3421 killed (/usr/lib/ogle/ogle_gui)
Debug[ogle_ctrl]: pid: 3421 terminated on signal: 2 (/usr/lib/ogle/ogle_gui)
Debug[ogle_ctrl]: slaying child: 3423 /usr/lib/ogle/ogle_mpeg_ps
Debug[ogle_ctrl]: slaying child: 3426 /usr/lib/ogle/ogle_mpeg_vs
Debug[ogle_ctrl]: slaying child: 3427 /usr/lib/ogle/ogle_audio
Debug[ogle_ctrl]: removing shmid: 1703967
Debug[ogle_ctrl]: removing shmid: 1769505
Debug[ogle_ctrl]: removing shmid: 1802274
Debug[ogle_ctrl]: removing shmid: 1835043
Debug[ogle_ctrl]: removing shmid: 1867812
Debug[ogle_ctrl]: removing shmid: 1900581
Debug[ogle_ctrl]: removing shmid: 1933350
Note[ogle_ctrl]: exiting