sbpcd weird working

Horvath Karoly (rh@hold.sch.bme.hu)
Tue, 5 Jan 1999 14:12:15 +0100


I have a CD with full of mp3 tracks and it has some bad sectors.
It has an mp3 file, which a could not read in any cdroms.
The sbpcd driver prints the following errors:

Jan 4 11:23:09 hold kernel: sbpcd-0 [05]: sbp_data: CDi_status loop expired.
Jan 4 11:23:09 hold kernel: sbpcd-0 [06]: sbp_data: CDi_status timeout (timed_out_data) (F3).
Jan 4 11:23:09 hold kernel: sbpcd-0 [07]: sbp_data: RESULT_READY where DATA_READY awaited (F3).
Jan 4 11:23:10 hold kernel: sbpcd-0 [08]: sbp_data: DATA_READY timeout (F7).
Jan 4 11:23:10 hold kernel: sbpcd-0 [09]: sbp_data: read aborted by drive.
Jan 4 11:23:13 hold kernel: sbpcd-0 [10]: !st_diskok detected - retrying.
Jan 4 11:23:13 hold kernel: sbpcd-0 [11]: !st_diskok detected - retrying.
Jan 4 11:23:13 hold kernel: sbpcd-0 [12]: !st_diskok detected - retrying.
Jan 4 11:23:13 hold kernel: sbpcd-0 [13]: sbp_status: failed after 3 tries in line 4897
Jan 4 11:23:13 hold kernel: end_request: I/O error, dev 19:00 (Matsushita CD-ROM controller #1), sector 1323596

But two days before happened a weird thing - the driver started to pouring
error messages like this when I played some of the files:

Jan 3 23:37:13 hold kernel: sbpcd-0 [27]: requested frame 322387, CD size 314270 ???
Jan 3 23:37:14 hold kernel: sbpcd-0 [28]: requested frame 322388, CD size 314270 ???
Jan 3 23:37:14 hold kernel: sbpcd-0 [29]: requested frame 320805, CD size 314270 ???
Jan 3 23:37:14 hold kernel: sbpcd-0 [30]: requested frame 320806, CD size 314270 ???
Jan 3 23:37:14 hold kernel: sbpcd-0 [31]: requested frame 320807, CD size 314270 ???
Jan 3 23:37:14 hold kernel: sbpcd-0 [32]: requested frame 320808, CD size 314270 ???
Jan 3 23:37:14 hold kernel: sbpcd-0 [33]: requested frame 320809, CD size 314270 ???
Jan 3 23:37:14 hold kernel: sbpcd-0 [34]: requested frame 320810, CD size 314270 ???
Jan 3 23:37:14 hold kernel: sbpcd-0 [35]: requested frame 320811, CD size 314270 ???
Jan 3 23:37:14 hold kernel: sbpcd-0 [36]: requested frame 320812, CD size 314270 ???
...
..

And it played the bad mp3 file without any problems!!!

-- 
	                                         [:)]  Rh  [:)]
						 Tehenke Alapitvany TM

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