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Old 06-22-2006, 05:47 AM   #1
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Registered: May 2006
Distribution: LFS
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ATAPI cdrom fails on certain mediums?

i've been pulling my hair out for the last few hours.

ide1 at 0x170-0x177,0x376 on irq 15
hdd: ATAPI 48X DVD-ROM CD-R/RW drive, 1536kB Cache, UDMA(33)
Uniform CD-ROM driver Revision: 3.20
i just received an audio cd (emma shapplin's eterna ) that doesn't play in my cdrom drive, in fact, you can't do anything when it's in my cdrom drive.

Jun 22 06:24:19 localhost kernel: ide-cd: cmd 0x25 timed out
Jun 22 06:24:19 localhost kernel: hdd: irq timeout: status=0xd0 { Busy }
Jun 22 06:24:19 localhost kernel: ide: failed opcode was: unknown
Jun 22 06:24:19 localhost kernel: hdd: ATAPI reset complete
^ that is what happens when you try to play the cd, or when you try to use hdparm to check settings. it just hangs, repeating those messages in my log. if i pop out the cd during this loop, the command goes through fine and the appropriate output is displayed

hdparm -I /dev/hdd:
ATAPI CD-ROM, with removable media
        Model Number:       LITE-ON COMBO SOHC-4836K                
        Serial Number:      2005081800010246    
        Firmware Revision:  SPK2    
        Used: ATAPI for CD-ROMs, SFF-8020i, r2.5
        Supported: CD-ROM ATAPI-2 
        DRQ response: 50us.
        Packet size: 12 bytes
        LBA, IORDY(cannot be disabled)
        DMA: mdma0 mdma1 mdma2 udma0 udma1 *udma2 
             Cycle time: min=120ns recommended=120ns
        PIO: pio0 pio1 pio2 pio3 pio4 
             Cycle time: no flow control=227ns  IORDY flow control=120ns
hdparm -i /dev/hdd:
 Model=LITE-ON COMBO SOHC-4836K, FwRev=SPK2, SerialNo=2005081800010246
 Config={ Fixed Removeable DTR<=5Mbs DTR>10Mbs nonMagnetic }
 RawCHS=0/0/0, TrkSize=0, SectSize=0, ECCbytes=0
 BuffType=unknown, BuffSize=0kB, MaxMultSect=0
 (maybe): CurCHS=0/0/0, CurSects=0, LBA=yes, LBAsects=0
 IORDY=yes, tPIO={min:227,w/IORDY:120}, tDMA={min:120,rec:120}
 PIO modes:  pio0 pio1 pio2 pio3 pio4 
 DMA modes:  mdma0 mdma1 mdma2 
 UDMA modes: udma0 udma1 *udma2 
 Drive conforms to: Unspecified:  ATA/ATAPI-5

 * signifies the current active mode
the odd thing is, it only happens with this audio cd. any data cd i put in there works fine.

is there something with copyright protection not letting my cdrom initially settle on the cd? is there a workaround for this? am i missing something completely

any help would be appreciated, thanks in advance

Last edited by shievelet; 06-22-2006 at 06:26 AM.
Old 06-23-2006, 02:25 AM   #2
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Registered: May 2006
Distribution: LFS
Posts: 18

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i thought maybe switching from kernel config ide-cd to ide-scsi emulation would do the trick somehow, but no go


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