apt升级内核后光驱不见了？？？

hfcmit

升级到2.6.15内核后笔记本光驱找不到，在/dev/下没有hd* and cdrom
lsmod | grep cdrom
cdrom                  33280  1 ide_cd

/var/log/syslog日志
Jun 19 17:28:19 Debian kernel: SCSI subsystem initialized
Jun 19 17:28:19 Debian kernel: libata version 1.20 loaded.
Jun 19 17:28:19 Debian kernel: ata_piix 0000:00:1f.2: version 1.05
Jun 19 17:28:19 Debian kernel: PCI: Setting latency timer of device 0000:00:1f.2 to 64
Jun 19 17:28:19 Debian kernel: ata1: SATA max UDMA/133 cmd 0x1F0 ctl 0x3F6 bmdma 0x18C0 irq 14
Jun 19 17:28:19 Debian kernel: ata1: dev 0 cfg 49:0f00 82:746b 83:5be9 84:6003 85:f469 86:1849 87:6003 88:203f
Jun 19 17:28:19 Debian kernel: ata1: dev 0 ATA-6, max UDMA/100, 156301488 sectors: LBA
Jun 19 17:28:19 Debian kernel: ata1(0): applying bridge limits
Jun 19 17:28:19 Debian kernel: ata1: dev 0 configured for UDMA/100
Jun 19 17:28:19 Debian kernel: scsi0 : ata_piix
Jun 19 17:28:19 Debian kernel:   Vendor: ATA       Model: HTS541080G9AT00   Rev: MB4I
Jun 19 17:28:19 Debian kernel:   Type:   Direct-Access                      ANSI SCSI revision: 05
Jun 19 17:28:19 Debian kernel: ata2: SATA max UDMA/133 cmd 0x170 ctl 0x376 bmdma 0x18C8 irq 15
Jun 19 17:28:19 Debian kernel: ata2: dev 0 cfg 49:0b00 82:0000 83:0000 84:0000 85:0000 86:0000 87:0000 88:0407
Jun 19 17:28:19 Debian kernel: ata2: dev 0 ATAPI, max UDMA/33
Jun 19 17:28:19 Debian kernel: ata2(0): applying bridge limits
Jun 19 17:28:19 Debian kernel: ata2: dev 0 configured for UDMA/33
Jun 19 17:28:19 Debian kernel: scsi1 : ata_piix
[color="Red"]Jun 19 17:28:19 Debian kernel: ata2(0): WARNING: ATAPI is disabled, device ignored.  这个怎么回事？？？
Jun 19 17:28:19 Debian kernel: SCSI device sda: 156301488 512-byte hdwr sectors (80026 MB)
Jun 19 17:28:19 Debian kernel: SCSI device sda: drive cache: write back
Jun 19 17:28:19 Debian kernel: SCSI device sda: 156301488 512-byte hdwr sectors (80026 MB)
Jun 19 17:28:19 Debian kernel: SCSI device sda: drive cache: write back
Jun 19 17:28:19 Debian kernel:  sda: sda1 sda2 < sda5 sda6 sda7 sda8 > sda3
Jun 19 17:28:19 Debian kernel: sd 0:0:0:0: Attached scsi disk sda

mknod hdc 无效。
回到2.6.12后正常。
请问大家怎们办呀？