Public bug reported:

Binary package hint: linux-source-2.6.22

Theres no node like:
/dev/scd0
/dev/sr
or other cd/dvd-related /dev/???s

I've googled around, both in launchpad and elsewhere, it looks like
someone "fixes" this with booting with acpi=off.

I've tried manually load sr_mod, but it makes no difference.

Here's something from lspci:
00:1d.2 USB Controller: Intel Corporation 82801G (ICH7 Family) USB UHCI #3 (rev 
02)
00:1d.3 USB Controller: Intel Corporsr_modation 82801G (ICH7 Family) USB UHCI 
#4 (rev 02)
00:1d.7 USB Controller: Intel Corporation 82801G (ICH7 Family) USB2 EHCI 
Controller (rev 02)
00:1e.0 PCI bridge: Intel Corporation 82801 Mobile PCI Bridge (rev e2)
00:1f.0 ISA bridge: Intel Corporation 82801GBM (ICH7-M) LPC Interface Bridge 
(rev 02)
00:1f.2 IDE interface: Intel Corporation 82801GBM/GHM (ICH7 Family) Serial ATA 
Storage Controller IDE (rev 02)
00:1f.3 SMBus: Intel Corporation 82801G (ICH7 Family) SMBus Controller (rev 02)
01:00.0 VGA compatible controller: ATI Technologies Inc Radeon Mobility X1400
02:00.0 Ethernet controller: Broadcom Corporation NetLink BCM5789 Gigabit 
Ethernet PCI Express (rev 21)
03:00.0 Network controller: Intel Corporation PRO/Wireless 3945ABG Network 
Connection (rev 02)
0a:06.0 CardBus bridge: Texas Instruments PCIxx12 Cardbus Controller

Here's something from dmesg:
[    4.824000] ata_piix 0000:00:1f.2: version 2.11
[    4.824000] ata_piix 0000:00:1f.2: MAP [ P0 P2 IDE IDE ]
[    4.824000] ACPI: PCI Interrupt 0000:00:1f.2[B] -> GSI 19 (level, low) -> IRQ
 21
[    4.824000] PCI: Setting latency timer of device 0000:00:1f.2 to 64
[    4.824000] scsi0 : ata_piix
[    4.824000] scsi1 : ata_piix
[    4.824000] ata1: SATA max UDMA/133 cmd 0x000101f0 ctl 0x000103f6 bmdma 0x000
118b0 irq 14
[    4.824000] ata2: PATA max UDMA/100 cmd 0x00010170 ctl 0x00010376 bmdma 0x000
118b8 irq 15
[    4.988000] ata1.00: ata_hpa_resize 1: sectors = 195371568, hpa_sectors = 195
371568
[    4.988000] ata1.00: ATA-7: HTS541010G9SA00, MBZOC60D, max UDMA/100
[    4.988000] ata1.00: 195371568 sectors, multi 16: LBA48 NCQ (not used)
[    5.000000] Clocksource tsc unstable (delta = -252424928 ns)
[    5.004000] ata1.00: ata_hpa_resize 1: sectors = 195371568, hpa_sectors = 195
371568
[    5.004000] ata1.00: configured for UDMA/100
[    5.164000] ATA: abnormal status 0x7F on port 0x00010177
[    5.176000] scsi 0:0:0:0: Direct-Access     ATA      HTS541010G9SA00  MBZO PQ
: 0 ANSI: 5
[    5.176000] tg3.c:v3.77 (May 31, 2007)
[    5.176000] ACPI: PCI Interrupt 0000:02:00.0[A] -> GSI 16 (level, low) -> IRQ
 16
[    5.176000] PCI: Setting latency timer of device 0000:02:00.0 to 64
[    5.188000] sd 0:0:0:0: [sda] 195371568 512-byte hardware sectors (100030 MB)
[    5.188000] sd 0:0:0:0: [sda] Write Protect is off
[    5.188000] sd 0:0:0:0: [sda] Mode Sense: 00 3a 00 00
[    5.188000] sd 0:0:0:0: [sda] Write cache: enabled, read cache: enabled, does
n't support DPO or FUA
[    5.188000] sd 0:0:0:0: [sda] 195371568 512-byte hardware sectors (100030 MB)
[    5.188000] sd 0:0:0:0: [sda] Write Protect is off
[    5.188000] sd 0:0:0:0: [sda] Mode Sense: 00 3a 00 00
[    5.188000] sd 0:0:0:0: [sda] Write cache: enabled, read cache: enabled, does
n't support DPO or FUA
[    5.188000] sd 0:0:0:0: [sda] 195371568 512-byte hardware sectors (100030 MB)
[    5.188000] sd 0:0:0:0: [sda] Write Protect is off
[    5.188000] sd 0:0:0:0: [sda] Mode Sense: 00 3a 00 00
[    5.188000] sd 0:0:0:0: [sda] Write cache: enabled, read cache: enabled, does
n't support DPO or FUA
[    5.188000]  sda:<6>eth0: Tigon3 [partno(BCM95789) rev 4201 PHY(5750)] (PCI E
xpress) 10/100/1000Base-T Ethernet 00:0a:e4:f4:3c:75
[    5.220000] eth0: RXcsums[1] LinkChgREG[0] MIirq[0] ASF[0] WireSpeed[1] TSOca
p[1]
[    5.220000] eth0: dma_rwctrl[76180000] dma_mask[64-bit]
[    5.552000]  sda1 < sda5 sda6 sda7 sda8 sda9 sda10 > sda2 sda3 sda4
[    5.664000] sd 0:0:0:0: [sda] Attached SCSI disk
[    5.668000] sd 0:0:0:0: Attached scsi generic sg0 type 0
[    5.980000] ieee1394: Host added: ID:BUS[0-00:1023]  GUID[000ae40603600d4d]

** Affects: linux-source-2.6.22 (Ubuntu)
     Importance: Undecided
         Status: New

-- 
CD/DVD-rw will not work in Gutsy - SATA/acpi-problem?
https://bugs.launchpad.net/bugs/123633
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