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[ubuntu] optical drive errors

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http://ubuntuforums.org – Nothing mission critical here, but a pretty annoying problem I've been having since the karmic beta. I've seen bug listings describing what I have been seeing but nothing identical, and all the proposed fixes have not been successful. My problem is this: Code: [15691.852615] ata3.00: status: { DRDY ERR } [15691.852625] ata3: hard resetting link [15692.382536] ata3: softreset failed (device not ready) [15692.382545] ata3: applying SB600 PMP SRST workaround and retrying [15692.562553] ata3: SATA link up 1.5 Gbps (SStatus 113 SControl 310) [15692.577454] ata3.00: SB600 AHCI: limiting to 255 sectors per cmd [15692.593301] ata3.00: SB600 AHCI: limiting to 255 sectors per cmd [15692.593307] ata3.00: configured for PIO0 [15692.593865] ata3: EH complete [15697.812542] ata3.00: qc timeout (cmd 0xa0) [15697.812573] ata3.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x6 frozen [15697.812581] ata3.00: irq_stat 0x40000001 [15697.812601] ata3.00: cmd a0/00:00:00:00:00/00:00:00:00:00/a0 tag 0 [15697.812604]          cdb 00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00 [15697.812607]          res 51/20:03:00:00:00/00:00:00:00:00/a0 Emask 0x5 (timeout) This plugs up my dmesg output and I have problems seeing usb connects, disconnects, etc. It also appears in my tty's, just randomly making any output unreadable. I'm pretty sure this has to do with my dvd-rw drive on my laptop. edit: also worth noting, this doesn't happen when there is a disk present in the drive, otherwise it happens every 3 seconds. hardware(acer aspire 5515): Code: footop                        description: Computer     width: 64 bits     capabilities: vsyscall64 vsyscall32   *-core       description: Motherboard       physical id: 0     *-memory           description: System memory           physical id: 0           size: 4896MiB     *-cpu           product: AMD Athlon(tm) Dual Core Processor 5050e           vendor: Advanced Micro Devices [AMD]           physical id: 1           bus info: cpu@0           size: 2600MHz           capacity: 2600MHz           width: 64 bits           capabilities: fpu fpu_exception wp vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 ht syscall nx mmxext fxsr_opt rdtscp x86-64 3dnowext 3dnow rep_good extd_apicid pni cx16 lahf_lm cmp_legacy svm extapic cr8_legacy 3dnowprefetch cpufreq     *-pci:0           description: Host bridge           product: RS690 Host Bridge           vendor: ATI Technologies Inc           physical id: 100           bus info: pci@0000:00:00.0           version: 00           width: 32 bits           clock: 66MHz           configuration: latency=64         *-pci:0             description: PCI bridge             product: RS690 PCI to PCI Bridge (Internal gfx)             vendor: ATI Technologies Inc             physical id: 1             bus info: pci@0000:00:01.0             version: 00             width: 32 bits             clock: 66MHz             capabilities: pci bus_master cap_list             resources: ioport:9000(size=4096) memory:f0000000-f01fffff ioport:d0000000(size=268435456)           *-display                 description: VGA compatible controller                 product: RS690M [Radeon X1200 Series]                 vendor: ATI Technologies Inc                 physical id: 5                 bus info: pci@0000:01:05.0                 version: 00                 width: 64 bits                 clock: 33MHz                 capabilities: bus_master cap_list rom                 configuration: driver=radeon latency=64                 resources: irq:18 memory:d0000000-dfffffff(prefetchable) memory:f0100000-f010ffff ioport:9400(size=256) memory:f0000000-f00fffff         *-pci:1             description: PCI bridge             product: RS690 PCI to PCI Bridge (PCI Express Port 2)             vendor: ATI Technologies Inc             physical id: 6             bus info: pci@0000:00:06.0             version: 00             width: 32 bits             clock: 33MHz             capabilities: pci bus_master cap_list             configuration: driver=pcieport-driver             resources: irq:24 memory:f0200000-f02fffff           *-network                 description: Wireless interface                 product: AR5001 Wireless Network Adapter                 vendor: Atheros Communications Inc.                 physical id: 0                 bus info: pci@0000:02:00.0                 logical name: wmaster0                 version: 01                 serial: 00:15:af:76:c6:ab                 width: 64 bits                 clock: 33MHz                 capabilities: bus_master cap_list logical ethernet physical wireless                 configuration: broadcast=yes driver=ath5k ip=192.168.1.119 latency=0 multicast=yes wireless=IEEE 802.11bg                 resources: irq:18 memory:f0200000-f020ffff         *-pci:2             description: PCI bridge             product: RS690 PCI to PCI Bridge (PCI Express Port 3)             vendor: ATI Technologies Inc             physical id: 7             bus info: pci@0000:00:07.0             version: 00             width: 32 bits             clock: 33MHz             capabilities: pci bus_master cap_list             configuration: driver=pcieport-driver             resources: irq:25 ioport:a000(size=4096) memory:ce000000-ce0fffff ioport:cfd00000(size=1048576)           *-network                 description: Ethernet interface                 product: RTL8101E/RTL8102E PCI Express Fast Ethernet controller                 vendor: Realtek Semiconductor Co., Ltd.                 physical id: 0                 bus info: pci@0000:05:00.0                 logical name: eth0                 version: 02                 serial: 00:1e:ec:dd:43:40                 width: 64 bits                 clock: 33MHz                 capabilities: bus_master cap_list rom ethernet physical                 configuration: broadcast=yes driver=r8169 driverversion=2.3LK-NAPI latency=0 multicast=yes                 resources: irq:26 ioport:a400(size=256) memory:cfdef000-cfdeffff(prefetchable) memory:cfdf0000-cfdfffff(prefetchable) memory:cfd00000-cfd1ffff(prefetchable)         *-storage             description: SATA controller             product: SB600 Non-Raid-5 SATA             vendor: ATI Technologies Inc             physical id: 12             bus info: pci@0000:00:12.0             version: 00             width: 32 bits             clock: 66MHz             capabilities: storage bus_master cap_list             configuration: driver=ahci latency=64             resources: irq:22 ioport:8440(size=8) ioport:8434(size=4) ioport:8438(size=8) ioport:8430(size=4) ioport:8400(size=16) memory:f0507000-f05073ff         *-usb:0             description: USB Controller             product: SB600 USB (OHCI0)             vendor: ATI Technologies Inc             physical id: 13             bus info: pci@0000:00:13.0             version: 00             width: 32 bits             clock: 66MHz             capabilities: bus_master             configuration: driver=ohci_hcd latency=64             resources: irq:16 memory:f0504000-f0504fff         *-usb:1             description: USB Controller             product: SB600 USB (OHCI1)             vendor: ATI Technologies Inc             physical id: 13.1             bus info: pci@0000:00:13.1             version: 00             width: 32 bits             clock: 66MHz             capabilities: bus_master             configuration: driver=ohci_hcd latency=64             resources: irq:17 memory:f0505000-f0505fff         *-usb:2             description: USB Controller             product: SB600 USB (OHCI4)             vendor: ATI Technologies Inc             physical id: 13.4             bus info: pci@0000:00:13.4             version: 00             width: 32 bits             clock: 66MHz             capabilities: bus_master             configuration: driver=ohci_hcd latency=64             resources: irq:18 memory:f0506000-f0506fff         *-usb:3             description: USB Controller             product: SB600 USB Controller (EHCI)             vendor: ATI Technologies Inc             physical id: 13.5             bus info: pci@0000:00:13.5             version: 00             width: 32 bits             clock: 66MHz             capabilities: bus_master cap_list             configuration: driver=ehci_hcd latency=64             resources: irq:19 memory:f0507400-f05074ff         *-serial             description: SMBus             product: SBx00 SMBus Controller             vendor: ATI Technologies Inc             physical id: 14             bus info: pci@0000:00:14.0             version: 14             width: 32 bits             clock: 66MHz             capabilities: cap_list             configuration: driver=piix4_smbus latency=0             resources: irq:0 ioport:8410(size=16)         *-ide             description: IDE interface             product: SB600 IDE             vendor: ATI Technologies Inc             physical id: 14.1             bus info: pci@0000:00:14.1             version: 00             width: 32 bits             clock: 66MHz             capabilities: ide bus_master             configuration: driver=pata_atiixp latency=64             resources: irq:16 ioport:1f0(size=8) ioport:3f6 ioport:170(size=8) ioport:376 ioport:8420(size=16)         *-multimedia             description: Audio device             product: SBx00 Azalia (Intel HDA)             vendor: ATI Technologies Inc             physical id: 14.2             bus info: pci@0000:00:14.2             version: 00             width: 64 bits             clock: 33MHz             capabilities: bus_master cap_list             configuration: driver=HDA Intel latency=64             resources: irq:16 memory:f0500000-f0503fff         *-isa             description: ISA bridge             product: SB600 PCI to LPC Bridge             vendor: ATI Technologies Inc             physical id: 14.3             bus info: pci@0000:00:14.3             version: 00             width: 32 bits             clock: 66MHz             capabilities: isa bus_master             configuration: latency=0         *-pci:3             description: PCI bridge             product: SBx00 PCI to PCI Bridge             vendor: ATI Technologies Inc             physical id: 14.4             bus info: pci@0000:00:14.4             version: 00             width: 32 bits             clock: 66MHz             capabilities: pci bus_master     *-pci:1           description: Host bridge           product: K8 [Athlon64/Opteron] HyperTransport Technology Configuration           vendor: Advanced Micro Devices [AMD]           physical id: 101           bus info: pci@0000:00:18.0           version: 00           width: 32 bits           clock: 33MHz     *-pci:2           description: Host bridge           product: K8 [Athlon64/Opteron] Address Map           vendor: Advanced Micro Devices [AMD]           physical id: 102           bus info: pci@0000:00:18.1           version: 00           width: 32 bits           clock: 33MHz     *-pci:3           description: Host bridge           product: K8 [Athlon64/Opteron] DRAM Controller           vendor: Advanced Micro Devices [AMD]           physical id: 103           bus info: pci@0000:00:18.2           version: 00           width: 32 bits           clock: 33MHz     *-pci:4           description: Host bridge           product: K8 [Athlon64/Opteron] Miscellaneous Control           vendor: Advanced Micro Devices [AMD]           physical id: 104           bus info: pci@0000:00:18.3           version: 00           width: 32 bits           clock: 33MHz           configuration: driver=k8temp           resources: irq:0   *-scsi       physical id: 1       bus info: scsi@8       logical name: scsi8       capabilities: scsi-host       configuration: driver=usb-storage             512K If anyone has any idea how to solve this annoyance, I would very much appreciate it. Thanks for the help, Austin Tinius (Hardware)