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    Subject[2.6.14] ATAPI DVD no longer found
    Date

    Hardware is a Thinkpad R40, Debian sarge with -linus kernel.

    2.6.13: works, no parameters for IDE given. dmesg concerning ide as follows:

    Nov 10 21:20:41 hermes kernel: ide: Assuming 33MHz system bus speed for PIO modes; override with idebus=xx
    Nov 10 21:20:41 hermes kernel: ICH4: IDE controller at PCI slot 0000:00:1f.1
    Nov 10 21:20:41 hermes kernel: PCI: Enabling device 0000:00:1f.1 (0005 -> 0007)
    Nov 10 21:20:41 hermes kernel: ACPI: PCI Interrupt Link [LNKC] enabled at IRQ 11
    Nov 10 21:20:41 hermes kernel: ACPI: PCI Interrupt 0000:00:1f.1[A] -> Link [LNKC] -> GSI 11 (level, low) -> IRQ 11
    Nov 10 21:20:41 hermes kernel: ICH4: chipset revision 1
    Nov 10 21:20:41 hermes kernel: ICH4: not 100%% native mode: will probe irqs later
    Nov 10 21:20:41 hermes kernel: ide0: BM-DMA at 0x1860-0x1867, BIOS settings: hda:DMA, hdb:pio
    Nov 10 21:20:41 hermes kernel: ide1: BM-DMA at 0x1868-0x186f, BIOS settings: hdc:DMA, hdd:pio
    Nov 10 21:20:41 hermes kernel: Probing IDE interface ide0...
    Nov 10 21:20:41 hermes kernel: hda: IC25N040ATMR04-0, ATA DISK drive
    Nov 10 21:20:41 hermes kernel: ide0 at 0x1f0-0x1f7,0x3f6 on irq 14
    Nov 10 21:20:41 hermes kernel: Probing IDE interface ide1...
    Nov 10 21:20:41 hermes kernel: hdc: HL-DT-STCD-RW/DVD DRIVE GCC-4240N, ATAPI CD/DVD-ROM drive
    Nov 10 21:20:41 hermes kernel: ide1 at 0x170-0x177,0x376 on irq 15
    Nov 10 21:20:41 hermes kernel: hda: max request size: 128KiB
    Nov 10 21:20:41 hermes kernel: hda: Host Protected Area detected.
    Nov 10 21:20:41 hermes kernel: ^Icurrent capacity is 71711733 sectors (36716 MB)
    Nov 10 21:20:41 hermes kernel: ^Inative capacity is 78140160 sectors (40007 MB)
    Nov 10 21:20:41 hermes kernel: hda: Host Protected Area disabled.
    Nov 10 21:20:41 hermes kernel: hda: 78140160 sectors (40007 MB) w/1740KiB Cache, CHS=65535/16/63, UDMA(100)
    Nov 10 21:20:41 hermes kernel: hda: cache flushes supported
    Nov 10 21:20:41 hermes kernel: hda: hda1 hda2 hda3 hda4
    Nov 10 21:20:41 hermes kernel: hdc: ATAPI 24X DVD-ROM CD-R/RW drive, 2048kB Cache, UDMA(33)
    Nov 10 21:20:41 hermes kernel: Uniform CD-ROM driver Revision: 3.20

    2.6.14-rc3: works
    2.6.14-rc5: works

    2.6.14.1: with hdc=cdrom, dmesg concerning ide:

    Nov 10 21:14:14 hermes kernel: Uniform Multi-Platform E-IDE driver Revision: 7.00alpha2
    Nov 10 21:14:14 hermes kernel: ide: Assuming 33MHz system bus speed for PIO modes; override with idebus=xx
    Nov 10 21:14:14 hermes kernel: ICH4: IDE controller at PCI slot 0000:00:1f.1
    Nov 10 21:14:14 hermes kernel: PCI: Enabling device 0000:00:1f.1 (0005 -> 0007)
    Nov 10 21:14:14 hermes kernel: ACPI: PCI Interrupt Link [LNKC] enabled at IRQ 11
    Nov 10 21:14:14 hermes kernel: ACPI: PCI Interrupt 0000:00:1f.1[A] -> Link [LNKC] -> GSI 11 (level, low) -> IRQ 11
    Nov 10 21:14:14 hermes kernel: ICH4: chipset revision 1
    Nov 10 21:14:14 hermes kernel: ICH4: not 100%% native mode: will probe irqs later
    Nov 10 21:14:14 hermes kernel: ide0: BM-DMA at 0x1860-0x1867, BIOS settings: hda:DMA, hdb:pio
    Nov 10 21:14:14 hermes kernel: ide1: BM-DMA at 0x1868-0x186f, BIOS settings: hdc:DMA, hdd:pio
    Nov 10 21:14:14 hermes kernel: Probing IDE interface ide0...
    Nov 10 21:14:14 hermes kernel: hda: IC25N040ATMR04-0, ATA DISK drive
    Nov 10 21:14:14 hermes kernel: ide0 at 0x1f0-0x1f7,0x3f6 on irq 14
    Nov 10 21:14:14 hermes kernel: Probing IDE interface ide1...
    Nov 10 21:14:14 hermes kernel: hdc: ATAPI cdrom (?)
    Nov 10 21:14:14 hermes kernel: ide1 at 0x170-0x177,0x376 on irq 15
    Nov 10 21:14:14 hermes kernel: Probing IDE interface ide2...
    Nov 10 21:14:14 hermes kernel: Probing IDE interface ide3...
    Nov 10 21:14:14 hermes kernel: Probing IDE interface ide4...
    Nov 10 21:14:14 hermes kernel: Probing IDE interface ide5...
    Nov 10 21:14:14 hermes kernel: hda: max request size: 128KiB
    Nov 10 21:14:14 hermes kernel: hda: Host Protected Area detected.
    Nov 10 21:14:14 hermes kernel: ^Icurrent capacity is 71711733 sectors (36716 MB)
    Nov 10 21:14:14 hermes kernel: ^Inative capacity is 78140160 sectors (40007 MB)
    Nov 10 21:14:14 hermes kernel: hda: Host Protected Area disabled.
    Nov 10 21:14:14 hermes kernel: hda: 78140160 sectors (40007 MB) w/1740KiB Cache, CHS=65535/16/63, UDMA(100)
    Nov 10 21:14:14 hermes kernel: hda: cache flushes supported
    Nov 10 21:14:14 hermes kernel: hda: hda1 hda2 hda3 hda4
    Nov 10 21:14:14 hermes kernel: ide-cd: cmd 0x5a timed out
    Nov 10 21:14:14 hermes kernel: hdc: lost interrupt
    Nov 10 21:14:14 hermes kernel: hdc: status error: status=0x00 { }
    Nov 10 21:14:14 hermes kernel: ide: failed opcode was: unknown
    Nov 10 21:14:14 hermes kernel: hdc: ATAPI 24X DVD-ROM CD-R/RW drive, 2048kB Cache
    Nov 10 21:14:14 hermes kernel: Uniform CD-ROM driver Revision: 3.20

    Some time later I get the following messages:

    Nov 10 21:14:22 hermes kernel: hdc: status error: status=0x00 { }
    Nov 10 21:14:22 hermes kernel: ide: failed opcode was: unknown
    Nov 10 21:14:22 hermes kernel: hdc: status error: status=0x20 { DeviceFault }
    Nov 10 21:14:22 hermes kernel: ide: failed opcode was: unknown
    Nov 10 21:14:23 hermes kernel: hdc: ATAPI reset complete
    Nov 10 21:14:23 hermes kernel: hdc: status error: status=0x00 { }
    Nov 10 21:14:23 hermes kernel: ide: failed opcode was: unknown
    Nov 10 21:14:23 hermes kernel: hdc: status error: status=0x00 { }
    Nov 10 21:14:23 hermes kernel: ide: failed opcode was: unknown
    Nov 10 21:14:23 hermes kernel: hdc: status error: status=0x00 { }
    Nov 10 21:14:23 hermes kernel: ide: failed opcode was: unknown
    Nov 10 21:14:23 hermes kernel: hdc: status error: status=0x00 { }
    Nov 10 21:14:23 hermes kernel: ide: failed opcode was: unknown
    Nov 10 21:14:23 hermes kernel: hdc: ATAPI reset complete

    2.6.14.1 without command line parameters:

    Nov 10 20:20:25 hermes kernel: Uniform Multi-Platform E-IDE driver Revision: 7.00alpha2
    Nov 10 20:20:25 hermes kernel: ide: Assuming 33MHz system bus speed for PIO modes; override with idebus=xx
    Nov 10 20:20:25 hermes kernel: ICH4: IDE controller at PCI slot 0000:00:1f.1
    Nov 10 20:20:25 hermes kernel: PCI: Enabling device 0000:00:1f.1 (0005 -> 0007)
    Nov 10 20:20:25 hermes kernel: ACPI: PCI Interrupt Link [LNKC] enabled at IRQ 11
    Nov 10 20:20:25 hermes kernel: ACPI: PCI Interrupt 0000:00:1f.1[A] -> Link [LNKC] -> GSI 11 (level, low) -> IRQ 11
    Nov 10 20:20:25 hermes kernel: ICH4: chipset revision 1
    Nov 10 20:20:25 hermes kernel: ICH4: not 100%% native mode: will probe irqs later
    Nov 10 20:20:25 hermes kernel: ide0: BM-DMA at 0x1860-0x1867, BIOS settings: hda:DMA, hdb:pio
    Nov 10 20:20:25 hermes kernel: ide1: BM-DMA at 0x1868-0x186f, BIOS settings: hdc:DMA, hdd:pio
    Nov 10 20:20:25 hermes kernel: Probing IDE interface ide0...
    Nov 10 20:20:25 hermes kernel: hda: IC25N040ATMR04-0, ATA DISK drive
    Nov 10 20:20:25 hermes kernel: ide0 at 0x1f0-0x1f7,0x3f6 on irq 14
    Nov 10 20:20:25 hermes kernel: Probing IDE interface ide1...
    Nov 10 20:20:25 hermes kernel: Probing IDE interface ide1...
    Nov 10 20:20:25 hermes kernel: Probing IDE interface ide2...
    Nov 10 20:20:25 hermes kernel: Probing IDE interface ide3...
    Nov 10 20:20:25 hermes kernel: Probing IDE interface ide4...
    Nov 10 20:20:25 hermes kernel: Probing IDE interface ide5...
    Nov 10 20:20:25 hermes kernel: hda: max request size: 128KiB
    Nov 10 20:20:25 hermes kernel: hda: Host Protected Area detected.
    Nov 10 20:20:25 hermes kernel: ^Icurrent capacity is 71711733 sectors (36716 MB)
    Nov 10 20:20:25 hermes kernel: ^Inative capacity is 78140160 sectors (40007 MB)
    Nov 10 20:20:25 hermes kernel: hda: Host Protected Area disabled.
    Nov 10 20:20:25 hermes kernel: hda: 78140160 sectors (40007 MB) w/1740KiB Cache, CHS=65535/16/63, UDMA(100)
    Nov 10 20:20:25 hermes kernel: hda: cache flushes supported
    Nov 10 20:20:25 hermes kernel: hda: hda1 hda2 hda3 hda4

    Somewhere between 2.6.14-rc5 and 2.6.14.1 the DVD gets lost...
    Any ideas?

    Jochen

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