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    SubjectRe: libata /dev/scd0 problem: mount after burn fails without eject
    On 01/05/07, Mark Lord <lkml@rtr.ca> wrote:
    > Forwarding to linux-scsi and linux-ide mailing lists.
    >
    > Frank van Maarseveen wrote:
    > > Tested on 2.6.20.6 and 2.6.21.1
    > >
    > > I decided to swich from the old IDE drivers to libata and now there
    > > seems to be a little but annoying problem: cannot mount an ISO image
    > > after burning it.
    > >
    > > May 1 14:32:55 kernel: attempt to access beyond end of device
    > > May 1 14:32:55 kernel: sr0: rw=0, want=68, limit=4
    > > May 1 14:32:55 kernel: isofs_fill_super: bread failed, dev=sr0, iso_blknum=16, block=16
    > >
    > > an "eject" command seems to fix the state of the PATA DVD writer
    > > or driver. The problem occurs for burning a CD and for DVD too with
    > > identical error messages.
    > >
    > >
    > > relevant kernel boot messages:
    > > | ata1: PATA max UDMA/100 cmd 0x000101f0 ctl 0x000103f6 bmdma 0x0001ffa0 irq 14
    > > | ata2: PATA max UDMA/100 cmd 0x00010170 ctl 0x00010376 bmdma 0x0001ffa8 irq 15
    > > | scsi0 : ata_piix
    > > | ata1.00: ATA-7: ST3120814A, 3.AAJ, max UDMA/100
    > > | ata1.00: 234441648 sectors, multi 8: LBA48
    > > | ata1.00: configured for UDMA/100
    > > | scsi1 : ata_piix
    > > | ata2.00: ATAPI, max UDMA/33
    > > | ata2.01: ATAPI, max UDMA/33
    > > | ata2.00: configured for UDMA/33
    > > | ata2.01: configured for UDMA/33
    > > | scsi 0:0:0:0: Direct-Access ATA ST3120814A 3.AA PQ: 0 ANSI: 5
    > > | SCSI device sda: 234441648 512-byte hdwr sectors (120034 MB)
    > > | sda: Write Protect is off
    > > | SCSI device sda: write cache: enabled, read cache: enabled, doesn't support DPO or FUA
    > > | SCSI device sda: 234441648 512-byte hdwr sectors (120034 MB)
    > > | sda: Write Protect is off
    > > | SCSI device sda: write cache: enabled, read cache: enabled, doesn't support DPO or FUA
    > > | sda: sda1 sda2 sda4
    > > | sd 0:0:0:0: Attached scsi disk sda
    > > | sd 0:0:0:0: Attached scsi generic sg0 type 0
    > > | scsi 1:0:0:0: CD-ROM HP DVD Writer 640c CS30 PQ: 0 ANSI: 5
    > > | sr0: scsi3-mmc drive: 40x/40x writer cd/rw xa/form2 cdda tray
    > > | Uniform CD-ROM driver Revision: 3.20
    > > | sr 1:0:0:0: Attached scsi generic sg1 type 5
    > > | scsi 1:0:1:0: CD-ROM SAMSUNG CD-ROM SC-148C B105 PQ: 0 ANSI: 5
    > > | sr1: scsi3-mmc drive: 1x/48x cd/rw xa/form2 cdda tray
    > > | sr 1:0:1:0: Attached scsi generic sg2 type 5
    > >
    > > stripped config (well, as far of I'm sure it shouldn't matter):
    > > | CONFIG_PM=y
    > > | CONFIG_PM_LEGACY=y
    > > |
    > > | CONFIG_ACPI=y
    > > | CONFIG_ACPI_PROCFS=y
    > > | CONFIG_ACPI_FAN=y
    > > | CONFIG_ACPI_PROCESSOR=y
    > > | CONFIG_ACPI_THERMAL=y
    > > | CONFIG_ACPI_BLACKLIST_YEAR=0
    > > | CONFIG_ACPI_EC=y
    > > | CONFIG_ACPI_POWER=y
    > > | CONFIG_ACPI_SYSTEM=y
    > > | CONFIG_X86_PM_TIMER=y
    > > |
    > > | CONFIG_PCI=y
    > > | CONFIG_PCI_GOANY=y
    > > | CONFIG_PCI_BIOS=y
    > > | CONFIG_PCI_DIRECT=y
    > > | CONFIG_PCI_MMCONFIG=y
    > > | CONFIG_PCIEPORTBUS=y
    > > | CONFIG_PCIEAER=y
    > > | CONFIG_HT_IRQ=y
    > > | CONFIG_ISA_DMA_API=y
    > > |
    > > | CONFIG_PNP=y
    > > |
    > > | CONFIG_PNPACPI=y
    > > |
    > > | CONFIG_CDROM_PKTCDVD=y
    > > | CONFIG_CDROM_PKTCDVD_BUFFERS=8
    > > |
    > > | CONFIG_IDE=y
    > > |
    > > | CONFIG_RAID_ATTRS=y
    > > | CONFIG_SCSI=y
    > > | CONFIG_SCSI_PROC_FS=y
    > > |
    > > | CONFIG_BLK_DEV_SD=y
    > > | CONFIG_BLK_DEV_SR=y
    > > | CONFIG_CHR_DEV_SG=y
    > > |
    > > | CONFIG_SCSI_MULTI_LUN=y
    > > | CONFIG_SCSI_CONSTANTS=y
    > > | CONFIG_SCSI_LOGGING=y
    > > |
    > > | CONFIG_SCSI_SPI_ATTRS=y
    > > |
    > > | CONFIG_ATA=y
    > > | CONFIG_SATA_AHCI=y
    > > | CONFIG_ATA_PIIX=y
    > > | CONFIG_SATA_INTEL_COMBINED=y
    > > | CONFIG_SATA_ACPI=y
    > > | CONFIG_PATA_SERVERWORKS=y
    > >
    > >
    > > lspci:
    > > 00:00.0 Host bridge: Intel Corporation 82845G/GL[Brookdale-G]/GE/PE DRAM Controller/Host-Hub Interface (rev 01)
    > > 00:01.0 PCI bridge: Intel Corporation 82845G/GL[Brookdale-G]/GE/PE Host-to-AGP Bridge (rev 01)
    > > 00:1d.0 USB Controller: Intel Corporation 82801DB/DBL/DBM (ICH4/ICH4-L/ICH4-M) USB UHCI Controller #1 (rev 01)
    > > 00:1d.1 USB Controller: Intel Corporation 82801DB/DBL/DBM (ICH4/ICH4-L/ICH4-M) USB UHCI Controller #2 (rev 01)
    > > 00:1d.2 USB Controller: Intel Corporation 82801DB/DBL/DBM (ICH4/ICH4-L/ICH4-M) USB UHCI Controller #3 (rev 01)
    > > 00:1d.7 USB Controller: Intel Corporation 82801DB/DBM (ICH4/ICH4-M) USB2 EHCI Controller (rev 01)
    > > 00:1e.0 PCI bridge: Intel Corporation 82801 PCI Bridge (rev 81)
    > > 00:1f.0 ISA bridge: Intel Corporation 82801DB/DBL (ICH4/ICH4-L) LPC Interface Bridge (rev 01)
    > > 00:1f.1 IDE interface: Intel Corporation 82801DB (ICH4) IDE Controller (rev 01)
    > > 00:1f.3 SMBus: Intel Corporation 82801DB/DBL/DBM (ICH4/ICH4-L/ICH4-M) SMBus Controller (rev 01)
    > > 00:1f.5 Multimedia audio controller: Intel Corporation 82801DB/DBL/DBM (ICH4/ICH4-L/ICH4-M) AC'97 Audio Controller (rev 01)
    > > 01:00.0 VGA compatible controller: nVidia Corporation NV18 [GeForce4 MX 440 AGP 8x] (rev a2)
    > > 02:0c.0 Ethernet controller: Intel Corporation 82541PI Gigabit Ethernet Controller (rev 05)
    > >
    > > lspci -v -v -v for IDE
    > > 00:1f.1 IDE interface: Intel Corporation 82801DB (ICH4) IDE Controller (rev 01) (prog-if 8a [Master SecP PriP])
    > > Subsystem: Dell Unknown device 0142
    > > Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B-
    > > Status: Cap- 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR-
    > > Latency: 0
    > > Interrupt: pin A routed to IRQ 17
    > > Region 0: I/O ports at 01f0 [size=8]
    > > Region 1: I/O ports at 03f4 [size=1]
    > > Region 2: I/O ports at 0170 [size=8]
    > > Region 3: I/O ports at 0374 [size=1]
    > > Region 4: I/O ports at ffa0 [size=16]
    > > Region 5: Memory at 50100000 (32-bit, non-prefetchable) [size=1K]
    > >

    I added this to the list of known regressions
    http://kernelnewbies.org/known_regressions

    Alan CC'ed.

    Regards,
    Michal

    --
    Michal K. K. Piotrowski
    Kernel Monkeys
    (http://kernel.wikidot.com/start)
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