[Bug 38688] Re: unable to boot

[Alejandro Cornejo]

ok, here it is:

device '/sys/block/sda' has major:minor 8:0
  looking at class device '/sys/block/sda':
    KERNEL=="sda"
    SUBSYSTEM=="block"
    SYSFS{dev}=="8:0"
    SYSFS{range}=="16"
    SYSFS{removable}=="0"
    SYSFS{size}=="312500000"
    SYSFS{stat}=="   13502   108744   673213    92592     8283    38084   370430   414383        0    62733   506974"

follow the "device"-link to the physical device:
  looking at the device chain at '/sys/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0':
    BUS=="scsi"
    ID=="0:0:0:0"
    DRIVER=="sd"
    SYSFS{device_blocked}=="0"
    SYSFS{iocounterbits}=="32"
    SYSFS{iodone_cnt}=="0x552b"
    SYSFS{ioerr_cnt}=="0x0"
    SYSFS{iorequest_cnt}=="0x552b"
    SYSFS{model}=="ST3160828AS     "
    SYSFS{queue_depth}=="1"
    SYSFS{queue_type}=="none"
    SYSFS{rev}=="8.04"
    SYSFS{scsi_level}=="6"
    SYSFS{state}=="running"
    SYSFS{timeout}=="30"
    SYSFS{type}=="0"
    SYSFS{vendor}=="ATA     "

  looking at the device chain at '/sys/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0':
    BUS==""
    ID=="target0:0:0"
    DRIVER=="unknown"

  looking at the device chain at '/sys/devices/pci0000:00/0000:00:1f.2/host0':
    BUS==""
    ID=="host0"
    DRIVER=="unknown"

  looking at the device chain at '/sys/devices/pci0000:00/0000:00:1f.2':
    BUS=="pci"
    ID=="0000:00:1f.2"
    DRIVER=="ata_piix"
    SYSFS{class}=="0x010180"
    SYSFS{device}=="0x27c0"
    SYSFS{irq}=="225"
    SYSFS{local_cpus}=="03"
    SYSFS{modalias}=="pci:v00008086d000027C0sv00001028sd000001D1bc01sc01i80"
    SYSFS{subsystem_device}=="0x01d1"
    SYSFS{subsystem_vendor}=="0x1028"
    SYSFS{vendor}=="0x8086"

  looking at the device chain at '/sys/devices/pci0000:00':
    BUS==""
    ID=="pci0000:00"
    DRIVER=="unknown"

Hope it helps, i'm will reboot right now, and do a modprobe ata_piix, libata, and see if that helps.
-- 
unable to boot
https://launchpad.net/malone/bugs/38688