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I/O error from unknown device (sdb)

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  • chandersawh
    I am getting these weird messages from: # cat /var/log/messages I don t have a sdb device mounted. Here is my mounts: /dev/sda1 on /initrd type jffs2 (rw)
    Message 1 of 4 , Aug 31, 2006
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      I am getting these weird messages from:

      # cat /var/log/messages

      I don't have a "sdb" device mounted.

      Here is my mounts:

      /dev/sda1 on /initrd type jffs2 (rw)
      /dev/sda1 on / type ext3 (rw,noatime)
      /proc on /proc type proc (rw)
      usbdevfs on /proc/bus/usb type usbdevfs (rw)
      /dev/sda1 on /share/flash/data type ext3 (rw,noatime)
      /dev/sda2 on /share/flash/conf type ext3 (rw,noatime)
      /dev/sdc1 on /share/hdd/data/nslu2storage type ext3 (rw,noatime)

      What is this "sdb"??

      MESSAGES:

      <44>Aug 31 23:54:51 klogd: Raw sense data:0x70 0x00 0x02 0x00 0x00
      0x00 0x00 0x0a 0x00 0x00 0x00 0x00 0x3a 0x00 0x00 0x00 0x00 0x00
      <44>Aug 31 23:54:51 klogd: sdb : READ CAPACITY failed.
      <44>Aug 31 23:54:51 klogd: sdb : status = 1, message = 00, host = 0,
      driver = 08
      <44>Aug 31 23:54:51 klogd: Current sd00:00: sns = 70 2
      <44>Aug 31 23:54:51 klogd: ASC=3a ASCQ= 0
      <44>Aug 31 23:54:51 klogd: Raw sense data:0x70 0x00 0x02 0x00 0x00
      0x00 0x00 0x0a 0x00 0x00 0x00 0x00 0x3a 0x00 0x00 0x00 0x00 0x00
      <44>Aug 31 23:54:51 klogd: sdb : block size assumed to be 512 bytes,
      disk size 1GB.
      <44>Aug 31 23:54:51 klogd: 31 port connect!!!!!
      <44>Aug 31 23:54:51 klogd: sdb: test WP failed, assume Write Enabled
      <46>Aug 31 23:54:51 klogd: /dev/scsi/host1/bus0/target0/lun0: I/O
      error: dev 08:10, sector 0
      <44>Aug 31 23:54:51 klogd: I/O error: dev 08:10, sector 0
      <44>Aug 31 23:54:51 klogd: unable to read partition table
      <45>Aug 31 23:54:51 klogd: sdb: Unit Not Ready, sense:
      <44>Aug 31 23:54:51 klogd: Current 00:00: sns = 70 2
      <44>Aug 31 23:54:51 klogd: ASC=3a ASCQ= 0
      <44>Aug 31 23:54:51 klogd: Raw sense data:0x70 0x00 0x02 0x00 0x00
      0x00 0x00 0x0a 0x00 0x00 0x00 0x00 0x3a 0x00 0x00 0x00 0x00 0x00
      <44>Aug 31 23:54:51 klogd: sdb : READ CAPACITY failed.
      <44>Aug 31 23:54:51 klogd: sdb : status = 1, message = 00, host = 0,
      driver = 08
      <44>Aug 31 23:54:51 klogd: Current sd00:00: sns = 70 2
      <44>Aug 31 23:54:51 klogd: ASC=3a ASCQ= 0
      <44>Aug 31 23:54:51 klogd: Raw sense data:0x70 0x00 0x02 0x00 0x00
      0x00 0x00 0x0a 0x00 0x00 0x00 0x00 0x3a 0x00 0x00 0x00 0x00 0x00
      <44>Aug 31 23:54:51 klogd: sdb : block size assumed to be 512 bytes,
      disk size 1GB.
      <44>Aug 31 23:54:51 klogd: 31 port connect!!!!!
      <44>Aug 31 23:54:51 klogd: sdb: test WP failed, assume Write Enabled
      <46>Aug 31 23:54:51 klogd: /dev/scsi/host1/bus0/target0/lun0: I/O
      error: dev 08:10, sector 0
      <44>Aug 31 23:54:51 klogd: I/O error: dev 08:10, sector 0
      <44>Aug 31 23:54:51 klogd: unable to read partition table
      <44>Aug 31 23:54:51 klogd: I/O error: dev 08:10, sector 0
      <44>Aug 31 23:54:51 klogd: I/O error: dev 08:10, sector 0


      Thanks,

      narsaw
    • Adam Baker
      ... You don t say what firmware you are running but the mountlist looks like Unslung 6 It also looks like you have got your main disk on port2 and something
      Message 2 of 4 , Sep 1, 2006
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        chandersawh <chandersawh@...> writes:

        >
        > I am getting these weird messages from:
        >
        > # cat /var/log/messages
        >
        > I don't have a "sdb" device mounted.
        >

        You don't say what firmware you are running but the mountlist looks like
        Unslung 6

        It also looks like you have got your main disk on port2 and something else,
        maybe even multiple somethings on port 1. If there are 2 storage devices pluged
        in to port 1 (or 1 devices with 2 logical units such as a card reader with 2
        slots or a card slot and a HD) then the messages you are seeing are nothing to
        worry about provided they just occur once at bootup or when you plug the
        peripheral in.
      • chandersawh
        Yes, I am using unslung 6.8 beta. You are right, I do have my main disk in port 1 and a 4 port usb 2.0 hub attached to port 1. Attached to the usb hub is a
        Message 3 of 4 , Sep 2, 2006
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          Yes, I am using unslung 6.8 beta.

          You are right, I do have my main disk in port 1 and a 4 port usb 2.0
          hub attached to port 1.

          Attached to the usb hub is a ext3 formatted drive (250GB hdd, single
          partition. (/dev/sdc)

          Also attached to that usb hub is my Epson cx6600 printer, this printer
          has a built in 'card reader'.

          Could this 'card reader' that built into the printer caused these
          messages/errors?



          --- In nslu2-linux@yahoogroups.com, Adam Baker <slug@...> wrote:
          >
          > chandersawh <chandersawh@> writes:
          >
          > >
          > > I am getting these weird messages from:
          > >
          > > # cat /var/log/messages
          > >
          > > I don't have a "sdb" device mounted.
          > >
          >
          > You don't say what firmware you are running but the mountlist looks like
          > Unslung 6
          >
          > It also looks like you have got your main disk on port2 and
          something else,
          > maybe even multiple somethings on port 1. If there are 2 storage
          devices pluged
          > in to port 1 (or 1 devices with 2 logical units such as a card
          reader with 2
          > slots or a card slot and a HD) then the messages you are seeing are
          nothing to
          > worry about provided they just occur once at bootup or when you plug the
          > peripheral in.
          >
        • Mike (mwester)
          ... If the printer behaves at all like my Epson R320, the answer is yes . Mike (mwester)
          Message 4 of 4 , Sep 2, 2006
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            > Could this 'card reader' that built into the printer caused these
            > messages/errors?

            If the printer behaves at all like my Epson R320, the answer is "yes".

            Mike (mwester)
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