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Old 03-13-2005, 10:19 PM   #1
k5knt
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Registered: Feb 2005
Location: San Angelo, TX USA
Distribution: Fedora Core 3
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unpluging USB IOMEGA Zip 250


I've spent the last day looking for an answer to this problem. GOOGLE doesn't seem to help,

When I unplug my IOMEGA Zip 250 (after unmounting and ejecting the disk) I get the following error messages in /var/log/messages:

Quote:
Mar 12 11:52:16 amethyst kernel: sda : READ CAPACITY failed.
Mar 12 11:52:16 amethyst kernel: sda : status=0, message=00, host=7, driver=00
Mar 12 11:52:16 amethyst kernel: sda : sense not available.
Mar 12 11:52:16 amethyst kernel: sda: Write Protect is off
Mar 12 11:52:16 amethyst kernel: sda: assuming drive cache: write through
Mar 12 11:52:17 amethyst kernel: sda : READ CAPACITY failed.
Mar 12 11:52:17 amethyst kernel: sda : status=0, message=00, host=7, driver=00
Mar 12 11:52:17 amethyst kernel: sda : sense not available.
Mar 12 11:52:17 amethyst kernel: sda: Write Protect is off
Mar 12 11:52:17 amethyst kernel: sda: assuming drive cache: write through
Mar 12 11:52:17 amethyst kernel: sda:<3>Buffer I/O error on device sda, logical block 0
Mar 12 11:52:17 amethyst kernel: Buffer I/O error on device sda, logical block 0
Mar 12 11:52:17 amethyst kernel: Buffer I/O error on device sda, logical block 0
Mar 12 11:52:17 amethyst kernel: unable to read partition table
Mar 12 11:52:18 amethyst kernel: sda : READ CAPACITY failed.
Mar 12 11:52:18 amethyst kernel: sda : status=0, message=00, host=7, driver=00
Mar 12 11:52:18 amethyst kernel: sda : sense not available.
Mar 12 11:52:18 amethyst kernel: sda: Write Protect is off
Mar 12 11:52:18 amethyst kernel: sda: assuming drive cache: write through
As you can see, this repeates every one to four seconds. It stops as soon as I plug the drive back in.

What is causing this error and how can I fix it?
 
Old 04-11-2005, 09:29 AM   #2
t3gah
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Registered: Dec 2004
Distribution: SuSE, RedHat, ubuntu, Debian
Posts: 734

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Re: unpluging USB IOMEGA Zip 250

Quote:
Originally posted by k5knt
I've spent the last day looking for an answer to this problem. GOOGLE doesn't seem to help,

When I unplug my IOMEGA Zip 250 (after unmounting and ejecting the disk) I get the following error messages in /var/log/messages:

Code:
Mar 12 11:52:16 amethyst kernel: sda : READ CAPACITY failed.
Mar 12 11:52:16 amethyst kernel: sda : status=0, message=00, host=7, driver=00
Mar 12 11:52:16 amethyst kernel: sda : sense not available.
Mar 12 11:52:16 amethyst kernel: sda: Write Protect is off
Mar 12 11:52:16 amethyst kernel: sda: assuming drive cache: write through
Mar 12 11:52:17 amethyst kernel: sda : READ CAPACITY failed.
Mar 12 11:52:17 amethyst kernel: sda : status=0, message=00, host=7, driver=00
Mar 12 11:52:17 amethyst kernel: sda : sense not available.
Mar 12 11:52:17 amethyst kernel: sda: Write Protect is off
Mar 12 11:52:17 amethyst kernel: sda: assuming drive cache: write through
Mar 12 11:52:17 amethyst kernel: sda:<3>Buffer I/O error on device sda, logical block 0
Mar 12 11:52:17 amethyst kernel: Buffer I/O error on device sda, logical block 0
Mar 12 11:52:17 amethyst kernel: Buffer I/O error on device sda, logical block 0
Mar 12 11:52:17 amethyst kernel: unable to read partition table
Mar 12 11:52:18 amethyst kernel: sda : READ CAPACITY failed.
Mar 12 11:52:18 amethyst kernel: sda : status=0, message=00, host=7, driver=00
Mar 12 11:52:18 amethyst kernel: sda : sense not available.
Mar 12 11:52:18 amethyst kernel: sda: Write Protect is off
Mar 12 11:52:18 amethyst kernel: sda: assuming drive cache: write through

As you can see, this repeates every one to four seconds. It stops as soon as I plug the drive back in.

What is causing this error and how can I fix it?
What O/S is this and what kernel are you on (uname -a)?

What does /etc/fstab say?
 
Old 04-11-2005, 07:23 PM   #3
k5knt
LQ Newbie
 
Registered: Feb 2005
Location: San Angelo, TX USA
Distribution: Fedora Core 3
Posts: 9

Original Poster
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I'm running Fedora Core 3 with kernel 2.6.10-1.770_FC3

No idea about the fstab entry. I've done a complete reinstall since I first posted this.
 
  


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