From: greg@kroah.com (Greg KH)
To: kernelnewbies@lists.kernelnewbies.org
Subject: Unsuccessful transactions during usb enumeration
Date: Wed, 18 Jun 2014 00:07:09 -0700 [thread overview]
Message-ID: <20140618070709.GB9773@kroah.com> (raw)
In-Reply-To: <CAGUYZuS550DQWqLs+OZ2i2p_-mHj4vvUVxuSAEHvC1-LxfNQAA@mail.gmail.com>
On Wed, Jun 18, 2014 at 12:22:33PM +0530, sanjeev sharma wrote:
> Hi Greg,
>
> In one of my imx6 based Board when I connect USB Disk first time everything
> work's ok and I can read/write content from USB Flash Driver but when I do
> eject and connect again I could see below continuous messages from dmesg
> and disk never mounted.
>
> 218.431346] FAT-fs (sda): Directory bread(block 480) failed
>
> <3>[ 218.431362] FAT-fs (sda): Directory bread(block 481) failed
>
> <3>[ 218.431374] FAT-fs (sda): Directory bread(block 482) failed
>
> <3>[ 218.431386] FAT-fs (sda): Directory bread(block 483) failed
>
> <3>[ 218.431398] FAT-fs (sda): Directory bread(block 484) failed
>
> <3>[ 218.431420] FAT-fs (sda): Directory bread(block 485) failed
>
> <3>[ 218.431432] FAT-fs (sda): Directory bread(block 486) failed
>
> <3>[ 218.431444] FAT-fs (sda): Directory bread(block 487) failed
>
> <3>[ 218.431466] FAT-fs (sda): Directory bread(block 488) failed
>
> <3>[ 218.431478] FAT-fs (sda): Directory bread(block 489) failed
>
> <3>[ 218.431499] FAT-fs (sda): Directory bread(block 490) failed
>
> <3>[ 218.431515] FAT-fs (sda): Directory bread(block 491) failed
>
> <3>[ 218.431528] FAT-fs (sda): Directory bread(block 492) failed
>
> <3>[ 218.431540] FAT-fs (sda): Directory bread(block 493) failed
>
> <3>[ 218.431551] FAT-fs (sda): Directory bread(block 494) failed
>
> <3>[ 218.431563] FAT-fs (sda): Directory bread(block 495) failed
>
> <3>[ 218.431592] FAT-fs (sda): Directory bread(block 496) failed
>
> <3>[ 218.431604] FAT-fs (sda): Directory bread(block 497) failed
>
> <3>[ 218.431616] FAT-fs (sda): Directory bread(block 498) failed
>
> <3>[ 218.431627] FAT-fs (sda): Directory bread(block 499)
>
> is this probably issue in driver where It is failing to properly re-init
> the USB device 2nd time ?
I have no idea, something is trying to read those blocks and failing,
perhaps a program doesn't realize the disk is no longer there anymore?
greg k-h
next prev parent reply other threads:[~2014-06-18 7:07 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-06-18 5:27 Unsuccessful transactions during usb enumeration Ranjith T. C.
2014-06-18 5:39 ` Greg KH
2014-06-18 6:26 ` Ranjith T. C.
2014-06-18 6:39 ` Greg KH
2014-06-18 6:52 ` sanjeev sharma
2014-06-18 7:07 ` Greg KH [this message]
2014-06-18 7:15 ` sanjeev sharma
-- strict thread matches above, loose matches on Subject: below --
2014-06-17 12:45 Ranjith T. C.
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