Re: 2.6.27.2 USB reset/IO Error problem when high load on ICH9 USB

From: Alan Stern
Date: Sat Nov 01 2008 - 22:41:43 EST


On Fri, 31 Oct 2008, Andrew Morton wrote:

> (cc linux-usb)
>
> On Thu, 30 Oct 2008 06:22:49 +0100 Kasper Sandberg <lkml@xxxxxxxxxxx> wrote:
>
> > Hello..
> >
> > I had to write an image to some usb flash drives, more specifically, 4GB
> > kingston datatraveler sticks, and i figured, instead of doing just 1 at
> > a time, i may aswell do 4, so i plugged in 4, and started 4 dd's of the
> > images, to sdc, sdd, sde, sdf. However, i got usb disconnects and IO
> > error messages from the kernel, these are at end of message. I had
> > previously done ~5 writes of images to 5 other flash disks with no
> > problem, but when i tried the next batch, those 4, it gave these errors.
> > I killed the dd's, pulled them all out, and put in 1 at a time, and it
> > worked perfectly.

Sounds like a hardware problem.

Alan Stern

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