Re: USB CD/disk not working after 2.6.7
From: Sami Farin (7atbggg02_at_sneakemail.com)
Date: 11/03/04
- Previous message: Chris Wedgwood: "Re: support of older compilers"
- In reply to: Bill Davidsen: "Re: USB CD/disk not working after 2.6.7"
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Date: Wed, 3 Nov 2004 23:24:09 +0200 To: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
On Wed, Nov 03, 2004 at 03:23:42PM -0500, Bill Davidsen wrote:
> Sami Farin wrote:
> >On Wed, Nov 03, 2004 at 12:20:58PM -0500, Bill Davidsen wrote:
> >
> >>Since 2.6.7 no kernel has seen my USB CD burner or disk. I took the disk
> >>off to simplify the picture, it still doesn't work.
> >
> >...
> >
> >>Buffer I/O error on device uba, logical block 0
> >>unable to read partition table
> >
> >
> >remove this line from .config and rebuild kernel...
> >CONFIG_BLK_DEV_UB=y
> >
> >...and it will just work.
> >
> Thank you for the prompt answer! I've started rebuilding the kernel.
Good luck.
> Do you know if the incompatibility between flash key support and
> CD/disk a bug, design decision, or unavoidable characteristic of the
> devices involved? I have some kind of a flash key coming for evaluation,
> so I built with that on.
AFAIK, usb-storage works fine with all those USB memory sticks / pen drives
without CONFIG_BLK_DEV_UB and I have absolutely no idea whatsoever what
"flash keys" UB is supposed to support.
I would have assumed that UB enables you to use some flash
key (such as?) which isn't supported by any other USB driver but seems UB
stomps on usb-storage and breaks in many cases and you can't use the usual
USB CF-readers etc with CONFIG_BLK_DEV_UB=y because UB is buggy.
well, defconfig has CONFIG_BLK_DEV_UB disabled.
maybe Pete Zaitcev can enlighten us.
http://en.wikipedia.org/wiki/Keydrive
"flash key" missing from that list? *shrug*
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- Previous message: Chris Wedgwood: "Re: support of older compilers"
- In reply to: Bill Davidsen: "Re: USB CD/disk not working after 2.6.7"
- Messages sorted by: [ date ] [ thread ] [ subject ] [ author ]
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