Messages in this thread | | | Date | Wed, 20 Oct 2004 10:14:44 +0530 | From | Ganesan R <> | Subject | Re: [linux-usb-devel] Re: Linux 2.6.x wrongly recognizes USB 2.0 DVD writer (solved) |
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On Thu, Oct 14, 2004 at 10:26:53AM -0400, Alan Stern wrote: > > On Thu, 14 Oct 2004, Ganesan R wrote: > > > > I checked the kernel sources. Sure enough, > > drivers/usb/storage/unusual_devs.h > > has a new entry in the 2.6 tree: > > > > ======== > > /* <torsten.scherer@uni-bielefeld.de>: I don't know the name of the bridge > > * manufacturer, but I've got an external USB drive by the Revoltec company > > * that needs this. otherwise the drive is recognized as /dev/sda, but any > > * access to it blocks indefinitely. > > */ > > UNUSUAL_DEV( 0x0402, 0x5621, 0x0103, 0x0103, > > "Revoltec", > > "USB/IDE Bridge (ATA/ATAPI)", > > US_SC_DEVICE, US_PR_DEVICE, NULL, US_FL_FIX_INQUIRY), > > ======== > > > > I have not yet tested after removing this entry, but this looks to be > > the likely problem. The enclosure actually supports both 3.5 IDE hard > > disks as well as 5.25 CD/DVD drives. I have no clue why this entry > > should cause the drive to be wrongly detected. CCing linux-usb-devel for > > help. > > Certainly that entry is the problem. It has been removed in the latest > development kernels; it may already be gone in 2.6.9-rc4.
I removed that entry and recompiled 2.6.8. The drive is now recognized properly again in 2.6.8. Thanks to every one who helped.
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