From mboxrd@z Thu Jan 1 00:00:00 1970 From: Michael Madore Date: Mon, 12 Feb 2001 19:49:30 +0000 Subject: Re: [Linux-ia64] modutils 2.4.2 and USB Message-Id: List-Id: References: In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: linux-ia64@vger.kernel.org On Mon, Feb 12, 2001 at 11:41:13AM -0800, Johannes Erdfelt wrote: > On Mon, Feb 12, 2001, Michael Madore wrote: > > I have just built kernel 2.4.1 with the IA64 patch, and also the latest > > (2.4.2) modutils. All of the USB options are compiled as modules, with the > > exception of USB-Core, which is compiled statically. After installing > > everything, running depmod -a yields: > > > > depmod: Module /lib/modules/2.4.1-010131-1smp/kernel/drivers/usb/acm.o has > > an unknown version (2) usb_device table > > It is likely that the kernel structure has changed, if so then > > you probably need a new version of modutils to handle this kernel. > > Check linux/Documentation/Changes. > > > > Is this a known problem? > > That is definately weird. Keith Owens wanted to add a version information > to help fix a problem we ran into with 2.4.0. > > Right before 2.4.0 we had to modify the usb_device_id structure to add some > extra information to make it work correctly. However, this didn't change > the size of the structure (because of alignment reasons) and as a result > it was difficult for modutils to tell the difference between the old style > structure and the new style structure. > > Both Linus and I didn't want to add the version information in 2.4 and we > just told him to drop the support for the old style structure since it was > only found in development kernels. > > The code stayed in modutils it appears since it wouldn't get in the way > of anything and it would be used in 2.5. > > But, the patch never went into the kernel and it shouldn't be finding any > version information. Is there a __module_usb_device_ver symbol in acm.o? Yes, acm.o has a symbol called __module_usb_device_ver. If I temporarily remove acm.o, I get the same message for audio.o, so it isn't a problem just with that module. -- Mike Madore Software Engineer TurboLinux, Inc.