From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.3 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS,USER_AGENT_MUTT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 57D20C7112A for ; Sun, 14 Oct 2018 23:14:28 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 511C02086A for ; Sun, 14 Oct 2018 23:14:22 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 511C02086A Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=gherkin.frus.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726489AbeJOG44 (ORCPT ); Mon, 15 Oct 2018 02:56:56 -0400 Received: from gherkin.frus.com ([192.158.254.49]:59124 "EHLO gherkin.frus.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726186AbeJOG44 (ORCPT ); Mon, 15 Oct 2018 02:56:56 -0400 Received: by gherkin.frus.com (Postfix, from userid 500) id 0A82B3D001; Sun, 14 Oct 2018 18:14:20 -0500 (CDT) Date: Sun, 14 Oct 2018 18:14:20 -0500 From: Bob Tracy To: Michael Cree , Meelis Roos , linux-alpha@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: Relocation (type 4) overflow on alpha for big module Message-ID: <20181014231420.GA17263@gherkin.frus.com> References: <5bc11e00-258d-a6ea-fe63-ddcfdb847071@linux.ee> <20181014173306.GA14639@gherkin.frus.com> <20181014184148.m6jb5ohb5onu6c3k@tower> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20181014184148.m6jb5ohb5onu6c3k@tower> User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Oct 15, 2018 at 07:41:48AM +1300, Michael Cree wrote: > On Sun, Oct 14, 2018 at 12:33:06PM -0500, Bob Tracy wrote: > > On Sun, Oct 14, 2018 at 10:07:13AM +0300, Meelis Roos wrote: > > > I decided to try btrfs on one of my alphas and got a surprise - btrfs module does not load: > > > > Confirmed on a PWS 433au running 4.19.0-rc6 with latest "sid" toolchain. > > Known and long-standing problem in the Alpha kernel module loader. > Requires extra code implmented to support loading such large modules > which no one has done. Workaround is to build the kernel with such > modules (e.g. radeon, btrfs) in-built. ACK on the workaround. Never noticed the problem with, per your example, the radeon driver because I seldom build a driver as a module for a piece of hardware (or filesystem type) that's present at boot and won't be removed. --Bob