From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-wr1-x441.google.com ([2a00:1450:4864:20::441]) by shelob.surriel.com with esmtps (TLSv1.2:ECDHE-RSA-AES128-GCM-SHA256:128) (Exim 4.91) (envelope-from ) id 1gIvnP-0007K9-Qr for kernelnewbies@kernelnewbies.org; Sat, 03 Nov 2018 09:16:59 -0400 Received: by mail-wr1-x441.google.com with SMTP id y15-v6so4659449wru.9 for ; Sat, 03 Nov 2018 06:16:59 -0700 (PDT) Received: from rocks.localdomain (135.red-88-17-35.dynamicip.rima-tde.net. [88.17.35.135]) by smtp.gmail.com with ESMTPSA id g5-v6sm21823449wrw.95.2018.11.03.06.16.56 for (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Sat, 03 Nov 2018 06:16:57 -0700 (PDT) Date: Sat, 3 Nov 2018 14:16:53 +0100 From: Aleix Roca Nonell To: Kernel Newbies Mailing List Subject: Re: Unsupported relocation type: R_X86_64_PLT32 Message-ID: <20181103131653.GB2327@rocks.localdomain> References: <20181103125439.GA2327@rocks.localdomain> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20181103125439.GA2327@rocks.localdomain> List-Id: Learn about the Linux kernel List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: kernelnewbies-bounces@kernelnewbies.org Message-ID: <20181103131653.MI0Fnkup2O9hm3sy_934ggZ953daTaN_Zn07FtV1mAw@z> On Sat, Nov 03, 2018 at 01:54:39PM +0100, Aleix Roca Nonell wrote: > Hi all! > > In my attempt to write my first useful kernel patch, I'm tracking down > a possibly kernel regression on my laptop's wireless driver. I'm > trying to use git bisect to narrow down the problem and I'm having > trouble compiling a Linux kernel 4.14 from Linus tree in my Arch > Linux. > > The error I'm getting is "Unsupported relocation type: R_X86_64_PLT32" > > I have read about gcc enabling -fPIC by default from gcc-6 so I have > tried compiling with gcc-{8,7,5,4.9} with and without > "-fno-pic -no-pic" by running > > make CC="gcc-5 -fno-pic -no-pic" > > with no luck. I was expecting those R_X86_64_PLT32 relocations not to > be generated with this options but there is something I have still not > understood. > > I have been able to compile the kernel after applying greg's stable > tree patch [1] (and [2,3] for gcc-8) but the kernel refuses to boot. > > Any help/comments on either the problem or the followed methodology will be > appreciated! > > Thank you! :D > > [1] - https://lore.kernel.org/patchwork/patch/892780/ > [2] - https://lore.kernel.org/patchwork/patch/868613/ > [3] - https://lore.kernel.org/patchwork/patch/934722/ Sorry, I meant "-fno-pie -no-pie" instead of "-fno-pic -no-pic" _______________________________________________ Kernelnewbies mailing list Kernelnewbies@kernelnewbies.org https://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies