From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: egbert@eggiecode.org Received: from mail01.eggieservers.nl (mail01.eggieservers.nl [149.210.159.147]) by krantz.zx2c4.com (ZX2C4 Mail Server) with ESMTP id c21c3b05 for ; Wed, 16 Nov 2016 10:00:29 +0000 (UTC) To: "Jason A. Donenfeld" References: <454ad249-3313-9423-c2d4-7602d56849fc@eggiecode.org> <82c49c47-1779-2c6c-8797-9f02f138fb6e@eggiecode.org> From: Egbert Verhage Message-ID: <67b97701-8286-039e-31bb-b7275ab338e8@eggiecode.org> Date: Wed, 16 Nov 2016 11:03:06 +0100 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8 Cc: WireGuard mailing list Subject: Re: [WireGuard] Seeking Ubuntu PPA Maintainer List-Id: Development discussion of WireGuard List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Hey Jason, The kernel module worked for my. ([1020751.674357] AVX2 disabler loaded: 1 -> 0) Going to update the PPA to remove my disable of AVX2. The problem is that the hosting company hides the cpuuid, but from the call with the sysadmin it is a XEON E5-2??? v3. Greetz, Egbert On 2016-11-16 02:31, Jason A. Donenfeld wrote: > Hey Egbert, > > On Wed, Nov 16, 2016 at 1:34 AM, Egbert Verhage wrote: >> I mailed/called with one of the sys admins and discussed with him about the >> problem in the AVX2 extention. >> I think I'm going to mail/call the hosting company again. > It seems like the crux of the issue is that if they disable AVX2 > instructions, they need to make this known in the CPUID. Otherwise the > operating system will assume it's there when it isn't. > >> Can give you a vps if you want to. Just 3 euro the month. > See the attached tarball. Compile the kernel module in there and load > it BEFORE WireGuard. You might have to manually unload wireguard for > this to work: "rmmod wireguard && insmod ./avx2disabler.ko && modprobe > wireguard", for example. It should disable avx2 inside the kernel, > solving the issue. > > Jason