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=-0.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, HTML_MESSAGE,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=no 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 2F91BC3A5A1 for ; Sun, 25 Aug 2019 19:42:16 +0000 (UTC) Received: from krantz.zx2c4.com (krantz.zx2c4.com [192.95.5.69]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id CD55820679 for ; Sun, 25 Aug 2019 19:42:15 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org CD55820679 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=nicolaschan.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=wireguard-bounces@lists.zx2c4.com Received: from krantz.zx2c4.com (localhost [IPv6:::1]) by krantz.zx2c4.com (ZX2C4 Mail Server) with ESMTP id 3e200ea3; Sun, 25 Aug 2019 19:41:48 +0000 (UTC) Received: from krantz.zx2c4.com (localhost [127.0.0.1]) by krantz.zx2c4.com (ZX2C4 Mail Server) with ESMTP id 754ebcba for ; Sun, 25 Aug 2019 19:25:18 +0000 (UTC) Received: from mail-wm1-f50.google.com (mail-wm1-f50.google.com [209.85.128.50]) by krantz.zx2c4.com (ZX2C4 Mail Server) with ESMTP id 947bffb1 for ; Sun, 25 Aug 2019 19:25:17 +0000 (UTC) Received: by mail-wm1-f50.google.com with SMTP id d16so13796218wme.2 for ; Sun, 25 Aug 2019 12:25:17 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=g8HyDGWVmMAA43OSIFhIZF8T68aa2XIQZAfWVodhax8=; b=SosKXL2y97wi8yN3TdzGoD9tTqhGgk4llSZEuU12PQ1FeQbQGJlHgmRvISiRYcP+xa Z39l/XgA10zaqkfTCPcevr8FU6Pi/26j+CTlyjYDXzX60kxbc2lbWm2Ke0gdOLy7XK2u d1S8ynnE/qEorrKgkiF8SqGu2cAM2a7agppXovwF22mmDN/Ph736kNwMkemq99LCUWDm TtcLmmue27m+CYK0fDWaiLPLGbd8rDl++s9dG7wl6RFyXmNAktGqBBYZoMcZ79fuufjn IAqHCm62srNYWXAEyMOWzswUwwMT4fU8jJJD8LwJiRSSPPrJyZ5vC24qvpL46WsaBwAg LoNQ== X-Gm-Message-State: APjAAAXMUGMbUjyVruGKa0emW3tL8tLWRCrKQQ3jKKdGNGaJRZKjO1vR 8Qn8oZrzeRIwgoEIPDQ1oRw80+iqk3FzSNq16Xyftg== X-Google-Smtp-Source: APXvYqy2uoKgZ8Vb6FhWz1D47K0Wx/HvwpMwij15iLE3I0AJG8yV7Mu2ApukXlc5WfMrQjim1DK41TRr2ixGsUok9D0= X-Received: by 2002:a1c:1b97:: with SMTP id b145mr16700850wmb.158.1566761116981; Sun, 25 Aug 2019 12:25:16 -0700 (PDT) MIME-Version: 1.0 References: In-Reply-To: From: Nicolas Chan Date: Sun, 25 Aug 2019 12:25:04 -0700 Message-ID: Subject: Re: Wireguard causes system to hang To: "Jason A. Donenfeld" X-Mailman-Approved-At: Sun, 25 Aug 2019 21:41:46 +0200 Cc: WireGuard mailing list X-BeenThere: wireguard@lists.zx2c4.com X-Mailman-Version: 2.1.15 Precedence: list List-Id: Development discussion of WireGuard List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============1263739440282093907==" Errors-To: wireguard-bounces@lists.zx2c4.com Sender: "WireGuard" --===============1263739440282093907== Content-Type: multipart/alternative; boundary="000000000000d35e080590f5ffed" --000000000000d35e080590f5ffed Content-Type: text/plain; charset="UTF-8" Thanks, updating the BIOS did the trick! On Sun, Aug 25, 2019, 8:51 AM Jason A. Donenfeld wrote: > WireGuard uses get_random_u32 which uses rdrand. AMD shipped with a > broken rdrand. Update your CPU's microcode or your motherboard's BIOS > and all should be good. > --000000000000d35e080590f5ffed Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
Thanks, updating the BIOS did the trick!

On Sun, Aug 25, 2= 019, 8:51 AM Jason A. Donenfeld <Jaso= n@zx2c4.com> wrote:
WireGuar= d uses get_random_u32 which uses rdrand. AMD shipped with a
broken rdrand. Update your CPU's microcode or your motherboard's BI= OS
and all should be good.
--000000000000d35e080590f5ffed-- --===============1263739440282093907== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ WireGuard mailing list WireGuard@lists.zx2c4.com https://lists.zx2c4.com/mailman/listinfo/wireguard --===============1263739440282093907==--