From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: paul@mjr.org Received: from krantz.zx2c4.com (localhost [127.0.0.1]) by krantz.zx2c4.com (ZX2C4 Mail Server) with ESMTP id f05525c7 for ; Wed, 13 Jun 2018 14:50:32 +0000 (UTC) Received: from mjr.org (mjr.org [212.13.216.238]) by krantz.zx2c4.com (ZX2C4 Mail Server) with ESMTP id 5690992f for ; Wed, 13 Jun 2018 14:50:32 +0000 (UTC) Message-ID: <98f37803e752f4d4f19b9064240f0b876b2db588.camel@mjr.org> Subject: Re: Kernel lockup with (debian) 4.16.0-2-rt-amd64 From: Paul Hedderly To: "Jason A. Donenfeld" Date: Wed, 13 Jun 2018 15:54:24 +0100 In-Reply-To: References: <46bd903565f6b1114b1d9f6bafa7db77bf3b5090.camel@mjr.org> Content-Type: text/plain; charset="UTF-8" Mime-Version: 1.0 Cc: WireGuard mailing list List-Id: Development discussion of WireGuard List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On Wed, 2018-06-13 at 15:52 +0200, Jason A. Donenfeld wrote: > Hi Paul, > > I got an -rt kernel up and running, enabled a bunch of nice debugging > options, and found a handful of problems, all of which were fixed by: > https://git.zx2c4.com/WireGuard/commit/?id=0f05452d043d8d047cf5d7987f > c2732b97d676e6 > > I realize the solution in that patch is a bit of a bummer, but at the > very least it keeps things from breaking now. I'll see if I can > improve it somewhere down the line. OUch. "So on sane kernels" I guess RT isn't sane then! Yea that performance hit is a nuisance, although in reality when I really need RT I wont be doing much over a VPN... so I may have to suck up to rebooting between kernels for a while. No big deal. Thanks again - I will test that new patch later.