From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from lists.gentoo.org (pigeon.gentoo.org [208.92.234.80]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by finch.gentoo.org (Postfix) with ESMTPS id 96F991396D9 for ; Fri, 13 Oct 2017 18:05:57 +0000 (UTC) Received: from pigeon.gentoo.org (localhost [127.0.0.1]) by pigeon.gentoo.org (Postfix) with SMTP id DCACE2BC025; Fri, 13 Oct 2017 18:05:51 +0000 (UTC) Received: from mail-ua0-x243.google.com (mail-ua0-x243.google.com [IPv6:2607:f8b0:400c:c08::243]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by pigeon.gentoo.org (Postfix) with ESMTPS id 809852BC004 for ; Fri, 13 Oct 2017 18:05:51 +0000 (UTC) Received: by mail-ua0-x243.google.com with SMTP id l40so5852568uah.2 for ; Fri, 13 Oct 2017 11:05:51 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:in-reply-to:references:from:date:message-id:subject:to; bh=vCs3sYf44wjadKsBjA+IJJcRROU/u9YLPFeCbbiEcp4=; b=UzrNXEmP6m+kwNa0lJgDNNjkgHrvtGRQbVQhbTxNN0lHhZC1rmtGXsPbeW8haMZBI7 qMHYxT9ZxTgO9MqulUuPVnsSXb97KbOgERPwh3QehdBc8zqqo+ytJMS+oRMjpBtpthDu fMElKBVlezg8VvqrT0dic4v9Og9XMmEQdDDom4cJfGaaTkB338eju1r7cHLVUz60boS7 xNfyjDV2CX0Cwy3ioHWWKR4GXX6axh9mbbSKRe9DOQofLeXkSBabzZgyoBGlmhxp0lUz IgyXrMYqhW5bUdnwIKwPv0gUI1lZTtWRDlJcB2ui1b7gokWtw+ksN2qlsLvBBA7cOjWf Hdaw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:in-reply-to:references:from:date :message-id:subject:to; bh=vCs3sYf44wjadKsBjA+IJJcRROU/u9YLPFeCbbiEcp4=; b=Hh2TTtuLLy7U/i3FTRVQt4xyet+GgoC9VPmKzaT/w2JIbKC1QAZ7cYgbyYmyUTdgi0 fUHJEAWdPNNPgOwu10fWPp5093qAKAzHm5evQJ8XeMYSGEeJJBg/v2gpGyrYb/atieWg W4ZWtLqugtSYAbWnqhS2x5d9q6uO4tfpDF4dvfQ23CF2pqYvRE47fQbcNNCMSfVIT1jV Az5mch5Bq6FTVYIPB6EfJiocklonoNgW852wv09CoIzXM56iLeY28A8/i4vro4wxt1oV KvQ0Kj/apUPc1tgqVnDnoyzcbm0380CDek6U1fq5zgokQpBni5Xg3U6FBoGzZuOOcxjS iUrg== X-Gm-Message-State: AMCzsaXJK+6ZIG8yaz2kgyZ9qUDbx8xomu+I5GYHt2JF+9a4v1PQ1W5H oyn7jHv0buajx1rceawAC7BKIbZchyItUmkA50fb9Q== X-Google-Smtp-Source: ABhQp+Qp7gI/HI91hOP7EXR41soj4XwUnFYMHFbYlqRCpW4/a7bVid2XlIQE27b5IMXTrdA7X9vEaHaQGyLw8tw95WQ= X-Received: by 10.176.69.69 with SMTP id r63mr1785692uar.200.1507917950247; Fri, 13 Oct 2017 11:05:50 -0700 (PDT) Precedence: bulk List-Post: List-Help: List-Unsubscribe: List-Subscribe: List-Id: Gentoo Linux mail X-BeenThere: gentoo-user@lists.gentoo.org Reply-to: gentoo-user@lists.gentoo.org MIME-Version: 1.0 Received: by 10.103.88.1 with HTTP; Fri, 13 Oct 2017 11:05:29 -0700 (PDT) In-Reply-To: <14d2d8af-e7b9-d5e6-06c1-a7f3ad01ac23@gmail.com> References: <14d2d8af-e7b9-d5e6-06c1-a7f3ad01ac23@gmail.com> From: =?UTF-8?B?Q2FuZWsgUGVsw6FleiBWYWxkw6lz?= Date: Fri, 13 Oct 2017 13:05:29 -0500 Message-ID: Subject: Re: [gentoo-user] Why I can't I build systemd without ipv6? To: gentoo-user@lists.gentoo.org Content-Type: multipart/alternative; boundary="94eb2c07e22cc668ce055b718177" X-Archives-Salt: e483042e-8ed8-4ed1-b56f-2a8d2c11c7dd X-Archives-Hash: 35adbdf64410e24d70f885ddb54b228b --94eb2c07e22cc668ce055b718177 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable On Fri, Oct 13, 2017 at 12:29 PM, Daniel Frey wrote: > > I switched ISPs a couple months back and have been struggling with networking issues (not LAN, just WAN.) > > I have discovered that something is broken with my ISP's ipv6 support, every time I go to a website there's a 10-second delay. When syncing portage today I saw what the delay is: apparently it tries ipv6 twice, fails, then resorts to ipv4 which works fine. > > Most of my systems now have ipv6 support removed, and viola! no more delays. > > Except for the three systems I have that run systemd. I went in the kernel config to disable ipv6, and it won't let me - looking at the dependency list, it's systemd blocking this. > > So *why* on earth is it a dependency when (from what I've been reading after discovering this) many ISPs don't seem to support it properly yet? > > And is there a way to build systemd without ipv6? Or am I going to have to revert these three systems back to openrc? Have you tried to boot the systems with the "disable_ipv6=3D1" kernel parameter? Regards. -- Dr. Canek Pel=C3=A1ez Vald=C3=A9s Profesor de Carrera Asociado C Departamento de Matem=C3=A1ticas Facultad de Ciencias Universidad Nacional Aut=C3=B3noma de M=C3=A9xico --94eb2c07e22cc668ce055b718177 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
On Fri, Oct 13, 2017 at 12:29 PM, Daniel Frey <djqfrey@gmail.com> wrote:
>
&= gt; I switched ISPs a couple months back and have been struggling with netw= orking issues (not LAN, just WAN.)
>
> I have discovered that s= omething is broken with my ISP's ipv6 support, every time I go to a web= site there's a 10-second delay. When syncing portage today I saw what t= he delay is: apparently it tries ipv6 twice, fails, then resorts to ipv4 wh= ich works fine.
>
> Most of my systems now have ipv6 support re= moved, and viola! no more delays.
>
> Except for the three syst= ems I have that run systemd. I went in the kernel config to disable ipv6, a= nd it won't let me - looking at the dependency list, it's systemd b= locking this.
>
> So *why* on earth is it a dependency when (fr= om what I've been reading after discovering this) many ISPs don't s= eem to support it properly yet?
>
> And is there a way to build= systemd without ipv6? Or am I going to have to revert these three systems = back to openrc?

Have you tried to boot the systems with=C2=A0 the &q= uot;disable_ipv6=3D1" kernel parameter?

Regards.
--
Dr. C= anek Pel=C3=A1ez Vald=C3=A9s
Profesor de Carrera Asociado C
Departame= nto de Matem=C3=A1ticas
Facultad de Ciencias
Universidad Nacional Aut= =C3=B3noma de M=C3=A9xico
--94eb2c07e22cc668ce055b718177--