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=-5.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, 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 DB9E7C43470 for ; Mon, 12 Apr 2021 16:33:27 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id BF90D61373 for ; Mon, 12 Apr 2021 16:33:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S245026AbhDLQdo (ORCPT ); Mon, 12 Apr 2021 12:33:44 -0400 Received: from us-smtp-delivery-124.mimecast.com ([216.205.24.124]:27706 "EHLO us-smtp-delivery-124.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S244997AbhDLQba (ORCPT ); Mon, 12 Apr 2021 12:31:30 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1618245072; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=ry8UOmE9xxjldEfstZ7cAn9yNx4EWrsHXZ/UlYipT5w=; b=cQXcR3KZvjy5N4y/RzdamCW7yycijENoKPXgaVgjkq8cU6lp+/IIh92zBqZdS8t/6HrVLf E+abXK9eld7M7fP8CdH93PI8UHPKZtlLjvCb5blDhBzewp0fUrqs25x5Vw6quSjG6m8t+m 4D5lADnMuoafIhS1oBC4Zn/sLp8lwY8= Received: from mail-wr1-f70.google.com (mail-wr1-f70.google.com [209.85.221.70]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-23-OjhHH59yMPGyvAmWW_HwrQ-1; Mon, 12 Apr 2021 12:31:08 -0400 X-MC-Unique: OjhHH59yMPGyvAmWW_HwrQ-1 Received: by mail-wr1-f70.google.com with SMTP id y4so1899891wrs.7 for ; Mon, 12 Apr 2021 09:31:08 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to; bh=ry8UOmE9xxjldEfstZ7cAn9yNx4EWrsHXZ/UlYipT5w=; b=I9Rn+jFMse4BY2F57kP84nGe08Gh+K8jyq680w9U++7KSYu0SZWxK2t1yKyBimzHQb QFbLir0iRb567TgouEwh2LtJwVjPX3lz+mSGnDTGYJPwd+9RK8X08SesLdajE7gcwbKa Yu5UnZjwx7kz+ph0mXhstd5PayADA8/2FhwLS+J2Nqr7yd0pb5aQxQCvxkaoWNQW4ByG zzicAqPUB2+0U6GPcVGXixSfpDQuTYmzUpGug1hk3yzOI/gHyVFoWCX/1Z+nLtkJ1+aO XUkRY15M770vWuGkVkR9JfpufEnIdlz+rv92D2BAnMrqeFAED1WKYY3z/jIVXVai2dxG Bfdw== X-Gm-Message-State: AOAM532OFTS3Dj/NmUZFqMi3CKijP2AKorqPInV96JwUfSZXYRgw8guW YZrzBAWqxXVb8EVlzWtiNH5Ckgy8H9MpOppYP1o2dUuU46Gsbg1TiqkySguhuykOdFnrQxauFjs yKcce+a5QfjGDLNdp X-Received: by 2002:a5d:4acf:: with SMTP id y15mr22094248wrs.245.1618245067510; Mon, 12 Apr 2021 09:31:07 -0700 (PDT) X-Google-Smtp-Source: ABdhPJwUBwHY6Sx2+M0+GnLNuOoMnUNcReuodJIrUaTcwaxJLupeaV8DduFcJ2+NZysOQmkqk3aepA== X-Received: by 2002:a5d:4acf:: with SMTP id y15mr22094232wrs.245.1618245067379; Mon, 12 Apr 2021 09:31:07 -0700 (PDT) Received: from redhat.com ([2a10:8006:2281:0:1994:c627:9eac:1825]) by smtp.gmail.com with ESMTPSA id a4sm17141491wrx.86.2021.04.12.09.31.03 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 12 Apr 2021 09:31:05 -0700 (PDT) Date: Mon, 12 Apr 2021 12:31:02 -0400 From: "Michael S. Tsirkin" To: Linus Torvalds Cc: Guenter Roeck , Xuan Zhuo , Eric Dumazet , Linux Kernel Mailing List , Netdev Subject: Re: Linux 5.12-rc7 Message-ID: <20210412122951-mutt-send-email-mst@kernel.org> References: <20210412051445.GA47322@roeck-us.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org On Mon, Apr 12, 2021 at 09:28:28AM -0700, Linus Torvalds wrote: > On Sun, Apr 11, 2021 at 10:14 PM Guenter Roeck wrote: > > > > Qemu test results: > > total: 460 pass: 459 fail: 1 > > Failed tests: > > sh:rts7751r2dplus_defconfig:ata:net,virtio-net:rootfs > > > > The failure bisects to commit 0f6925b3e8da ("virtio_net: Do not pull payload in > > skb->head"). It is a spurious problem - the test passes roughly every other > > time. When the failure is seen, udhcpc fails to get an IP address and aborts > > with SIGTERM. So far I have only seen this with the "sh" architecture. > > Hmm. Let's add in some more of the people involved in that commit, and > also netdev. > > Nothing in there looks like it should have any interaction with > architecture, so that "it happens on sh" sounds odd, but maybe it's > some particular interaction with the qemu environment. > > Linus Yea Eric's been trying to debug this already. Let's give him a bit more time... -- MST