From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:36716) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bnqyg-0006yX-Rz for qemu-devel@nongnu.org; Sat, 24 Sep 2016 13:43:07 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1bnqyc-0000dm-17 for qemu-devel@nongnu.org; Sat, 24 Sep 2016 13:43:06 -0400 Received: from mx1.redhat.com ([209.132.183.28]:37534) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bnqyb-0000d4-QA for qemu-devel@nongnu.org; Sat, 24 Sep 2016 13:43:01 -0400 Received: from int-mx13.intmail.prod.int.phx2.redhat.com (int-mx13.intmail.prod.int.phx2.redhat.com [10.5.11.26]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 750BF769F4 for ; Sat, 24 Sep 2016 17:43:00 +0000 (UTC) References: <20160923153612.GU3233@thinpad.lan.raisama.net> <20160923184040-mutt-send-email-mst@kernel.org> <29325c65-7ee6-22ed-31b3-211bcaceef50@redhat.com> From: Maxime Coquelin Message-ID: <4f7bb8d9-a9da-5c06-a0b7-20dea8b802f8@redhat.com> Date: Sat, 24 Sep 2016 19:42:57 +0200 MIME-Version: 1.0 In-Reply-To: <29325c65-7ee6-22ed-31b3-211bcaceef50@redhat.com> Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: quoted-printable Subject: Re: [Qemu-devel] vhost-user-test failure List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: "Michael S. Tsirkin" , Eduardo Habkost Cc: qemu-devel@nongnu.org, =?UTF-8?Q?Marc-Andr=c3=a9_Lureau?= This time with Marc-Andr=E9 in cc:... On 09/23/2016 07:40 PM, Maxime Coquelin wrote: > > > On 09/23/2016 05:41 PM, Michael S. Tsirkin wrote: >> On Fri, Sep 23, 2016 at 12:36:12PM -0300, Eduardo Habkost wrote: >>> Hi, >>> >>> I hit a weird vhost-user-test failure on travis-ci recently, on a >>> branch where I didn't touch any vhost-related code. From a quick >>> look at the code, it looks like the vhost-user code is unhappy to >>> see a disconnected socket. >>> >>> I wasn't able to reproduce it. It seems to be a hard to reproduce >>> race between vhost-user code and socket reconnection. >>> >>> The failure can be seen at: >>> >>> https://travis-ci.org/ehabkost/qemu-hacks/jobs/162077239 >> >> Maxime looked at something similiar. Any idea? > No, not really. > Marc-Andr=E9 contributed a lot to these tests, I add him in cc: in case > he has an idea. > > I will have a look in the mean time. > > Maxime > >> >>> Error output: >>> >>> ** >>> ERROR:tests/vhost-user-test.c:715:test_reconnect: child process >>> (/i386/vhost-user/reconnect/subprocess [23792]) failed unexpectedly >>> qemu-system-i386: Failed to set msg fds. >>> qemu-system-i386: vhost VQ 0 ring restore failed: -1: Resource >>> temporarily unavailable (11) >>> qemu-system-i386: Failed to set msg fds. >>> qemu-system-i386: vhost VQ 1 ring restore failed: -1: Resource >>> temporarily unavailable (11) >>> GTester: last random seed: R02S2892f6ad84bd5d03acd54cb75f444243 >>> make: *** [check-qtest-i386] Error 1 >>> >>> -- >>> Eduardo