From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:34590) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bnUSR-0005X2-Ou for qemu-devel@nongnu.org; Fri, 23 Sep 2016 13:40:20 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1bnUSM-0008Vd-N8 for qemu-devel@nongnu.org; Fri, 23 Sep 2016 13:40:18 -0400 Received: from mx1.redhat.com ([209.132.183.28]:47734) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bnUSM-0008Uw-HF for qemu-devel@nongnu.org; Fri, 23 Sep 2016 13:40:14 -0400 Received: from int-mx09.intmail.prod.int.phx2.redhat.com (int-mx09.intmail.prod.int.phx2.redhat.com [10.5.11.22]) (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 1851B33884D for ; Fri, 23 Sep 2016 17:40:13 +0000 (UTC) References: <20160923153612.GU3233@thinpad.lan.raisama.net> <20160923184040-mutt-send-email-mst@kernel.org> From: Maxime Coquelin Message-ID: <29325c65-7ee6-22ed-31b3-211bcaceef50@redhat.com> Date: Fri, 23 Sep 2016 19:40:10 +0200 MIME-Version: 1.0 In-Reply-To: <20160923184040-mutt-send-email-mst@kernel.org> 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 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 (/i3= 86/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 tempo= rarily unavailable (11) >> qemu-system-i386: Failed to set msg fds. >> qemu-system-i386: vhost VQ 1 ring restore failed: -1: Resource tempo= rarily unavailable (11) >> GTester: last random seed: R02S2892f6ad84bd5d03acd54cb75f444243 >> make: *** [check-qtest-i386] Error 1 >> >> -- >> Eduardo