[{"id":3681273,"web_url":"http://patchwork.ozlabs.org/comment/3681273/","msgid":"<624cf04d-6188-458d-bca6-dd5ffec877ab@redhat.com>","list_archive_url":null,"date":"2026-04-23T04:52:19","subject":"Re: [PATCH v1] tests/functional: Make socat wait longer in migration\n exec test","submitter":{"id":66152,"url":"http://patchwork.ozlabs.org/api/people/66152/","name":"Thomas Huth","email":"thuth@redhat.com"},"content":"On 23/04/2026 01.00, Fabiano Rosas wrote:\n> The migration_with_exec test is failing sporadically for all\n> architectures due to a race when the destination socat process takes\n> too long to start listening while the source process is already\n> issuing connect().\n> \n> The race is inherent because the exec: migration spawns the\n> to-be-exec'ed command asynchronously and returns from the\n> migrate-incoming command. The localhost-only testcase is not\n> representative of the majority of migrations. In a real scenario\n> between two different hosts that race wouldn't happen.\n> \n> Fix the testcase by configuring the source socat command to wait\n> indefinitely while trying to connect.\n> \n> Signed-off-by: Fabiano Rosas \n> ---\n> tests/functional/migration.py | 2 +-\n> 1 file changed, 1 insertion(+), 1 deletion(-)\n> \n> diff --git a/tests/functional/migration.py b/tests/functional/migration.py\n> index 144f091ba8..3b7674af3b 100644\n> --- a/tests/functional/migration.py\n> +++ b/tests/functional/migration.py\n> @@ -85,5 +85,5 @@ def migration_with_exec(self):\n> with Ports() as ports:\n> free_port = self._get_free_port(ports)\n> dst_uri = 'exec:socat TCP-LISTEN:%u -' % free_port\n> - src_uri = 'exec:socat - TCP:localhost:%u' % free_port\n> + src_uri = 'exec:socat - TCP:localhost:%u,forever' % free_port\n\nMaybe use \"retry=90\" instead? OTOH, we have the high level timeout from the \nmeson runner, so we should not hang here forever by accident anyway.\n\nThus:\nReviewed-by: Thomas Huth ","headers":{"Return-Path":"","X-Original-To":"incoming@patchwork.ozlabs.org","Delivered-To":"patchwork-incoming@legolas.ozlabs.org","Authentication-Results":["legolas.ozlabs.org;\n\tdkim=pass (1024-bit key;\n unprotected) header.d=redhat.com header.i=@redhat.com header.a=rsa-sha256\n header.s=mimecast20190719 header.b=HXM9Rgry;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=redhat.com header.i=@redhat.com header.a=rsa-sha256\n header.s=google header.b=WxE2/b3i;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org\n (client-ip=209.51.188.17; helo=lists1p.gnu.org;\n envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org;\n receiver=patchwork.ozlabs.org)"],"Received":["from lists1p.gnu.org (lists1p.gnu.org [209.51.188.17])\n\t(using TLSv1.2 with cipher ECDHE-ECDSA-AES256-GCM-SHA384 (256/256 bits))\n\t(No client certificate requested)\n\tby legolas.ozlabs.org (Postfix) with ESMTPS id 4g1NyD3fK1z1y2d\n\tfor ; Thu, 23 Apr 2026 14:53:06 +1000 (AEST)","from localhost ([::1] helo=lists1p.gnu.org)\n\tby lists1p.gnu.org with esmtp (Exim 4.90_1)\n\t(envelope-from )\n\tid 1wFm3B-00014Y-P3; Thu, 23 Apr 2026 00:52:29 -0400","from eggs.gnu.org ([2001:470:142:3::10])\n by lists1p.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256)\n (Exim 4.90_1) (envelope-from ) id 1wFm3A-000148-DW\n for qemu-devel@nongnu.org; Thu, 23 Apr 2026 00:52:28 -0400","from us-smtp-delivery-124.mimecast.com ([170.10.133.124])\n by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256)\n (Exim 4.90_1) (envelope-from ) id 1wFm38-0004pX-QH\n for qemu-devel@nongnu.org; Thu, 23 Apr 2026 00:52:28 -0400","from mail-wr1-f71.google.com (mail-wr1-f71.google.com\n [209.85.221.71]) by relay.mimecast.com with ESMTP with STARTTLS\n (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id\n us-mta-556-vrD7aMraPQG2S7IBBjGttw-1; Thu, 23 Apr 2026 00:52:23 -0400","by mail-wr1-f71.google.com with SMTP id\n ffacd0b85a97d-4362197d1easo4694539f8f.2\n for ; Wed, 22 Apr 2026 21:52:23 -0700 (PDT)","from [192.168.0.9] ([47.64.114.147])\n by smtp.gmail.com with ESMTPSA id\n ffacd0b85a97d-43fe4e3a174sm55484214f8f.18.2026.04.22.21.52.20\n (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128);\n Wed, 22 Apr 2026 21:52:21 -0700 (PDT)"],"DKIM-Signature":["v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com;\n s=mimecast20190719; t=1776919945;\n h=from:from:reply-to:subject:subject:date:date:message-id:message-id:\n to:to:cc:cc:mime-version:mime-version:content-type:content-type:\n content-transfer-encoding:content-transfer-encoding:\n in-reply-to:in-reply-to:references:references:autocrypt:autocrypt;\n bh=zCe+Yvs+3z5dhrSnxl/ObpacRV9+S2dbQIPz720xQH4=;\n b=HXM9RgryHY8k31dri/rL74G8S1T8auM10CtLD7oprOttmc3vx8hlRZt7HuH9Co5UMWF88k\n scswP8F8SFfkKyNvmJIVfNb/3V8XvgrIwIxRHfDlHD9F8Oqd/q/8/K9mMWDi7HN7P4iG4c\n iTo/Qab6t3dplyGNKdlz8+k5FKfMITU=","v=1; a=rsa-sha256; c=relaxed/relaxed;\n d=redhat.com; s=google; t=1776919942; x=1777524742; darn=nongnu.org;\n h=content-transfer-encoding:in-reply-to:autocrypt:from\n :content-language:references:cc:to:subject:user-agent:mime-version\n :date:message-id:from:to:cc:subject:date:message-id:reply-to;\n bh=zCe+Yvs+3z5dhrSnxl/ObpacRV9+S2dbQIPz720xQH4=;\n b=WxE2/b3ijskcRBgG/LNruIvLw+ORAHOAYu59c42E8rX2H1BNDi3TZFVM1SqiGAP9ZD\n ArTlRyitZoMDB3dhXODmQV4u8zPYjf4j2OViycJQdl/fEYKy6/S8QxUIMqPngVcfa740\n EIecR7OxSSHHMq1B07kg4JY0v0Xz2eXnFyBp2ikbpAnwk0d0HRWVak8BrXCEDVlsmvbM\n NI6HapMo6ojIe0sULP4y8Lgk1UG7nOQtwRIuSWWsFf+aUWHfR9SCFBBaqICSw2zRZ1AM\n VSYDHMVAE76EKsSRFMUaSh8lhMcxBjOTpzrXptFVkX1Woa871Uc6joFZvxVJE4w6Lbmo\n V58w=="],"X-MC-Unique":"vrD7aMraPQG2S7IBBjGttw-1","X-Mimecast-MFC-AGG-ID":"vrD7aMraPQG2S7IBBjGttw_1776919942","X-Google-DKIM-Signature":"v=1; a=rsa-sha256; c=relaxed/relaxed;\n d=1e100.net; s=20251104; t=1776919942; x=1777524742;\n h=content-transfer-encoding:in-reply-to:autocrypt:from\n :content-language:references:cc:to:subject:user-agent:mime-version\n :date:message-id:x-gm-gg:x-gm-message-state:from:to:cc:subject:date\n :message-id:reply-to;\n bh=zCe+Yvs+3z5dhrSnxl/ObpacRV9+S2dbQIPz720xQH4=;\n b=EC4PIHN7Ps0ZAmJ2n7aNJqu2VRnL/jNYku+EVhtV8PBOySBe+dNYJjBs1NAmA6U/Uu\n f5YTWy9a2VLvRCKztg9jBFnoJWkyrgc++sQzjwecsS1sWtA4s/3SXSXPclleoD8J3tvl\n wGh21m8ryCfCd/r9xKS/nN/ss/DEfIrmSki6TA/7ZMwmi3Db9KNqKkw2zwAqrsyyOKeY\n DvXIzZgv8fqw4j7vbvvhPpC5O8MKjixgOUtskSwMKAo9/oiwKFSLHIrVCjvlZ4lTRdmp\n Eb4wT6G5E7eOb4FdWcGfRmmA+kcWyloo43yB7Q7Ixghcdp5X0TTAWhuQGQdma8UUetMg\n cxIg==","X-Forwarded-Encrypted":"i=1;\n AFNElJ/CD95LYfqaMEHvP3JlEmDmBZd0ktHrTL7w1a0wEcNskGgIAkblO+ADfG5MjQbiaFHqE2qJ70ELpEbx@nongnu.org","X-Gm-Message-State":"AOJu0Yz3l8+oht7xHz8N7apx2s6uiF64gohu9ZQ9IqxIQzCVQ8j/KVOP\n N8KZQuwuId6V/FtXpVEemDqLsExdFXkCQMLLo4w5N4aQ1CI81RzSLwgzQ9gIWuKFLlZzeG5bM9A\n 1pUeQe/zObmAUW/wHI75aII/C7IGBVHCFP3lcx+gO3DsXJpZd1WXIDljQ","X-Gm-Gg":"AeBDiesH66cRqkfuuVVJQo/DtD8qfrytr7ciDtOmSTuTBz3IOA6JPJmoXQGte3Dos9w\n x3Cd/qg8cPPme+xFgQoU9nZCfmIlOeElutY6Y2YDEy5NQ4JT3QvYiZe+7sOYTXbeLB0oPHakC2C\n BnG+pCiQ3ObYTPjIfjxDr25pNaX+hThreZjkC/Y3Ot072X4yF0dniqp3rBzH9Ou88WNmPJ1eI0D\n Mb5kU43sXRjVfAJc4r4xBj90SrfPkXLKDmpXpB7Dx9HT1IjN+9wXeuP90UO7c3WgxISdiNj/7V8\n Ovdu4zl8zk+01zT4pxwvwAVqV3Hr2KnAIcS0MaWZILiVitxrkT4y5IJcMmuSx92KcjKuWnMPEzG\n Yb/Ciuw/55dRlSu6RaOtLs4uwu2Irbg==","X-Received":["by 2002:a05:6000:200c:b0:439:bd70:610f with SMTP id\n ffacd0b85a97d-43fe3e13c17mr39738471f8f.44.1776919942142;\n Wed, 22 Apr 2026 21:52:22 -0700 (PDT)","by 2002:a05:6000:200c:b0:439:bd70:610f with SMTP id\n ffacd0b85a97d-43fe3e13c17mr39738451f8f.44.1776919941717;\n Wed, 22 Apr 2026 21:52:21 -0700 (PDT)"],"Message-ID":"<624cf04d-6188-458d-bca6-dd5ffec877ab@redhat.com>","Date":"Thu, 23 Apr 2026 06:52:19 +0200","MIME-Version":"1.0","User-Agent":"Mozilla Thunderbird","Subject":"Re: [PATCH v1] tests/functional: Make socat wait longer in migration\n exec test","To":"Fabiano Rosas , qemu-devel@nongnu.org","Cc":"Peter Xu ","References":"<20260422230001.3168-1-farosas@suse.de>","Content-Language":"en-US","From":"Thomas Huth ","Autocrypt":"addr=thuth@redhat.com; keydata=\n xsFNBFH7eUwBEACzyOXKU+5Pcs6wNpKzrlJwzRl3VGZt95VCdb+FgoU9g11m7FWcOafrVRwU\n yYkTm9+7zBUc0sW5AuPGR/dp3pSLX/yFWsA/UB4nJsHqgDvDU7BImSeiTrnpMOTXb7Arw2a2\n 4CflIyFqjCpfDM4MuTmzTjXq4Uov1giGE9X6viNo1pxyEpd7PanlKNnf4PqEQp06X4IgUacW\n tSGj6Gcns1bCuHV8OPWLkf4hkRnu8hdL6i60Yxz4E6TqlrpxsfYwLXgEeswPHOA6Mn4Cso9O\n 0lewVYfFfsmokfAVMKWzOl1Sr0KGI5T9CpmRfAiSHpthhHWnECcJFwl72NTi6kUcUzG4se81\n O6n9d/kTj7pzTmBdfwuOZ0YUSqcqs0W+l1NcASSYZQaDoD3/SLk+nqVeCBB4OnYOGhgmIHNW\n 0CwMRO/GK+20alxzk//V9GmIM2ACElbfF8+Uug3pqiHkVnKqM7W9/S1NH2qmxB6zMiJUHlTH\n gnVeZX0dgH27mzstcF786uPcdEqS0KJuxh2kk5IvUSL3Qn3ZgmgdxBMyCPciD/1cb7/Ahazr\n 3ThHQXSHXkH/aDXdfLsKVuwDzHLVSkdSnZdt5HHh75/NFHxwaTlydgfHmFFwodK8y/TjyiGZ\n zg2Kje38xnz8zKn9iesFBCcONXS7txENTzX0z80WKBhK+XSFJwARAQABzR5UaG9tYXMgSHV0\n aCA8dGh1dGhAcmVkaGF0LmNvbT7CwXgEEwECACIFAlVgX6oCGwMGCwkIBwMCBhUIAgkKCwQW\n AgMBAh4BAheAAAoJEC7Z13T+cC21EbIP/ii9cvT2HHGbFRl8HqGT6+7Wkb+XLMqJBMAIGiQK\n QIP3xk1HPTsLfVG0ao4hy/oYkGNOP8+ubLnZen6Yq3zAFiMhQ44lvgigDYJo3Ve59gfe99KX\n EbtB+X95ODARkq0McR6OAsPNJ7gpEUzfkQUUJTXRDQXfG/FX303Gvk+YU0spm2tsIKPl6AmV\n 1CegDljzjycyfJbk418MQmMu2T82kjrkEofUO2a24ed3VGC0/Uz//XCR2ZTo+vBoBUQl41BD\n eFFtoCSrzo3yPFS+w5fkH9NT8ChdpSlbNS32NhYQhJtr9zjWyFRf0Zk+T/1P7ECn6gTEkp5k\n ofFIA4MFBc/fXbaDRtBmPB0N9pqTFApIUI4vuFPPO0JDrII9dLwZ6lO9EKiwuVlvr1wwzsgq\n zJTPBU3qHaUO4d/8G+gD7AL/6T4zi8Jo/GmjBsnYaTzbm94lf0CjXjsOX3seMhaE6WAZOQQG\n tZHAO1kAPWpaxne+wtgMKthyPLNwelLf+xzGvrIKvLX6QuLoWMnWldu22z2ICVnLQChlR9d6\n WW8QFEpo/FK7omuS8KvvopFcOOdlbFMM8Y/8vBgVMSsK6fsYUhruny/PahprPbYGiNIhKqz7\n UvgyZVl4pBFjTaz/SbimTk210vIlkDyy1WuS8Zsn0htv4+jQPgo9rqFE4mipJjy/iboDzsFN\n BFH7eUwBEAC2nzfUeeI8dv0C4qrfCPze6NkryUflEut9WwHhfXCLjtvCjnoGqFelH/PE9NF4\n 4VPSCdvD1SSmFVzu6T9qWdcwMSaC+e7G/z0/AhBfqTeosAF5XvKQlAb9ZPkdDr7YN0a1XDfa\n +NgA+JZB4ROyBZFFAwNHT+HCnyzy0v9Sh3BgJJwfpXHH2l3LfncvV8rgFv0bvdr70U+On2XH\n 5bApOyW1WpIG5KPJlDdzcQTyptOJ1dnEHfwnABEfzI3dNf63rlxsGouX/NFRRRNqkdClQR3K\n gCwciaXfZ7ir7fF0u1N2UuLsWA8Ei1JrNypk+MRxhbvdQC4tyZCZ8mVDk+QOK6pyK2f4rMf/\n WmqxNTtAVmNuZIwnJdjRMMSs4W4w6N/bRvpqtykSqx7VXcgqtv6eqoDZrNuhGbekQA0sAnCJ\n VPArerAZGArm63o39me/bRUQeQVSxEBmg66yshF9HkcUPGVeC4B0TPwz+HFcVhheo6hoJjLq\n knFOPLRj+0h+ZL+D0GenyqD3CyuyeTT5dGcNU9qT74bdSr20k/CklvI7S9yoQje8BeQAHtdV\n cvO8XCLrpGuw9SgOS7OP5oI26a0548M4KldAY+kqX6XVphEw3/6U1KTf7WxW5zYLTtadjISB\n X9xsRWSU+Yqs3C7oN5TIPSoj9tXMoxZkCIHWvnqGwZ7JhwARAQABwsFfBBgBAgAJBQJR+3lM\n AhsMAAoJEC7Z13T+cC21hPAQAIsBL9MdGpdEpvXs9CYrBkd6tS9mbaSWj6XBDfA1AEdQkBOn\n ZH1Qt7HJesk+qNSnLv6+jP4VwqK5AFMrKJ6IjE7jqgzGxtcZnvSjeDGPF1h2CKZQPpTw890k\n fy18AvgFHkVk2Oylyexw3aOBsXg6ukN44vIFqPoc+YSU0+0QIdYJp/XFsgWxnFIMYwDpxSHS\n 5fdDxUjsk3UBHZx+IhFjs2siVZi5wnHIqM7eK9abr2cK2weInTBwXwqVWjsXZ4tq5+jQrwDK\n cvxIcwXdUTLGxc4/Z/VRH1PZSvfQxdxMGmNTGaXVNfdFZjm4fz0mz+OUi6AHC4CZpwnsliGV\n ODqwX8Y1zic9viSTbKS01ZNp175POyWViUk9qisPZB7ypfSIVSEULrL347qY/hm9ahhqmn17\n Ng255syASv3ehvX7iwWDfzXbA0/TVaqwa1YIkec+/8miicV0zMP9siRcYQkyTqSzaTFBBmqD\n oiT+z+/E59qj/EKfyce3sbC9XLjXv3mHMrq1tKX4G7IJGnS989E/fg6crv6NHae9Ckm7+lSs\n IQu4bBP2GxiRQ+NV3iV/KU3ebMRzqIC//DCOxzQNFNJAKldPe/bKZMCxEqtVoRkuJtNdp/5a\n yXFZ6TfE1hGKrDBYAm4vrnZ4CXFSBDllL59cFFOJCkn4Xboj/aVxxJxF30bn","In-Reply-To":"<20260422230001.3168-1-farosas@suse.de>","Content-Type":"text/plain; charset=UTF-8; format=flowed","Content-Transfer-Encoding":"7bit","Received-SPF":"pass client-ip=170.10.133.124; envelope-from=thuth@redhat.com;\n helo=us-smtp-delivery-124.mimecast.com","X-Spam_score_int":"-20","X-Spam_score":"-2.1","X-Spam_bar":"--","X-Spam_report":"(-2.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001,\n DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1,\n RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H5=0.001, RCVD_IN_MSPIKE_WL=0.001,\n SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no","X-Spam_action":"no action","X-BeenThere":"qemu-devel@nongnu.org","X-Mailman-Version":"2.1.29","Precedence":"list","List-Id":"qemu development ","List-Unsubscribe":",\n ","List-Archive":"","List-Post":"","List-Help":"","List-Subscribe":",\n ","Errors-To":"qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org","Sender":"qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org"}},{"id":3681518,"web_url":"http://patchwork.ozlabs.org/comment/3681518/","msgid":"","list_archive_url":null,"date":"2026-04-23T15:02:24","subject":"Re: [PATCH v1] tests/functional: Make socat wait longer in migration\n exec test","submitter":{"id":67717,"url":"http://patchwork.ozlabs.org/api/people/67717/","name":"Peter Xu","email":"peterx@redhat.com"},"content":"On Thu, Apr 23, 2026 at 06:52:19AM +0200, Thomas Huth wrote:\n> On 23/04/2026 01.00, Fabiano Rosas wrote:\n> > The migration_with_exec test is failing sporadically for all\n> > architectures due to a race when the destination socat process takes\n> > too long to start listening while the source process is already\n> > issuing connect().\n> > \n> > The race is inherent because the exec: migration spawns the\n> > to-be-exec'ed command asynchronously and returns from the\n> > migrate-incoming command. The localhost-only testcase is not\n> > representative of the majority of migrations. In a real scenario\n> > between two different hosts that race wouldn't happen.\n> > \n> > Fix the testcase by configuring the source socat command to wait\n> > indefinitely while trying to connect.\n> > \n> > Signed-off-by: Fabiano Rosas \n> > ---\n> > tests/functional/migration.py | 2 +-\n> > 1 file changed, 1 insertion(+), 1 deletion(-)\n> > \n> > diff --git a/tests/functional/migration.py b/tests/functional/migration.py\n> > index 144f091ba8..3b7674af3b 100644\n> > --- a/tests/functional/migration.py\n> > +++ b/tests/functional/migration.py\n> > @@ -85,5 +85,5 @@ def migration_with_exec(self):\n> > with Ports() as ports:\n> > free_port = self._get_free_port(ports)\n> > dst_uri = 'exec:socat TCP-LISTEN:%u -' % free_port\n> > - src_uri = 'exec:socat - TCP:localhost:%u' % free_port\n> > + src_uri = 'exec:socat - TCP:localhost:%u,forever' % free_port\n> \n> Maybe use \"retry=90\" instead? OTOH, we have the high level timeout from the\n> meson runner, so we should not hang here forever by accident anyway.\n\nYes, IMHO it'll be good to stick with one timeout mechanism rather than\nadding more magical timeouts.\n\n> \n> Thus:\n> Reviewed-by: Thomas Huth \n\nReviewed-by: Peter Xu ","headers":{"Return-Path":"","X-Original-To":"incoming@patchwork.ozlabs.org","Delivered-To":"patchwork-incoming@legolas.ozlabs.org","Authentication-Results":["legolas.ozlabs.org;\n\tdkim=pass (1024-bit key;\n unprotected) header.d=redhat.com header.i=@redhat.com header.a=rsa-sha256\n header.s=mimecast20190719 header.b=T66plSQu;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=redhat.com header.i=@redhat.com header.a=rsa-sha256\n header.s=google header.b=LX7++ek5;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org\n (client-ip=209.51.188.17; helo=lists1p.gnu.org;\n envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org;\n receiver=patchwork.ozlabs.org)"],"Received":["from lists1p.gnu.org (lists1p.gnu.org [209.51.188.17])\n\t(using TLSv1.2 with cipher ECDHE-ECDSA-AES256-GCM-SHA384 (256/256 bits))\n\t(No client certificate requested)\n\tby legolas.ozlabs.org (Postfix) with ESMTPS id 4g1fV44srRz1yCv\n\tfor ; Fri, 24 Apr 2026 01:03:08 +1000 (AEST)","from localhost ([::1] helo=lists1p.gnu.org)\n\tby lists1p.gnu.org with esmtp (Exim 4.90_1)\n\t(envelope-from )\n\tid 1wFvZp-0000H1-3H; Thu, 23 Apr 2026 11:02:49 -0400","from eggs.gnu.org ([2001:470:142:3::10])\n by lists1p.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256)\n (Exim 4.90_1) (envelope-from ) id 1wFvZm-0000FC-PH\n for qemu-devel@nongnu.org; Thu, 23 Apr 2026 11:02:46 -0400","from us-smtp-delivery-124.mimecast.com ([170.10.133.124])\n by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256)\n (Exim 4.90_1) (envelope-from ) id 1wFvZg-0005sF-Rx\n for qemu-devel@nongnu.org; Thu, 23 Apr 2026 11:02:46 -0400","from mail-qv1-f72.google.com (mail-qv1-f72.google.com\n [209.85.219.72]) by relay.mimecast.com with ESMTP with STARTTLS\n (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id\n us-mta-532-voICOCLFNdWqj2p36NKkAA-1; Thu, 23 Apr 2026 11:02:29 -0400","by mail-qv1-f72.google.com with SMTP id\n 6a1803df08f44-8a5f6110c1cso162185136d6.0\n for ; Thu, 23 Apr 2026 08:02:29 -0700 (PDT)","from x1.local ([142.189.10.167]) by smtp.gmail.com with ESMTPSA id\n 6a1803df08f44-8b02ae97d89sm162365926d6.42.2026.04.23.08.02.26\n (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256);\n Thu, 23 Apr 2026 08:02:26 -0700 (PDT)"],"DKIM-Signature":["v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com;\n s=mimecast20190719; t=1776956552;\n h=from:from:reply-to:subject:subject:date:date:message-id:message-id:\n to:to:cc:cc:mime-version:mime-version:content-type:content-type:\n in-reply-to:in-reply-to:references:references;\n bh=VlqxFzLd9mqHQa0AVwC1cwgWvpMpWN+zdB1R6mN7Meo=;\n b=T66plSQuiQow11gOvlWj0F1aJNBM/GdOGXxrYYY76riBGhbtaQcni8A9Zz3M0gCfRMbtPN\n vyfKHH90C6sJVvWgmN9SoNAVdvQjpVBNFmHObB9nzmTYQc2Qic4gXvb1VEZYutGJDZSjRp\n Gre/v7VhvXwwL5QzneEpyzMpQMInTiY=","v=1; a=rsa-sha256; c=relaxed/relaxed;\n d=redhat.com; s=google; t=1776956549; x=1777561349; darn=nongnu.org;\n h=in-reply-to:content-disposition:mime-version:references:message-id\n :subject:cc:to:from:date:from:to:cc:subject:date:message-id:reply-to;\n bh=VlqxFzLd9mqHQa0AVwC1cwgWvpMpWN+zdB1R6mN7Meo=;\n b=LX7++ek5b0Q0b+Ojkx8i0N9tguZLX3bLjyimpUMpcMrSlmTGMmrFQfXPk4IH79TbtV\n r3rkbDxycbL+1WLwJL5kYSBLwX95c1UAHV3Wous3lqDTH8pbtY7a3NKUc1NvFlz/SKdY\n rJBgb0fSdkRBNnPmPE/2FWyURVAscvMQrzU7QmtBAxyfy3BOTFD3W/ZmVpesLANK5Rtf\n z/5eNF1/qAxDJBCRusdm72k+AuAgmU0pAohbvsxImRTYToQ8j01ieTqEqmv/rhJcdZmc\n QmUvVPtNxErwg4SHv4sFHtBUvjANOvmajjcyYmx9OjW4bgk7lRuRNkXtaKt/bfeOHCtt\n 0PFA=="],"X-MC-Unique":"voICOCLFNdWqj2p36NKkAA-1","X-Mimecast-MFC-AGG-ID":"voICOCLFNdWqj2p36NKkAA_1776956549","X-Google-DKIM-Signature":"v=1; a=rsa-sha256; c=relaxed/relaxed;\n d=1e100.net; s=20251104; t=1776956549; x=1777561349;\n h=in-reply-to:content-disposition:mime-version:references:message-id\n :subject:cc:to:from:date:x-gm-gg:x-gm-message-state:from:to:cc\n :subject:date:message-id:reply-to;\n bh=VlqxFzLd9mqHQa0AVwC1cwgWvpMpWN+zdB1R6mN7Meo=;\n b=CMroFcmTIr2LJ/9iPDnA+QrQEnNpKPlnyfbqUnjjB7Yo3SdYCrJ95bKa0DJ8CmdnNz\n vdv29YfrTPB1IfWii1dWo+Qte0ER16edeUDq7KidEtRvWk9/ZFUyKNAoDA8dLaMrEuUR\n /cUy6zxfclsvuDAVuBs0bo3HG6iD16Toa757hoyGyqhEX/PuDwKvsenbSm/eMkqKmCBO\n aQwP1rj5pDOycV3oV2hyKDkpYDDAaOKNQnYbfmq4Byj9LK2Zx9QnE6W11kvJlcv/2NR5\n sYuAssP7kzqJx4f/AIZvFTWvAyyER7wdxXX/73Kp97AMBxAP3bcgUC5JuTriIkpz5VPm\n SLfA==","X-Forwarded-Encrypted":"i=1;\n AFNElJ+uTMUw0zTelyfyc8FLpU6cJpJFbPjqD4XSCu9nn/0taUF1IsqesexBCI/bSqgBb/HXF3hSAbUHpcCG@nongnu.org","X-Gm-Message-State":"AOJu0Yw7Mo0+BYI5bdHpaEea4rWY8XY414i71CfaQpFpmujK1kkBly4g\n FmjGakDdmwqPBMZmFjm3JvaYOfM8/EH5G1u+vSXGoQZgNe1xQG+u4t+0Klb/UX4gJvKy8Tfuae+\n 2eK1EVRkmaqOb8C/p8fJ1I/7ezm/VTRcYokngIcKvgGTmmaLqR88ooexL","X-Gm-Gg":"AeBDiesK8veomfDgwnp/X2SgwYdlnl5+Y0wozu09dwsDm3MbbmnuVMRVfXJFZABcgIw\n TksZmVHjiEgxWQhq0iqCPDO63bxj75l+edrVIxt58FM4chQUku1/NRmnI+YtETg0vhRnpc0XX7Y\n JZoDjUYXNLRIht9ttBZ+KfzZDj/p6cEYfuAvi/5PXc4mG/uPphLADSaINSzbRPfDMhEFGcfDSVC\n xBIaRkAJw9hNzd0abxXNbG55bvF1CE4yrlfqF5Q5v5rlxyAz2LvbJ6bCO9DJ0a/LoVshh+aJf9r\n tHAslJ2EkiJxehnVymqJs4K4v2G8Onjg/zkrI7eo6SpcAe1rd4u3muNOt2DYl4paYFdrNSPZr7s\n z35dBrXDCecCQRVqSEMMK9uPrUVlZlSrgsYosqYpVpMlwmVkm1knkx0xM2Q==","X-Received":["by 2002:a05:6214:451a:b0:8aa:a025:78e3 with SMTP id\n 6a1803df08f44-8b027fd1cc8mr471955976d6.6.1776956547934;\n Thu, 23 Apr 2026 08:02:27 -0700 (PDT)","by 2002:a05:6214:451a:b0:8aa:a025:78e3 with SMTP id\n 6a1803df08f44-8b027fd1cc8mr471955126d6.6.1776956547336;\n Thu, 23 Apr 2026 08:02:27 -0700 (PDT)"],"Date":"Thu, 23 Apr 2026 11:02:24 -0400","From":"Peter Xu ","To":"Thomas Huth ","Cc":"Fabiano Rosas , qemu-devel@nongnu.org","Subject":"Re: [PATCH v1] tests/functional: Make socat wait longer in migration\n exec test","Message-ID":"","References":"<20260422230001.3168-1-farosas@suse.de>\n <624cf04d-6188-458d-bca6-dd5ffec877ab@redhat.com>","MIME-Version":"1.0","Content-Type":"text/plain; charset=utf-8","Content-Disposition":"inline","In-Reply-To":"<624cf04d-6188-458d-bca6-dd5ffec877ab@redhat.com>","Received-SPF":"pass client-ip=170.10.133.124; envelope-from=peterx@redhat.com;\n helo=us-smtp-delivery-124.mimecast.com","X-Spam_score_int":"-20","X-Spam_score":"-2.1","X-Spam_bar":"--","X-Spam_report":"(-2.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001,\n DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1,\n RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_PASS=-0.001,\n SPF_PASS=-0.001 autolearn=ham autolearn_force=no","X-Spam_action":"no action","X-BeenThere":"qemu-devel@nongnu.org","X-Mailman-Version":"2.1.29","Precedence":"list","List-Id":"qemu development ","List-Unsubscribe":",\n ","List-Archive":"","List-Post":"","List-Help":"","List-Subscribe":",\n ","Errors-To":"qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org","Sender":"qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org"}},{"id":3681523,"web_url":"http://patchwork.ozlabs.org/comment/3681523/","msgid":"","list_archive_url":null,"date":"2026-04-23T15:10:04","subject":"Re: [PATCH v1] tests/functional: Make socat wait longer in migration\n exec test","submitter":{"id":85046,"url":"http://patchwork.ozlabs.org/api/people/85046/","name":"Philippe Mathieu-Daudé","email":"philmd@linaro.org"},"content":"On 23/4/26 17:02, Peter Xu wrote:\n> On Thu, Apr 23, 2026 at 06:52:19AM +0200, Thomas Huth wrote:\n>> On 23/04/2026 01.00, Fabiano Rosas wrote:\n>>> The migration_with_exec test is failing sporadically for all\n>>> architectures due to a race when the destination socat process takes\n>>> too long to start listening while the source process is already\n>>> issuing connect().\n>>>\n>>> The race is inherent because the exec: migration spawns the\n>>> to-be-exec'ed command asynchronously and returns from the\n>>> migrate-incoming command. The localhost-only testcase is not\n>>> representative of the majority of migrations. In a real scenario\n>>> between two different hosts that race wouldn't happen.\n>>>\n>>> Fix the testcase by configuring the source socat command to wait\n>>> indefinitely while trying to connect.\n>>>\n>>> Signed-off-by: Fabiano Rosas \n>>> ---\n>>> tests/functional/migration.py | 2 +-\n>>> 1 file changed, 1 insertion(+), 1 deletion(-)\n>>>\n>>> diff --git a/tests/functional/migration.py b/tests/functional/migration.py\n>>> index 144f091ba8..3b7674af3b 100644\n>>> --- a/tests/functional/migration.py\n>>> +++ b/tests/functional/migration.py\n>>> @@ -85,5 +85,5 @@ def migration_with_exec(self):\n>>> with Ports() as ports:\n>>> free_port = self._get_free_port(ports)\n>>> dst_uri = 'exec:socat TCP-LISTEN:%u -' % free_port\n>>> - src_uri = 'exec:socat - TCP:localhost:%u' % free_port\n>>> + src_uri = 'exec:socat - TCP:localhost:%u,forever' % free_port\n>>\n>> Maybe use \"retry=90\" instead? OTOH, we have the high level timeout from the\n>> meson runner, so we should not hang here forever by accident anyway.\n> \n> Yes, IMHO it'll be good to stick with one timeout mechanism rather than\n> adding more magical timeouts.\n> \n>>\n>> Thus:\n>> Reviewed-by: Thomas Huth \n> \n> Reviewed-by: Peter Xu \n\nReviewed-by: Philippe Mathieu-Daudé ","headers":{"Return-Path":"","X-Original-To":"incoming@patchwork.ozlabs.org","Delivered-To":"patchwork-incoming@legolas.ozlabs.org","Authentication-Results":["legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=linaro.org header.i=@linaro.org header.a=rsa-sha256\n header.s=google header.b=GoB9qnHW;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org\n (client-ip=209.51.188.17; helo=lists1p.gnu.org;\n envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org;\n receiver=patchwork.ozlabs.org)"],"Received":["from lists1p.gnu.org (lists1p.gnu.org [209.51.188.17])\n\t(using TLSv1.2 with cipher ECDHE-ECDSA-AES256-GCM-SHA384 (256/256 bits))\n\t(No client certificate requested)\n\tby legolas.ozlabs.org (Postfix) with ESMTPS id 4g1fgJ3SPzz1yCv\n\tfor ; Fri, 24 Apr 2026 01:11:06 +1000 (AEST)","from localhost ([::1] helo=lists1p.gnu.org)\n\tby lists1p.gnu.org with esmtp (Exim 4.90_1)\n\t(envelope-from )\n\tid 1wFvh6-00026O-Qc; Thu, 23 Apr 2026 11:10:21 -0400","from eggs.gnu.org ([2001:470:142:3::10])\n by lists1p.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256)\n (Exim 4.90_1) (envelope-from ) id 1wFvh5-00026C-BB\n for qemu-devel@nongnu.org; Thu, 23 Apr 2026 11:10:19 -0400","from mail-wm1-x335.google.com ([2a00:1450:4864:20::335])\n by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128)\n (Exim 4.90_1) (envelope-from ) id 1wFvgv-0002HK-JQ\n for qemu-devel@nongnu.org; Thu, 23 Apr 2026 11:10:16 -0400","by mail-wm1-x335.google.com with SMTP id\n 5b1f17b1804b1-483487335c2so66797505e9.2\n for ; Thu, 23 Apr 2026 08:10:08 -0700 (PDT)","from [192.168.69.210] (88-187-86-199.subs.proxad.net.\n [88.187.86.199]) by smtp.gmail.com with ESMTPSA id\n 5b1f17b1804b1-488fb74c68asm165585585e9.3.2026.04.23.08.10.05\n (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128);\n Thu, 23 Apr 2026 08:10:06 -0700 (PDT)"],"DKIM-Signature":"v=1; a=rsa-sha256; c=relaxed/relaxed;\n d=linaro.org; s=google; t=1776957007; x=1777561807; darn=nongnu.org;\n h=content-transfer-encoding:in-reply-to:from:references:cc:to\n :content-language:subject:user-agent:mime-version:date:message-id\n :from:to:cc:subject:date:message-id:reply-to;\n bh=k/pJpG76VkUSN3CQatMLRrcrXzgH7z1W2IvgXoyPd7E=;\n b=GoB9qnHWCEBb+BXIqcVaSIqPFAEOLdABod4UFoHbgj06j7P1FNYEDHDhpSEKHlxEY1\n VZxTF+iP6L79DZlCJjfhsMHn3yJne9z7yYXz8nVcLMAe8sHfytL3oCyjWcYihVvXrXd7\n jEu8brV8i6czudKomFCqob6StPWwLMiIZPB0pk/v87rmif8qAcrFJEsTKBD8Y1duSLY9\n lpSQitx+uWkCka7qo5+Qd78Z08kySeztgBvdurPZKY31/UA2tdTdxLaGJGTmAhz3xJqv\n s3eRjXjfEnNSb7dAIKmgDwWOPxvuJzEWQI4ZrooFjTJcCrz+5/PgG83ZZnpi4jP+1JBc\n rjFQ==","X-Google-DKIM-Signature":"v=1; a=rsa-sha256; c=relaxed/relaxed;\n d=1e100.net; s=20251104; t=1776957007; x=1777561807;\n h=content-transfer-encoding:in-reply-to:from:references:cc:to\n :content-language:subject:user-agent:mime-version:date:message-id\n :x-gm-gg:x-gm-message-state:from:to:cc:subject:date:message-id\n :reply-to;\n bh=k/pJpG76VkUSN3CQatMLRrcrXzgH7z1W2IvgXoyPd7E=;\n b=UOCPsIUN/tWsu/lbbhWg20wi7s72laNKv+IquOnQV4XVEGQoNellh/oB2eMJfjv9AK\n 1QwEnBpZgVP8Cf//9g52SMSLAObE0sIxLeSZtRzLeUUCWEJJV09T528i51CWw8dZ4IhB\n er2wqKBo6GOcFpVjLphWUTebVYosBKoTga/r4eLLGD7P2Vhj1BIHvBo5S5IJoQgAc8pP\n cXa1jyJFLTi4KdvA47E5kId2iUiOOaRos4EpgnS+PJJHPeun3uuO8m+rEc7o96xl1RMj\n xJn1zOXkAJlCnelPTzqwRZ/YO1E4adEzunqqJd7qTQDJJs26tGcJM0oprgQ6jSHVhEdJ\n EheA==","X-Forwarded-Encrypted":"i=1;\n AFNElJ/Se2cE5esn+oJIw5acPl0fcUgGJLott/eA+rXuSOVjiTVteMWx9Ee/9K1Umt9tvSOc+uwGMp169BOr@nongnu.org","X-Gm-Message-State":"AOJu0Yw03TCIWorqUJtUXFuIpnxl4pxIX2jE3iYTza0zPQc9h6MEIwk8\n ec3yq/CUrLK+b5/4W/mKSQN6cnDy+C3SLFerdbmPvyFzp1BFRw/xDyM+jp8orCp3+rc=","X-Gm-Gg":"AeBDievkEZNbU0jq0kHI9XRHWqKR+1N/Xpsp7mB9mN+Y5Q2upR6LapQ4SEcL0kNczdj\n 24+vy5qUSqw9wdOChSh2E6Th5sP0UUmNCkqPH9A5Q9kBhgDkDKBCrXO6j/2QBUCaVMHpnX86tOM\n sSvOEpRBDYzB+4RdHYvLkM8GkU6f3EbQACUzbcp0IfDeI0azihZKUzWKzQksvjKl1kbC636jaJf\n 27caP74VrDCXcV7U1BYnCDv2c4TK7cpYRYKFfnUXB0jt9HUapPRSHqyfGYxOyas19COdDOAaIvy\n 2mYlqpas6cb5ABfi1ytPZV659NbamwHqfRAMHhQ3un723igcY/JjML261NynfaAIbckTkN9hJ0+\n aljbk2j6QL/qWpFgFhw8funxzSU2r00soIDiF9LiQBzw2meLbT72r762m9mgr+yq4CVgEFTh88x\n WfVZO4l3rroPfWGFrcmDCGiL1TLv/N+LvuKaswMVSDaKeCSme/p8Jhh3dXZipGPIhtPjfiWPQ2D\n P+q","X-Received":"by 2002:a05:600c:8883:b0:48a:5821:5ff2 with SMTP id\n 5b1f17b1804b1-48a582167c7mr130117975e9.8.1776957007085;\n Thu, 23 Apr 2026 08:10:07 -0700 (PDT)","Message-ID":"","Date":"Thu, 23 Apr 2026 17:10:04 +0200","MIME-Version":"1.0","User-Agent":"Mozilla Thunderbird","Subject":"Re: [PATCH v1] tests/functional: Make socat wait longer in migration\n exec test","Content-Language":"en-US","To":"Peter Xu , Thomas Huth ","Cc":"Fabiano Rosas , qemu-devel@nongnu.org","References":"<20260422230001.3168-1-farosas@suse.de>\n <624cf04d-6188-458d-bca6-dd5ffec877ab@redhat.com> ","From":"=?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= ","In-Reply-To":"","Content-Type":"text/plain; charset=UTF-8; format=flowed","Content-Transfer-Encoding":"8bit","Received-SPF":"pass client-ip=2a00:1450:4864:20::335;\n envelope-from=philmd@linaro.org; helo=mail-wm1-x335.google.com","X-Spam_score_int":"-20","X-Spam_score":"-2.1","X-Spam_bar":"--","X-Spam_report":"(-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1,\n DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1,\n RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001,\n SPF_PASS=-0.001 autolearn=ham autolearn_force=no","X-Spam_action":"no action","X-BeenThere":"qemu-devel@nongnu.org","X-Mailman-Version":"2.1.29","Precedence":"list","List-Id":"qemu development ","List-Unsubscribe":",\n ","List-Archive":"","List-Post":"","List-Help":"","List-Subscribe":",\n ","Errors-To":"qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org","Sender":"qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org"}}]