Received: from malur.postgresql.org ([217.196.149.56]) by arkaria.postgresql.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1vfjnM-004bKW-2d for pgsql-bugs@arkaria.postgresql.org; Tue, 13 Jan 2026 19:11:13 +0000 Received: from localhost ([127.0.0.1] helo=malur.postgresql.org) by malur.postgresql.org with esmtp (Exim 4.96) (envelope-from ) id 1vfjnM-006ANS-0D for pgsql-bugs@arkaria.postgresql.org; Tue, 13 Jan 2026 19:11:12 +0000 Received: from magus.postgresql.org ([2a02:c0:301:0:ffff::29]) by malur.postgresql.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1vfjnL-006ANK-0V for pgsql-bugs@lists.postgresql.org; Tue, 13 Jan 2026 19:11:12 +0000 Received: from fout-a5-smtp.messagingengine.com ([103.168.172.148]) by magus.postgresql.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1vfjnI-000Hfr-1K for pgsql-bugs@lists.postgresql.org; Tue, 13 Jan 2026 19:11:11 +0000 Received: from phl-compute-01.internal (phl-compute-01.internal [10.202.2.41]) by mailfout.phl.internal (Postfix) with ESMTP id 6526BEC029E; Tue, 13 Jan 2026 14:11:05 -0500 (EST) Received: from phl-frontend-04 ([10.202.2.163]) by phl-compute-01.internal (MEProxy); Tue, 13 Jan 2026 14:11:05 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=anarazel.de; h= cc:cc:content-type:content-type:date:date:from:from:in-reply-to :in-reply-to:message-id:mime-version:references:reply-to:subject :subject:to:to; s=fm2; t=1768331465; x=1768417865; bh=fRYZ+9/tej 9/ITLtzBtzJwZ/+4ReHjCE3JYdT//Sw7A=; b=kckVftevFTvC24AlXP8J8bRArO 2Mis3LwQre+KDL9z44mAK+lgpgkRWV86h4860WRVKEGBVFAjOyqoQDV5YRydNMyJ CUbfYExE0fKtfE3wbBRqTSAyQig5fkzY5qdZId61s0CBexCz+AEXZ//MUL+31qr0 kiRbuplXmvo9x3kg01KJeUNUEAq5M8Hxeoiq2r5cah8dI+4NNNXInFD73HK+CRcA 64wXl/fYQmxDTcOzjPZQjw58ODqs2M5Q6Uscbw+ZYC5zbFWgJKg4k17TlaVzcK2P lboTYvFS+ZWYlf7MOW1QXleV3Z4tb7KeX4LB0q4fNI8RtQZ5em0rsvO6Yn3Q== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=cc:cc:content-type:content-type:date:date :feedback-id:feedback-id:from:from:in-reply-to:in-reply-to :message-id:mime-version:references:reply-to:subject:subject:to :to:x-me-proxy:x-me-sender:x-me-sender:x-sasl-enc; s=fm2; t= 1768331465; x=1768417865; bh=fRYZ+9/tej9/ITLtzBtzJwZ/+4ReHjCE3JY dT//Sw7A=; b=roDlFP4UZBkg7BsZM1PBxIW8z8I/tNXnrV9vwPzj3GtJmaheh3w FGJO6jO3V7gD018gknig0JbsCCktmb/t4BbZ1uyIIUAnySOMNmfrKnQlqpH7ig2C kDdiBnLphczf+b1t/1JpwOyuGu1vIOJde7Uo8U0r9LsB+H+BCTY7YZzw7hbR9D46 A+7wTiSvlA36ncolcLw1hRPhCS5Aro4Rt7sFMM5ZEs3Nb6tdkRf1EHNV3l35IExU vtZRgXpsNeQZaiYKWdkbG9j1R+djnuZH9zeoCBJPl0/+kQYY2qbV4Lgycyi0cJ1w L+IuIyxsLYnzU3ND3maY5wObk6FAQgp3swA== X-ME-Sender: X-ME-Received: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgeefgedrtddtgdduvdduuddvucetufdoteggodetrf dotffvucfrrhhofhhilhgvmecuhfgrshhtofgrihhlpdfurfetoffkrfgpnffqhgenuceu rghilhhouhhtmecufedttdenucesvcftvggtihhpihgvnhhtshculddquddttddmnecujf gurhepfffhvfevuffkfhggtggujgesthdtsfdttddtvdenucfhrhhomheptehnughrvghs ucfhrhgvuhhnugcuoegrnhgurhgvshesrghnrghrrgiivghlrdguvgeqnecuggftrfgrth htvghrnhepfeffgfelvdffgedtveelgfdtgefghfdvkefggeetieevjeekteduleevjefh ueegnecuvehluhhsthgvrhfuihiivgeptdenucfrrghrrghmpehmrghilhhfrhhomheprg hnughrvghssegrnhgrrhgriigvlhdruggvpdhnsggprhgtphhtthhopeefpdhmohguvgep shhmthhpohhuthdprhgtphhtthhopegvvhhsihesrghmrgiiohhnrdgtohhmpdhrtghpth htohepshhurhihrghpohhonhgulhgrgeesghhmrghilhdrtghomhdprhgtphhtthhopehp ghhsqhhlqdgsuhhgsheslhhishhtshdrphhoshhtghhrvghsqhhlrdhorhhg X-ME-Proxy: Feedback-ID: id4a34324:Fastmail Received: by mail.messagingengine.com (Postfix) with ESMTPA; Tue, 13 Jan 2026 14:11:04 -0500 (EST) Date: Tue, 13 Jan 2026 14:11:04 -0500 From: Andres Freund To: surya poondla Cc: "Si, Evan" , "pgsql-bugs@lists.postgresql.org" Subject: Re: BUG #19369: Not documented that io_uring on kernel versions between 5.1 and below 5.6 does not work Message-ID: References: <19369-aa853da20e970a89@postgresql.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: List-Id: List-Help: List-Subscribe: List-Post: List-Owner: List-Archive: Archived-At: Precedence: bulk Hi, On 2026-01-13 11:06:20 -0800, surya poondla wrote: > Hi Evan, Andres, > > Here is the patch (attached). I think we ought to not just document the difference, but also emit a useful error message at startup... > I believe this change would also be a good candidate for backpatching to > previous supported versions. Yes, once we have something mergeable, it should definitely be added to 18 too. Greetings, Andres Freund