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 4.94.2) (envelope-from ) id 1uIG8F-00196y-NO for pgsql-general@arkaria.postgresql.org; Fri, 23 May 2025 00:19:27 +0000 Received: from localhost ([127.0.0.1] helo=malur.postgresql.org) by malur.postgresql.org with esmtp (Exim 4.94.2) (envelope-from ) id 1uIG8D-00B9DD-RO for pgsql-general@arkaria.postgresql.org; Fri, 23 May 2025 00:19:25 +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 4.94.2) (envelope-from ) id 1uIG8D-00B9BP-3P for pgsql-general@lists.postgresql.org; Fri, 23 May 2025 00:19:25 +0000 Received: from fhigh-a7-smtp.messagingengine.com ([103.168.172.158]) by magus.postgresql.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1uIG87-000QVr-17 for pgsql-general@lists.postgresql.org; Fri, 23 May 2025 00:19:24 +0000 Received: from phl-compute-05.internal (phl-compute-05.phl.internal [10.202.2.45]) by mailfhigh.phl.internal (Postfix) with ESMTP id 3AC8F11401C4; Thu, 22 May 2025 20:19:17 -0400 (EDT) Received: from phl-mailfrontend-02 ([10.202.2.163]) by phl-compute-05.internal (MEProxy); Thu, 22 May 2025 20:19:17 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=aklaver.com; h= cc:content-transfer-encoding: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=1747959557; x=1748045957; bh=nTS8o++960Vc/IvfEHY0AH1BWC2V8p9BM7SVTMgCe88=; b= Ktc8YU1N0aO8mkfFBBrHc4twtr7XD+Ve5vLQ6PZkHro9Fv1uClQmntjMIot7+8Bw /uW4K1fZVs5tVb4VDk6aTbsCv1LjXUr2sXMHUk6BxqwgD3VC41PqDb0gN0dHuWJF Ov5NKU3+WCBKi7W1IbtxGQXq6ChqMJUA8VsO/h5nUkm6nf/71xCL+yJj8hvZRzLN ZODhqNGUvarwS03sZduxV2Tqp0okqCf1wggtcBebkLPqTEj1AIAn17uGlCS5Vn7V OSUvHUSxL9Tk+hW/zvLcrRhFOBbmi0OEnuFHLe00g+x9WLEEsobfGNM733+UnUpw SbPFqnDbiGRF7/q6Ist4yQ== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=cc:content-transfer-encoding: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=fm3; t=1747959557; x=1748045957; bh=n TS8o++960Vc/IvfEHY0AH1BWC2V8p9BM7SVTMgCe88=; b=tiNIVGx1hrRWetgCb pTsNl9o7ITZJU8pB8H/th3VGwaQ8h4pIsBVno89AgrMAuc3uTnEFUl40jNe0IpfT QqSwsHM2xFROovDYYBDiBcMDzEjlMYQjdP8YzcqqVu4FGdV5PH577Ql9Jgc0lY+6 rc7NndVxNU7wLOAoo/WTdOfOxniEA4jzfECRQGsJHzXhLT1FrKiAABtKSevJpSz/ G2gdFMKhDa69q3fwyqGs/k7S8Kf6JR7VFuH/plu186eZ4+15Th92D9B4mbyvkYxa 6ywoSGbg+YMNm5D+BK1Ym4gv4Xz5nHhBmH5uzpN8JC7KRZQ7Wyo60zeXT1Xk9yhx SBzQg== X-ME-Sender: X-ME-Received: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgeeffedrtddtgdejfeelucdltddurdegfedvrddttd dmucetufdoteggodetrfdotffvucfrrhhofhhilhgvmecuhfgrshhtofgrihhlpdggtfgf nhhsuhgsshgtrhhisggvpdfurfetoffkrfgpnffqhgenuceurghilhhouhhtmecufedttd enucesvcftvggtihhpihgvnhhtshculddquddttddmnecujfgurhepkfffgggfuffvfhfh jggtgfesthekredttddvjeenucfhrhhomheptegurhhirghnucfmlhgrvhgvrhcuoegrug hrihgrnhdrkhhlrghvvghrsegrkhhlrghvvghrrdgtohhmqeenucggtffrrghtthgvrhhn peffleegieefgfevudehtdfhkeeutdffjeevgeffgeejvedthefgudeiteefheejheenuc evlhhushhtvghrufhiiigvpedtnecurfgrrhgrmhepmhgrihhlfhhrohhmpegrughrihgr nhdrkhhlrghvvghrsegrkhhlrghvvghrrdgtohhmpdhnsggprhgtphhtthhopeefpdhmoh guvgepshhmthhpohhuthdprhgtphhtthhopegsrhgrhhhmrghirghhphhsqhhlsehgmhgr ihhlrdgtohhmpdhrtghpthhtohepfigvsghmrghsthgvrhesphhoshhtghhrvghsqhhlrd horhhgpdhrtghpthhtohepphhgshhqlhdqghgvnhgvrhgrlheslhhishhtshdrphhoshht ghhrvghsqhhlrdhorhhg X-ME-Proxy: Feedback-ID: i76984098:Fastmail Received: by mail.messagingengine.com (Postfix) with ESMTPA; Thu, 22 May 2025 20:19:16 -0400 (EDT) Message-ID: <6b61ddc1-3857-4045-b991-59b2478556ec@aklaver.com> Date: Thu, 22 May 2025 17:19:15 -0700 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: ProcSignalBarrier and ITC Issue To: Brahmaiah psql , webmaster@postgresql.org, pgsql-general@lists.postgresql.org References: Content-Language: en-US From: Adrian Klaver In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit List-Id: List-Help: List-Subscribe: List-Post: List-Owner: List-Archive: Archived-At: Precedence: bulk On 5/22/25 12:43, Brahmaiah psql wrote: > Hi Postgres Community, > > I Face error the ProcSignalBarrier and IPC > > When we are dropping the database, it is not dropped. Also, the database > is not connecting. The log file shows this error(LOG: still waiting for > backend with PID 4077 to accept ProcSignalBarrier). Now how to debug > this error. please support any one to this error. This is going to need a lot more information, for a start: 1) Postgres version. 2) Is the community version or a fork/hosted version? 3) The client being used and the complete query/command/code that is dropping the database. 4) The complete log message. > > Thank you, > Brahmaiah K -- Adrian Klaver adrian.klaver@aklaver.com