From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from firstgate.proxmox.com (firstgate.proxmox.com [212.224.123.68]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by lists.proxmox.com (Postfix) with ESMTPS id B505F9298 for ; Wed, 8 Mar 2023 15:13:22 +0100 (CET) Received: from firstgate.proxmox.com (localhost [127.0.0.1]) by firstgate.proxmox.com (Proxmox) with ESMTP id 9A1BE20F79 for ; Wed, 8 Mar 2023 15:13:22 +0100 (CET) Received: from proxmox-new.maurer-it.com (proxmox-new.maurer-it.com [94.136.29.106]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by firstgate.proxmox.com (Proxmox) with ESMTPS for ; Wed, 8 Mar 2023 15:13:18 +0100 (CET) Received: from proxmox-new.maurer-it.com (localhost.localdomain [127.0.0.1]) by proxmox-new.maurer-it.com (Proxmox) with ESMTP id CC37C4578B for ; Wed, 8 Mar 2023 15:13:17 +0100 (CET) Message-ID: <63f8c926-5039-ddc3-dc14-ebad97298266@proxmox.com> Date: Wed, 8 Mar 2023 15:13:17 +0100 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:111.0) Gecko/20100101 Thunderbird/111.0 Content-Language: en-GB, de-AT To: Proxmox VE development discussion , Fiona Ebner References: <20230308115105.91921-1-f.ebner@proxmox.com> From: Thomas Lamprecht In-Reply-To: <20230308115105.91921-1-f.ebner@proxmox.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-SPAM-LEVEL: Spam detection results: 0 AWL -0.051 Adjusted score from AWL reputation of From: address BAYES_00 -1.9 Bayes spam probability is 0 to 1% KAM_DMARC_STATUS 0.01 Test Rule for DKIM or SPF Failure with Strict Alignment SPF_HELO_NONE 0.001 SPF: HELO does not publish an SPF Record SPF_PASS -0.001 SPF: sender matches SPF record Subject: [pve-devel] applied: [PATCH qemu] add patch to avoid potential deadlock with trim for IDE/SATA and draining X-BeenThere: pve-devel@lists.proxmox.com X-Mailman-Version: 2.1.29 Precedence: list List-Id: Proxmox VE development discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 08 Mar 2023 14:13:22 -0000 Am 08/03/2023 um 12:51 schrieb Fiona Ebner: > In particular, the deadlock can occur, together with unlucky timing > between the QEMU threads, when the guest is issuing trim requests > during the start of a backup operation. > > Signed-off-by: Fiona Ebner > --- > ...ial-deadlock-when-draining-during-tr.patch | 78 +++++++++++++++++++ > debian/patches/series | 1 + > 2 files changed, 79 insertions(+) > create mode 100644 debian/patches/extra/0010-ide-avoid-potential-deadlock-when-draining-during-tr.patch > > applied, thanks!