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)) (No client certificate requested) by lists.proxmox.com (Postfix) with ESMTPS id DF8708F36 for ; Tue, 7 Mar 2023 19:40:20 +0100 (CET) Received: from firstgate.proxmox.com (localhost [127.0.0.1]) by firstgate.proxmox.com (Proxmox) with ESMTP id B9E97181A0 for ; Tue, 7 Mar 2023 19:39:50 +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)) (No client certificate requested) by firstgate.proxmox.com (Proxmox) with ESMTPS for ; Tue, 7 Mar 2023 19:39:48 +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 9AE7041B34 for ; Tue, 7 Mar 2023 19:39:48 +0100 (CET) Message-ID: <37006bb4-04bb-1785-04e3-7a7f25449788@proxmox.com> Date: Tue, 7 Mar 2023 19:39:47 +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: <20230307141944.2337485-1-f.ebner@proxmox.com> From: Thomas Lamprecht In-Reply-To: <20230307141944.2337485-1-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 URIBL_BLOCKED 0.001 ADMINISTRATOR NOTICE: The query to URIBL was blocked. See http://wiki.apache.org/spamassassin/DnsBlocklists#dnsbl-block for more information. [proxmox.com] Subject: [pve-devel] applied: [PATCH kernel] add patch to fix issue with large IO requests 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: Tue, 07 Mar 2023 18:40:20 -0000 Am 07/03/2023 um 15:19 schrieb Fiona Ebner: > Several people reported IO-related issues since kernel 6.1.6 [0]. > Things got better with 6.1.10, but apparently the issues are not fully > resolved (e.g. [1]). > > I ran into an issue with PBS backup of a VM with passed-through disks > (error with 6.1.6, hang with 6.1.10+) and found that the issue did not > occur anymore with v6.3-rc1. Bisecting what fixed the issue led to the > commit in this patch. The hope is that it fixes some other issues too. > > The commit has a CC-stable tag for 5.15+, but telling from the absence > of user reports, it was much less likely to trigger before 6.1.x (it's > not clear what x is, because of the other issue in 6.1.6). The commit > says it depends on 613b14884b85 ("block: handle bio_split_to_limits() > NULL return") which is already present as a3f1c82e0413 ("block: > handle bio_split_to_limits() NULL return") in the Ubuntu tree. > > [0]: https://forum.proxmox.com/threads/119483/post-530365 > [1]: https://forum.proxmox.com/threads/119483/post-537991 > > Signed-off-by: Fiona Ebner > --- > ...w-multiple-bios-for-IOCB_NOWAIT-issu.patch | 69 +++++++++++++++++++ > 1 file changed, 69 insertions(+) > create mode 100644 patches/kernel/0018-block-don-t-allow-multiple-bios-for-IOCB_NOWAIT-issu.patch > > applied, thanks!