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 578A9713C1 for ; Mon, 28 Jun 2021 17:16:57 +0200 (CEST) Received: from firstgate.proxmox.com (localhost [127.0.0.1]) by firstgate.proxmox.com (Proxmox) with ESMTP id 4464A2D23D for ; Mon, 28 Jun 2021 17:16:27 +0200 (CEST) Received: from mx0.matrixscience.co.uk (mx0.matrixscience.co.uk [83.217.111.202]) by firstgate.proxmox.com (Proxmox) with ESMTP id 0D94E2D22F for ; Mon, 28 Jun 2021 17:16:26 +0200 (CEST) Received: from [127.0.0.1] (roadies-10-200-20-6.matrixscience.co.uk [10.200.20.6]) by mx0.matrixscience.co.uk (Postfix) with ESMTPS id D8C6F2C0226 for ; Mon, 28 Jun 2021 16:09:44 +0100 (BST) To: PVE User List From: Adam Weremczuk Message-ID: <267f44a3-24e1-1a44-d222-837f144bdfdb@matrixscience.com> Date: Mon, 28 Jun 2021 16:09:44 +0100 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:78.0) Gecko/20100101 Thunderbird/78.11.0 MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 8bit Content-Language: en-US X-SPAM-LEVEL: Spam detection results: 0 AWL 0.829 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-User] invoking ssh crashes container X-BeenThere: pve-user@lists.proxmox.com X-Mailman-Version: 2.1.29 Precedence: list List-Id: Proxmox VE user list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 28 Jun 2021 15:16:57 -0000 Hi all, I run a minimalistic Debian 10.10 container on Proxmox 6.2-6 dual host stack. It has 512 MB of memory assigned and most of the time uses about 10%. Every time I try to ssh from it (using bash in web console) to a different host the container crashes (powers off). Syslog records the following: (...) Jun 28 13:51:46 debian10 kernel: [26284286.210180] [  25629]  1006 25629     3205     1290    61440        0             0 ssh Jun 28 13:51:46 debian10 kernel: [26284286.210188] [  25634]  1006 25634     3205     1289    61440        0             0 ssh Jun 28 13:51:46 debian10 kernel: [26284286.210196] [  25640]  1006 25640     3205     1292    65536        0             0 ssh Jun 28 13:51:46 debian10 kernel: [26284286.210207] [  23745]     0 23745     4880     1753    73728        0             0 systemd-logind Jun 28 13:51:46 debian10 kernel: [26284286.210218] [    810] 0   810     3962     1576    65536        0         -1000 sshd Jun 28 13:51:46 debian10 kernel: [26284286.213678] ssh invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=0 Jun 28 13:51:46 debian10 kernel: [26284286.213729] dump_header+0x4f/0x1e1 Jun 28 13:51:46 debian10 kernel: [26284286.213770] mem_cgroup_try_charge+0x71/0x190 Jun 28 13:51:46 debian10 kernel: [26284286.213820] filemap_fault+0x86f/0xa60 Jun 28 13:51:46 debian10 kernel: [26284286.213971] __handle_mm_fault+0xeb0/0x12e0 Jun 28 13:51:46 debian10 kernel: [26284286.214035] RIP: 0033:0x5619b5c48930 Jun 28 13:51:46 debian10 kernel: [26284286.214286] [  24101]  1006 24101     3205     1088    65536      172             0 ssh Jun 28 13:51:46 debian10 kernel: [26284286.214293] [  24105]  1006 24105     3205     1108    65536      173             0 ssh Jun 28 13:51:46 debian10 kernel: [26284286.214299] [  24109]  1006 24109     3205     1103    65536      173             0 ssh (...) MANUAL POWER ON Jun 28 13:58:49 debian10 systemd-sysctl[44]: Couldn't write '1' to 'fs/protected_hardlinks', ignoring: Read-only file system Jun 28 13:58:49 debian10 systemd-sysctl[44]: Couldn't write '1' to 'fs/protected_symlinks', ignoring: Read-only file system Jun 28 13:58:49 debian10 systemd[1]: Starting Flush Journal to Persistent Storage... Jun 28 13:58:49 debian10 systemd[1]: Started Create System Users. (...) Any ideas? Regards, Adam