From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from firstgate.proxmox.com (firstgate.proxmox.com [IPv6:2a01:7e0:0:424::9]) by lore.proxmox.com (Postfix) with ESMTPS id 63CFB1FF13B for ; Wed, 03 Jun 2026 16:34:40 +0200 (CEST) Received: from firstgate.proxmox.com (localhost [127.0.0.1]) by firstgate.proxmox.com (Proxmox) with ESMTP id 093F1EF8E; Wed, 3 Jun 2026 16:34:39 +0200 (CEST) From: Maximiliano Sandoval To: pve-devel@lists.proxmox.com Subject: [PATCH qemu-server] migrate: Add more context to error message Date: Wed, 3 Jun 2026 16:34:29 +0200 Message-ID: <20260603143434.494705-1-m.sandoval@proxmox.com> X-Mailer: git-send-email 2.47.3 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Bm-Milter-Handled: 55990f41-d878-4baa-be0a-ee34c49e34d2 X-Bm-Transport-Timestamp: 1780497238076 X-SPAM-LEVEL: Spam detection results: 0 AWL 0.127 Adjusted score from AWL reputation of From: address BAYES_00 -1.9 Bayes spam probability is 0 to 1% DMARC_MISSING 0.1 Missing DMARC policy 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. [qemumigrate.pm] Message-ID-Hash: S3S2AZSVRDZO5LBBJEINMC3UAHTRNBVW X-Message-ID-Hash: S3S2AZSVRDZO5LBBJEINMC3UAHTRNBVW X-MailFrom: m.sandoval@proxmox.com X-Mailman-Rule-Misses: dmarc-mitigation; no-senders; approved; loop; banned-address; emergency; member-moderation; nonmember-moderation; administrivia; implicit-dest; max-recipients; max-size; news-moderation; no-subject; digests; suspicious-header X-Mailman-Version: 3.3.10 Precedence: list List-Id: Proxmox VE development discussion List-Help: List-Owner: List-Post: List-Subscribe: List-Unsubscribe: For context, when the target node has a qemu-server version older than 9.0.20, the "nets-host-mtu" option will be unknown to it and migrating a VM having the option set will fail. This error message might appear, for example, in a task log and without any indication of where it was emitted from, which can make debugging harder. Signed-off-by: Maximiliano Sandoval --- Just a small improvement to and error message that came up in a support ticket. src/PVE/QemuMigrate.pm | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/PVE/QemuMigrate.pm b/src/PVE/QemuMigrate.pm index d4de9f87..ff7b3a39 100644 --- a/src/PVE/QemuMigrate.pm +++ b/src/PVE/QemuMigrate.pm @@ -1125,7 +1125,7 @@ sub phase2_start_local_cluster { noerr => 1, ); - die "target node $self->{node} is too old for preserving VirtIO-net MTU, please upgrade\n" + die "target node $self->{node} is too old for preserving VirtIO-net MTU, please upgrade qemu-server\n" if $target_nets_host_mtu_not_supported; die "remote command failed with exit code $exitcode\n" if $exitcode; -- 2.47.3