From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from gate001.proxmox.com (gate001.proxmox.com [45.144.208.40]) by lore.proxmox.com (Postfix) with ESMTPS id 8521B1FF0E1 for ; Thu, 27 Aug 2026 12:36:10 +0200 (CEST) Received: from gate001.proxmox.com (localhost.localdomain [127.0.0.1]) by gate001.proxmox.com (Proxmox) with ESMTP id 9DFDB2156F; Thu, 27 Aug 2026 12:36:01 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20251104; t=1787826945; x=1788431745; darn=lists.proxmox.com; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to:content-type; bh=ozs1CA4RtM6/lEn/NdhTfZOCSIzUwgJyTs8JwKsvY1I=; b=f2nra/NbINpb4Wga/r+YA18wpnPGeVQZQCor70i0BdBrljUYT21bF5IVlvvH5J9PWm cXAeGPflSgGYmd7mIxNxyI9eybC1TjreTpJ+vYmxJFfWEfrIS6UQR8UNReSW3MSpd97K /PQUI68E9/LLF4jHXexlxQH2pXYQ0aASuYVZs89a8JF5iI06lYxGe8HaoQt0bHVINVh2 yMV0fpgUmosadYGl/RcaMJ8xeHVdaMORO2JffzAufFbj9efSlKsqGRNQ4OKx4KMBVPHf QkUwjHgwluaTdGZglNyN3aY1jEK5oCUjMZLEFXahN1qPxDfdZG/jOYONs2W4Fq2yKqWG pn0g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1787826945; x=1788431745; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-gg:x-gm-message-state:from :to:cc:subject:date:message-id:reply-to:content-type; bh=ozs1CA4RtM6/lEn/NdhTfZOCSIzUwgJyTs8JwKsvY1I=; b=JDbU/8OWrE9Vt2JOJA9/GXu5mO/uKsnuqPuc/XZBvoof4f+S3zA2i6vVMeOH4dEvl6 nnVED/GbcAPhLEylzkmyA7PLaXnRL2TMBGBZH+8XVqKaJKG3R1TidEw/VJdqDHnVE3b8 2rFfC12xVBPqk09dd2s1RA1kL3REfvDjwyYZTE2Psr6yB+nigxNgdvOomsLSKW/EsOxX IEN7nelnhNh3HF7EA+4UVQqqVbL3+Ia2kRY8Q6uaJfe9VF4t3r5WV81ksUQEfbb2kC14 tT7/YMb25rN32H6eM1KTtzJmwVJNiVH2Wc5KO4b2nsdNkHNkRfuNLAR/Ct9bgxNDyCgD 9ozg== X-Gm-Message-State: AFuF++lwhpz6XALWVT0qg9QzL2AcLzo1uVXz8Ab3QISJVHSlWEig4aXI cbkvOTh0p6OyGwwUnCxprUVYlaz2t0gDM+x+7cYOFIJOgoU4aYAnhPuSwBmjPUISu1g= X-Gm-Gg: AR+sD13E6iqtj1L1isP0RNOlpVV+P3p600p5m0hTz/dGabAXd3EfCDB2l2bC/q869ZJ qprAt7WhQ+1sqoRAzOmgL/SYMI5NfEytON7w75pOewVDepu1y/e9a8ks+fERQ+MIhCg2HX9RQGi t1RTIvCh1lIG9I71h6qdwor2fJAKKPKa7ues/OgeOQqS5uHZsfTCHTDq+Z0k967XdVOLBI/Ukl3 D4gceOK0DlfTXI83eP9i7KkHeGXltWNtdzOaKlcrf1rh8EsHghn/AUBTmV6OxxABIR7drxsnOjH CPqoD+0TAVrif0Em/gbQmAnB4vEtJB56etJmFxsBpq/b8qTwGWUFWpxMvs1/YF0/muhMEqueX2l l66SDWgq/ptBMMfHgRlDb7VShRFORVjmS755h6mipqhsgK3mUvF/E0f++Nz5su/bJR8CFmdfZiA TCIVHQeqrg6p23tSg/+af6MuYtLDG54WJiALy8iuHPDKLPmuK1zY1fQr/DD0LjRKw54GoPA4Qdw 7hvbKpembsCwEno X-Received: by 2002:a05:6a00:b53:b0:848:30c3:45dd with SMTP id d2e1a72fcca58-85373fb687amr24453202b3a.11.1787826945214; Thu, 27 Aug 2026 03:35:45 -0700 (PDT) From: Kaiyang Wu X-Google-Original-From: Kaiyang Wu To: pve-devel@lists.proxmox.com Subject: [PATCH docs 2/3] qm: add document section for the pvpanic device Date: Thu, 27 Aug 2026 18:35:28 +0800 Message-ID: <20260827103529.393388-3-wukaiyang@loongfans.cn> X-Mailer: git-send-email 2.55.0 In-Reply-To: <20260827103529.393388-1-wukaiyang@loongfans.cn> References: <20260827103529.393388-1-wukaiyang@loongfans.cn> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-SPAM-LEVEL: Spam detection results: 0 DKIM_SIGNED 0.1 Message has a DKIM or DK signature, not necessarily valid DKIM_VALID -0.1 Message has at least one valid DKIM or DK signature DKIM_VALID_AU -0.1 Message has a valid DKIM or DK signature from author's domain DKIM_VALID_EF -0.1 Message has a valid DKIM or DK signature from envelope-from domain DMARC_PASS -0.1 DMARC pass policy FREEMAIL_ENVFROM_END_DIGIT 1 Envelope-from freemail username ends in digit FREEMAIL_FROM 0.001 Sender email is commonly abused enduser mail provider RCVD_IN_DNSWL_NONE -0.0001 Sender listed at https://www.dnswl.org/, no trust SPF_HELO_NONE 0.001 SPF: HELO does not publish an SPF Record SPF_PASS -0.001 SPF: sender matches SPF record Message-ID-Hash: DUFJE3JHULEFJCBPG5QLDZD42I6W6IRA X-Message-ID-Hash: DUFJE3JHULEFJCBPG5QLDZD42I6W6IRA X-MailFrom: wukaiyang2003@gmail.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 CC: Kaiyang Wu X-Mailman-Version: 3.3.10 Precedence: list List-Id: Proxmox VE development discussion List-Help: List-Owner: List-Post: List-Subscribe: List-Unsubscribe: Document the variants of the pvpanic device, and corresponding driver requirements on different virtual machine operating systems. Signed-off-by: Kaiyang Wu --- qm.adoc | 29 +++++++++++++++++++++++++++++ 1 file changed, 29 insertions(+) diff --git a/qm.adoc b/qm.adoc index 5b46cdc..afa7d32 100644 --- a/qm.adoc +++ b/qm.adoc @@ -1472,6 +1472,35 @@ tag (name used to mount the device on the guest). For more information on available virtiofsd parameters, see the https://gitlab.com/virtio-fs/virtiofsd[GitLab virtiofsd project page]. +[[qm_pvpanic]] +Pvpanic +~~~~~~~ + +Pvpanic is a device to send system panic events to QEMU. It allows to +provide extra VM status when the VM system crashes. + +To add a pvpanic device run the following command: + +---- +qm set -pvpanic0 +---- + +Supported pvpanic device types are: + +* `pvpanic`: pvpanic ISA device +* `pvpanic-pci`: pvpanic PCI device + +Linux VMs with kernel >=3.1 support pvpanic ISA device +(https://www.kernelconfig.io/CONFIG_PVPANIC[pvpanic ISA driver]), and with +kernel >=5.2 support pvpanic PCI device +(https://www.kernelconfig.io/CONFIG_PVPANIC_PCI[pvpanic PCI driver]). + +Windows VMs require +https://github.com/virtio-win/kvm-guest-drivers-windows/[kvm-guest-drivers-windows] +to use pvpanic. + +FreeBSD VMs do not support pvpanic. + [[qm_bootorder]] Device Boot Order ~~~~~~~~~~~~~~~~~ -- 2.55.0