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From: Thomas Lamprecht <t.lamprecht@proxmox.com>
To: Proxmox VE development discussion <pve-devel@lists.proxmox.com>,
	Stefan Reiter <s.reiter@proxmox.com>,
	pbs-devel@lists.proxmox.com
Subject: Re: [pve-devel] [PATCH v2 00/11] live-restore for PBS snapshots
Date: Thu, 15 Apr 2021 20:35:46 +0200	[thread overview]
Message-ID: <542b7a50-7a1b-88e3-2fa3-5fc7498f2d4b@proxmox.com> (raw)
In-Reply-To: <20210303095612.7475-1-s.reiter@proxmox.com>

On 03.03.21 10:56, Stefan Reiter wrote:
> "live-restore" allows starting a VM immediately from a backup snapshot, no
> waiting for a long restore process. This is made possible with QEMU backing
> images, i.e. data is read from the backup which is attached to the VM as a
> drive, but new data is written to the destination, while a background process
> ('block-stream') copies over data in a linear fashion as well.

as mentioned off-list, it works good in general, but live-migration afterwards
seem to be broken, as resume on target fails:

kvm: ../target/i386/kvm.c:2538: kvm_put_msr_feature_control: Assertion `ret == 1' failed.

Stack trace of thread 1240139:
#0  0x00007f96834617bb __GI_raise (libc.so.6)
#1  0x00007f968344c535 __GI_abort (libc.so.6)
#2  0x00007f968344c40f __assert_fail_base (libc.so.6)
#3  0x00007f968345a102 __GI___assert_fail (libc.so.6)
#4  0x000055e795c18b82 kvm_put_msr_feature_control (qemu-system-x86_64)
#5  0x000055e795c9be7e do_kvm_cpu_synchronize_post_init (qemu-system-x86_64)
#6  0x000055e795acc5a6 process_queued_cpu_work (qemu-system-x86_64)
#7  0x000055e795d355b8 kvm_vcpu_thread_fn (qemu-system-x86_64)
#8  0x000055e795ece91a qemu_thread_start (qemu-system-x86_64)
#9  0x00007f96835f4fa3 start_thread (libpthread.so.0)
#10 0x00007f96835234cf __clone (libc.so.6)




      parent reply	other threads:[~2021-04-15 18:36 UTC|newest]

Thread overview: 25+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-03-03  9:56 Stefan Reiter
2021-03-03  9:56 ` [pve-devel] [PATCH v2 pve-qemu 01/11] clean up pve/ patches by merging Stefan Reiter
2021-03-03 16:32   ` [pve-devel] applied: " Thomas Lamprecht
2021-03-03  9:56 ` [pve-devel] [PATCH v2 pve-qemu 02/11] move bitmap-mirror patches to seperate folder Stefan Reiter
2021-03-03 16:32   ` [pve-devel] applied: " Thomas Lamprecht
2021-03-03  9:56 ` [pve-devel] [PATCH v2 pve-qemu 03/11] add alloc-track block driver patch Stefan Reiter
2021-03-15 14:14   ` Wolfgang Bumiller
2021-03-15 15:41     ` [pve-devel] [PATCH pve-qemu v3] " Stefan Reiter
2021-03-16 19:57       ` [pve-devel] applied: " Thomas Lamprecht
2021-03-03  9:56 ` [pve-devel] [PATCH v2 proxmox-backup 04/11] RemoteChunkReader: add LRU cached variant Stefan Reiter
2021-03-03  9:56 ` [pve-devel] [PATCH v2 proxmox-backup-qemu 05/11] access: use bigger cache and LRU chunk reader Stefan Reiter
2021-03-16 20:17   ` Thomas Lamprecht
2021-03-17 13:37     ` Stefan Reiter
2021-03-17 13:59       ` Thomas Lamprecht
2021-03-17 16:03         ` [pve-devel] [pbs-devel] " Dietmar Maurer
2021-03-03  9:56 ` [pve-devel] [PATCH v2 qemu-server 06/11] make qemu_drive_mirror_monitor more generic Stefan Reiter
2021-03-03  9:56 ` [pve-devel] [PATCH v2 qemu-server 07/11] cfg2cmd: allow PBS snapshots as backing files for drives Stefan Reiter
2021-03-03  9:56 ` [pve-devel] [PATCH v2 qemu-server 08/11] enable live-restore for PBS Stefan Reiter
2021-03-03  9:56 ` [pve-devel] [PATCH v2 qemu-server 09/11] extract register_qmeventd_handle to QemuServer.pm Stefan Reiter
2021-03-03  9:56 ` [pve-devel] [PATCH v2 qemu-server 10/11] live-restore: register qmeventd handle Stefan Reiter
2021-03-03  9:56 ` [pve-devel] [PATCH v2 manager 11/11] ui: restore: add live-restore checkbox Stefan Reiter
2021-04-15 18:34   ` [pve-devel] applied: " Thomas Lamprecht
2021-03-22 11:08 ` [pve-devel] [PATCH v2 00/11] live-restore for PBS snapshots Dominic Jäger
2021-04-06 19:09 ` [pve-devel] partially-applied: " Thomas Lamprecht
2021-04-15 18:35 ` Thomas Lamprecht [this message]

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