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X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: jDCo5FD1gcVJVvLPSWXhZCHa3jRSl2S4DlaHNDItsvteW//BWVu2uf82dBfUgMGTPutc2CaC2fRhdoUneLpyaXysb+XGqk8DMXpjxLfxXigliHuJqQ4CFFcYQrWv8YI9tuaSGus+I+2uX21zaGnZOLLnTbs/waDpC5fUcyUnNZzNTeU95CZnQS5KaIxUjLRGywX5Bq2JuNyrgfIv09jDsFT6ktePXiBXJ0wSsiwWZXbFekN7BbyOaxnydM6jrkRZT5q/hHqjTk26PisIXL8xyxJAb21kgLidU5e9QiD3cymA5PiR1XgKtdW+7WSGWOeyOc2ELaxsiCfPSOR9zSdBcMO+O5GIzaPakco6ZVswaO/P2Bm2nnKDErNY75l1Nzhh/jQexDNKEIaDs2UFcq6r+exD7Y2AjgIwPKT6dOOHkqQyJ+H1ITUW9CxoiPLUoMMl X-ExternalRecipientOutboundConnectors: 0bc7f26d-0264-416e-a6fc-8352af79c58f X-Auto-Response-Suppress: DR, OOF, AutoReply X-OriginatorOrg: virtuozzo.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 03 Nov 2026 14:30:20.7787 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 1c9eea0e-f502-4b8c-6b9f-08df39b6fd6f X-MS-Exchange-CrossTenant-Id: 0bc7f26d-0264-416e-a6fc-8352af79c58f X-MS-Exchange-CrossTenant-AuthSource: DB1PEPF000509F7.eurprd02.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: Internet X-MS-Exchange-Transport-CrossTenantHeadersStamped: GV1PR08MB7876 > vhost_net_cpr_reset_owners() only warns when VHOST_RESET_OWNER fails for > a device, and the exec goes on. But the new QEMU can't take such a > device: it is still owned by the old mm, so VHOST_SET_OWNER fails with > EBUSY, and the guest is left without network after the update. >=20 > Stop at the first device that can't be released and abort the cpr-exec > instead. The VM goes on in the old QEMU, with the devices released so > far taken back. vhost-vsock already does that in its pre_save. >=20 > Fixes: 1278e4830052 ("VZ: migration/cpr-exec: vhost-net: send RESET_OWNER= before cpr-exec") > Signed-off-by: Andrey Drobyshev Sashiko has reviewed this patch and found no issues. It looks great! --=20 Sashiko AI review =C2=B7 https://sashiko.vzint.dev/#/patchset/20261103-vfio= _v1-v7-0-4467fdccbbe6@virtuozzo.com?part=3D32