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Fri, 16 Oct 2020 09:35:39 +0000 From: Wei Hu To: Chris Knight , "freebsd-virtualization@freebsd.org" Subject: RE: FreeBSD 12.1 i386 on Hyper-V Fails to Mount Root Thread-Topic: FreeBSD 12.1 i386 on Hyper-V Fails to Mount Root Thread-Index: AQHWot5T3VubDGm01EyXk9C1ey9JFqmZ+PXw Date: Fri, 16 Oct 2020 09:35:39 +0000 Message-ID: References: In-Reply-To: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: msip_labels: MSIP_Label_f42aa342-8706-4288-bd11-ebb85995028c_ActionId=ffbcb283-c30e-441e-a7d6-1b37ca79fdce; MSIP_Label_f42aa342-8706-4288-bd11-ebb85995028c_ContentBits=0; MSIP_Label_f42aa342-8706-4288-bd11-ebb85995028c_Enabled=true; MSIP_Label_f42aa342-8706-4288-bd11-ebb85995028c_Method=Standard; MSIP_Label_f42aa342-8706-4288-bd11-ebb85995028c_Name=Internal; MSIP_Label_f42aa342-8706-4288-bd11-ebb85995028c_SetDate=2020-10-16T09:33:05Z; MSIP_Label_f42aa342-8706-4288-bd11-ebb85995028c_SiteId=72f988bf-86f1-41af-91ab-2d7cd011db47; x-originating-ip: [167.220.255.32] x-ms-publictraffictype: Email x-ms-office365-filtering-ht: Tenant x-ms-office365-filtering-correlation-id: 2dd3f0dd-a3a0-40c1-d73f-08d871b6d838 x-ms-traffictypediagnostic: SG2P153MB0320: x-microsoft-antispam-prvs: x-ms-oob-tlc-oobclassifiers: OLM:1728; 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List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 16 Oct 2020 09:35:48 -0000 > Howdy, >=20 > Just started the upgrade process on some FreeBSD 11.4 VMs to FreeBSD 12.1 > using freebsd-update. VMs are running on multiple Hyper-V 2012 R2 and 201= 9 > systems, all systems with 2020-09 Cumulative Updates installed. > The amd64 VMs are upgrading happily. > The i386 VMs die a horrible death - the kernel throws the following error= : >=20 > vmbus0: cannot find free IDT vector >=20 > shortly followed by mountroot failure due to the lack of storage device > initialisation. > Checked the FreeBSD 12.1 i386 ISO in case of environment pollution - same > vmbus error, same lack of storage device initialisation failure. Ditto wi= th > the 12.2-RC2 i386 ISO. >=20 Did you try 12.0? Maybe something changed in 12.x causes failure.=20 I386 is not well tested on Hyper-V. I will try to reproduce and take a look= . Thanks, Wei