Re: [Xen-devel] live migration from 4.12 to 4.13 fails due to qemu-xen bug

2020-02-17 Thread Olaf Hering
Am Mon, 27 Jan 2020 11:54:37 + schrieb "Durrant, Paul" : > I suppose. Could we have "pc-i440fx" as the default, which libxl prefix > matches against qemu's supported versions to select the latest? I guess that > would work. This can not be fixed in libxl because libxl can not possibly know

Re: [Xen-devel] live migration from 4.12 to 4.13 fails due to qemu-xen bug

2020-01-27 Thread Durrant, Paul
> -Original Message- > From: Olaf Hering [mailto:o...@aepfle.de] > Sent: 27 January 2020 13:00 > To: Durrant, Paul > Cc: xen-de...@lists.xen.org > Subject: Re: [Xen-devel] live migration from 4.12 to 4.13 fails due to > qemu-xen bug > > Am Mon, 27 Jan 20

Re: [Xen-devel] live migration from 4.12 to 4.13 fails due to qemu-xen bug

2020-01-27 Thread Olaf Hering
Am Mon, 27 Jan 2020 11:54:37 + schrieb "Durrant, Paul" : > > Should the string "pc-i440fx-3.0" become a configure option? > I suppose. Could we have "pc-i440fx" as the default, which libxl prefix > matches against qemu's supported versions to select the latest? I think the qemu machine

Re: [Xen-devel] live migration from 4.12 to 4.13 fails due to qemu-xen bug

2020-01-27 Thread Durrant, Paul
> -Original Message- > From: Xen-devel [mailto:xen-devel-boun...@lists.xenproject.org] On Behalf > Of Olaf Hering > Sent: 27 January 2020 11:30 > To: xen-de...@lists.xen.org > Subject: Re: [Xen-devel] live migration from 4.12 to 4.13 fails due to > qemu-xen bug >

Re: [Xen-devel] live migration from 4.12 to 4.13 fails due to qemu-xen bug

2020-01-27 Thread Olaf Hering
Am Mon, 13 Jan 2020 11:36:27 +0100 schrieb Olaf Hering : > This HVM domU fails to live migrate from staging-4.12 to staging-4.13: It turned out libxl does not configure qemu correctly at runtime: libxl__build_device_model_args_new() uses 'qemu -machine xenfv', perhaps with the assumption that

Re: [Xen-devel] live migration from 4.12 to 4.13 fails due to qemu-xen bug

2020-01-13 Thread Olaf Hering
Am Mon, 13 Jan 2020 11:36:27 +0100 schrieb Olaf Hering : > qemu-system-i386: Unknown savevm section type 111 Looks like hw/i386/pc_piix.c:xenfv_machine_options must set m->smbus_no_migration_support to true. Not sure why this remained unnoticed for so long. Olaf pgpffQqWBqgtH.pgp

[Xen-devel] live migration from 4.12 to 4.13 fails due to qemu-xen bug

2020-01-13 Thread Olaf Hering
I did not find anything in the Xen 4.13 release notes, so I'm asking here: This HVM domU fails to live migrate from staging-4.12 to staging-4.13: name='hvm' serial='pty' vcpus='4' memory='888' disk=[ 'vdev=xvda, format=raw, access=rw, target=/netshare/disk0.raw' ] vif=[