Re: [Qemu-devel] 128Kb bios size and older machines?

2014-02-06 Thread Michael Tokarev
07.02.2014 03:56, Paolo Bonzini wrote: > Il 06/02/2014 14:15, Ian Campbell ha scritto: >> Nothing is missing in seabios. >> >> The above patch is a fix to Xen not SeaBIOS, which lets it work >> correctly regardless of the size of the seabios binary. >> >> There is no need to do anything other than

Re: [Qemu-devel] 128Kb bios size and older machines?

2014-02-06 Thread Paolo Bonzini
Il 06/02/2014 14:15, Ian Campbell ha scritto: Nothing is missing in seabios. The above patch is a fix to Xen not SeaBIOS, which lets it work correctly regardless of the size of the seabios binary. There is no need to do anything other than apply that fix to the Xen packages (perhaps by upgradin

Re: [Qemu-devel] 128Kb bios size and older machines?

2014-02-06 Thread Paolo Bonzini
Il 06/02/2014 15:48, Ian Campbell ha scritto: > > I'm not sure why the BIOS size is relevant to migration anyway, Xen > > doesn't load a new BIOS on the target host, the BIOS image is part of > > the migrated RAM. > > The memory layout is different with a larger bios as qemu makes the > virtual

Re: [Qemu-devel] 128Kb bios size and older machines?

2014-02-06 Thread Ian Campbell
On Thu, 2014-02-06 at 15:31 +0100, Gerd Hoffmann wrote: > Hi, > > > I'm not sure why the BIOS size is relevant to migration anyway, Xen > > doesn't load a new BIOS on the target host, the BIOS image is part of > > the migrated RAM. > > The memory layout is different with a larger bios as qemu m

Re: [Qemu-devel] 128Kb bios size and older machines?

2014-02-06 Thread Ian Campbell
On Thu, 2014-02-06 at 17:30 +0400, Michael Tokarev wrote: > 06.02.2014 17:15, Ian Campbell wrote: > > On Thu, 2014-02-06 at 17:08 +0400, Michael Tokarev wrote: > >> 06.02.2014 12:50, Gerd Hoffmann wrote: > [] > >>> As far I know xen has its own seabios builds anyway as they > >>> have to add hvmloa

Re: [Qemu-devel] 128Kb bios size and older machines?

2014-02-06 Thread Ian Campbell
On Thu, 2014-02-06 at 17:08 +0400, Michael Tokarev wrote: > 06.02.2014 12:50, Gerd Hoffmann wrote: > > On Do, 2014-02-06 at 12:28 +0400, Michael Tokarev wrote: > >> Since the "small" (128Kb) seabios is now built without > >> support of xen, does that mean that xen will be unable > >> to use qemu wi

Re: [Qemu-devel] 128Kb bios size and older machines?

2014-02-06 Thread Gerd Hoffmann
Hi, > I'm not sure why the BIOS size is relevant to migration anyway, Xen > doesn't load a new BIOS on the target host, the BIOS image is part of > the migrated RAM. The memory layout is different with a larger bios as qemu makes the virtual flash as big as the bios image is. The different mem

Re: [Qemu-devel] 128Kb bios size and older machines?

2014-02-06 Thread Michael Tokarev
06.02.2014 17:15, Ian Campbell wrote: > On Thu, 2014-02-06 at 17:08 +0400, Michael Tokarev wrote: >> 06.02.2014 12:50, Gerd Hoffmann wrote: [] >>> As far I know xen has its own seabios builds anyway as they >>> have to add hvmloader to the mix. Thats why it has been >>> turned off in the upstream

Re: [Qemu-devel] 128Kb bios size and older machines?

2014-02-06 Thread Michael Tokarev
06.02.2014 12:50, Gerd Hoffmann wrote: > On Do, 2014-02-06 at 12:28 +0400, Michael Tokarev wrote: >> Since the "small" (128Kb) seabios is now built without >> support of xen, does that mean that xen will be unable >> to use qemu with -M 1.7 and before? Does it _ever_ use >> -M option like this? >

Re: [Qemu-devel] 128Kb bios size and older machines?

2014-02-06 Thread Gerd Hoffmann
On Do, 2014-02-06 at 12:28 +0400, Michael Tokarev wrote: > Since the "small" (128Kb) seabios is now built without > support of xen, does that mean that xen will be unable > to use qemu with -M 1.7 and before? Does it _ever_ use > -M option like this? As far I know xen has its own seabios builds a

[Qemu-devel] 128Kb bios size and older machines?

2014-02-06 Thread Michael Tokarev
Since the "small" (128Kb) seabios is now built without support of xen, does that mean that xen will be unable to use qemu with -M 1.7 and before? Does it _ever_ use -M option like this? I'm asking because I don't really understand how this works. We updated seabios in debian to 1.7.4 (with qemu