Re: [Qemu-devel] Using --enable-kvm fails with WindowsXP guest on an AMD host (works on Intel host)

2019-04-26 Thread balducci
(apologies if this doesn't get properly threaded into: http://lists.nongnu.org/archive/html/qemu-devel/2019-04/msg03407.html) > After upgrading host (Gentoo Linux) a Windows XP guest can't boot anymore. > > Some findings while testing: > > * XP image boots & works OK on an Intel machine (Gentoo Li

Re: [Qemu-devel] 3.1.0-rc{0,1} doesn't start

2018-11-20 Thread balducci
> Sorry Gabriele, Eduardo and Paolo pointed out that the patch was incomplete. > I am not sure however how you are getting non zero data with the rdmsr on an > AMD. > Can you please try this instead ? > > diff --git a/target/i386/kvm.c b/target/i386/kvm.c > index f524e7d929..cfec559aa3 100644 > --

Re: [Qemu-devel] 3.1.0-rc{0,1} doesn't start

2018-11-20 Thread balducci
env->features[FEAT_ARCH_CAPABILITIES]); > -break; > -} > } > > /* I'm getting the same error message at start time (patch applied to official qemu-3.1.0-rc1 tarball): 8< qemu: error: failed to set MSR 0x10a to 0x0 qemu: /home/balducci/tmp/ins

Re: [Qemu-devel] 3.1.0-rc{0,1} doesn't start

2018-11-19 Thread balducci
> A colleague has confirmed this on his FX-8320 on Fedora 29 with the > virt-next repo; so it's nothing that's special about your machine; > it's 3.1 that really doesn't like the old AMDs. ouch! does this mean that I must stop upgrading qemu or do you think that some development work will be dire

Re: [Qemu-devel] 3.1.0-rc{0,1} doesn't start

2018-11-19 Thread balducci
hi thanks for taking the time to reply Dr. David Alan Gilbert writes: > > I suspect that this might be some problem on my side, as I couldn't > > find any similar report (apart some old (qemu-2.8.50) threads, that > > didn't help) > > Not necessarily; can you tell me: > a) At what point does it

[Qemu-devel] 3.1.0-rc{0,1} doesn't start

2018-11-18 Thread balducci
hello I'm building qemu from source and happily using it since a bit (2.3.0) Since 3.1.0-rc0 (including latest 3.1.0-rc1) I'm no more able to start qemu, getting: 8< install:115> qemu qemu: error: failed to set MSR 0x10a to 0x0 qemu: /home/balducci/tmp/i