Hi Jiri, I just wanted to add that a similar issue is effecting me. With qemu 2.6, I get a black screen after the seabios screen. Downgrading to 2.5.1 fixes it for me. I tried 2.6 with the pc-i440fx-2.5 machine type, but that didn't work either.
If anyone has any ideas, let us know. Thanks On Fri, Jun 3, 2016 at 3:26 AM, Jiri 'Ghormoon' Novak <[email protected]> wrote: > Hello, > > yesterday I've upgraded to qemu 2.6 (I've just rebuilt debian sid > package for jessie, previously I did the same with 2.5 and just added > input-linux patches). > > I'm using vga passthrough on HP Elitebook 8560p laptop with Radeon HD > 6470M, passing it in with x-vga=on (no ovmf, it doesn't have ovmf firmware) > > After the upgrade, when booting linux, it shows bios screen, then > alternates black and garbage screen for few minutes, then reboots (?), > bios screen again, black screen, linux (only after driver kicks in, no > grub/boot screen, previously it worked). Rebooting from guest makes it > go through this all again including the few minutes of garbage sreens. > There's nothing in guest logs for that time, likely it doesn't even pass > grub. > > For windows it actually boots on first attempt, but also no output until > driver kicks in (previosly it shown boot screen or worked without ati > drivers installed) > > in the dmesg, there's quite a lot of rdmsr errors (on 2.5 there few a > few too, but they appeared once, not in multiple batches like now). > > I assume some graphic modes are now handled differently. Is it only a > change in defaults that I can override or is it a bug? > > dmesg: > [ 136.888758] e1000e 0000:00:19.0: irq 46 for MSI/MSI-X > [ 136.992866] e1000e 0000:00:19.0: irq 46 for MSI/MSI-X > [ 136.993181] IPv6: ADDRCONF(NETDEV_UP): eth0: link is not ready > [ 140.329803] e1000e: eth0 NIC Link is Up 1000 Mbps Full Duplex, Flow > Control: None > [ 140.329858] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready > [ 148.661906] VFIO - User Level meta-driver version: 0.3 > [ 148.667113] ehci-pci 0000:00:1a.0: remove, state 1 > [ 148.667123] usb usb3: USB disconnect, device number 1 > [ 148.667126] usb 3-1: USB disconnect, device number 2 > [ 148.667128] usb 3-1.1: USB disconnect, device number 3 > [ 148.667327] usb 3-1.2: USB disconnect, device number 4 > [ 148.667931] cdc_ncm 3-1.2:1.6 usb0: unregister 'cdc_ncm' > usb-0000:00:1a.0-1.2, CDC NCM > [ 148.701340] ehci-pci 0000:00:1a.0: USB bus 3 deregistered > [ 148.876484] ehci-pci 0000:00:1d.0: remove, state 1 > [ 148.876505] usb usb4: USB disconnect, device number 1 > [ 148.876512] usb 4-1: USB disconnect, device number 2 > [ 148.876517] usb 4-1.1: USB disconnect, device number 3 > [ 148.986636] usb 4-1.4: USB disconnect, device number 4 > [ 149.045785] usb 4-1.6: USB disconnect, device number 5 > [ 149.055202] ehci-pci 0000:00:1d.0: USB bus 4 deregistered > [ 149.099334] xhci_hcd 0000:05:00.0: remove, state 4 > [ 149.099348] usb usb2: USB disconnect, device number 1 > [ 149.116629] xhci_hcd 0000:05:00.0: USB bus 2 deregistered > [ 149.116699] xhci_hcd 0000:05:00.0: remove, state 4 > [ 149.116710] usb usb1: USB disconnect, device number 1 > [ 149.118085] xhci_hcd 0000:05:00.0: USB bus 1 deregistered > [ 149.408028] IPv6: ADDRCONF(NETDEV_CHANGE): br0vmtap10: link becomes > ready > [ 149.408081] br0: port 1(br0vmtap10) entered forwarding state > [ 149.408092] br0: port 1(br0vmtap10) entered forwarding state > [ 149.408305] IPv6: ADDRCONF(NETDEV_CHANGE): br1vmtap10: link becomes > ready > [ 149.408333] br1: port 1(br1vmtap10) entered forwarding state > [ 149.408343] br1: port 1(br1vmtap10) entered forwarding state > [ 151.128482] vfio_cap_init: 0000:00:1a.0 hiding cap 0xa > [ 151.232527] vfio_ecap_init: 0000:00:1b.0 hiding ecap 0x5@0x130 > [ 151.340394] vfio_cap_init: 0000:00:1d.0 hiding cap 0xa > [ 156.620596] dmar: DRHD: handling fault status reg 3 > [ 156.620662] dmar: DMAR:[DMA Read] Request device [00:1d.0] fault addr > ef000 > DMAR:[fault reason 06] PTE Read access is not set > [ 157.585018] kvm: zapping shadow pages for mmio generation wraparound > [ 164.431957] br0: port 1(br0vmtap10) entered forwarding state > [ 164.431966] br1: port 1(br1vmtap10) entered forwarding state > [ 243.766285] kvm [4369]: vcpu0 unhandled rdmsr: 0x606 > [ 243.766358] kvm [4369]: vcpu0 unhandled rdmsr: 0x34 > [ 244.095770] vfio-pci 0000:05:00.0: irq 47 for MSI/MSI-X > [ 244.149600] vfio-pci 0000:05:00.0: irq 47 for MSI/MSI-X > [ 244.149606] vfio-pci 0000:05:00.0: irq 48 for MSI/MSI-X > [ 244.149828] vfio-pci 0000:05:00.0: irq 47 for MSI/MSI-X > [ 244.149832] vfio-pci 0000:05:00.0: irq 48 for MSI/MSI-X > [ 244.149835] vfio-pci 0000:05:00.0: irq 49 for MSI/MSI-X > [ 245.276448] kvm [4369]: vcpu0 unhandled rdmsr: 0x611 > [ 245.276518] kvm [4369]: vcpu0 unhandled rdmsr: 0x639 > [ 245.276582] kvm [4369]: vcpu0 unhandled rdmsr: 0x641 > [ 245.276644] kvm [4369]: vcpu0 unhandled rdmsr: 0x619 > [ 245.438562] vfio-pci 0000:00:1b.0: irq 50 for MSI/MSI-X > [ 245.499553] vfio-pci 0000:01:00.1: irq 51 for MSI/MSI-X > [ 245.608806] vfio-pci 0000:01:00.0: irq 54 for MSI/MSI-X > [ 577.967787] kvm [4369]: vcpu0 unhandled rdmsr: 0x606 > [ 577.967861] kvm [4369]: vcpu0 unhandled rdmsr: 0x34 > [ 578.306848] vfio-pci 0000:05:00.0: irq 47 for MSI/MSI-X > [ 578.357705] vfio-pci 0000:05:00.0: irq 47 for MSI/MSI-X > [ 578.357712] vfio-pci 0000:05:00.0: irq 48 for MSI/MSI-X > [ 578.357855] vfio-pci 0000:05:00.0: irq 47 for MSI/MSI-X > [ 578.357859] vfio-pci 0000:05:00.0: irq 48 for MSI/MSI-X > [ 578.357863] vfio-pci 0000:05:00.0: irq 49 for MSI/MSI-X > [ 579.069686] kvm [4369]: vcpu0 unhandled rdmsr: 0x611 > [ 579.069757] kvm [4369]: vcpu0 unhandled rdmsr: 0x639 > [ 579.069822] kvm [4369]: vcpu0 unhandled rdmsr: 0x641 > [ 579.069885] kvm [4369]: vcpu0 unhandled rdmsr: 0x619 > [ 579.197944] vfio-pci 0000:00:1b.0: irq 50 for MSI/MSI-X > [ 579.251914] vfio-pci 0000:01:00.0: irq 51 for MSI/MSI-X > [ 581.257044] vfio-pci 0000:01:00.1: irq 54 for MSI/MSI-X > > Thanks, > Gh. > > _______________________________________________ > vfio-users mailing list > [email protected] > https://www.redhat.com/mailman/listinfo/vfio-users >
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