October 22, 20205 yr Trying to pass an integrated Haswell GPU to some VMs. It will work great in Seabios but OVMF just displays a blank screen. Why? Where is the best place to begin debugging? When I start the VM with a monitor in sleep mode, I can see the monitor power on display no signal and then go back to sleep. Which is what I want to do in the mornings sometimes! I've read that sometimes Seabios is harder to get working than OVMF. Wonder of OVMF requires a vbios which I do not have.... Except from my syslog says Quote Oct 22 08:12:31 Tower kernel: Code.... blah blah blah.. Oct 22 13:09:49 Tower kernel: vfio-pci 0000:00:02.0: vgaarb: changed VGA decodes: olddecodes=io+mem,decodes=io+mem:owns=io+mem Oct 22 13:09:49 Tower kernel: br0: port 2(vnet0) entered blocking state Oct 22 13:09:49 Tower kernel: br0: port 2(vnet0) entered disabled state Oct 22 13:09:49 Tower kernel: device vnet0 entered promiscuous mode Oct 22 13:09:49 Tower kernel: br0: port 2(vnet0) entered blocking state Oct 22 13:09:49 Tower kernel: br0: port 2(vnet0) entered forwarding state Oct 22 13:09:51 Tower avahi-daemon[5583]: Joining mDNS multicast group on interface vnet0.IPv6 with address fe80::fc54:ff:fe3a:93f4. Oct 22 13:09:51 Tower avahi-daemon[5583]: New relevant interface vnet0.IPv6 for mDNS. Oct 22 13:09:51 Tower avahi-daemon[5583]: Registering new address record for fe80::fc54:ff:fe3a:93f4 on vnet0.*. Oct 22 13:09:52 Tower kernel: resource sanity check: requesting [mem 0x000c0000-0x000dffff], which spans more than PCI Bus 0000:00 [mem 0x000d0000-0x000d3fff window] Oct 22 13:09:53 Tower kernel: caller pci_map_rom+0x7a/0x15e mapping multiple BARs Edited October 22, 20205 yr by Mysticle31
May 2, 20215 yr Same question here. last Re has been "Google translated", sry Edited May 3, 20215 yr by Ly0nx
May 3, 20215 yr On 5/2/2021 at 9:35 AM, Ly0nx said: 这里同样的问题。 Please use English only here, alternatively you can use the Chinese section.
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