[Ubuntu-x-swat] [Bug 1080674] Re: [QEMU] Corrupted desktop screen for raring desktop installation in QEMU guest (Cirrus graphics). Affects KVM but not VBox.
Looking further it seems that the root cause is that the CIRRUS driver cannot be used in 12.04.3 because of this [ 579.647] (EE) cirrus: The PCI device 0xb8 at 00@00:02:0 has a kernel module claiming it. [ 579.647] (EE) cirrus: This driver cannot operate until it has been unloaded. It seems that this is caused by the DRM driver: [ 579.639] (II) config/udev: Adding drm device (/dev/dri/card0) [ 579.642] (--) PCI:*(0:0:2:0) 1013:00b8:1af4:1100 rev 0, Mem @ 0xfc00/33554432, 0xfebf/4096, BIOS @ 0x/65536 The DRM driver is not presend/loaded in Ubuntu 12.04.2. Subsequently the CIRRUS module loads fine and the graphic is working as expected. I will try if the resolution for this bug here fixes the problem: https://bugs.launchpad.net/ubuntu/+source/lightdm/+bug/982889 -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xserver-xorg-video-cirrus in Ubuntu. https://bugs.launchpad.net/bugs/1080674 Title: [QEMU] Corrupted desktop screen for raring desktop installation in QEMU guest (Cirrus graphics). Affects KVM but not VBox. To manage notifications about this bug go to: https://bugs.launchpad.net/cairo/+bug/1080674/+subscriptions ___ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp
[Ubuntu-x-swat] [Bug 1080674] Re: [QEMU] Corrupted desktop screen for raring desktop installation in QEMU guest (Cirrus graphics). Affects KVM but not VBox.
Are you sure that the problem is between libcairo 1.12.2 and 1.12.4? I recechecked with Ubuntu 12.04.3 LTS 64bit Desktop CDROM with is based on libcario 1.10.2 and it also shows this bug. -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xserver-xorg-video-cirrus in Ubuntu. https://bugs.launchpad.net/bugs/1080674 Title: [QEMU] Corrupted desktop screen for raring desktop installation in QEMU guest (Cirrus graphics). Affects KVM but not VBox. To manage notifications about this bug go to: https://bugs.launchpad.net/cairo/+bug/1080674/+subscriptions ___ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp
[Ubuntu-x-swat] [Bug 1080674] Re: [QEMU] Corrupted desktop screen for raring desktop installation in QEMU guest (Cirrus graphics). Affects KVM but not VBox.
And has anyone tested this with a real Cirrus Logic graphic card? I still wonder if this is an emulation bug in qemu or a driver problem. -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xserver-xorg-video-cirrus in Ubuntu. https://bugs.launchpad.net/bugs/1080674 Title: [QEMU] Corrupted desktop screen for raring desktop installation in QEMU guest (Cirrus graphics). Affects KVM but not VBox. To manage notifications about this bug go to: https://bugs.launchpad.net/cairo/+bug/1080674/+subscriptions ___ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp
