[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] [Xen-4.0.0] domU screen corruption on switching consoles
On Tue, Apr 13, 2010 at 12:10 PM, Arvind R <arvino55@xxxxxxxxx> wrote: > On Tue, Apr 13, 2010 at 11:28 AM, Arvind R <arvino55@xxxxxxxxx> wrote: >> On Mon, Apr 12, 2010 at 6:09 PM, Pasi Kärkkäinen <pasik@xxxxxx> wrote: >>> On Mon, Apr 12, 2010 at 05:09:29PM +0530, Arvind R wrote: >>>> Hi, >>>> Got a domU running 2.6.32.3 pvops kernel. This is perfectly fine on dom0 >>>> (2.6.32.10 pvops) witn xen-3.4rc3 hypervisor. >>>> >>> >>> So the domU is PV (paravirtualized? >>> >>>> But with xen-4.0.0 hypervisor, the domU screen is unreadably corrupt >>>> on switching >>>> to xm-console (ctrl-alt-2) and back. >>> >>> Switching between what? Do you have X running on dom0? >> Yes. Accelerated nouveau running fine. >> >> domU has no X - just minimal console based debian-etch with >> non-graphical browser and some utilities. >> >>> It's not clear between what you're switching.. >>> >> Switching between the domU VT-console to qemu console (focus on >> domU console, ctrl-alt-2(for xm commands to eject, ...)) and back >> (ctrl-alt-1) >> From corrupt screen, ctrl-alt-2 goes back to xm-console fine as many times >> as you want. Using sendkey ctrl-alt-F2 switches to corrupt login screen on >> VT-2 of domU. On xen-3.4rc3, all of these work fine. >> >>> Does the domU have pvfb (vfb) graphical framebuffer? >>> >> Yes. This is what gets corrupted. >> >>>> Blind commands work - like >>>> shutdown. The screen >>>> remains static and corrupt. Can swicth to xm-console which is fine. >>>> Nothing in logs. >>>> >>> >>> -- Pasi >>> >>> >> > Something in the logs (qemu-dm) now, a continuous string of foll. line. > xen_be: vfb-0: xenfb_guest_copy: oops: convert 32 -> 32 bpp? > In hw/xenfb.c, xenfb_guest_copy(), the case of xenfb->depth == bpp is not handled. Attached patch corrects the screen corruption. Now, after switching back, the screen is OK; but further key-strokes are NOT echoed to screen. Blind typing produces proper output. e.g. blindly typing 'ls' shows directory listing; but the 'ls' is not echoed. Arvind Attachment:
xenfb_bpp_match_case.patch _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel
|
![]() |
Lists.xenproject.org is hosted with RackSpace, monitoring our |