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Re: [Qemu-devel] [6989] Fix display breakage when resizing the screen (v
From: |
Stefano Stabellini |
Subject: |
Re: [Qemu-devel] [6989] Fix display breakage when resizing the screen (v2) (Avi Kivity) |
Date: |
Mon, 06 Apr 2009 19:01:19 +0100 |
User-agent: |
Thunderbird 2.0.0.14 (X11/20080505) |
Avi Kivity wrote:
> Stefano Stabellini wrote:
>> I tried several times to manually reproduce the issue with no luck: if
>> no vnc clients are supposed to be connected, how do you make the cirrus
>> emulated hw do a bitblit?
>>
>
> The guest will boot and do it by itself.
what is the OS?
>> In any case it makes sense that the problem is in qemu_console_copy()
>> rather than in the rop function itself that only operates on the
>> emulated framebuffer.
>> But calling qemu_console_copy() in cirrus_do_copy() shouldn't be risky
>> because before that, we call vga_hw_update() that should do the resize.
>>
>
> vga_hw_update() may not actually do anything if the conditions are
> right, and maybe that's the case here.
I thought about it, but if vga_hw_update does nothing, then
qemu_console_copy does nothing too.
>> Without a better understanding of the bug I will refrain from making any
>> suggestion.
>>
>>
>
> There's a backtrace in
> https://bugzilla.redhat.com/show_bug.cgi?id=494002. I'll also try to
> generate a good scenario for reproducing this.
>
thanks, that would be very useful (if it doesn't require me to compile
kvm it would be even better :)).
- Re: [Qemu-devel] [6989] Fix display breakage when resizing the screen (v2) (Avi Kivity), (continued)
- Re: [Qemu-devel] [6989] Fix display breakage when resizing the screen (v2) (Avi Kivity), Anthony Liguori, 2009/04/06
- Re: [Qemu-devel] [6989] Fix display breakage when resizing the screen (v2) (Avi Kivity), Stefano Stabellini, 2009/04/06
- Re: [Qemu-devel] [6989] Fix display breakage when resizing the screen (v2) (Avi Kivity), Avi Kivity, 2009/04/06
- Re: [Qemu-devel] [6989] Fix display breakage when resizing the screen (v2) (Avi Kivity), Ryan Harper, 2009/04/06
- Re: [Qemu-devel] [6989] Fix display breakage when resizing the screen (v2) (Avi Kivity), Avi Kivity, 2009/04/07
- Re: [Qemu-devel] [6989] Fix display breakage when resizing the screen (v2) (Avi Kivity), Stefano Stabellini, 2009/04/07
Re: [Qemu-devel] [6989] Fix display breakage when resizing the screen (v2) (Avi Kivity), Avi Kivity, 2009/04/06