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From: | Mark Cave-Ayland |
Subject: | Re: [Qemu-devel] VNC problems |
Date: | Mon, 19 Jan 2009 15:40:03 +0000 |
User-agent: | Mozilla-Thunderbird 2.0.0.17 (X11/20081018) |
Blue Swirl wrote:
Hi, There are some problems with VNC on Sparc64 and PPC targets, the client can't to connect to the server. If I stop the CPU with -S flag, the client connects successfully. For some reason i386 and Sparc32 do not have this problem. Most of the VNC clients I tried disconnected with "Rect too large: 800x600 at (0, 0)", only RealVNC 4.1.1 could handle it.
I think this is being caused by an incorrect machine instruction somewhere. From my debugging here, I see that when booting the Sparc64 image, gdb gets stuck in a loop somewhere in cpu_exec() in vl.c:main_loop() and so never makes it down to vl.c:main_loop_wait() to process the VNC events.
Does anyone have any HOWTOs/clues/debugging resources for qemu to help when trying to troubleshoot these kinds of low-level problems?
ATB, Mark. -- Mark Cave-Ayland Sirius Corporation - The Open Source Experts http://www.siriusit.co.uk T: +44 870 608 0063
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