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From: | Alexander Graf |
Subject: | Re: [Qemu-devel] NT4 guest mouse failure under qemu 0.9.1 |
Date: | Sat, 24 May 2008 15:14:53 +0200 |
On May 24, 2008, at 2:02 PM, Mark Cave-Ayland wrote:
Mark Cave-Ayland wrote:Hi everyone, I've noticed another failure within our qemu 0.9.1 NT4 guest withrelation to the PS2 mouse driver. After several minutes of normal use,the mouse pointer suddenly goes mad, with the slightest touch of the mouse causing the pointer to go flying around the screen. The only solution to this problem is to reboot the VM instance :( Looking at the NT4 Event Log, I see the following messages when this occurs: An unexpected RESET was detected from the mouse device Followed by: Could not set the mouse sample rateThe latter message is repeated in the event log when the mouse is moved until the VM is rebooted. Has anyone experienced this behaviour before?Okay, I've investigated this a little bit more and far as I can tell, it seems related to the intellimouse extensions. At least, if I force qemu to emulate a standard PS/2 mouse (rather than an intellimouse), then I don't see the problem with the mouse pointer. Perhaps the in-built MS NT4 mousedriver is broken?Would anyone be interested in a patch against 0.9.1 to add a new command line option such as -forceps2mouse which would force this behaviour forbroken guests such as NT4?
I from my side would rather like to see a generic -ps2mouse option, that has the option to disable the ps2 mouse in all. So what I'm thinking of would be something along the lines of:
-ps2mouse intellimouse [default] -ps2mouse old -ps2mouse none Alex
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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