From: Dor Laor <dor.laor@qumranet.com>
To: "Muppana, Bhaskar" <bhaskar.muppana@intel.com>
Cc: kvm@vger.kernel.org
Subject: Re: Issues while "Debugging Windows Kernel" running on KVM
Date: Thu, 21 Aug 2008 16:47:38 +0300 [thread overview]
Message-ID: <48AD71FA.2000200@il.qumranet.com> (raw)
In-Reply-To: <7D0189F5BE1DF549A570B212D1D561210FA7C8@bgsmsx412.gar.corp.intel.com>
Can you try http://kvm.qumranet.com/kvmwiki/WindowsGuestDebug
You can use windows host as a VM too.
Since (in the past) there was a problem with the virtual serial polling
you can use -no-kvm and the
qemu patch, as described in the wiki.
Good luck, Dor.
Muppana, Bhaskar wrote:
> Hi,
>
> I am facing issues while trying to debug Windows XP kernel running on
> top of Linux KVM.
>
> I have to debug Windows XP kernel running in a VM. I have dedicated
> ttyS0 on the host to the guest. I am using the following command to
> bring up Windows VM.
>
>
> /usr/local/kvm/bin/qemu-system-x86_64 \
> -hda /opt/vdisk.img \
> -boot c \
> -m 512 \
> -net nic,model=rtl8139,macaddr=52:54:00:12:34:56 \
> -net tap,ifname=qtap0,script=no \
> -smp 1 \
> -usb \
> -usbdevice tablet \
> -localtime \
> -serial /dev/ttyS0
>
>
>
> I have another machine, running Windows XP, connected to the Linux host
> through serial cable.
>
> --------
> |Windows |
> | VM |
> |(target)|
> --------
> --------------- ----------------
> | Windows Host | ----------------- | Linux with KVM |
> --------------- ----------------
>
> I am able to send messages between Windows host and target through
> serial ports (tested using windows power shell). But, I am not able to
> use Win DBG (Kernel Debugger) in host to connect to target. Target is
> getting stuck while booting.
>
> Debug enabled Windows entry in boot.ini:
>
> multi(0)disk(0)rdisk(0)partition(1)\WINDOWS="Microsoft Windows XP
> Professional" /fastdetect /debugport=COM1 /baudrate=115200
>
>
> Can someone please help me regarding this?
>
>
>
> Thanks,
> Bhaskar
>
>
>
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prev parent reply other threads:[~2008-08-21 13:47 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-08-21 8:41 Issues while "Debugging Windows Kernel" running on KVM Muppana, Bhaskar
2008-08-21 13:47 ` Dor Laor [this message]
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