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Date: Fri, 06 Aug 2010 10:45:10 +0200
From: Gerd Hoffmann <kraxel@redhat.com>
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Subject: [Qemu-devel] Re: Win2K8 32-bit Mix of IDE and SCSI assertion
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To: Peter Lieven <pl@dlh.net>
Cc: qemu-devel@nongnu.org, kvm@vger.kernel.org

On 08/05/10 22:58, Peter Lieven wrote:
> Hi,
>
> we today saw a Win2k8 VM with first device IDE and second device SCSI crash reprocably during boot.
> Win2k8 32-bit Server was installed with IDE only. The second SCSI device was added later.
>
> Here is the output and commandline:
>
> Aug  5 20:42:55 172.21.59.142 exec: /usr/bin/qemu-kvm-0.12.4  -net tap,vlan=726,script=no,downscript=no,ifname=tap0 -net nic,vlan=726,model=rtl8139,macaddr=52:54:00:fe:00:bf   -drive format=host_device,file=/dev/mapper/iqn.2001-05.com.equallogic:0-8a0906-e4ce1ab04-3ce7a1250354c545-p01-w2k8,if=ide,boot=on,cache=none,aio=native  -drive format=host_device,file=/dev/mapper/iqn.2001-05.com.equallogic:0-8a0906-319e1ab04-39a7a1250204c503-test2,if=scsi,boot=off,cache=none,aio=native  -m 4096 -smp 4 -monitor tcp:0:4001,server,nowait -vnc :1 -name 'W2K8-01'  -boot order=dc,menu=off  -k de  -pidfile /var/run/qemu/vm-200.pid  -mem-path /hugepages -mem-prealloc  -cpu qemu64,model_id='Intel(R) Xeon(R) CPU           L5640  @ 2.27GHz',-nx  -rtc base=localtime,clock=vm -vga cirrus  -usb -usbdevice tablet
> Aug  5 20:43:06 172.21.59.142 kvm: lsi_scsi: error: Unhandled writeb 0xff = 0x0
> Aug  5 20:43:06 172.21.59.142 kvm: lsi_scsi: error: Unhandled writeb 0x100 = 0x0
> Aug  5 20:43:06 172.21.59.142 kvm: lsi_scsi: error: Unhandled writeb 0x101 = 0x0
> Aug  5 20:43:06 172.21.59.142 kvm: lsi_scsi: error: Unhandled writeb 0x102 = 0x0
> Aug  5 20:43:06 172.21.59.142 kvm: qemu-kvm-0.12.4: /usr/src/qemu-kvm-0.12.4/hw/lsi53c895a.c:512: lsi_do_dma: Assertion `s->current' failed.
> Aug  5 20:43:06 172.21.59.142 kvm: Aborted
> Aug  5 20:43:06 172.21.59.142 kvm errno=134
>
> Any ideas?

Fixed in master.

http://git.qemu.org/qemu.git/commit/?id=d1d74664ea99cdc571afee12e31c8625595765b0

cheers,
   Gerd