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[Qemu-devel] [Bug 591666] Re: broken "pci_add auto storage"

From: vikas pandey
Subject: [Qemu-devel] [Bug 591666] Re: broken "pci_add auto storage"
Date: Fri, 11 May 2012 10:58:36 -0000

this is vikas pandey,

1:would u please give me ur kernel and initrd source to me ..am also
trying to add pci and usb device in guest os ..

i am using qemu and i am abe to run some of kernel image  and initrd which is 
available on qemu site for testing purpose.
now my ami is to connect the host usb and access the content after running  iso 
image or specifing kernel and initrd image on qemu .

for this task i have followed some procedure which is inlined....

cat /etc/lsb-release
Host pc discription : 
==>uname -a
Linux vikas-ThinkCentre-A70 2.6.38-8-generic #42-Ubuntu SMP Mon Apr 11 03:31:50 
UTC 2011 i686 i686 i386 GNU/Linux

QEMU emulator version 1.0,1, Copyright (c) 2003-2008 Fabrice Bellard

fist i have checked with iso images
step 1:
dd of=ubuntuimage bs=1024 seek=10485760 count=0  
step 2:
qemu -hda ubuntuimage -cdrom m1040_wifi.iso -usbdevice host:1e3d:2093 -m 192 
-boot d
usb_create: no bus specified, using "usb.0" for "usb-host"
(it is a problem which is not permitting guest os to access completly even 
media will be detected on console while booting on qemu  and we can add usb in 
qemu but in qemue gues os shelll it is not detecting any where  )
husb: open device 1.6
husb: config #1 need -1
husb: 1 interfaces claimed for configuration 1
husb: grabbed usb device 1.6
husb: config #1 need 1
husb: 1 interfaces claimed for configuration 1
husb: config #1 need 1
husb: 1 interfaces claimed for configuration 1  
=========>2nd i have used kernel and initrd image 
step >qemu-system-arm -kernel zImage.integrator -initrd arm_root.img -hda 
ubuntuimage -usb -usbdevice host:1e3d:2093  -m 128
segmantation fault
please suggest me as soon as possible ,and please tell me that is it compulsary 
that use kvm and libvirt with qemu for using host usb or not..
because i have also tried alot  with libvirt but every time it is having some 
different -2 error currently error  related with libvirt is ..
==>virsh -c qemu:///system list

virsh: /usr/lib/libvirt.so.0: version `LIBVIRT_0.9.3' not found (required by 
virsh: /usr/lib/libvirt.so.0: version `LIBVIRT_0.9.0' not found (required by 
virsh: /usr/lib/libvirt.so.0: version `LIBVIRT_PRIVATE_0.9.3' not found 
(required by virsh)
virsh: /usr/lib/libvirt.so.0: version `LIBVIRT_0.9.2' not found (required by 

plese tell me now what should ido...
thanks& regards

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  broken "pci_add auto storage"

Status in QEMU:

Bug description:
  (qemu) pci_add auto storage  file=/dev/ram0,if=virtio
  Results in:
  OK domain 0, bus 0, slot 5, function 0

  However no device is actually added to the guest.
  QEMU: Latest git code (June 9) from 
  (seems to be broken from
  KVM: Compiled from git://git.kernel.org/pub/scm/virt/kvm/kvm-kmod.git
  checked out (refs/remotes/origin/stable-2.6.32)

  Both guest and host are Ubuntu 9.10 with 2.6.32 kernel.
  Guest kernel has ACPI enabled (specifically, the PCI slot detection driver)

  Guest executed with the following parameters:
   -boot c -drive 
file=/home/eranr/kvm_images/ubuntu-9.10-2.6.32-perf.img,if=ide,boot=on -m 4096 
-net nic,model=virtio -net tap,ifname=qtap0,script=no -vnc :0 -smp 
1,cores=1,threads=0 -monitor tcp:localhost:6001,server,nowait

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