Re: [Xen-ia64-devel] DomVTi with PV-on-HVM drivers causes the hypervisor panic

[Isaku Yamahata <yamahata@xxxxxxxxxxxxx>]

On Fri, Jul 25, 2008 at 04:37:25PM +0900, KUWAMURA Shin'ya wrote:

> On cset:18134, creating DomVTi with PV-on-HVM drivers causes the
> hypervisor panic on both hp rx2620 and Tiger4.
> I attached the panic message on hp rx2620.

Hi.
I tried PV-on-HVM driver (vbd and vnif) on tiger4 with
the vanilla linux 2.6.18.8.
I couldn't reproduce the panic. It boots to show login prompt.
What else do I need to reproduce?


from dmesg in HVM domain
> xen-vbd: registered block device major 202
> blkfront: xvda: barriers enabled
>  xvda: xvda1 xvda2
> netfront: Initialising virtual ethernet driver.

> $ mount
> /dev/xvda2 on / type ext3 (rw)
> none on /proc type proc (rw)
> none on /sys type sysfs (rw)
> none on /dev/pts type devpts (rw,gid=5,mode=620)
> /dev/xvda1 on /boot/efi type vfat (rw)
> none on /dev/shm type tmpfs (rw)
> none on /proc/sys/fs/binfmt_misc type binfmt_misc (rw)

$ /sbin/ifconfig  eth0
eth0      Link encap:Ethernet  HWaddr 00:16:3E:28:9E:D1  
          inet addr:172.17.107.16  Bcast:172.17.255.255  Mask:255.255.0.0
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:16865 errors:0 dropped:0 overruns:0 frame:0
          TX packets:29617 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000 
          RX bytes:1173073 (1.1 MiB)  TX bytes:4618984 (4.4 MiB)

from dom0
# xm block-list 2 --long
(51712
    ((backend-id 0)
        (virtual-device 51712)
        (device-type disk)
        (state 4)
        (backend /local/domain/0/backend/vbd/2/51712)
        (ring-ref 8)
        (event-channel 6)
        (protocol ia64-abi)
    )
)

# xm network-list 2 --long
(0
    ((backend-id 0)
        (mac 00:16:3e:28:9e:d1)
        (handle 0)
        (state 4)
        (backend /local/domain/0/backend/vif/2/0)
        (tx-ring-ref 521)
        (rx-ring-ref 522)
        (event-channel 7)
        (request-rx-copy 1)
        (feature-rx-notify 1)
        (feature-no-csum-offload 0)
        (feature-sg 1)
        (feature-gso-tcpv4 1)
    )
)

from config file
disk = [ 'file:/home/yamahata/xen/vti-disk-image/xenia64.img,xvda,w' ]
vif = [ 'bridge=eth0' ]


-- 
yamahata

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