Re: [Xen-devel] netfront: rx->offset: 12, size: 4294967295

[Jacek Konieczny <jajcus@xxxxxxxxxx>]

On Fri, Jun 01, 2007 at 03:22:03PM +0100, Keir Fraser wrote:
> On 1/6/07 15:05, "Jacek Konieczny" <jajcus@xxxxxxxxxx> wrote:
> 
> > I recompiled the kernel again and again, with different options (of
> > course, I am not able to test all possible configurations) and still no
> > go. I am using vanilla 2.6.18 kernel patched with output of Xen's
> > 'make mkpatches' and with squashfs (it touches nothing but the
> > filesystem).
> > 
> > Any idea what may be wrong? What else may I try?
> 
> Any weird options on your dom0 or domU command lines?

Nothing, just root and console.

> Netback is sending error responses to your domUs, hence the messages you get
> from netfront in domU. Have you tried a debug build of Xen, and also
> redefine the DPRINTK() macro in netback.c to printk(KERN_ALERT)? This will
> very likely get you some tracing per packet about what is going wrong.

dom0 dmesg:

device vif3.0 entered promiscuous mode
xenbr0: port 5(vif3.0) entering learning state
xenbr0: topology change detected, propagating
xenbr0: port 5(vif3.0) entering forwarding state
blkback: ring-ref 8, event-channel 6, protocol 1 (unspecified, assuming
native)
blkback: ring-ref 9, event-channel 7, protocol 1 (unspecified, assuming
native)
blkback: ring-ref 10, event-channel 8, protocol 1 (unspecified, assuming
native)
Bad status -1 from grant transfer to DOM3
Bad status -1 from grant transfer to DOM3
Bad status -1 from grant transfer to DOM3
Bad status -1 from grant transfer to DOM3

xm dmesg:

(XEN) grant_table.c:877:d0 gnttab_transfer: Transferee has no reservation 
headroom (40960,40960) or provided a bad grant ref (000001e9) or is dying (0)
(XEN) grant_table.c:877:d0 gnttab_transfer: Transferee has no reservation 
headroom (40960,40960) or provided a bad grant ref (000001ea) or is dying (0)
(XEN) grant_table.c:877:d0 gnttab_transfer: Transferee has no reservation 
headroom (40960,40960) or provided a bad grant ref (000001eb) or is dying (0)

This is generated by xen 3.0.5-rc1 binary from the "Xen 3.1.0 32-bit
PAE" package.

Greets,
        Jacek

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