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Xen Still hangs up when insmod xenbus.ko. Re: [Xen-devel] Unmodified_drivers modules broke again for 3.0.4?

Hi Ian,

Now I can xen-platform-pci.ko can be loaded after building unmodified_drivers modules with the correct kernel header. Thanks for pointing out.

However, Xen still hangs up when I try load xenbus.ko module after xen-platform-pci.ko is loaded successfully. The problem remains the same even though I applied the patch you provided and using the latest xen-unstable.hg version.



----- Original Message ----- From: "Ian Campbell" <Ian.Campbell@xxxxxxxxxxxxx>
To: "Liang Yang" <multisyncfe991@xxxxxxxxxxx>
Cc: "xen-devel" <xen-devel@xxxxxxxxxxxxxxxxxxx>; "Keir Fraser" <keir@xxxxxxxxxxxxx>; <xen-users@xxxxxxxxxxxxxxxxxxx>
Sent: Saturday, January 06, 2007 4:44 AM
Subject: Re: [Xen-devel] Unmodified_drivers modules broke again for 3.0.4?

On Fri, 2007-01-05 at 16:51 -0700, Liang Yang wrote:

I tried to load unmodified_drivers modules for vbd device and got error when
doing insmod xen-platform-pci.ko in HVM Linux domain:
xen_platform_pci: disagrees about version of symbol struct_module
insmod: error inserting 'xen-platform-pci.ko' : -1 invalid module format.

I used the same kernel version for HVM Linux kernel and the kernel I was
building unmodified_drivers, i.e. they are both I tested
xen-3.0.4-testing and xen-unstable, all got the same problem. Xen 3.0.2 with kernel version still works fine.

Could anyone point out some links to fix this?

I needed the patch below when I tried the xen-unstable version
yesterday. I don't see how it can be related to the problem you are
seeing but with it they work fine for me on RHEL4 and SLES9. I didn't
try 2.6.16 but I will on Monday.

Are you sure you are building against the correct kernel headers for the
kernel you are running?


diff -r d04ff58bbe18 unmodified_drivers/linux-2.6/platform-pci/evtchn.c
--- a/unmodified_drivers/linux-2.6/platform-pci/evtchn.c Fri Jan 05 10:40:19 2007 +0000 +++ b/unmodified_drivers/linux-2.6/platform-pci/evtchn.c Fri Jan 05 14:40:02 2007 +0000
@@ -48,6 +48,12 @@ static struct {
 void *dev_id;
 int close; /* close on unbind_from_irqhandler()? */
} evtchns[MAX_EVTCHN];
+int irq_to_evtchn_port(int irq)
+        return irq;

void mask_evtchn(int port)

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