From: Mukesh Rathor <mukesh.rathor@oracle.com>
To: Jan Beulich <JBeulich@novell.com>
Cc: "Xen-devel@lists.xensource.com" <Xen-devel@lists.xensource.com>
Subject: Re: help: /dev/xen/gntdev
Date: Tue, 16 Feb 2010 14:14:12 -0800 [thread overview]
Message-ID: <20100216141412.2e9f4782@mantra.us.oracle.com> (raw)
In-Reply-To: <4B753293020000780002F379@vpn.id2.novell.com>
Forgot to mention, rebuilding dom0 with gntdev (CONFIG_XEN_GRANT_DEV)
resolved the issue. Thanks Jan.
Mukesh
On Fri, 12 Feb 2010 09:50:59 +0000
"Jan Beulich" <JBeulich@novell.com> wrote:
> Do you have the gntdev driver loaded (or built into your kernel)?
>
> Jan
>
> >>> Mukesh Rathor <mukesh.rathor@oracle.com> 12.02.10 05:11 >>>
> Hi
>
> I'm trying to upgrade my environment from xen 3.4.0 to xen 4.0 via
> rpm that fits in our product. I installed new tools and xen, and it
> looks like I am missing a step.
>
> In 4.0 qemu DEVOPS_FLAG_NEED_GNTDEV was added to xen_console_ops. This
> results in xc_gnttab_open() being called which calls
> xc_find_device_number() to get device nums for /dev/xen/gntdev so it
> can mknod. xc_find_device_number() is failing because there is no
> entry in the the sysfs.
>
> So, can someone please advise how the entry is created in the sysfs?
> The exact path it's looking: /sys/class/misc/gntdev/dev
>
>
> thanks,
> Mukesh
>
>
>
> _______________________________________________
> Xen-devel mailing list
> Xen-devel@lists.xensource.com
> http://lists.xensource.com/xen-devel
prev parent reply other threads:[~2010-02-16 22:14 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-02-12 4:11 help: /dev/xen/gntdev Mukesh Rathor
2010-02-12 9:50 ` Jan Beulich
2010-02-16 22:14 ` Mukesh Rathor [this message]
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