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Re: [Xen-devel] "kobject add failed"

To: "Petersson, Mats" <Mats.Petersson@xxxxxxx>, <xen-devel@xxxxxxxxxxxxxxxxxxx>
Subject: Re: [Xen-devel] "kobject add failed"
From: Keir Fraser <keir@xxxxxxxxxxxxx>
Date: Thu, 03 May 2007 17:40:54 +0100
Delivery-date: Thu, 03 May 2007 09:39:45 -0700
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Looks like a dom0 kernel bug?

 -- Keir

On 3/5/07 16:39, "Petersson, Mats" <Mats.Petersson@xxxxxxx> wrote:

> When runnign two scripts for hvm save/restore iterations at the same
> time, I got this message after around 150 (combined between the two
> scripts). The one process is now stuck on "saving"...
> kobject_add failed for tap0 with -EEXIST, don't try to register things
> with the
> same name in the same directory.
> Call Trace:
>  [<ffffffff802e9af5>] kobject_add+0x16e/0x199
>  [<ffffffff8034522b>] class_device_add+0xaf/0x441
>  [<ffffffff802e97c0>] kobject_get+0x12/0x17
>  [<ffffffff80394a39>] register_netdevice+0x23b/0x30b
>  [<ffffffff882df972>] :tun:tun_chr_ioctl+0x272/0x4db
>  [<ffffffff8027e6f0>] do_filp_open+0x2d/0x3d
>  [<ffffffff80291621>] do_ioctl+0x55/0x6b
>  [<ffffffff80291889>] vfs_ioctl+0x252/0x26b
>  [<ffffffff802918fb>] sys_ioctl+0x59/0x7a
>  [<ffffffff8020a640>] tracesys+0xa7/0xb3

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