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[Xen-devel] "kobject add failed"

  • To: xen-devel@xxxxxxxxxxxxxxxxxxx
  • From: "Petersson, Mats" <Mats.Petersson@xxxxxxx>
  • Date: Thu, 3 May 2007 17:39:30 +0200
  • Delivery-date: Thu, 03 May 2007 08:39:05 -0700
  • List-id: Xen developer discussion <xen-devel.lists.xensource.com>
  • Thread-index: AceNmT0esnMamshHQgCftANOeSweVQ==
  • Thread-topic: "kobject add failed"

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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