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[Xen-bugs] [Bug 1197] New: "insmod balloon.ko" shows error on RHEL5.1

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Subject: [Xen-bugs] [Bug 1197] New: "insmod balloon.ko" shows error on RHEL5.1
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Date: Fri, 28 Mar 2008 06:35:05 -0700
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           Summary: "insmod balloon.ko" shows error on RHEL5.1
           Product: Xen
           Version: unstable
          Platform: Other
        OS/Version: Linux-2.6
            Status: NEW
          Severity: normal
          Priority: P2
         Component: Guest-OS
        AssignedTo: xen-bugs@xxxxxxxxxxxxxxxxxxx
        ReportedBy: haicheng.li@xxxxxxxxx

on RHEL5.1, "insmod balloon.ko" shows error as below:

Xen version 3.3.
Hypercall area is 1 pages.
xen_mem: Initialising balloon driver.
kobject_add failed for memory with -EEXIST, don't try to register things with
the same name in the same directory.

Call Trace:
 [<ffffffff80141148>] kobject_add+0x16e/0x199
 [<ffffffff8846fa43>] :xen_balloon:balloon_sysfs_init+0x12/0xbb
 [<ffffffff8810d0cb>] :xen_balloon:balloon_init+0xcb/0xf1
 [<ffffffff800a29da>] sys_init_module+0x16a6/0x1857
 [<ffffffff8000c1a5>] _atomic_dec_and_lock+0x39/0x57
 [<ffffffff8005b28d>] tracesys+0xd5/0xe0

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