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[Xen-users] Fwd: xentrace returns error

To: xen-users@xxxxxxxxxxxxxxxxxxxx
From: Man Chon Kuok <manchonkuok@xxxxxxxxx>
Date: Mon, 8 Jan 2018 15:54:08 -1000
Delivery-date: Tue, 09 Jan 2018 01:54:51 +0000
List-id: Xen user discussion <xen-users.lists.xenproject.org>

Hi,

I want to use xentrace to look at some debugging messages, but when I called xentrace, I received the following message:

mkuok@mkuok-linux:~$ sudo xentrace trace
ERROR: Failed to map cpu buffer! (13 = Permission denied)

Any guidance on xentrace is appreciated.

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References:
- [Xen-users] xentrace returns error
  - From: Man Chon Kuok

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