From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andrew Goodbody Date: Tue, 22 Jan 2013 18:50:44 +0000 Subject: blktrace and exclusive access problem Message-Id: <50FEDF84.6070901@elfringham.co.uk> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: linux-btrace@vger.kernel.org I am trying to blktrace a scsi scanner on /dev/sg7 but unfortunately the program opens that device for exclusive access so when I try and start blktrace I get the following Invalid path /dev/sg7 specified: 16/Device or resource busy This is on Debian testing, with kernel version 3.2.0-4-amd64 and no support for /proc/scsci. Is there any way around this? I did try to search the list archives but I found nothing relevant. Thanks, Andrew