<br><font size=2 face="sans-serif">Roland,</font>
<br>
<br><font size=2><tt>openfabrics-ewg-bounces@openib.org wrote on 05/30/2006
07:46:08 AM:<br>
<br>
> Don> It is rather difficult for me to debug this
sort of hang,<br>
> Don> since I telecommute from Tucson and the machines
are located<br>
> Don> in Phoenix. Anyone have any suggestions?<br>
> <br>
> cat /proc/<pid>/wchan for the process in question. </tt></font>
<br>
<br><font size=2><tt>For the process executing the "ip link set dev
ib0 down" command, this yields:</tt></font>
<br>
<br><font size=2><tt> [jatoba] (root) root> cat /proc/7031/wchan</tt></font>
<br><font size=2><tt> flush_cpu_workqueue</tt></font>
<br>
<br>
<br><font size=2><tt>> "echo t > > /proc/sysrq-trigger"<br>
> will produce copious output that might help as well.<br>
> <br>
> - R.<br>
</tt></font>
<br><font size=2><tt>I also tried this. I didn't see any output on
my terminal. Where does all this "copious output" go?</tt></font>
<br>
<br><font size=2><tt> -Don Albert-</tt></font>
<br>