<div dir="ltr"><div><br></div>the dmesg log:<br><a href="https://mega.co.nz/#!VIgnQYbK!cC0l8WKOtgJkmi0pCbpJf9mm357nzi0fpV0extUmbC0">https://mega.co.nz/#!VIgnQYbK!cC0l8WKOtgJkmi0pCbpJf9mm357nzi0fpV0extUmbC0</a><br><div><div class="gmail_extra"><br><div class="gmail_quote">2014-10-31 11:49 GMT+08:00 Dave Chinner <span dir="ltr"><<a href="mailto:david@fromorbit.com" target="_blank">david@fromorbit.com</a>></span>:<br><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><span class="">On Fri, Oct 31, 2014 at 09:51:27AM +0800, Tommy Wu wrote:<br>
> After apply this patch, xfsdump will hang again.<br>
><br>
> the log for xfsdump:<br>
> <a href="https://mega.co.nz/#!tUgz3QrC!q7Ix53sl9lYCg0iKRHjgOqF0tZJAVKHBNz0OHWof-ds" target="_blank">https://mega.co.nz/#!tUgz3QrC!q7Ix53sl9lYCg0iKRHjgOqF0tZJAVKHBNz0OHWof-ds</a><br>
><br>
> But 'echo w > /proc/sysrq-trigger' no any blocked task in dmesg.<br>
<br>
</span>echo l > /proc/sysrq-trigger<br>
echo t > /proc/sysrq-trigger<br>
<div class=""><div class="h5"><br>
-Dave.<br>
--<br>
Dave Chinner<br>
<a href="mailto:david@fromorbit.com">david@fromorbit.com</a><br>
</div></div></blockquote></div><br><br clear="all"><br>-- <br><div class="gmail_signature"><br>Tommy Wu</div>
</div></div></div>