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Date: Mon, 15 Sep 2014 00:10:02 -0500
From: Ed Swarthout <ed.swarthout@hdebug.com>
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Subject: udev ptest leaves symlink loops in target sysroots
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I've been working on qemu crashes for the blacklisted emacs build.
As one of the fixes it would be nice to point qemu directly to the 
target sysroots directory to find the loader. But this causes qemu to 
hang because there are symlink loops in the directory tree and it does 
not know how to ignore loops.

It looks like udev ptest is the culprit:

/f/deb/home/yocto/yocto/build2014/tmp/sysroots/qemuppc/usr/lib/udev/ptest/test/sys/block/loop0/subsystem/loop0/subsystem:
   total used in directory 8 available 55515512
   drwxr-xr-x  2 ed ed0 4096 Aug 24 10:51 .
   lrwxrwxrwx  1 ed ed0   33 Aug 24 10:51 loop0 -> 
../../devices/virtual/block/loop0
   lrwxrwxrwx  1 ed ed0   33 Aug 24 10:51 loop1 -> 
../../devices/virtual/block/loop1
   lrwxrwxrwx  1 ed ed0   33 Aug 24 10:51 loop2 -> 
../../devices/virtual/block/loop2
   lrwxrwxrwx  1 ed ed0   33 Aug 24 10:51 loop3 -> 
../../devices/virtual/block/loop3

Does it have to leave these there after it completes the test?

Ed

Ed Swarthout
Austin, Tx