Re: rawhide report: 20071127 changes

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On Wed, Nov 28, 2007 at 11:38:52AM -0800, darrell pfeifer wrote:
> >selinux-policy-3.1.2-1.fc9
> >--------------------------
> >* Mon Nov 19 2007 Dan Walsh <dwalsh@xxxxxxxxxx> 3.1.2-1
> >- Merge with upstream
> >- Allow xsever to read hwdata_t
> >- Allow login programs to setkeycreate
> 
> Yum updates are hanging at updating selinux-policy-targeted
> 
> Looks like "semodule -b base.pp -i awaitstats.pp ... " is just sitting waiting
> 
> This has happened on 3 different systems. I think all have selinux off.

I had this happen too.

I strace'd semodule & it was blocking on a write() call to a pipe connected
to the parent process. So I killed semodule, and now the parent (the /bin/sh
process for the %post script) blocked on writing to its parent  (yum). So
I killed that too, and now yum blocked writing too. Finally I Ctrl-C'd
yum, and it spewed a bunch of warning messages to stderr, which clearly
came from semodule.

So, two issues - semodule should redirect all its output to /dev/null in
the %post script, and  yum should make sure it consumes both stdout/err
from any scripts it runs so they don't block.

Unfortunately, I lost the strace logs before I could file a BZ report and
my other machines are fine with the update.

Dan.
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