Re: Issue with yum/systemd?

[Zbigniew Jędrzejewski-Szmek]

On Wed, Mar 11, 2015 at 08:23:43PM -0700, Dave Johansen wrote:
>  On Wed, Mar 11, 2015 at 6:40 AM, Zbigniew Jędrzejewski-Szmek <
>  zbyszek(a)in.waw.pl&gt; wrote:
>  
>  > On Tue, Mar 10, 2015 at 08:15:38PM -0700, Dave Johansen wrote:
>  > > On Tue, Mar 10, 2015 at 7:53 PM, Dave Johansen <davejohansen(a)gmail.com&gt;
>  > > wrote:
>  > >
>  > > > On Tue, Mar 10, 2015 at 5:10 AM, Michal Schmidt
> <mschmidt(a)redhat.com&gt;
>  > > > wrote:
>  > > >
>  > > >> On 03/10/2015 03:13 AM, Dave Johansen wrote:
>  > > >> > #0  0xb76debac in __kernel_vsyscall ()
>  > > >> > #1  0xb7510d03 in __waitpid_nocancel () from
> /lib/libpthread.so.0
>  > > >> > #2  0xb6fa4842 in rpmScriptRun () from /lib/librpm.so.3
>  > > >> > #3  0xb6f83c53 in runScript () from /lib/librpm.so.3
>  > > >> > #4  0xb6f8434f in runInstScript () from /lib/librpm.so.3
>  > > >> > #5  0xb6f8531b in rpmpsmRun () from /lib/librpm.so.3
>  > > >> > #6  0xb6f9a3cb in rpmteProcess () from /lib/librpm.so.3
>  > > >> > #7  0xb6fa1714 in rpmtsRun () from /lib/librpm.so.3
>  > > >> > [...]
>  > > >> > It looks like yum is waiting on some process.
>  > > >>
>  > > >> It's waiting for a package scriptlet to finish.
>  > > >>
>  > > >
>  > > > Here's the contents of the script that it's waiting on:
>  > > > if [ $1 -eq 0 ] ; then
>  > > >   # Package removal, not upgrade
>  > > >   systemctl --no-reload disable minetest(a)default.service > /dev/null
>  > 2>&1
>  > > > || :
>  > > >   systemctl stop minetest(a)default.service > /dev/null 2>&1 || :
>  > > > fi
>  > > >
>  > >
>  > > Sorry for the multiple emails. It's stuck on the call to stop the
>  > service.
>  > > When I run status, I prints the following:
>  > > . minetest(a)default.service - Minetest multiplayer server w/ default.conf
>  > > server config
>  > >    Loaded: loaded (/usr/lib/system/system/minetest@.service; disabled)
>  > >    Active: inactive (dead)
>  > >
>  > > Any recommendations on what I should do next to diagnose the source of
>  > the
>  > > problem?
>  >
>  > How long does it stay in this state? systemctl times out connections
>  > after a timeout (25s ?), so even if it fails to communicate with PID1 for
>  > any reason, rpm should still continue at some point.
>  >
>  > pstree -ap <pid-of-rpm> should show a list of processes. If it's
> systemctl
>  > that is hanging, can you post the backtrace?
>  >
>  
>  It had been stuck for ~3 days and last night I got sick of my computer
>  being sluggish, so I started trying to see if I could get it to break free.
>  I should have gotten a stacktrace for systemctl first, but didn't think of
>  that and here's what happened:
>  
>  I ran "systemctl start minetest(a)default.service&quot;
>  Then after a few seconds, the system went into what I believe was "suspend
>  mode" (screen went blank and I had to hit the power button to get things to
>  come back). I then hit Ctrl-C after about 30 seconds because it appeared
>  that the service wasn't actually starting (it technically was in the
>  process of being removed after all).
>  
>  After that, the CPU usage of systemd dropped back to being close to 0 and
>  the status output the following:
>  ● minetest(a)default.service
>     Loaded: not-found (Reason: No such file or directory)
>     Active: inactive (dead)
>  
>  Mar 10 20:16:19 JohansenDev systemd[1]: Failed to start
>  minetest(a)default.service. 
This could be somehow related to a restart of unit after
it's file has
been removed. We had some bugs in that area in the past.

Sorry, can't say what the problem was.

Zbyszek