4 a.m.
Wouldn't it be caught by abrtd if it were running with the python plugin?
(you might need to put size unlimited and key checking disabled).
----- Original Message -----
From: "Dan Kenigsberg" <danken(a)redhat.com>
To: "Dan Ferris" <dferris(a)prometheusresearch.com>
Cc: "<users(a)ovirt.org>" <users(a)ovirt.org>
Sent: Thursday, October 17, 2013 9:22:25 AM
Subject: Re: [Users] vdsmd seg fault
On Wed, Oct 16, 2013 at 09:43:57AM -0600, Dan Ferris wrote:
>
>
> On 10/16/2013 8:55 AM, Dan Kenigsberg wrote:
> >On Wed, Oct 16, 2013 at 08:33:10AM -0600, Dan Ferris wrote:
> >>
> >>
> >>On 10/16/2013 12:27 AM, Dan Kenigsberg wrote:
> >>>On Tue, Oct 15, 2013 at 10:24:44AM -0600, Dan Ferris wrote:
> >>>>I updated to the latest Fedora 19 on two test servers, and now
vdsmd
> >>>>will not start.
> >>>>
> >>>>Systedctl says this:
> >>>>
> >>>>dsmd.service - Virtual Desktop Server Manager
> >>>> Loaded: loaded (/usr/lib/systemd/system/vdsmd.service; enabled)
> >>>> Active: failed (Result: exit-code) since Mon 2013-10-14
12:31:30
> >>>>EDT; 23h ago
> >>>> Process: 1788 ExecStart=/lib/systemd/systemd-vdsmd start
> >>>>(code=exited, status=139)
> >>>>
> >>>>Oct 14 12:31:30 rs0-ovirt0.rexdb.us python[1862]: DIGEST-MD5
> >>>>ask_user_info()
> >>>>Oct 14 12:31:30 rs0-ovirt0.rexdb.us python[1862]: DIGEST-MD5 client
> >>>>step 2
> >>>>Oct 14 12:31:30 rs0-ovirt0.rexdb.us python[1862]: DIGEST-MD5
> >>>>ask_user_info()
> >>>>Oct 14 12:31:30 rs0-ovirt0.rexdb.us python[1862]: DIGEST-MD5
> >>>>make_client_response()
> >>>>Oct 14 12:31:30 rs0-ovirt0.rexdb.us python[1862]: DIGEST-MD5 client
> >>>>step 3
> >>>>Oct 14 12:31:30 rs0-ovirt0.rexdb.us systemd-vdsmd[1788]:
> >>>>/lib/systemd/systemd-vdsmd: line 185: 1862 Segmentation fault
> >>>>"$VDSM_TOOL" nwfilter
> >>>>Oct 14 12:31:30 rs0-ovirt0.rexdb.us systemd-vdsmd[1788]: vdsm:
> >>>>Failed to define network filters on libvirt[FAILED]
> >>>>Oct 14 12:31:30 rs0-ovirt0.rexdb.us systemd[1]: vdsmd.service:
> >>>>control process exited, code=exited status=139
> >>>>Oct 14 12:31:30 rs0-ovirt0.rexdb.us systemd[1]: Failed to start
> >>>>Virtual Desktop Server Manager.
> >>>>Oct 14 12:31:30 rs0-ovirt0.rexdb.us systemd[1]: Unit vdsmd.service
> >>>>entered failed state.
> >>>>
> >>>>Has anyone else experienced this?
> >>>
> >>>I haven't. Does the segfault introduce when you run
> >>>
> >>> gdb vdsm-tool nwfilter
> >>>
> >>>as root? Could you send the output of `bt full` if it does?
> >>>
> >>
> >>gdb is complaining that vdsm-tool is a python script and not in elf
> >>format.
> >
> >doh me. `gdb python`, followed by `run /usr/bin/vdsm-tool nwfilter` is
> >what should be done.
> >
> >>
> >>However, running vdsm-tool nwfilter runs and has a return code of 0.
> >
> >But when it's called via systemd, the segfault still reproduces?
> >
> >Dan.
> >
>
> Yeah, that's correct. It segfaults when it runs from systemd.
>
> I just ran it from gdb:
>
> GNU gdb (GDB) Fedora 7.6.1-41.fc19
> Copyright (C) 2013 Free Software Foundation, Inc.
> License GPLv3+: GNU GPL version 3 or later
> <http://gnu.org/licenses/gpl.html>
> This is free software: you are free to change and redistribute it.
> There is NO WARRANTY, to the extent permitted by law. Type "show
copying"
> and "show warranty" for details.
> This GDB was configured as "x86_64-redhat-linux-gnu".
> For bug reporting instructions, please see:
> <http://www.gnu.org/software/gdb/bugs/>...
> Reading symbols from /usr/bin/python2.7...Reading symbols from
> /usr/bin/python2.7...(no debugging symbols found)...done.
> (no debugging symbols found)...done.
> Missing separate debuginfos, use: debuginfo-install
> python-2.7.5-8.fc19.x86_64
> (gdb) run /usr/bin/vdsm-tool nwfilter
> Starting program: /usr/bin/python /usr/bin/vdsm-tool nwfilter
> [Thread debugging using libthread_db enabled]
> Using host libthread_db library "/lib64/libthread_db.so.1".
> [New Thread 0x7fffe4bb8700 (LWP 8808)]
> [Thread 0x7ffff7fec740 (LWP 8804) exited]
> [Inferior 1 (process 8804) exited normally]
> (gdb) bt full
> No stack.
>
> Looks like it's happy.
>
> Is there any other info you want about my system? I'm even willing
> to let somebody log in and poke around.
Unfortunately I do no know how to turn on core-dumping within systemd,
maybe someone else could help.
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