OS freeze probably due to virtuoso

Hi all,
last week I installed fresh new (minimalistic) Arch installation with KDE (only base). Everything seemed fine but from time to time my PC freezes up and I'm not able to login in different tty.
Investigating the issue I found out that systemd-journald sometimes (not always) gets 100% of CPU and huge amounts of memory.
From journalctl it seems that virtuoso-t is the root of problem. Here are my last lines from journalctl
Feb 04 12:05:33 obst160 polkitd[280]: Registered Authentication Agent for unix-session:1 (system bus name :1.25 [/usr/lib/kde4/libexec/polkit-kde-authentication-agent-1], object path /org/kde/PolicyKit1/Au
Feb 04 12:05:41 obst160 kernel: virtuoso-t[913]: segfault at ffffffffffffffff ip 00000000007fb0fe sp 00007f95de850ff0 error 7 in virtuoso-t[400000+a1e000]
Feb 04 12:05:41 obst160 systemd-coredump[950]: Process 571 (virtuoso-t) dumped core.
Feb 04 12:05:44 obst160 systemd-coredump[978]: Process 953 (virtuoso-t) dumped core.
Feb 04 12:05:48 obst160 systemd-coredump[1001]: Process 981 (virtuoso-t) dumped core.
Feb 04 12:05:51 obst160 systemd-coredump[1026]: Process 1004 (virtuoso-t) dumped core.
Feb 04 12:05:54 obst160 systemd-coredump[1048]: Process 1029 (virtuoso-t) dumped core.
Feb 04 12:05:57 obst160 systemd-coredump[1073]: Process 1051 (virtuoso-t) dumped core.
Feb 04 12:06:01 obst160 systemd-coredump[1095]: Process 1076 (virtuoso-t) dumped core.
Feb 04 12:06:04 obst160 systemd-coredump[1117]: Process 1098 (virtuoso-t) dumped core.
Feb 04 12:06:07 obst160 systemd-coredump[1139]: Process 1120 (virtuoso-t) dumped core.
Feb 04 12:06:11 obst160 systemd-coredump[1161]: Process 1142 (virtuoso-t) dumped core.
Feb 04 12:07:22 obst160 systemd[1]: Stopping Journal Service...
Feb 04 12:08:05 obst160 kernel: virtuoso-t[960]: segfault at ffffffffffffffff ip 00000000007fb0fe sp 00007fe7b0808ff0 error 7 in virtuoso-t[400000+a1e000]
Feb 04 12:07:16 obst160 esets_daemon[347]: warning[015b0000]: Cannot write to socket: Broken pipe
Feb 04 12:07:22 obst160 dbus-daemon[227]: [system] Activating via systemd: service name='org.freedesktop.ModemManager1' unit='dbus-org.freedesktop.ModemManager1.service'
Feb 04 12:07:22 obst160 dbus-daemon[227]: [system] Activation via systemd failed for unit 'dbus-org.freedesktop.ModemManager1.service': Unit dbus-org.freedesktop.ModemManager1.service failed to load: No su
Feb 04 12:08:05 obst160 systemd-journal[159]: Journal stopped
Feb 04 12:08:05 obst160 systemd-journal[1394]: Permanent journal is using 4.0G (max 4.0G, leaving 4.0G of free 166.5G, current limit 4.0G).
Feb 04 12:08:05 obst160 kernel: virtuoso-t[999]: segfault at ffffffffffffffff ip 00000000007fb0fe sp 00007fba29ef2ff0 error 7 in virtuoso-t[400000+a1e000]
Feb 04 12:08:05 obst160 kernel: virtuoso-t[1020]: segfault at ffffffffffffffff ip 00000000007fb0fe sp 00007f07b512cff0 error 7 in virtuoso-t[400000+a1e000]
Feb 04 12:08:05 obst160 kernel: virtuoso-t[1042]: segfault at ffffffffffffffff ip 00000000007fb0fe sp 00007f82adf84ff0 error 7 in virtuoso-t[400000+a1e000]
Feb 04 12:08:05 obst160 kernel: virtuoso-t[1067]: segfault at ffffffffffffffff ip 00000000007fb0fe sp 00007fbb2de09ff0 error 7 in virtuoso-t[400000+a1e000]
Feb 04 12:08:05 obst160 kernel: virtuoso-t[1088]: segfault at ffffffffffffffff ip 00000000007fb0fe sp 00007ffe9dc07ff0 error 7 in virtuoso-t[400000+a1e000]
Feb 04 12:08:05 obst160 kernel: virtuoso-t[1115]: segfault at ffffffffffffffff ip 00000000007fb0fe sp 00007f37060e7ff0 error 7 in virtuoso-t[400000+a1e000]
Feb 04 12:08:05 obst160 kernel: virtuoso-t[1125]: segfault at ffffffffffffffff ip 00000000007fb0fe sp 00007f7c481deff0 error 7 in virtuoso-t[400000+a1e000]
Feb 04 12:08:05 obst160 kernel: virtuoso-t[1159]: segfault at ffffffffffffffff ip 00000000007fb0fe sp 00007ff3c69b4ff0 error 7 in virtuoso-t[400000+a1e000]
I also retrived the core dump via systemd-coredump but it has like 50MB and I didn't find much useful information in there.
I tried re-installing virtuoso-base but of course that didn't help.
Right now I tried to change my /etc/systemd/journald.conf to be less "destructive" to my SSD
Storage=none
SystemMaxUse=4G
ForwardToSyslog=yes
ForwardToConsole=no
I believe that this may be virtuoso issue but it is essential to KDE which I really get used to. Does anyone had similar issues or any suggestions what to try right now?
As I said it happens from time to time but it is really annoying and most often it results in "hard" restart.

You are not alone in this.
Google search for 'virtuoso segfault' and you'll see what I mean. It's not just Arch.
I wish I had more to offer. The fact that this is beyond Arch leads me to believe the solution must come from upstream. I do plan on looking into this more when I can, but for now it hasn't been a show stopper for me (it's my gaming rig - plenty of resources). I usually just killall -9 virtuoso until they stop (and stop coming back), then move on with my day. Then again, I know I don't need anything it provides so I haven't lost data.
This thread has some info though: https://bbs.archlinux.org/viewtopic.php?id=160788
"In my case, the nepomuk database was corrupted, so virtuoso_t was exiting with error. The solution was simple: deleting the nepomuk database solved the problem."
mv .kde4/share/apps/nepomuk{,_backup}
I'll check this out later myself and post back if/when it happens.

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This question was solved.
View Solution.

HI @HenriBlommers
Thank you for your inquiry, I will do my best to assist you!
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Have you ran the Windows troubleshooter to assist you?
Here is a link to MSFix it that may also help.
Have you checked for viruses or malware? Microsoft Malicious Software Removal Tool
Have you ran the HP Support Assistant to aid with HP updates?
To manually look for HP updates please input your exact model and follow the prompts to display your drivers and any updates for your system.
Heres is the link to HP Drivers & Downloads.
Best of Luck!
Sparkles1
I work on behalf of HP
Please click “Accept as Solution ” if you feel my post solved your issue, it will help others find the solution.
Click the “Kudos, Thumbs Up" on the bottom right to say “Thanks” for helping!

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Hi!
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//Talking about the number of blocks in /dev/sda3
[ OK ]Reached dhcpcd on eno1
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Last edited by traxys (2014-08-25 16:43:54)

So know , with tying to use the startx command I think I can say that the problem is not GNOME but the drivers ....
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EDIT : just saw this :
(EE)
(EE) Backtrace:
(EE) 0: /usr/bin/X (xorg_backtrace+0x56) [0x58f186]
(EE) 1: /usr/bin/X (0x400000+0x192fc9) [0x592fc9]
(EE) 2: /usr/lib/libpthread.so.0 (0x7f7ef5074000+0xf4b0) [0x7f7ef50834b0]
(EE) 3: /usr/lib/xorg/modules/drivers/intel_drv.so (0x7f7ef08b1000+0x155b5) [0x7f7ef08c65b5]
(EE) 4: /usr/lib/xorg/modules/drivers/intel_drv.so (0x7f7ef08b1000+0x127dcf) [0x7f7ef09d8dcf]
(EE) 5: /usr/lib/xorg/modules/drivers/fglrx_drv.so (xdl_xs115_atiddxPxFreeScreen+0x2e) [0x7f7ef13990ee]
(EE) 6: /usr/lib/xorg/modules/drivers/fglrx_drv.so (xdl_xs115_atiddxFreeScreen+0x64) [0x7f7ef13777d4]
(EE) 7: /usr/bin/X (xf86DeleteScreen+0x5a) [0x47fe8a]
(EE) 8: /usr/bin/X (InitOutput+0xacf) [0x47950f]
(EE) 9: /usr/bin/X (0x400000+0x3ab2a) [0x43ab2a]
(EE) 10: /usr/lib/libc.so.6 (__libc_start_main+0xf0) [0x7f7ef3cde000]
(EE) 11: /usr/bin/X (0x400000+0x250fe) [0x4250fe]
(EE)
(EE) Segmentation fault at address 0x14
(EE)
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Saw ther is an interaction between intel and ati that goes nuts ?
Last edited by traxys (2014-08-25 19:31:59)

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SQL connection error ( probably ) due to Internal battery changed?

Hi
We have an application written in C# 2005 that use an Sql Server 2005 database with Windows authentication mode
Our customer with Windows XP sp3 used our software for a long time without any problem but he needs to change the PC internal battery and after this operation the application is not able to connect with database. I tried to uninstall all SQL server componets
and instance, and reinstall them again but it doesn't work. I think is something related to the clock time of last access to database that is in some ways influencing the connection.
What can we do?
Regards

I tried with your suggestion with SQLCMD - S (localhost)\TEST
Microsoft Windows XP [Sürüm 5.1.2600]
(C) Telif Hakký 1985-2001 Microsoft Corp.
C:\Documents and Settings\A>sqlcmd -S (localhost)\SILCAOEMCLIENT
HResult 0xFFFFFFFF, Level 16, State 1
SQL Network Interfaces: Error Locating Server/Instance Specified [xFFFFFFFF].
Sqlcmd: Error: Microsoft SQL Native Client : An error has occurred while establi
shing a connection to the server. When connecting to SQL Server 2005, this failu
re may be caused by the fact that under the default settings SQL Server does not
allow remote connections..
Sqlcmd: Error: Microsoft SQL Native Client : Login timeout expired.
This is the code
server = new SQLDMO.SQLServer();
server.LoginSecure = true;
// Connessione al server
server.Connect(In_sNomeIstanza, In_Utente, In_Password);
string cs1 = "Server=(local)\\TEST;Trusted_Connection=yes";
Sqlcon = new SqlConnection(cs1);
// THROW GENERIC EXCEPTION ????
if (Sqlcon == null)
MessageBox.Show("a4", "");
return false;
else
Sqlcon.Open();
return( true );
Thank you very much for your help!!!

OS freeze probably due to virtuoso

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