Boinc 7.0.24/Ubuntu computation errors


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Message 1224682 - Posted: 29 Apr 2012, 1:55:04 UTC

I just reinstalled Ubuntu on my server today, switching from 10.04 to 12.04

now every WU downloaded throws a computation error instantly upon trying to run. I have not had one WU even begin to process. They just error.

blah. any ideas

It's a xeon, no GPU, never had an issue in the past.
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Message 1224686 - Posted: 29 Apr 2012, 2:01:22 UTC - in response to Message 1224682.

I just reinstalled Ubuntu on my server today, switching from 10.04 to 12.04

now every WU downloaded throws a computation error instantly upon trying to run. I have not had one WU even begin to process. They just error.

blah. any ideas

It's a xeon, no GPU, never had an issue in the past.


See this thread
http://setiathome.berkeley.edu/forum_thread.php?id=67859
Which links to this thread
http://setiathome.berkeley.edu/forum_thread.php?id=67670
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Message 1224690 - Posted: 29 Apr 2012, 2:08:52 UTC
Last modified: 29 Apr 2012, 2:11:38 UTC

Thanks Arkyan. Apparently I even posted on one of those threads.

So I've got a bunk install of boinc. Blah.
How does software end up in a repo with a bug like this......!!! <shakes fist>

Well, I guess since I don't wanna compile anything, it's off to harass the buntu folks to fix the repo version...

And get an older one installed in the meantime.

I'm done for the day. Looks like my crunching is dropping to "0" for a bit.
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Message 1224694 - Posted: 29 Apr 2012, 2:16:14 UTC
Last modified: 29 Apr 2012, 2:35:56 UTC

Another "bug" I've seen with this version is:

"Xlib: extension "MIT-SCREEN-SAVER" missing on display..."

I run my linux boxes via ssh and on my 12.04 test box I noticed that error forcing its way on to my command line repeatedly. It still does it of course.

If that doesn't get fixed I'm not going to run boinc on my best machine, because I will not put up with that message filling my screen overwriting whatever im working on from command line.

In the next day or two I'll get the boinc from the 10.04 repo installed on my server as it produces neither of these mentioned issues.
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Message 1224695 - Posted: 29 Apr 2012, 2:18:28 UTC

I've uninstalled the 7.0.24 Ubuntu version and installed 7.0.26 manually and copied all the optimized apps, seems all works OK now. It was easier than I first thought it would be, but I wont switch to Linux any day soon as my primary OS ;)

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Message 1224922 - Posted: 29 Apr 2012, 15:34:48 UTC
Last modified: 29 Apr 2012, 15:36:19 UTC

Ok, I jumped over to launchpad and harassed the package maintainer with a bug report for 12.04 and 7.0.24/25 with the computation error. Along with another bug report for the "Xlib: extension "MIT-SCREEN-SAVER" missing on display..." error that pops up on command line while boinc is running.

I'll let you know when I hear back.
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Message 1224934 - Posted: 29 Apr 2012, 16:28:49 UTC

A package maintainer got back to me already. He was kind enough to give me his ppa repository link. I have installed 7.0.26 on my ubuntu. As soon as I get given some workunits I'll let you know how it goes.

The package maintainer asked me to verify the bug is fixed in 7.0.26. So hopefully if so it can be moved into the Ubuntu repos sooner than later.
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Message 1224938 - Posted: 29 Apr 2012, 16:33:21 UTC
Last modified: 29 Apr 2012, 16:34:15 UTC

Um so who said 7.0.26 had fixed this issue?????


Because it is indeed NOT fixed in 7.0.26

The package maintainer even mentioned that there was no note in his changelog that the bug was resolved with 7.0.26.
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Message 1224952 - Posted: 29 Apr 2012, 16:59:10 UTC - in response to Message 1224938.

Um so who said 7.0.26 had fixed this issue?????


Because it is indeed NOT fixed in 7.0.26

The package maintainer even mentioned that there was no note in his changelog that the bug was resolved with 7.0.26.

Since I installed 7.0.26 I haven't had the CPU error.

One example

http://setiathome.berkeley.edu/result.php?resultid=2413005565

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Message 1224953 - Posted: 29 Apr 2012, 17:03:43 UTC
Last modified: 29 Apr 2012, 17:09:48 UTC

What exactly was the nature of your error.

In my case it's:

I run a xeon server, no gpu. used buntu 10.04 and boinc 6.something
Did not have any issues.

Upgraded to 12.04, installed boinc 7.0.24.

As soon as a WU begins to process it instantly stops and shows status "computation error". It happens so quick that as soon as a WU is downloaded it's instantly wasted, and the list runs out of tasks. It will not/ has not/ can not process a single second of a single WU since the change to 7.0.24 and buntu 12.04.

and to recap the package maintainer at lauchpad had me try 7.0.26, in which the issue still persists.

My p4 system when tested a few weeks back did not have the issue with erroring. only my 64bit xeon system has this issue.
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Message 1224956 - Posted: 29 Apr 2012, 17:09:59 UTC

Using Ubuntu 11.10 and BOINC 6.12.33 I had no problem.

Upgraded to Ubuntu 12.04 and BOINC 7.0.24 and I also got the instant CPU error.

One example

http://setiathome.berkeley.edu/result.php?resultid=2412287516

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Message 1224961 - Posted: 29 Apr 2012, 17:26:24 UTC
Last modified: 29 Apr 2012, 18:02:31 UTC

But you say it was fixed when changing to 7.0.26? I mean you're using 64 bit linux so I'd assume I'm having the problem that you're not anymore...

Is there something I perhaps did not remove from my system, i.e. leftover files and the like. Maybe I need to get rid of stuff and then try to install 7.0.26 again?
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Message 1224964 - Posted: 29 Apr 2012, 17:41:03 UTC

Only difference that I can see is John installed from BOINC and is running from his user account.

Can both of you post the first 20 lines of the startup messages.
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Message 1224968 - Posted: 29 Apr 2012, 17:47:04 UTC
Last modified: 29 Apr 2012, 17:55:29 UTC

29-Apr-2012 13:53:59 [---] No config file found - using defaults
29-Apr-2012 13:53:59 [---] Starting BOINC client version 7.0.26 for x86_64-pc-linux-gnu
29-Apr-2012 13:53:59 [---] log flags: file_xfer, sched_ops, task
29-Apr-2012 13:53:59 [---] Libraries: libcurl/7.22.0 OpenSSL/1.0.1 zlib/1.2.3.4 libidn/1.23 librtmp/2.3
29-Apr-2012 13:53:59 [---] Data directory: /home/administrator
29-Apr-2012 13:53:59 [---] Processor: 8 GenuineIntel Intel(R) Xeon(R) CPU E31230 @ 3.20GHz [Family 6 Model 42 Stepping 7]
29-Apr-2012 13:53:59 [---] Processor: 8.00 MB cache
29-Apr-2012 13:53:59 [---] Processor features: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx rdtscp lm constant_tsc arch_perfmon pebs bts rep_good nopl xtopology nonstop_tsc aperfmperf pni pclmulqdq dtes64 monitor ds_cpl vmx smx est tm2 ssse3 cx16 xtpr pdcm pcid sse4_1 sse4_2 x2apic popcnt tsc_deadline_timer xsave avx lahf_lm ida arat epb xsaveopt pln pts dts tpr_shadow vnmi flexpriority ept vpid
29-Apr-2012 13:53:59 [---] OS: Linux: 3.2.0-23-generic
29-Apr-2012 13:53:59 [---] Memory: 15.65 GB physical, 18.63 GB virtual
29-Apr-2012 13:53:59 [---] Disk: 446.65 GB total, 415.64 GB free
29-Apr-2012 13:53:59 [---] Local time is UTC -4 hours
29-Apr-2012 13:53:59 [---] VirtualBox version: 4.1.12_Ubuntur77245
29-Apr-2012 13:53:59 [---] No usable GPUs found
29-Apr-2012 13:53:59 [SETI@home] URL http://setiathome.berkeley.edu/; Computer ID 6636902; resource share 100
29-Apr-2012 13:53:59 [SETI@home] General prefs: from SETI@home (last modified 22-Mar-2012 14:57:23)
29-Apr-2012 13:53:59 [SETI@home] Host location: none
29-Apr-2012 13:53:59 [SETI@home] General prefs: using your defaults
29-Apr-2012 13:53:59 [---] Reading preferences override file
29-Apr-2012 13:53:59 [---] Preferences:
29-Apr-2012 13:53:59 [---] max memory usage when active: 5289.40MB
29-Apr-2012 13:53:59 [---] max memory usage when idle: 8014.24MB
29-Apr-2012 13:53:59 [---] max disk usage: 10.00GB
29-Apr-2012 13:53:59 [---] don't use GPU while active
29-Apr-2012 13:53:59 [---] suspend work if non-BOINC CPU load exceeds 25 %
29-Apr-2012 13:53:59 [---] (to change preferences, visit the web site of an attached project, or select Preferences in the Manager)
29-Apr-2012 13:53:59 [---] Not using a proxy
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Message 1224973 - Posted: 29 Apr 2012, 18:01:59 UTC
Last modified: 29 Apr 2012, 18:03:42 UTC

Sun 29 Apr 2012 00:29:19 CEST | | No config file found - using defaults
Sun 29 Apr 2012 00:29:19 CEST | | Starting BOINC client version 7.0.26 for x86_64-pc-linux-gnu
Sun 29 Apr 2012 00:29:19 CEST | | log flags: file_xfer, sched_ops, task
Sun 29 Apr 2012 00:29:19 CEST | | Libraries: libcurl/7.22.0 OpenSSL/1.0.1 zlib/1.2.3.4 libidn/1.23 librtmp/2.3
Sun 29 Apr 2012 00:29:19 CEST | | Data directory: /home/john/BOINC
Sun 29 Apr 2012 00:29:19 CEST | | Processor: 4 GenuineIntel Intel(R) Core(TM) i3-2100 CPU @ 3.10GHz [Family 6 Model 42 Stepping 7]
Sun 29 Apr 2012 00:29:19 CEST | | Processor: 3.00 MB cache
Sun 29 Apr 2012 00:29:19 CEST | | Processor features: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx rdtscp lm constant_tsc arch_perfmon pebs bts rep_good nopl xtopology nonstop_tsc aperfmperf pni pclmulqdq dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm pcid sse4_1 sse4_2 popcnt tsc_deadline_timer xsave avx lahf_lm arat epb xsaveopt pln pts dts tpr_shadow vnmi flexpriority ept vpid
Sun 29 Apr 2012 00:29:19 CEST | | OS: Linux: 3.2.0-24-generic
Sun 29 Apr 2012 00:29:19 CEST | | Memory: 3.84 GB physical, 3.98 GB virtual
Sun 29 Apr 2012 00:29:19 CEST | | Disk: 133.68 GB total, 120.95 GB free
Sun 29 Apr 2012 00:29:19 CEST | | Local time is UTC +2 hours
Sun 29 Apr 2012 00:29:19 CEST | | NVIDIA GPU 0: GeForce GTX 260 (driver version unknown, CUDA version 4.20, compute capability 1.3, 134215424MB, 134215223MB available, 622 GFLOPS peak)
Sun 29 Apr 2012 00:29:19 CEST | | OpenCL: NVIDIA GPU 0: GeForce GTX 260 (driver version 295.40, device version OpenCL 1.0 CUDA, 1792MB, 134215223MB available)
Sun 29 Apr 2012 00:29:19 CEST | SETI@home | Found app_info.xml; using anonymous platform
Sun 29 Apr 2012 00:29:19 CEST | SETI@home | URL http://setiathome.berkeley.edu/; Computer ID 6636133; resource share 100
Sun 29 Apr 2012 00:29:19 CEST | | General prefs: from http://milkyway.cs.rpi.edu/milkyway/ (last modified 29-Sep-2011 14:12:31)
Sun 29 Apr 2012 00:29:19 CEST | | Host location: none
Sun 29 Apr 2012 00:29:19 CEST | | General prefs: using your defaults

One difference may be that I tried updating Ubuntu from 11.10 > 12.04 but the install got stuck, I had to reset and then Ubuntu wouldn't load. I then did a fresh install of 12.04 so there's nothing left from 11.10.

btw why does BOINC report my GPU having 134215223MB of RAM??

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Message 1224975 - Posted: 29 Apr 2012, 18:02:34 UTC

Why is your data directory in /home/administrator, normally it should be /var/lib/boinc/.

Might want to try a full uninstall and reinstall.
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Message 1224976 - Posted: 29 Apr 2012, 18:05:45 UTC
Last modified: 29 Apr 2012, 18:13:12 UTC

My install is also a clean full install of 12.04, nothing left of previous bits.



And I've uninstalled, purged, and installed this several times. Perhaps there is a way I can change the data directory manually? I also see the other user posting with me has his data in his user directory, not the one you mentioned
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Message 1224977 - Posted: 29 Apr 2012, 18:08:02 UTC

/var/lib/boinc/ should be the data directory when you install from the repository.

John's is different because he downloaded from BOINC and installed it to his home directory.
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Message 1224979 - Posted: 29 Apr 2012, 18:10:08 UTC

Hmm. Well it's from a ppa repository, installed by APT. perhaps the version in the PPA repo has an error in where it's putting data?

Is there any way to change this manually? Or perhaps SUing to root before the install from the ppa repo?
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Message 1224982 - Posted: 29 Apr 2012, 18:15:48 UTC
Last modified: 29 Apr 2012, 18:16:49 UTC

one more note, why does my readout have a "virtualbox" version line, and John's does not?.... WTH?

(I do have virtualbox installed but what does that have to do with running boinc.)
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