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Message 24746 - Posted: 31 Aug 2012, 7:11:56 UTC

Hi there,
Look at the error messages I receive at the end of the log:
[...]
31/08/2012 08:53:34 | | log flags: file_xfer, sched_ops, task, cpu_sched, cpu_sched_status
31/08/2012 08:53:34 | | Libraries: libcurl/7.25.0 OpenSSL/1.0.1 zlib/1.2.6
31/08/2012 08:53:34 | | Processor: 2 GenuineIntel Intel(R) Core(TM)2 CPU 6420 @ 2.13GHz [Family 6 Model 15 Stepping 6]
31/08/2012 08:53:34 | | Processor: 4.00 MB cache
31/08/2012 08:53:34 | | 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 htt tm pni ssse3 cx16 nx lm vmx tm2 pbe
31/08/2012 08:53:34 | | OS: Microsoft Windows XP: Professional x86 Edition, Service Pack 3, (05.01.2600.00)
31/08/2012 08:53:34 | | Memory: 2.00 GB physical, 9.66 GB virtual
31/08/2012 08:53:34 | | Disk: 214.21 GB total, 161.28 GB free
31/08/2012 08:53:34 | | Local time is UTC +2 hours
31/08/2012 08:53:34 | | No usable GPUs found
31/08/2012 08:53:34 | SETI@home | Found app_info.xml; using anonymous platform
31/08/2012 08:53:34 | | Config: don't compute while Defraggler.exe is running
31/08/2012 08:53:34 | LHC@home 1.0 | URL http://lhcathomeclassic.cern.ch/sixtrack/; Computer ID 9992610; resource share 100
31/08/2012 08:53:34 | SETI@home | URL http://setiathome.berkeley.edu/; Computer ID 5150187; resource share 100
31/08/2012 08:53:34 | SETI@home | General prefs: from SETI@home (last modified 24-Jul-2012 14:02:50)
31/08/2012 08:53:34 | SETI@home | Computer location: home
31/08/2012 08:53:34 | | General prefs: using separate prefs for home
31/08/2012 08:53:34 | | Reading preferences override file
31/08/2012 08:53:34 | | Preferences:
31/08/2012 08:53:34 | | max memory usage when active: 1228.39MB
31/08/2012 08:53:34 | | max memory usage when idle: 1944.95MB
31/08/2012 08:53:34 | | max disk usage: 100.00GB
31/08/2012 08:53:34 | | (to change preferences, visit the web site of an attached project, or select Preferences in the Manager)
31/08/2012 08:53:34 | | Not using a proxy
[...]
31/08/2012 08:55:13 | LHC@home 1.0 | update requested by user
31/08/2012 08:55:16 | LHC@home 1.0 | Sending scheduler request: Requested by user.
31/08/2012 08:55:16 | LHC@home 1.0 | Reporting 6 completed tasks
31/08/2012 08:55:16 | LHC@home 1.0 | Requesting new tasks for CPU
31/08/2012 08:55:19 | LHC@home 1.0 | Scheduler request completed: got 6 new tasks
31/08/2012 08:55:21 | LHC@home 1.0 | Started download of sixtrack_windows_sse3
31/08/2012 08:55:21 | LHC@home 1.0 | Started download of wlxt48_ncebb1d__19__s__64.31_59.32__6.8_7__6__16_1_sixvf_boinc33302.zip
31/08/2012 08:55:23 | LHC@home 1.0 | Finished download of wlxt48_ncebb1d__19__s__64.31_59.32__6.8_7__6__16_1_sixvf_boinc33302.zip
31/08/2012 08:55:23 | LHC@home 1.0 | Started download of wlxt48_ncebb1d__19__s__64.31_59.32__6.8_7__6__2_1_sixvf_boinc33288.zip
31/08/2012 08:55:24 | LHC@home 1.0 | Finished download of sixtrack_windows_sse3
31/08/2012 08:55:24 | LHC@home 1.0 | Finished download of wlxt48_ncebb1d__19__s__64.31_59.32__6.8_7__6__2_1_sixvf_boinc33288.zip
31/08/2012 08:55:24 | LHC@home 1.0 | Started download of wlxt48_ncebb1d__19__s__64.31_59.32__6.4_6.6__6__29_1_sixvf_boinc33137.zip
31/08/2012 08:55:24 | LHC@home 1.0 | Started download of wlxt48_ncebb1d__19__s__64.31_59.32__6.2_6.4__6__41_1_sixvf_boinc33060.zip
31/08/2012 08:55:24 | LHC@home 1.0 | [error] Unable to verify sixtrack_windows_sse3 using certificates
31/08/2012 08:55:24 | LHC@home 1.0 | [error] Checksum or signature error for sixtrack_windows_sse3

What should be done ?
Lurker
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Eric Mcintosh
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Message 24747 - Posted: 31 Aug 2012, 8:30:33 UTC - in response to Message 24746.  

First time I/we have seen this. We shall see if there are other reports.
Hopefully you will keep trying as well and we shall get more evidence.
Prima facie it looks genuine problem with download of executable.
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Message 24748 - Posted: 31 Aug 2012, 8:35:17 UTC - in response to Message 24747.  

First time I/we have seen this. We shall see if there are other reports.
Hopefully you will keep trying as well and we shall get more evidence.
Prima facie it looks genuine problem with download of executable.

Might be helpful to post bytecount / MD5 of the executable, then Lurker could compare with whatever landed on his machine.
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Message 24750 - Posted: 31 Aug 2012, 9:57:58 UTC - in response to Message 24747.  

Attaching/detaching the project did not solve the problem...
With my others computers LHC wus work fine:
ID 98802291 Intel Core(TM) i7 8 cpus Vista 64b (also run T4T in VM mode)
ID 99266684 Intel Atom (TM) 4 cpus Windows 7
ID 9964986 Intel Core (TM) 2 cpus Vista 32b
The problem is with ID 9992610 Intel Core (TM) 2 cpus XP Prof 32b
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Message 24751 - Posted: 31 Aug 2012, 10:12:59 UTC - in response to Message 24748.  

wilco as soon as I reach the office. Is MD5 the checksum?)
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Message 24752 - Posted: 31 Aug 2012, 10:25:37 UTC - in response to Message 24751.  

wilco as soon as I reach the office. Is MD5 the checksum?)

Yes, but...

BOINC uses an MD5 checksum for data files - you can pick lines like

    <md5_cksum>2e156a9cbd4b96c3d41881eecce3bd33</md5_cksum>

out of client_state.xml

In the past, I've used freely available MD5 tools to test for data file errors.

For executable files, BOINC uses a certificated <file_signature> instead - we'd have to do a manual check at each end for this idea to work.
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Message 24774 - Posted: 3 Sep 2012, 14:09:30 UTC

Sorry, forgot to come back on this one.

Both sixtrack_windows_sse3 and sixtrack_windows_pni are 3,031,040 bytes on my system, and their MD5 (same for both) is

DB0A0D1F8F83A195A29C56947B7A018A

I used ChaosMD5 (http://www.elgorithms.com/downloads/chaosmd5.php) to generate that checksum - it gives the same value as BOINC does for datafiles (although BOINC insists that it should be expressed in lowercase). Some of the other free MD5 generators don't.
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Message 24780 - Posted: 4 Sep 2012, 9:32:27 UTC - in response to Message 24774.  

Thanks Richard but I've the same file sizes and MD5!!!
Don't know what's wrong :-(
So still chasing the bug...
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Message 24782 - Posted: 4 Sep 2012, 15:19:22 UTC - in response to Message 24780.  

Thanks for all your help with this (byte count and MD5).
I can't help with the security but I am passng to the
experts. Eric.
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Profile Igor Zacharov
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Message 24783 - Posted: 4 Sep 2012, 20:19:10 UTC - in response to Message 24780.  

Lurker,

You may want to restart the boinc client on that machine.

Igor.
skype id: igor-zacharov
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Message 24818 - Posted: 11 Sep 2012, 8:50:25 UTC - in response to Message 24783.  

Clear up the mess!
I removed all Boinc stuff (programs, apps...), washed the win registery.
Then stop my firewall, download Boinc back again, re-connect to my account manager
and guess what ? 6T (pni wus) from LHC work fine again!
Now back to crunch hard ;-)
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