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Einstein: Linux vs Windows
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Nightlord
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Joined: 23 Jul 2007
Posts: 420
Location: beside The Tumtum tree in the tulgey wood

PostPosted: Tue May 06, 2008 10:00 pm    Post subject: Reply with quote

Quote:
Oh dear. Any idea what?


hmmm, the obvious things are other processes. Open a command prompt and run top. It should tell you there are two WU's running consuming pretty much all your CPU resource. Anything else substantial is bad.

The other thing is to look into why so many WU errors. I looked at one or two that you had on that box and found error code 255, but couldn't find a real world meaning for that. Strange it should suddenly start working though. Is this a 64 bit ubuntu distro or 32bit.....if 64bit, do you ia32libs installed?

Maybe try Fedora and see if that makes a difference. Also, is the Boinc client pre-installed on Ububtu8? Maybe try a clean install by downloading from Berkeley?

Quote:
And to make it worse I can't get Ubuntu to install on the Q6600. It doesn't seem able to find the hard drive


Sounds like drivers. Is it a Sata Drive? I recall problems with 7.04 recognising a Sata drive here once. Sorry, can't recall the work around - time for a Fedora download?
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Nightlord
Boinc Admiral


Joined: 23 Jul 2007
Posts: 420
Location: beside The Tumtum tree in the tulgey wood

PostPosted: Tue May 06, 2008 10:20 pm    Post subject: Reply with quote

Aha....just found this thread on the Einstein boards:

http://einstein.phys.uwm.edu//forum_thread.php?id=6609&sort=6

Looks like Ubuntu/Kubuntu might be throttling your CPU. Maybe try the fix they suggest or switch to another distro.
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Megacruncher
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Joined: 29 May 2006
Posts: 3266
Location: Edinburgh, Scotland

PostPosted: Tue May 06, 2008 11:41 pm    Post subject: Reply with quote

Could be, although I've got all that "cool n quiet" nonsense disabled at Bios level.

Anyhoo the 6000+ is going to be retired as soon as it's finished its current windows and linux workload. The weather is getting hotter and it's up to 30degC in the Boinc greenhouse already. I'll sell the 6000+ and maybe one of the E6600s (The 4 quads and the phenome, Jo's E6600 (overdue an upgrade methinks) and the 2 laptops will just have to do over summer Smile )

A bigger worry is not being able to install Linux on the Q6600. I'll try Fedora & see if that works.
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Megacruncher
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Joined: 29 May 2006
Posts: 3266
Location: Edinburgh, Scotland

PostPosted: Mon May 12, 2008 10:32 pm    Post subject: Reply with quote

Nope, Fedora didn't work. Like Ubuntu it couldn't find the hard disk to install it on. Strange. Confused Oh well it's not as if Einstein really needs extra help from me to keep afloat. Smile
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ianmbaker2
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Joined: 29 Dec 2007
Posts: 72
Location: South Lanarkshire

PostPosted: Tue May 13, 2008 8:07 pm    Post subject: Reply with quote

Hi,
It sounds like it may be a SATA drive not being rcognised when the controller goes into native mode. Have you tried (is there a setting on your BIOS) setting it to legacy mode in the BIOS. It may not run as quickly without the SATA native advantages, but should allow you to install it.
There is a similar problem installing windows when the SATA controller is in native (AHCI) mode. It will boot off the CD, look like it is going to install, then quit with a 7B blue screen error.

Hope this is useful.

Ian
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Megacruncher
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Joined: 29 May 2006
Posts: 3266
Location: Edinburgh, Scotland

PostPosted: Tue May 13, 2008 11:33 pm    Post subject: Reply with quote

Thanks, I'll have a look tomorrow. I didn't have any problem installing vista on this machine with the SATA drives but oddly enough it couldn't find IDE ones (which the BIOS reported accurately). Confused
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