Strange messages from Boinc CC, people need help

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Profile Thierry Van Driessche
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Message 49050 - Posted: 24 Nov 2004, 14:23:26 UTC
Last modified: 24 Nov 2004, 14:28:47 UTC

Following messages comes up, apparently only with Boinc 4.13, with people having problems of hanging of Boinc or when having connection problems:

"Can't set up shared mem: -1"

and

"Can't acquire lockfile - exiting".

Does anyone know what kind of problem this is, from where it comes and what to do to get rid of it ?

Thanks in advance for the help.
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Message 49052 - Posted: 24 Nov 2004, 14:34:00 UTC - in response to Message 49050.  

On which platform? Win? Linux? ...

> Following messages comes up, apparently only with Boinc 4.13, with people
> having problems of hanging of Boinc or when having connection problems:
>
> "Can't set up shared mem: -1"
>
> and
>
> "Can't acquire lockfile - exiting".
>
> Does anyone know what kind of problem this is, from where it comes and what to
> do to get rid of it ?
>
> Thanks in advance for the help.
>
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Profile Thierry Van Driessche
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Message 49054 - Posted: 24 Nov 2004, 14:38:26 UTC - in response to Message 49052.  

> On which platform? Win? Linux? ...

It is on Win platform.
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Message 49061 - Posted: 24 Nov 2004, 15:27:46 UTC - in response to Message 49054.  

> > On which platform? Win? Linux? ...
>
> It is on Win platform.
>
Have you checked the disk space? I've seen this problem before and found the hard disk was full! Hope this helps.
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Profile Thierry Van Driessche
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Message 49072 - Posted: 24 Nov 2004, 17:19:16 UTC - in response to Message 49061.  

> Have you checked the disk space? I've seen this problem before and found the
> hard disk was full! Hope this helps.

I cann't tell you.

There a questions coming up in the Help Desk about problems of hanging of the Boinc CC and problems of connection.

If looking to the results of some of the WU's of people having these problems, I see these kind of messages in the "stderr out" file of the WU's that are returned.

Any help appreciated here as I don't have any clue idea from where these problems are coming.
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Message 49074 - Posted: 24 Nov 2004, 17:36:20 UTC

> "Can't acquire lockfile - exiting".

I believe this means that there is already another instance of BOINC running or that perhaps something went wrong and the last instance of it crashed but left the lockfile in place. If you are SURE that there is no other instance of BOINC running, you can just delete the lockfile - aptly named "lockfile" - in the BOINC installation directory.

Not sure about the shared memory message although it sounds like something that could happen due to the same circumstances (another instance already running).
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Message 49086 - Posted: 24 Nov 2004, 18:28:47 UTC - in response to Message 49074.  
Last modified: 24 Nov 2004, 18:29:28 UTC

> I believe this means that there is already another instance of BOINC running
> or that perhaps something went wrong and the last instance of it crashed but
> left the lockfile in place. If you are SURE that there is no other instance
> of BOINC running, you can just delete the lockfile - aptly named "lockfile" -
> in the BOINC installation directory.
>
> Not sure about the shared memory message although it sounds like something
> that could happen due to the same circumstances (another instance already
> running).

From what I can see is that the lockfile is in use when Boinc GUI is running.

Once the GUI of Boinc is stopped, the lockfile is not in use anymore.

If the lockfile is deleted after Boinc is stopped and when starting the GUI again, Boinc creates automatically a new lockfile.

Do you agree with these points ?
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Message 77911 - Posted: 9 Feb 2005, 23:41:13 UTC - in response to Message 49074.  
Last modified: 10 Feb 2005, 0:14:36 UTC

> > "Can't acquire lockfile - exiting".
>
> I believe this means that there is already another instance of BOINC running
> or that perhaps something went wrong and the last instance of it crashed but
> left the lockfile in place. If you are SURE that there is no other instance
> of BOINC running, you can just delete the lockfile - aptly named "lockfile" -
> in the BOINC installation directory.
>
Was receiving "Another instance of BOINC is running" message but it wasn't. Thankfully Ned mentioned "top" last night when he helped me get started. :)
After much searching renaming the lockfile cured my problem, thanks Toby. Must remember to close down BOINC gracefully in future.

So much to relearn, this Linux stuff is hard.

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Message boards : Number crunching : Strange messages from Boinc CC, people need help


 
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