Message boards : Number crunching : Error in request message: fgets() failed
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Send message Joined: 5 Aug 04 Posts: 1120 Credit: 17,202,915 RAC: 2,154 |
One of my machines has been getting this kind of thing for a long time (but not forever). Is this a problem at my end, or one with the server? My other machne is getting climate prediction tasks as needed. 07-Oct-2011 14:36:03 [climateprediction.net] Sending scheduler request: To fetch work. Requesting 58849 seconds of work, reporting 0 completed tasks 07-Oct-2011 14:36:08 [climateprediction.net] Scheduler request succeeded: got 0 new tasks 07-Oct-2011 14:36:08 [climateprediction.net] Message from server: Error in request message: fgets() failed |
Send message Joined: 5 Sep 04 Posts: 7629 Credit: 24,240,330 RAC: 0 |
It's a project problem, that's been described in two posts in the News and Announcements thread. Please subscribe to that thread so that you get an email each time we have something important to tell people. It's also being talked about in this thread labelled Upload Failure, which is immediately before yours. PS Please fix the problem with your 2 computers, which is causing most downloaded data sets to crash before they even start. It's either the correct version of GLIBC missing from your brand of Linux, (which is what is in the stderr files of your failed models), or your computer(s) don't have SSE2 capabilities, which is now required for our climate models. Backups: Here |
Send message Joined: 7 Aug 04 Posts: 2187 Credit: 64,822,615 RAC: 5,275 |
Per Les's message. The stickies in the Linux forum here address the problems with both your computers. The old Pentium3 can only run FAMOUS, which has no work now. The newer PC is running RHEL/CentOS5 which doesn't have new enough versions of libstdc++.so.6 for hadam3p. You can set your preferences to only download hadcm3n for that PC. |
Send message Joined: 15 May 09 Posts: 4540 Credit: 19,011,472 RAC: 21,368 |
It is possible to download and install an up to date version of libstdc++.so.6 by going to an rpm distribution that has one such as Mandriva or you could extract a tarball and replace the one you have. Dave |
Send message Joined: 5 Aug 04 Posts: 1120 Credit: 17,202,915 RAC: 2,154 |
Yes, one machine has dual pentium III processors; the other has dual 3.06GHz Xeons. The old one uses glibc-2.3.4-2.43.el4_8.3 (CentOS4); the new one uses glibc-2.5-65 (RHEL-5) So that accounts for the troubles. I guess the easiest thing would be to disconnect that machine from ClimatePrediction, at least until I find the time to upgrade it to CentOS 5. I do not think the old machine will support CentOS 6 since it has only 512Megabytes RAM. The new machine has 8 GBytes. |
Send message Joined: 5 Aug 04 Posts: 1120 Credit: 17,202,915 RAC: 2,154 |
"The newer PC is running RHEL/CentOS5 which doesn't have new enough versions of libstdc++.so.6 for hadam3p. You can set your preferences to only download hadcm3n for that PC." What version does it need? I have Jul 21 06:32 /usr/lib/libstdc++.so.6 -> libstdc++.so.6.0.8 Apr 7 2011 /usr/lib/libstdc++.so.6.0.8 [/quote] |
Send message Joined: 15 May 09 Posts: 4540 Credit: 19,011,472 RAC: 21,368 |
Not sure which version it needs but I have libstdc++.so.6.0.13 and that works fine. You could find the rpm for it in Mandriva and other repositories and install it. Dave |
Send message Joined: 7 Aug 04 Posts: 2187 Credit: 64,822,615 RAC: 5,275 |
This is what I posted to the Beta 6.08 thread on this back in January: As indicated earlier, this app doesn't like CentOS/RHEL 5.5. It appears to be a problem that those OS's have a version of libstdc++.so.6 that does not contain GLIBCXX_3.4.9. The version with those OS's is compatible with GLIBCXX_3.4.8 and before. Looking around on the net, there doesn't appear to be any reasonable workaround for this. This is discussed somewhat here with a possible solution using rpms from Fedora 10, maybe. |
Send message Joined: 7 Aug 04 Posts: 2187 Credit: 64,822,615 RAC: 5,275 |
Yes, one machine has dual pentium III processors; the other has dual 3.06GHz Xeons. The old one uses glibc-2.3.4-2.43.el4_8.3 (CentOS4); the new one uses glibc-2.5-65 (RHEL-5) The old machine can run neither hadcm3n nor hadam3p because it does not have SSE2 capabilities. The only model that may be released that can run on that PC is FAMOUS, and there are no task available for that. |
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