Experimental Physics and
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I can also see the faulty behaviour against a Linux 3.14.9 IOC. Including the statistical behaviour that Steven was reporting. Some of the caget calls get the unexpected "no read", others don't. On the same Linux host, caget fails about 20%. Cross to vxWorks mv2100 IOC, caget fails 100%. Camonitor works all the time, against all type IOCs. Rebuilding Base 3.14.9 with the as subdirectory from 3.14.8.2 does not change the faulty behaviour at all. The as parser cleanup things got away. More observations from Steven: I already have optimization turned off for the cross compiler (have been bit by that on VxWorks before) but have host optimization on. I tried turning off host optimization and recompiling caget on linux, but the problem remained. Now, I just rebuilt all of base on linux with HOST_OPT=NO. Even stranger. Using optimized build on linux, caget failed with an unexpected read access error 19 out of 20 times just tested. Using non-optimized build on linux, caget failed 2 out of 20 times! Houston, we have a problem. Ralph
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ANJ, 10 Nov 2011 |
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