Re: [ccp4bb] Coot crashes on CentOS 7.9

2021-04-23 Thread Karthikeyan Subramanian
Dear Kay, Thanks for the reply. Some information regarding our system are as follows: >your processor came out in 2008, and it seems that Paul Emsley used compiler options that require newer capabilities than this processor has, likely in an attempt to speed up coot. Wikipedia says that AVX

Re: [ccp4bb] Coot crashes on CentOS 7.9

2021-04-22 Thread Kay Diederichs
Dear Karthik, your processor came out in 2008, and it seems that Paul Emsley used compiler options that require newer capabilities than this processor has, likely in an attempt to speed up coot. Wikipedia says that AVX came out in 2011 and AVX2 in 2013, so your processor supports neither

Re: [ccp4bb] Coot crashes on CentOS 7.9

2021-04-22 Thread Karthikeyan Subramanian
Dear Kay, Thanks for the suggestions. The model name for the computer is "Intel(R) Xeon(R) CPU E5440  @ 2.83GHz". As suggested, I downloaded and installed the latest ccp4 (7.1) which bundles with coot 0.9.5. The coot works just fine with the latest ccp4 bundle. I used the graphic driver

Re: [ccp4bb] Coot crashes on CentOS 7.9

2021-04-22 Thread Kay Diederichs
Dear Karthikeyan Subramanian, which processor does your computer have? Look at the output of e.g. "head -20 /proc/cpuinfo". What is "model name"? To my understanding, the main problem is > >*./coot: line 264:  5365 Illegal instruction (core dumped) $coot_bin This means that the compiler,

[ccp4bb] Coot crashes on CentOS 7.9

2021-04-22 Thread Karthikeyan Subramanian
Dear CCP4 members, I am trying to install the coot-Linux-x86_64-scientific-linux-7.6-gtk2-python on CentOS 7.9 with Nvidia Quadro FX 4800 graphics card. Coot crashes soon after launching the window.  The log file is shown below. Not sure what is missing. The only error I can see is