No idea at all. It happens randomly. I have noticed it since June 2012 when I first started using the Macintosh. This is the first time I saw it with R-3.2.3 so I decided to report it again.
My guess is that it is deep in the Macintosh device driver software. Rich On Thu, Dec 17, 2015 at 4:23 PM, Erich Neuwirth <[email protected]> wrote: > Do you have any idea under what circumstances this happens. > > >> On Dec 17, 2015, at 21:44, Richard M. Heiberger <[email protected]> wrote: >> >> This has been reported before. I am still seeing it with R-3.2.3. >> It appears randomly. It sounds scary. >> >> Rich >> >>> >> Dec 17 15:14:01 rmhs-MacBook-Air.local R[3534] <Error>: >> CGContextSetFont: invalid context 0x7fb698259080. This is a serious >> error. This application, or a library it uses, is using an invalid >> context and is thereby contributing to an overall degradation of >> system stability and reliability. This notice is a courtesy: please >> fix this problem. It will become a fatal error in an upcoming update. >> Dec 17 15:14:01 rmhs-MacBook-Air.local R[3534] <Error>: >> CGContextSetFontSize: invalid context 0x7fb698259080. This is a >> serious error. This application, or a library it uses, is using an >> invalid context and is thereby contributing to an overall degradation >> of system stability and reliability. This notice is a courtesy: please >> fix this problem. It will become a fatal error in an upcoming update. >> Dec 17 15:14:01 rmhs-MacBook-Air.local R[3534] <Error>: >> CGContextGetFont: invalid context 0x7fb698259080. This is a serious >> error. This application, or a library it uses, is using an invalid >> context and is thereby contributing to an overall degradation of >> system stability and reliability. This notice is a courtesy: please >> fix this problem. It will become a fatal error in an upcoming update. >> p >> >> _______________________________________________ >> R-SIG-Mac mailing list >> [email protected] >> https://stat.ethz.ch/mailman/listinfo/r-sig-mac > _______________________________________________ R-SIG-Mac mailing list [email protected] https://stat.ethz.ch/mailman/listinfo/r-sig-mac
