On 07/06/2012 12:08, Simon Marlow wrote: > I don't completely understand what is going wrong here, but it looks > like an interaction between the RTS's use of a timer signal and the > libsane library. You can make it work by turning off GHC's timer with > +RTS -V0. [..] > The signal has always been SIGVTALRM, as far as I can tell. Which is > confusing - if the signal had changed, I could understand that being the > cause of the difference in behaviour. Perhaps it is just that system > calls are being interrupted by the signal more often than they were > before, and libsane does not properly handle EINTR. I looked at the > strace output and can't see any use of a signal by libsane.
I see, thanks. I'll do some digging into libsane and see if I can work out more details. Cheers, Ganesh _______________________________________________ Glasgow-haskell-users mailing list Glasgow-haskell-users@haskell.org http://www.haskell.org/mailman/listinfo/glasgow-haskell-users