I had this exact problem years ago and it was due to COM1 and COM2 IRQ being revered on the card 3& 4 instead of 4 & 3 ( so the HW was opposite the driver as the old cards allowed you to change IRQ and someone got it wrong) and it would clear the data when noise came in or a poll was scheduled. Funny thing was it worked ok for months when a noisy cable was plugged into the Com2 ( and unattached at the other end) when the unused cable was unplugged COM1 stopped working.
Anyway the story is the OS doesn't know the HW config so you need to check the HW settings. Ben _______________________________________________ uClinux-dev mailing list uClinux-dev@uclinux.org http://mailman.uclinux.org/mailman/listinfo/uclinux-dev This message was resent by uclinux-dev@uclinux.org To unsubscribe see: http://mailman.uclinux.org/mailman/options/uclinux-dev
