We have a GPS receiver connected to COM2/ttyAM1 on the TS-7260. It works on
2.26.21, but not on 2.6.29. It's settings are 4800 8N1, and stty gives 'the
same' flags. Appears to work ok with minicom, but we cannot write to the GPS
receiver on 2.6.29, and we get "ttyAM1: input overrun" during prolonged use
reading NMEA strings from it. It's fine on 2.6.21.
The 2.6.29 build inserts 8250, with the amba pl010 driver built-in to the
kernel (kernel made from scratch with mcrapets' patches), the 2.6.21 build is
the stock one from TS. Very odd as ttyAM0 has no overruns, and its baud rate
is 115200. ttyAM0 has IRQ 52, while ttyAM1 has IRQ 54. Anyone have a clue?
Thanks!
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