Hi Woody, On Mon, Dec 10, 2012 at 11:54 AM, Woody Wu <narkewoody@xxxxxxxxx> wrote: > Hi, list > > I found some io memory information is lost from /dev/iomem and want to > find out why. > > I have a 2.6.16 kernel running on a ARM board (Samsung S3C2410). From > the kernel log, I see 16 8250 serial ports were detected, and each of > thoese ports has a memory address: [Snip] > You see, there is no serial8250 informations. > > Can anyone here please tell me how this can happen? Does it mean the > serial8250 driver don't populate or register in the /proc/iomem? > Can you look at the o/p of /proc/ioports and see if the entry is present here. Regards, --Prabhakar Lad > > -- > woody > I can't go back to yesterday - because I was a different person then. > > > _______________________________________________ > Kernelnewbies mailing list > Kernelnewbies@xxxxxxxxxxxxxxxxx > http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies _______________________________________________ Kernelnewbies mailing list Kernelnewbies@xxxxxxxxxxxxxxxxx http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies