On Wed, May 27, 2015 at 02:45:47PM +0200, Jiří Prchal wrote: > Hi, > > I've tried n_gsm to get up working. Is this in working condition? Trying kernel 4.1-rc5. > > I made program as example in Documentation/serial/n_gsm.txt. Nodes are made > by mdev (too many 0 - 63). Or if I disable mdev then I made by program 4 > nodes. Up to here looks everything OK. Is the n_gsm line discipline set to be attached to those device nodes? > When I try to open node by my program or by microcom it return with this > error: microcom: can't open '/dev/gsmtty1': Level 2 halted. Sounds like you didn't bind the line discipline properly, what program that you ran did that? You have to do that before you can open the device nodes. thanks, greg k-h -- To unsubscribe from this list: send the line "unsubscribe linux-serial" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
