http://bugzilla.novell.com/show_bug.cgi?id=598085 http://bugzilla.novell.com/show_bug.cgi?id=598085#c1 Jeff Mahoney changed: What |Removed |Added ---------------------------------------------------------------------------- Status|NEW |NEEDINFO CC| |jeffm@novell.com InfoProvider| |velocedge@hotmail.com --- Comment #1 from Jeff Mahoney 2010-04-20 21:13:46 UTC --- Can you rmmod and then re-modprobe the driver with the debug=1 parameter? If the driver itself is denying the baud rate (it shouldn't AFICS), it should announce it in the log. -- Configure bugmail: http://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.

http://bugzilla.novell.com/show_bug.cgi?id=598085 http://bugzilla.novell.com/show_bug.cgi?id=598085#c3 --- Comment #3 from Steve Ricketts 2010-04-21 10:53:11 UTC --- Here's the output from 2.6.31.12, same commands Apr 21 06:10:27 linux-nsxk kernel: [ 112.431375] usbcore: deregistering interface driver cp210x Apr 21 06:10:27 linux-nsxk kernel: [ 112.431638] cp210x ttyUSB0: cp210x converter now disconnected from ttyUSB0 Apr 21 06:10:27 linux-nsxk kernel: [ 112.431700] cp210x 4-1:1.0: device disconnected Apr 21 06:10:27 linux-nsxk kernel: [ 112.431960] USB Serial deregistering driver cp210x Apr 21 06:10:35 linux-nsxk kernel: [ 121.108184] USB Serial support registered for cp210x Apr 21 06:10:35 linux-nsxk kernel: [ 121.108226] cp210x 4-1:1.0: cp210x converter detected Apr 21 06:10:36 linux-nsxk kernel: [ 121.210139] usb 4-1: reset full speed USB device using uhci_hcd and address 2 Apr 21 06:10:36 linux-nsxk kernel: [ 121.346540] usb 4-1: cp210x converter now attached to ttyUSB0 Apr 21 06:10:36 linux-nsxk kernel: [ 121.346620] usbcore: registered new interface driver cp210x Apr 21 06:10:36 linux-nsxk kernel: [ 121.346631] cp210x: v0.09:Silicon Labs CP210x RS232 serial adaptor driver Apr 21 06:10:48 linux-nsxk kernel: [ 133.566720] /usr/src/packages/BUILD/kernel-desktop-2.6.31.12/linux-2.6.31/drivers/usb/serial/cp210x.c: cp210x_open - port 0 Apr 21 06:10:48 linux-nsxk kernel: [ 133.569641] /usr/src/packages/BUILD/kernel-desktop-2.6.31.12/linux-2.6.31/drivers/usb/serial/cp210x.c: cp210x_get_termios_port - port 0 Apr 21 06:10:48 linux-nsxk kernel: [ 133.570638] /usr/src/packages/BUILD/kernel-desktop-2.6.31.12/linux-2.6.31/drivers/usb/serial/cp210x.c: cp210x_get_termios_port - baud rate = 115200 Apr 21 06:10:48 linux-nsxk kernel: [ 133.571637] /usr/src/packages/BUILD/kernel-desktop-2.6.31.12/linux-2.6.31/drivers/usb/serial/cp210x.c: cp210x_get_termios_port - data bits = 8 Apr 21 06:10:48 linux-nsxk kernel: [ 133.571641] /usr/src/packages/BUILD/kernel-desktop-2.6.31.12/linux-2.6.31/drivers/usb/serial/cp210x.c: cp210x_get_termios_port - parity = NONE Apr 21 06:10:48 linux-nsxk kernel: [ 133.571645] /usr/src/packages/BUILD/kernel-desktop-2.6.31.12/linux-2.6.31/drivers/usb/serial/cp210x.c: cp210x_get_termios_port - stop bits = 1 Apr 21 06:10:48 linux-nsxk kernel: [ 133.572637] /usr/src/packages/BUILD/kernel-desktop-2.6.31.12/linux-2.6.31/drivers/usb/serial/cp210x.c: cp210x_get_termios_port - flow control = NONE Apr 21 06:10:48 linux-nsxk kernel: [ 133.572643] /usr/src/packages/BUILD/kernel-desktop-2.6.31.12/linux-2.6.31/drivers/usb/serial/cp210x.c: cp210x_tiocmset_port - port 0 Apr 21 06:10:48 linux-nsxk kernel: [ 133.572647] /usr/src/packages/BUILD/kernel-desktop-2.6.31.12/linux-2.6.31/drivers/usb/serial/cp210x.c: cp210x_tiocmset_port - control = 0x0303 Apr 21 06:10:48 linux-nsxk kernel: [ 133.574918] /usr/src/packages/BUILD/kernel-desktop-2.6.31.12/linux-2.6.31/drivers/usb/serial/cp210x.c: cp210x_close - port 0 Apr 21 06:10:48 linux-nsxk kernel: [ 133.574923] /usr/src/packages/BUILD/kernel-desktop-2.6.31.12/linux-2.6.31/drivers/usb/serial/cp210x.c: cp210x_close - shutting down urbs Apr 21 06:10:48 linux-nsxk kernel: [ 133.577638] /usr/src/packages/BUILD/kernel-desktop-2.6.31.12/linux-2.6.31/drivers/usb/serial/cp210x.c: cp210x_tiocmset_port - port 0 Apr 21 06:10:48 linux-nsxk kernel: [ 133.577643] /usr/src/packages/BUILD/kernel-desktop-2.6.31.12/linux-2.6.31/drivers/usb/serial/cp210x.c: cp210x_tiocmset_port - control = 0x0300 -- Configure bugmail: http://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.

http://bugzilla.novell.com/show_bug.cgi?id=598085 http://bugzilla.novell.com/show_bug.cgi?id=598085#c5 Steve Ricketts changed: What |Removed |Added ---------------------------------------------------------------------------- Status|NEEDINFO |NEW InfoProvider|velocedge@hotmail.com | --- Comment #5 from Steve Ricketts 2010-04-21 15:14:45 UTC --- Sorry... forgot to reset the status. See above comments -- Configure bugmail: http://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.

http://bugzilla.novell.com/show_bug.cgi?id=598085 http://bugzilla.novell.com/show_bug.cgi?id=598085#c7 --- Comment #7 from Steve Ricketts 2010-04-21 16:46:46 UTC --- Don't know... I'll look for it and install it. sr -- Configure bugmail: http://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.

http://bugzilla.novell.com/show_bug.cgi?id=598085 http://bugzilla.novell.com/show_bug.cgi?id=598085#c9 --- Comment #9 from Steve Ricketts 2010-04-22 03:48:54 UTC --- Got minicom loaded and 128000 is not one of the options for baud rate. -- Configure bugmail: http://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.

http://bugzilla.novell.com/show_bug.cgi?id=598085 http://bugzilla.novell.com/show_bug.cgi?id=598085#c11 Greg Kroah-Hartman changed: What |Removed |Added ---------------------------------------------------------------------------- Status|NEW |NEEDINFO InfoProvider| |velocedge@hotmail.com --- Comment #11 from Greg Kroah-Hartman 2010-04-22 15:25:35 UTC --- Ah, yes, good catch, so this isn't a valid baud rate for any serial device on Linux, so you will have a hard time setting it :) So, try using a different baud rate? There's not much else we can do here that I can tell, can you? -- Configure bugmail: http://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.

http://bugzilla.novell.com/show_bug.cgi?id=598085 http://bugzilla.novell.com/show_bug.cgi?id=598085#c13 --- Comment #13 from Steve Ricketts 2010-04-23 21:27:08 UTC --- We're done?? -- Configure bugmail: http://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.

http://bugzilla.novell.com/show_bug.cgi?id=598085 http://bugzilla.novell.com/show_bug.cgi?id=598085#c15 Greg Kroah-Hartman changed: What |Removed |Added ---------------------------------------------------------------------------- Status|NEW |RESOLVED Resolution| |WONTFIX --- Comment #15 from Greg Kroah-Hartman 2010-04-23 23:37:23 UTC --- Ok, found it. The way this could be done is by using the TIOCSSERIAL ioctl on the device node. But, not all drivers support this interface, and the cp210x driver currently does not support it. I don't know if you could directly do this from Mono, do you? It could be added, if we knew how to support this in the device. At first glance, it's not a trivial addition, sorry. Try asking the author of the driver about this. There's not much more we can do here, sorry. -- Configure bugmail: http://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.

http://bugzilla.novell.com/show_bug.cgi?id=598085 http://bugzilla.novell.com/show_bug.cgi?id=598085#c17 --- Comment #17 from Greg Kroah-Hartman 2010-04-24 15:18:56 UTC --- (In reply to comment #16)

I guess I don't consider 128000 arbitrary... ;-) Seems like a major shortcoming of the kernel to limit baud rates to such a small number of rates when there are so many devices using other rates for very good reasons... like we are with the CP210x.

This is what POSIX defines, sorry, can't do much about that.

Basically, in Mono I'm setting comport.BaudRate = 128000; but in looking at the log, it's getting set to 9600 so something strange going on there.

I would file a bug with Mono to get that looked at first.

If I understand correctly, the driver is part of and ships with the 2.6 kernel (http://www.etheus.net/CP210x_Linux_Driver)... so when you say "it could be added", what exactly are you saying? Added to the kernel or added to the driver?

Added to the driver which is part of the kernel, which is where the driver lives that you are using here. -- Configure bugmail: http://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.

http://bugzilla.novell.com/show_bug.cgi?id=598085 http://bugzilla.novell.com/show_bug.cgi?id=598085#c19 --- Comment #19 from Steve Ricketts 2010-04-26 11:37:43 UTC --- I changed the device to /dev/ttyUSB0 and ran it. Here's the output... doesn't look promising. linux-nsxk:/usr/src/Utility # ./baud iflag = 00000001 oflag = 00000004 cflag = 00016262 lflag = 00005000 ispeed = 00010002 ispeed = 115200 ospeed = 00010002 ospeed = 115200 iflag = 00000001 oflag = 00000004 cflag = 00010002 lflag = 00005000 ispeed = 00010002 ispeed = 115200 ospeed = 00010002 ospeed = 115200 Odd thing is that I tried to run it again and it just hangs. The log just has a lot of the following: Apr 26 07:11:23 linux-nsxk kernel: [411426.503699] /usr/src/packages/BUILD/kernel-desktop-2.6.31.12/linux-2.6.31/drivers/usb/serial/cp210x.c: cp210x_tiocmset_port - control = 0x0303 Apr 26 07:11:23 linux-nsxk kernel: [411426.506695] /usr/src/packages/BUILD/kernel-desktop-2.6.31.12/linux-2.6.31/drivers/usb/serial/cp210x.c: cp210x_tiocmset_port - port 0 Apr 26 07:11:23 linux-nsxk kernel: [411426.506699] /usr/src/packages/BUILD/kernel-desktop-2.6.31.12/linux-2.6.31/drivers/usb/serial/cp210x.c: cp210x_tiocmset_port - control = 0x0303 Apr 26 07:11:23 linux-nsxk kernel: [411426.509694] /usr/src/packages/BUILD/kernel-desktop-2.6.31.12/linux-2.6.31/drivers/usb/serial/cp210x.c: cp210x_tiocmset_port - port 0 Apr 26 07:11:23 linux-nsxk kernel: [411426.509698] /usr/src/packages/BUILD/kernel-desktop-2.6.31.12/linux-2.6.31/drivers/usb/serial/cp210x.c: cp210x_tiocmset_port - control = 0x0303 Apr 26 07:11:23 linux-nsxk kernel: [411426.512695] /usr/src/packages/BUILD/kernel-desktop-2.6.31.12/linux-2.6.31/drivers/usb/serial/cp210x.c: cp210x_tiocmset_port - port 0 -- Configure bugmail: http://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.

http://bugzilla.novell.com/show_bug.cgi?id=598085 http://bugzilla.novell.com/show_bug.cgi?id=598085#c21 --- Comment #21 from Steve Ricketts 2010-04-26 13:53:10 UTC --- LOL... where are you and I'll send you a nonstandard device! ;-) Very strange, not seeing anything about "setting baud rate..." in the output of the program or the log. I set the rate to 9600 before running your program and... nothing. Here's the output of the program and I'll attach a file with the log entries. linux-nsxk:/usr/src/Utility # ./baud iflag = 00002400 oflag = 00000005 cflag = 00006275 lflag = 00105073 ispeed = 00000015 ispeed = 9600 ospeed = 00000015 ospeed = 9600 iflag = 00002400 oflag = 00000005 cflag = 00000015 lflag = 00105073 ispeed = 00000015 ispeed = 9600 ospeed = 00000015 ospeed = 9600 It's like it's ignoring the tio.c_ispeed = 128000; and tio.c_ospeed = 128000; completely. Odd it doesn't yell about a problem if it can't set the speeds. sr PS. If it would help, I'm serious about sending one of these receivers. ;-) -- Configure bugmail: http://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.

http://bugzilla.novell.com/show_bug.cgi?id=598085 http://bugzilla.novell.com/show_bug.cgi?id=598085#c23 --- Comment #23 from Jeff Mahoney 2010-04-26 20:34:52 UTC --- Well that's strange. Can you copy the code in baud.c that dumps the state and put it between the tcsetattr and tcgetattr call? It's doing something funky with changing the number of data bits instead of setting the baud rate and I'd like to see why. -- Configure bugmail: http://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.

http://bugzilla.novell.com/show_bug.cgi?id=598085 http://bugzilla.novell.com/show_bug.cgi?id=598085#c25 --- Comment #25 from Steve Ricketts 2010-04-26 21:25:46 UTC --- As long as you have ideas, I have fingers! ;-) Here's the output and it looks a little more interesting. linux-nsxk:/usr/src/Utility # ./baud before set iflag = 00002400 oflag = 00000005 cflag = 00006215 lflag = 00105073 ispeed = 00000015 ispeed = 9600 ospeed = 00000015 ospeed = 9600 after set iflag = 00002400 oflag = 00000005 cflag = 00010000 lflag = 00105073 ispeed = 00372000 cbaudex: 00010000 cbaudex: 00010000 ispeed = 128000 ospeed = 00372000 cbaudex: 00010000 cbaudex: 00010000 ospeed = 128000 after get iflag = 00002400 oflag = 00000005 cflag = 00000015 lflag = 00105073 ispeed = 00000015 ispeed = 9600 ospeed = 00000015 ospeed = 9600 linux-nsxk:/usr/src/Utility # ./baud before set iflag = 00002400 oflag = 00000005 cflag = 00006215 lflag = 00105073 ispeed = 00000015 ispeed = 9600 ospeed = 00000015 ospeed = 9600 after set iflag = 00002400 oflag = 00000005 cflag = 00010000 lflag = 00105073 ispeed = 00372000 cbaudex: 00010000 cbaudex: 00010000 ispeed = 128000 ospeed = 00372000 cbaudex: 00010000 cbaudex: 00010000 ospeed = 128000 after get iflag = 00002400 oflag = 00000005 cflag = 00000015 lflag = 00105073 ispeed = 00000015 ispeed = 9600 ospeed = 00000015 ospeed = 9600 -- Configure bugmail: http://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.