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[Bug 598085] Can't set baud rate to 128000 on /dev/ttyUSB0 cp210x device
  • From: bugzilla_noreply@xxxxxxxxxx
  • Date: Mon, 26 Apr 2010 11:37:44 +0000
  • Message-id: <20100426113744.1E79DCC7CE@xxxxxxxxxxxxxxxxxxxxxx>
http://bugzilla.novell.com/show_bug.cgi?id=598085

http://bugzilla.novell.com/show_bug.cgi?id=598085#c19


--- Comment #19 from Steve Ricketts <velocedge@xxxxxxxxxxx> 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

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