Hi,
Hi, Fri, 12 Apr 2013, 9:43 +02:00 from Karsten Malcher <deb...@dct.mine.nu>:
Very strange.
As i have written i have an old mobile adapter with PL2303 H that's running
without no problem in Linux.
I suppose it's a genuine one :)
It seems so.
There are adapters with HL-340 chip (ID 1a86:7523), that are running without
problems in Linux too.
It's not a PL-2303 clone, but a different device; ch341 kernel module is used
for it.
Yes - but here the cheap china devices are working.
But often you don't know which chip you get when you buy an adapter.
By the way, have you tried to do the simple loopback test?
No - but now i tested it with 9600 baud.
The result is the same.
No input over RXD without any debug message.
Just connect Rx& Tx pins together, try to send something and check what's
received,
e. g. with help of some terminal application.
Here the debug output opening TTYUSB0:
[ 3476.251300]
/build/buildd-linux_3.2.23-1-amd64-zj7gxu/linux-3.2.23/drivers/usb/serial/pl2303.c:
pl2303_open - port 0
[ 3476.252276]
/build/buildd-linux_3.2.23-1-amd64-zj7gxu/linux-3.2.23/drivers/usb/serial/pl2303.c:
0x40:0x1:0x8:0x0 0
[ 3476.254283]
/build/buildd-linux_3.2.23-1-amd64-zj7gxu/linux-3.2.23/drivers/usb/serial/pl2303.c:
0x40:0x1:0x9:0x0 0
[ 3476.254295] /build/buildd-linux_3.2.23-1-amd64-zj7gxu/linux-3.2.23/drivers/usb/serial/pl2303.c: pl2303_set_termios -
port 0
[ 3476.256271] /build/buildd-linux_3.2.23-1-amd64-zj7gxu/linux-3.2.23/drivers/usb/serial/pl2303.c: 0xa1:0x21:0:0 7 - 80
25 0 0 0 0 8
[ 3476.256281] /build/buildd-linux_3.2.23-1-amd64-zj7gxu/linux-3.2.23/drivers/usb/serial/pl2303.c: pl2303_set_termios -
data bits = 8
[ 3476.256290] /build/buildd-linux_3.2.23-1-amd64-zj7gxu/linux-3.2.23/drivers/usb/serial/pl2303.c: pl2303_set_termios -
baud requested = 9600
[ 3476.256298] /build/buildd-linux_3.2.23-1-amd64-zj7gxu/linux-3.2.23/drivers/usb/serial/pl2303.c: pl2303_set_termios -
baud set = 9600
[ 3476.256306] /build/buildd-linux_3.2.23-1-amd64-zj7gxu/linux-3.2.23/drivers/usb/serial/pl2303.c: pl2303_set_termios -
stop bits = 1
[ 3476.256313] /build/buildd-linux_3.2.23-1-amd64-zj7gxu/linux-3.2.23/drivers/usb/serial/pl2303.c: pl2303_set_termios -
parity = none
[ 3476.258281]
/build/buildd-linux_3.2.23-1-amd64-zj7gxu/linux-3.2.23/drivers/usb/serial/pl2303.c:
0x21:0x20:0:0 7
[ 3476.260269] /build/buildd-linux_3.2.23-1-amd64-zj7gxu/linux-3.2.23/drivers/usb/serial/pl2303.c: 0xa1:0x21:0:0 7 - 80
25 0 0 0 0 8
[ 3476.262282]
/build/buildd-linux_3.2.23-1-amd64-zj7gxu/linux-3.2.23/drivers/usb/serial/pl2303.c:
0x40:0x1:0x0:0x0 0
[ 3476.262293] /build/buildd-linux_3.2.23-1-amd64-zj7gxu/linux-3.2.23/drivers/usb/serial/pl2303.c: pl2303_open -
submitting read urb
[ 3476.262315] /build/buildd-linux_3.2.23-1-amd64-zj7gxu/linux-3.2.23/drivers/usb/serial/pl2303.c: pl2303_open -
submitting interrupt urb
[ 3476.264258] /build/buildd-linux_3.2.23-1-amd64-zj7gxu/linux-3.2.23/drivers/usb/serial/pl2303.c:
pl2303_read_int_callback (0)
[ 3476.264263] pl2303 ttyUSB0: pl2303_read_int_callback - length = 10, data =
[ 3476.264272] /build/buildd-linux_3.2.23-1-amd64-zj7gxu/linux-3.2.23/drivers/usb/serial/pl2303.c: set_control_lines -
value = 3, retval = 0
[ 3476.264284] a1 20 00 00 00 00 02 00 8b 02
[ 3476.264302] /build/buildd-linux_3.2.23-1-amd64-zj7gxu/linux-3.2.23/drivers/usb/serial/pl2303.c: pl2303_ioctl (0) cmd
= 0x540b
[ 3476.264311] /build/buildd-linux_3.2.23-1-amd64-zj7gxu/linux-3.2.23/drivers/usb/serial/pl2303.c: pl2303_ioctl not
supported = 0x540b
[ 3476.264327] /build/buildd-linux_3.2.23-1-amd64-zj7gxu/linux-3.2.23/drivers/usb/serial/pl2303.c: pl2303_ioctl (0) cmd
= 0x5401
[ 3476.264335] /build/buildd-linux_3.2.23-1-amd64-zj7gxu/linux-3.2.23/drivers/usb/serial/pl2303.c: pl2303_ioctl not
supported = 0x5401
[ 3476.264345] /build/buildd-linux_3.2.23-1-amd64-zj7gxu/linux-3.2.23/drivers/usb/serial/pl2303.c: pl2303_ioctl (0) cmd
= 0x5401
[ 3476.264353] /build/buildd-linux_3.2.23-1-amd64-zj7gxu/linux-3.2.23/drivers/usb/serial/pl2303.c: pl2303_ioctl not
supported = 0x5401
[ 3476.264365] /build/buildd-linux_3.2.23-1-amd64-zj7gxu/linux-3.2.23/drivers/usb/serial/pl2303.c: pl2303_ioctl (0) cmd
= 0x5401
[ 3476.264373] /build/buildd-linux_3.2.23-1-amd64-zj7gxu/linux-3.2.23/drivers/usb/serial/pl2303.c: pl2303_ioctl not
supported = 0x5401
[ 3476.264381] /build/buildd-linux_3.2.23-1-amd64-zj7gxu/linux-3.2.23/drivers/usb/serial/pl2303.c: pl2303_ioctl (0) cmd
= 0x5402
[ 3476.264389] /build/buildd-linux_3.2.23-1-amd64-zj7gxu/linux-3.2.23/drivers/usb/serial/pl2303.c: pl2303_ioctl not
supported = 0x5402
[ 3476.264399] /build/buildd-linux_3.2.23-1-amd64-zj7gxu/linux-3.2.23/drivers/usb/serial/pl2303.c: pl2303_set_termios -
port 0
[ 3476.264409] /build/buildd-linux_3.2.23-1-amd64-zj7gxu/linux-3.2.23/drivers/usb/serial/pl2303.c: pl2303_ioctl (0) cmd
= 0x5401
[ 3476.264417] /build/buildd-linux_3.2.23-1-amd64-zj7gxu/linux-3.2.23/drivers/usb/serial/pl2303.c: pl2303_ioctl not
supported = 0x5401
[ 3476.264426]
/build/buildd-linux_3.2.23-1-amd64-zj7gxu/linux-3.2.23/drivers/usb/serial/pl2303.c:
pl2303_tiocmget (0)
[ 3476.264434] /build/buildd-linux_3.2.23-1-amd64-zj7gxu/linux-3.2.23/drivers/usb/serial/pl2303.c: pl2303_tiocmget -
result = 1e6
[ 3476.266281] /build/buildd-linux_3.2.23-1-amd64-zj7gxu/linux-3.2.23/drivers/usb/serial/pl2303.c: set_control_lines -
value = 3, retval = 0
[ 3476.266296] /build/buildd-linux_3.2.23-1-amd64-zj7gxu/linux-3.2.23/drivers/usb/serial/pl2303.c: pl2303_ioctl (0) cmd
= 0x5401
[ 3476.266304] /build/buildd-linux_3.2.23-1-amd64-zj7gxu/linux-3.2.23/drivers/usb/serial/pl2303.c: pl2303_ioctl not
supported = 0x5401
[ 3476.266316] /build/buildd-linux_3.2.23-1-amd64-zj7gxu/linux-3.2.23/drivers/usb/serial/pl2303.c: pl2303_ioctl (0) cmd
= 0x5401
[ 3476.266323] /build/buildd-linux_3.2.23-1-amd64-zj7gxu/linux-3.2.23/drivers/usb/serial/pl2303.c: pl2303_ioctl not
supported = 0x5401
[ 3476.266332] /build/buildd-linux_3.2.23-1-amd64-zj7gxu/linux-3.2.23/drivers/usb/serial/pl2303.c: pl2303_ioctl (0) cmd
= 0x5402
[ 3476.266339] /build/buildd-linux_3.2.23-1-amd64-zj7gxu/linux-3.2.23/drivers/usb/serial/pl2303.c: pl2303_ioctl not
supported = 0x5402
[ 3476.266350] /build/buildd-linux_3.2.23-1-amd64-zj7gxu/linux-3.2.23/drivers/usb/serial/pl2303.c: pl2303_set_termios -
port 0
[ 3476.266361] /build/buildd-linux_3.2.23-1-amd64-zj7gxu/linux-3.2.23/drivers/usb/serial/pl2303.c: pl2303_ioctl (0) cmd
= 0x5401
[ 3476.266368] /build/buildd-linux_3.2.23-1-amd64-zj7gxu/linux-3.2.23/drivers/usb/serial/pl2303.c: pl2303_ioctl not
supported = 0x5401
Here the debug output closing the port:
[ 3557.165141] /build/buildd-linux_3.2.23-1-amd64-zj7gxu/linux-3.2.23/drivers/usb/serial/pl2303.c: pl2303_ioctl (0) cmd
= 0x5401
[ 3557.165145] /build/buildd-linux_3.2.23-1-amd64-zj7gxu/linux-3.2.23/drivers/usb/serial/pl2303.c: pl2303_ioctl not
supported = 0x5401
[ 3557.165149] /build/buildd-linux_3.2.23-1-amd64-zj7gxu/linux-3.2.23/drivers/usb/serial/pl2303.c: pl2303_ioctl (0) cmd
= 0x5402
[ 3557.165151] /build/buildd-linux_3.2.23-1-amd64-zj7gxu/linux-3.2.23/drivers/usb/serial/pl2303.c: pl2303_ioctl not
supported = 0x5402
[ 3557.165155] /build/buildd-linux_3.2.23-1-amd64-zj7gxu/linux-3.2.23/drivers/usb/serial/pl2303.c: pl2303_set_termios -
port 0
[ 3557.165158] /build/buildd-linux_3.2.23-1-amd64-zj7gxu/linux-3.2.23/drivers/usb/serial/pl2303.c: pl2303_ioctl (0) cmd
= 0x5401
[ 3557.165160] /build/buildd-linux_3.2.23-1-amd64-zj7gxu/linux-3.2.23/drivers/usb/serial/pl2303.c: pl2303_ioctl not
supported = 0x5401
[ 3557.428415] /build/buildd-linux_3.2.23-1-amd64-zj7gxu/linux-3.2.23/drivers/usb/serial/pl2303.c: set_control_lines -
value = 0, retval = 0
[ 3557.428429]
/build/buildd-linux_3.2.23-1-amd64-zj7gxu/linux-3.2.23/drivers/usb/serial/pl2303.c:
pl2303_close - port 0
[ 3557.429364] /build/buildd-linux_3.2.23-1-amd64-zj7gxu/linux-3.2.23/drivers/usb/serial/pl2303.c:
pl2303_read_int_callback (0)
[ 3557.429375] /build/buildd-linux_3.2.23-1-amd64-zj7gxu/linux-3.2.23/drivers/usb/serial/pl2303.c:
pl2303_read_int_callback - urb shutting down with status: -2
I added the output of lsusb -v too
I've compared your "lsusb -v" output for *HX adapter,
and compared it with output for my (presumably genuine) *HX;
no differences found, except the bus& device number :)
It's seems to be a good clone - but not exact. ;-)
Looks like you connect your problematic device directly, not using hub,
so there should be no problem...
The tests before there was a hub between the adapter.
This last loop test without a hub.
I'm not sure if it's helpful, but you can also check
if it works with older kernels (like one Debian Squeeze has)
and newer kernels (e. g., from "experimental").
It's really helpful, because the adapter works in Debian Squeeze!
I mail the results in a different mail.
The question now is what is different using kernel 2.6.32-5-amd64 ?
I have no system with a newer kernel, maybe i must install one ...
Cheers
Karsten
----
Best wishes, Bob
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