Hello. В Втр, 09.08.2005, в 22:45, Greg KH пишет: > > > > I've just tried a USB->RS232 adapter (BAFO BF-810), it's PL2303 based > > > > one, and I have a bad problem with it. My current kernel is > > > > 2.6.13-rc3-mm3, but I've also tried it with 2.6.12-rc5-mm1 - the same > > > > problem. I can also try recent -rc5 and -rc4-mm1, will compile them now. > > > > > > Do you have this device plugged into a USB 2.0 hub? If so, that might > > > explain the problems. > > > > Yes, that was connected through USB 2.0, but on Sunday I've bought > > another USB->RS232 thing and that works for me, suprisingly, but it's > > PL-2303 based too! But when I plug "right" converter I don't see the > > line > > > > rik-note kernel: pl2303 3-2:1.0: PL-2303 hack: descriptors matched but > > endpoints did not > > But it works for you? That was put in there for older devices, if > everything works, I'd not worry about it. > > And don't plug it into a USB 2.0 hub, that is known to not work properly > on Linux, as you have found out. People are trying to work on it, but > it will take a while to get it all sorted out.
What I have here is
0000:00:10.0 USB Controller: VIA Technologies, Inc. USB (rev 80) (prog-if 00
[UHCI])
Subsystem: Mitac: Unknown device 8375
Flags: bus master, medium devsel, latency 32, IRQ 10
I/O ports at 1200 [size=32]
Capabilities: [80] Power Management version 2
0000:00:10.1 USB Controller: VIA Technologies, Inc. USB (rev 80) (prog-if 00
[UHCI])
Subsystem: Mitac: Unknown device 8375
Flags: bus master, medium devsel, latency 32, IRQ 11
I/O ports at 1300 [size=32]
Capabilities: [80] Power Management version 2
0000:00:10.3 USB Controller: VIA Technologies, Inc. USB 2.0 (rev 82) (prog-if
20 [EHCI])
Subsystem: Mitac: Unknown device 8375
Flags: bus master, medium devsel, latency 32, IRQ 11
Memory at f0000000 (32-bit, non-prefetchable)
Capabilities: [80] Power Management version 2
And this (new) PL2303-based USB->RS232 works here, providing my only
connection for this week. :)
Some logs (with some garbage, sorry, but "as is" :) ):
Aug 9 21:47:13 rik-note kernel: usb 3-2: new full speed USB device using
uhci_hcd and address 2
Aug 9 21:47:13 rik-note /etc/hotplug/usb.agent[5490]: need a device for this
command
Aug 9 21:47:15 rik-note SuSEfirewall2: Firewall rules successfully set from
/etc/sysconfig/SuSEfirewall2
Aug 9 21:47:18 rik-note kernel: drivers/usb/serial/usb-serial.c: USB Serial
support registered for PL-2303
Aug 9 21:47:18 rik-note kernel: pl2303 3-2:1.0: PL-2303 converter detected
Aug 9 21:47:18 rik-note kernel: usb 3-2: PL-2303 converter now attached to
ttyUSB0
Aug 9 21:47:18 rik-note kernel: usbcore: registered new driver pl2303
Aug 9 21:47:18 rik-note kernel: drivers/usb/serial/pl2303.c: Prolific PL2303
USB to serial adaptor driver v0.12
Aug 9 21:47:24 rik-note kdm: :0[5808]: pam_unix2: session started for user
rik, service xdm-np
Aug 9 21:47:29 rik-note /etc/hotplug/tty.agent[6750]: add tty device
/class/tty/ttyUSB0
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