On Tue, 23 May 2000, Dunlap, Randy wrote:
> Hi Ken,
>
> I'm not following this too well. Maybe it was described
> in your first email.
>
> devices.before shows Dev# 3 as a compact flash reader.
> Do you unplug it (from the root hub ?) and plug in the monitor's
> hub (to the root hub?) or is there yet another external
> USB hub involved here also? (since devices.after shows Dev# 3
> as a hub device)
>
Yes, when I first started the computer, I had the compact flash reader
plugged into the root hub. I unplugged it to plug the monitor into the
root hub. I do not have any other hubs plugged into the machine. I have a
USB keyboard plugged into the other root port.
> Also, your kernel messages file shows:
> May 22 23:28:01 neon kernel: usb.c: USB disconnect on device 3
> May 22 23:28:07 neon kernel: usb.c: USB new device connect, assigned device
> number 3
> May 22 23:28:07 neon kernel: hub.c: USB hub found
>
> so it looks like the hub is being detected, but something fails
> quickly after hub detection. Can you set the console loglevel
> to 9 and repeat the monitor-hub connection (plug-in) and post
> that portion of the kernel log file? (Use Alt-SysRq-9 if you
> have Magic SysRq key enabled. You can also boot linux with
> the 'debug' option [as in: linux debug] if you don't want to
> build a kernel with Magic SysRq key enabled.)
>
I will do this this evening (the machine is at home, I'm at work).
> I'm trying to locate a monitor-hub to test this also, but
> no luck yet (internally).
>
I'll do whatever you need me to.
Ken
> Thanks,
> Randy
>
>
> > -----Original Message-----
> > From: Ken Scott [mailto:[EMAIL PROTECTED]]
> > Sent: Monday, May 22, 2000 11:00 PM
> > To: Dunlap, Randy
> > Cc: [EMAIL PROTECTED]
> > Subject: RE: [linux-usb] Monitor with embedded hub
> >
> >
> > I have attached all the files or log sections requested below. I am
> > willing to try patches, or whatever is needed to get this hub working.
> >
> > When I first started the system, I had the SanDisk CF reader
> > attached to
> > the PC USB port. I disconnected that device and connected the
> > monitor. After the monitor was connected, I attached the CF
> > reader to the
> > monitor, but I could not mount the device.
> >
> > Thanks,
> > Ken Scott
> >
> > On Mon, 22 May 2000, Dunlap, Randy wrote:
> >
> > > We've had this report and one (or two) others about
> > > the LG Electronics Flatron 795FT Plus monitors/USB hubs
> > > not working correctly (or USB hubs not working at all)
> > > with Linux-USB.
> > >
> > > Is anyone successfully using a monitor + USB hub with
> > > Linux-USB or do we have a basic flaw somewhere that we
> > > need to dig into?
> > >
> > > Ken:
> > > >From the Linux USB Guide:<quote>
> > > How do I report a bug?
> > >
> > > In addition to the information required in
> > > /usr/src/linux/REPORTING-BUGS, it also helps enormously if you
> > > provide the output of /proc/bus/usb/devices. If you are
> > > having problems with your host controller being
> > > recognised, it helps to have the output of lspci -v.
> > > If it is supposed to be UHCI, it helps to know whether
> > > interrupts are being generated every second.
> > > </quote>
> > >
> > > So please include your linux/.config file (CONFIG_USB_xxx will do),
> > > /proc/bus/usb/{drivers,devices}, and kernel logs at the time
> > > that you connect the monitor-hub to your PC's USB port or to
> > > an upstream hub's port.
> > >
> > > Thanks,
> > > ~Randy
> > >
> > > > -----Original Message-----
> > > > From: Ken Scott [mailto:[EMAIL PROTECTED]]
> > > > Sent: Monday, May 22, 2000 10:14 AM
> > > > To: [EMAIL PROTECTED]
> > > > Subject: [linux-usb] Monitor with embedded hub
> > > >
> > > >
> > > > Hello,
> > > >
> > > > I have a CTX 19" monitor (model VL-950) with an embedded
> > > > 4-port hub. The
> > > > current usb code does not recognize the hub, and the hub does
> > > > not function
> > > > (with several kernels, up to 2.3.99-pre6).
> > > >
> > > > What do I need to do/provide to get the hub in this monitor
> > > > working? I am
> > > > new to device drivers and kernel development, but I can
> > > > follow the steps
> > > > to deliver a log file, or something similar to that.
> > > >
> > > > Thanks,
> > > > Ken
> > > >
> > > > --
> > > > ><> Ken Scott [EMAIL PROTECTED]
> http://www.pcisys.net/~kscott
> >
>
>
--
><> Ken Scott [EMAIL PROTECTED] http://www.pcisys.net/~kscott
This is the day that the Lord has made;
I will rejoice and be glad in it! -- Psalm 118:24
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