Re: Attache USB flash drive

From: Andy Fawcett (andy_at_athame.co.uk)
Date: 05/31/04

  • Next message: Tim Robbins: "Re: Hangs on reboot" 
    To: freebsd-current@freebsd.org
Date: Mon, 31 May 2004 15:18:01 +0300

    On Sunday 30 May 2004 09:07, Rob wrote:
    > Brian Rogers wrote:
    > > I recently got a 128 MB USB flash drive, and when I plug it in,
    > > nothing shows up in /dev. It does show up in dmesg, however.
    > > Then, slowly over time, I get a repeating sequence of three error
    > > messages. If I unplug the device, it panics in
    > > uhci_device_ctrl_start with a null dereference. It looks like
    > > xfer->pipe is null.
    > >
    > > The system fails to sync and doesn't make a crash dump, but I'm
    > > guessing the real problem occurs earlier anyway. What can I do?
    > >
    > > uhci0: <VIA 83C572 USB controller> port 0xd800-0xd81f irq 21 at
    > > device 16.0 on pci0 uhci0: [GIANT-LOCKED]
    > > usb0: <VIA 83C572 USB controller> on uhci0
    > > usb0: USB revision 1.0
    > > uhub0: VIA UHCI root hub, class 9/0, rev 1.00/1.00, addr 1
    > > uhub0: 2 ports with 2 removable, self powered
    > > ums0: Logitech USB-PS/2 Optical Mouse, rev 2.00/11.10, addr 2,
    > > iclass 3/1 ums0: 3 buttons and Z dir.
    > > ulpt0: EPSON USB Printer, rev 1.10/1.00, addr 3, iclass 7/1
    > > ulpt0: using bi-directional mode
    > > uhci1: <VIA 83C572 USB controller> port 0xdc00-0xdc1f irq 21 at
    > > device 16.1 on pci0 uhci1: [GIANT-LOCKED]
    > > usb1: <VIA 83C572 USB controller> on uhci1
    > > usb1: USB revision 1.0
    > > uhub1: VIA UHCI root hub, class 9/0, rev 1.00/1.00, addr 1
    > > uhub1: 2 ports with 2 removable, self powered
    > > uhci2: <VIA 83C572 USB controller> port 0xe000-0xe01f irq 21 at
    > > device 16.2 on pci0 uhci2: [GIANT-LOCKED]
    > > usb2: <VIA 83C572 USB controller> on uhci2
    > > usb2: USB revision 1.0
    > > uhub2: VIA UHCI root hub, class 9/0, rev 1.00/1.00, addr 1
    > > uhub2: 2 ports with 2 removable, self powered
    >
    > [...]
    >
    > > umass0: PNY Attache 2.0, rev 2.00/2.00, addr 2
    > > umass0: BBB reset failed, TIMEOUT
    > > umass0: BBB bulk-in clear stall failed, TIMEOUT
    > > umass0: BBB bulk-out clear stall failed, TIMEOUT
    >
    > I've seen similar problems on one of my 4-stable PCs.
    > Not being an expert on USB stuff, I googled a bit around and
    > came to the conclusion that the VIA 83C572 USB controller is
    > the reason of the problem. You also have that one.
    > Mounting my USB mass storage toy as a umass device works fine,
    > however, unmounting it hangs/freezes the whole system.
    >
    > Another 4-Stable PC of mine has an Intel 82801BA/BAM (ICH2) USB
    > controller, and that works like a charm.
    >
    > If, by any chance, you've got another FreeBSD PC that has an
    > Intell (or any other than VIA) USB controller, you may also
    > see it work there.
    >
    > I haven't tried all this out with CURRENT, but I guess it has the
    > same problems.

    Just as a data point, my Buffalo 256MB umass device works fine with
    5.2.1R-p8 and VIA 83572 controller. YMMV

    A. 

    -- 
Andy Fawcett                                     | andy@athame.co.uk
                                                 | tap@kde.org
"In an open world without walls and fences,      | tap@lspace.org
  we wouldn't need Windows and Gates."  -- anon  | tap@fruitsalad.org
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