Re: Attache USB flash drive

From: Brian Rogers (burpmaster_at_truffula.net)
Date: 05/30/04

  • Next message: Andre Guibert de Bruet: "Re: /usr/local/etc/rc.conf" 
    Date: Sun, 30 May 2004 00:01:50 -0700
To: freebsd-current@freebsd.org

    Rob wrote:

    > Brian Rogers wrote:
    >
    >> 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.

    I just tried booting off the FreeBSD 5.2 install disc on my system. No
    crash on removal, but I do get the same three repeating error messages
    and still no device appears in /dev. Then I tried this boot disc on an
    Intel (440BX) machine. No error messages, but still no /dev entry. I
    must be seeing both an old VIA-related 4.X bug and a newer 5.X bug where
    the device doesn't appear, which recently can also trigger a crash.

    Did you say that you can mount the filesystem, and it freezes when you
    unmount it? What happens if you just unplug the device after plugging
    it in? I don't have a way to mount it, but unplugging the device
    crashes my system.

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