Kodak USB flash reader causes freezes, panics

Brooks Davis brooks at one-eyed-alien.net
Mon Apr 11 16:01:09 PDT 2005

On Mon, Apr 11, 2005 at 05:24:15PM -0400, Tim Howe wrote:
> I'm not sure if this should go here or to -bugs, but the other
> USB-related reports put me in good company, I'm hoping...
> I'm having a problem with a Kodak USB flash reader.  "camcontrol
> inquiry" gives me:
>   pass0: <Kodak CF/SD/MMC/SM 0108> Removable Direct Access SCSI-0 device 
>   pass0: Serial Number 
>   pass0: 1.000MB/s transfers 
> The device has printed on it:
>   Kodak Multi-Card Reader       CE2A012
>                                 KP P/N 7E3771
>                                 ITEM# 20209416
>                                 P/N 680-070-563
> Reproducibly, if I begin copying data to a Lexar 256MB CF card (P/N
> 2250, Rev. A), it works for a while, then freezes the system.  The first
> time this happened it was when trying to unmount the filesystem.  The
> second time was in the midst of copying data.  Both times the system was
> completely frozen; not even the keyboard LEDs toggled.  Strangely, I
> could connect on the SSH and FTP ports, but received no welcome banner.
> The third time I modified the script I was using to copy my files to
> sync and sleep after each file.  This time the system seemed to freeze,
> then lurch through handling several interrupts (mouse pointer moved and
> a menu popped up from right-clicking), then froze again.  Initially
> connecting to the SSH port brought up the banner after a very long
> delay, but an attempt to reproduce this was unsuccessful, and I was
> unable to actually SSH in.
> Mounting the filesystem synchronously doesn't seem to help.  The first
> time it worked, but then when I unmounted and remounted it and copied
> some more files it froze midway through.
> I'm running FreeBSD 5.3:
> FreeBSD beaker.data-secure.net 5.3-RELEASE-p8 FreeBSD 5.3-RELEASE-p8 #1: Mon Apr 11 15:20:08 EDT 2005     root at beaker.data-secure.net:/usr/obj/usr/src/sys/GENERIC  i386
> I will be fairly busy for the next few days but later this week I should
> be able to try out patches or set up a machine running a more
> cutting-edge source tree, if necessary.  I've got FreeBSD 5.4-RC2
> building today, actually; is it likely that this will solve my problem?

It is quite likely that 5.4 fixed your problem.  Not certain, of course,
but many problems have been fixed recently.

-- Brooks

Any statement of the form "X is the one, true Y" is FALSE.
PGP fingerprint 655D 519C 26A7 82E7 2529  9BF0 5D8E 8BE9 F238 1AD4
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