Now running Kern 2.6.28 will prevent a working card reader but gives the following outputs for comparison:
ad2k1g:~$ date;cat /etc/*release*;uname -a;lsusb;date;lsmod;ls -dlp /dev/usb/*
Tue May  5 16:04:31 BST 2009
DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=9.04
DISTRIB_CODENAME=jaunty
DISTRIB_DESCRIPTION="Ubuntu 9.04"
Linux ad2k1g 2.6.28-11-generic #42-Ubuntu SMP Fri Apr 17 01:57:59 UTC 2009 i686 GNU/Linux
Bus 001 Device 004: ID 058f:6362 Alcor Micro Corp. Hi-Speed 21-in-1 Flash Card Reader/Writer (Internal/External)
Bus 001 Device 003: ID 04e8:5050 Samsung Electronics Co., Ltd YP-U2 MP3 Player
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 006 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 002 Device 002: ID 04b8:0005 Seiko Epson Corp. Stylus D88+
Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Tue May  5 16:04:31 BST 2009
Module                  Size  Used by
binfmt_misc            16776  1 
radeon                342816  2 
drm                    96296  3 radeon
bridge                 56340  0 
stp                    10500  1 bridge
bnep                   20224  2 
vboxnetflt             91016  0 
vboxdrv               117544  1 vboxnetflt
xt_owner               10624  1 
xt_limit               10116  8 
xt_tcpudp              11008  7 
ipt_LOG                13700  8 
ipt_MASQUERADE         10752  0 
xt_DSCP                11264  0 
ipt_REJECT             11136  5 
nf_conntrack_irc       13220  0 
nf_conntrack_ftp       15652  0 
xt_state               10112  6 
video                  25360  0 
output                 11008  1 video
input_polldev          11912  0 
squashfs               46344  1 
sbp2                   30476  0 
lp                     17156  0 
iptable_nat            13700  0 
nf_nat                 25876  2 ipt_MASQUERADE,iptable_nat
nf_conntrack_ipv4      21388  9 iptable_nat,nf_nat
nf_conntrack           72008  7 ipt_MASQUERADE,nf_conntrack_irc,nf_conntrack_ftp,xt_state,iptable_nat,nf_nat,nf_conntrack_ipv4
nf_defrag_ipv4          9984  1 nf_conntrack_ipv4
iptable_mangle         10880  0 
iptable_filter         10752  1 
ip_tables              19472  3 iptable_nat,iptable_mangle,iptable_filter
x_tables               23044  10 xt_owner,xt_limit,xt_tcpudp,ipt_LOG,ipt_MASQUERADE,xt_DSCP,ipt_REJECT,xt_state,iptable_nat,ip_tables
psmouse                61972  0 
ppdev                  15620  0 
snd_hda_intel         435636  3 
snd_pcm_oss            46336  0 
snd_mixer_oss          22656  1 snd_pcm_oss
ati_agp                14988  0 
agpgart                42696  2 drm,ati_agp
serio_raw              13316  0 
parport_pc             40100  1 
parport                42220  3 lp,ppdev,parport_pc
pcspkr                 10496  0 
snd_pcm                82948  2 snd_hda_intel,snd_pcm_oss
usblp                  20224  1 
snd_seq_dummy          10756  0 
i2c_piix4              18448  0 
snd_seq_oss            37760  0 
snd_seq_midi           14336  0 
snd_rawmidi            29696  1 snd_seq_midi
snd_seq_midi_event     15104  2 snd_seq_oss,snd_seq_midi
snd_seq                56880  6 snd_seq_dummy,snd_seq_oss,snd_seq_midi,snd_seq_midi_event
snd_timer              29704  2 snd_pcm,snd_seq
snd_seq_device         14988  5 snd_seq_dummy,snd_seq_oss,snd_seq_midi,snd_rawmidi,snd_seq
k8temp                 12416  0 
snd                    62628  15 snd_hda_intel,snd_pcm_oss,snd_mixer_oss,snd_pcm,snd_seq_oss,snd_rawmidi,snd_seq,snd_timer,snd_seq_device
soundcore              15200  1 snd
snd_page_alloc         16904  2 snd_hda_intel,snd_pcm
reiserfs              236288  1 
ohci1394               38576  0 
ieee1394               94660  2 sbp2,ohci1394
floppy                 64324  0 
r8169                  40836  0 
mii                    13312  1 r8169
fbcon                  46112  0 
tileblit               10752  1 fbcon
font                   16384  1 fbcon
bitblit                13824  1 fbcon
softcursor              9984  1 bitblit
crw-rw----+ 1 root lp 180, 0 2009-05-05 15:58 /dev/usb/lp0