I have a SmartMedia card reader. If I try to use like this: mount /dev/sdb1 /mount/camera - it reports that the device /dev/sdb1 doesn't exist. However, if I first try: mount /dev/sdb /mount/camera - it complains about filesystem and then: mount /dev/sdb1 /mount/camera everything works just fine for any following mounts/unmounts. host $ emerge info Portage 2.0.50-r7 (default-x86-2004.0, gcc-3.3.3, glibc-2.3.3_pre20040420-r0, 2.6.5) ================================================================= System uname: 2.6.5 i686 AMD Athlon(TM) MP 2400+ Gentoo Base System version 1.4.15 distcc 2.14 i686-pc-linux-gnu (protocols 1 and 2) (default port 3632) [disabled]ccache version 2.3 [enabled] Autoconf: sys-devel/autoconf-2.59-r4 Automake: sys-devel/automake-1.8.3 ACCEPT_KEYWORDS="x86 ~x86" AUTOCLEAN="yes" CFLAGS="-O2 -march=athlon-mp -fomit-frame-pointer" CHOST="i686-pc-linux-gnu" COMPILER="gcc3" CONFIG_PROTECT="/etc /usr/X11R6/lib/X11/xkb /usr/kde/2/share/config /usr/kde/3.2/share/config /usr/kde/3/share/config /usr/lib/mozilla/defaults/pref /usr/share/config /var/qmail/control" CONFIG_PROTECT_MASK="/etc/gconf /etc/terminfo /etc/env.d" CXXFLAGS="-O2 -march=athlon-mp -fomit-frame-pointer" DISTDIR="/usr/portage/distfiles" FEATURES="autoaddcvs ccache sandbox" GENTOO_MIRRORS="http://gentoo.oregonstate.edu http://distro.ibiblio.org/pub/Linux/distributions/gentoo" MAKEOPTS="-j3" PKGDIR="/usr/portage/packages" PORTAGE_TMPDIR="/var/tmp" PORTDIR="/usr/portage" PORTDIR_OVERLAY="" SYNC="rsync://rsync.gentoo.org/gentoo-portage" USE="3dnow X aim alsa amd apache2 apm arts autofs avantgo avi berkdb cddb cdr client crypt cups dga directfb dvd dvdr encode esd fax fbdev ffmpeg flac fltk foomaticdb freetype fs gd gdbm gif glut gnome gpm gtk gtk2 icq imap imlib informix jabber java javascript joystick jpeg kde lesstif libg++ libwww mad maildir mbox mcal mdb mikmod mmx mng motif mozcalendar mozilla mpeg mpeg4 msn music mysql ncurses neXt net netcdf nls nvidia oci8 offensive oggvorbis opengl oss pam pcap pda pdflib perl php png postgres ppds pthreads python qt quicktime readline rplay samba scanner sdl slang snmp spell ssl svga tcltk tcpd tiff transcode truetype type1 usb virus-scan wmf x86 xine xml2 xmms xv xvid yahoo zlib zvbi"
Hm. This looks like an upstream issue. Care to open this up at bugzilla.kernel.org?