Problem CompactFlash Card via PCMCIA Adapter

Hello,

following Problem:
Whenever I insert a CompactFlash Card/Microdrive/SD Card via an PCMCIA Card Adapter the system becomes very slow. (I have tryed several PCMCIA Adapters and Card Types)

There is permanent logging in the /var/log/messages that looks like follows:
.
.
.

Jan 20 10:51:48 DE111 /etc/dev.d/block/50-hwscan.dev[1087]: new block
device /block/hde
Jan 20 10:51:48 DE111 /etc/dev.d/block/51-subfs.dev[1099]: mount block
device /block/hde/hde1
Jan 20 10:51:48 DE111 /etc/dev.d/block/51-subfs.dev[1109]: mount block
device /block/hde
Jan 20 10:51:49 DE111 /etc/dev.d/block/51-subfs.dev[1194]: umount block

device /block/hde/hde1
.
.
.
Mounting the device manually fails, with the error message that /dev/hde1 does not exists.

I am using SuSE 9.2 with 2.6.8-24.11-default kernel. I also tryed a vanilla kernel from kernel.org (2.6.10) but it did not solve the problem. udev version is udev-030-9

After some experiments I could change this behaviour by out-commenting
BUS="ide", PROGRAM="/sbin/udev.get_persistent_device_name.sh", NAME="%k" SYMLINK="%c{1+}"
in /etc/udev/rules.d/50-udev.rules. After that at least /dev/hde1 does not dissapear and there
aren't anymore errors logged in /var/log/messages. The device can be easily mounted manually.

The second alternative is by changing the /etc/dev.d/block/51-subfs.dev. BUS="ide", PROGRAM="/sbin/udev.get_persistent_device_name.sh", NAME="%k" SYMLINK="%c{1+}"
has to be active (not out-commentet) in /etc/udev/rules.d/50-udev.rules In /etc/sysconfig/hotplug
HOTPLUG_DO_MOUNT="yes"
and
HOTPLUG_MOUNT_TYPE="fstab"
(with other values it won't work)

I have put following block in the 51-subfs.dev

if [ -n "$dname" -a -z "$do_mount" ]; then
pt_name=${DEVNAME##*/}
path_name=$dname/block/$pt_name
if [ -d $path_name ]; then
do_mount=whynot
fi
fi

before the final case
.
.
case $ACTION in
add)
mesg "mount block device $DEVPATH"
.
.

and after the block responsible for the USB devices.

Now the Flashcard get's also automatically mounted.

I consider both approaches as being a workaround.

What's here the problem ? I mean the CF Cards when used as with PCMCIA adapter are handled as IDE devices, but somehow there seems to be a problem with those. The same devices used via an USB Card Reader work without any problem.

Thanky ou in advance!
Best Regards,
Vlad

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