On Wednesday 04 February 2009 10:54, Christian Dumhart wrote:
> Hi,
>
> I make the first tests with mdev and have problems with it.
>
> ####################
> follow mdev.conf:
> sd[a-z].[1-9]* root:disk 660 */usr/sbin/mnt $MDEV
> ####################
>
> ####################
> follow mnt script:
> #!/bin/sh
>
> echo "HIER in mnt.sh"
> usb_name="usb_storage_$1"
>
>
> MNT_DIR="/mnt/$usb_name"
>
> #debug
> #echo "action: $ACTION / mdev: $MDEV / devpath: $DEVPATH / subsystem:
> $SUBSYSTEM / mntdir: $MNT_DIR" >> /tmp/hotplug.log
>
> # check mount / unmount
> if [ "$ACTION" = "remove" ]; then
> # unmount
> /bin/umount -lf /dev/$1
> /bin/rmdir "/mnt/$usb_name"
> else
> # mount
> if [ ! -d "/mnt/$usb_name" ]; then
> /bin/mkdir "/mnt/$usb_name"
> fi
> /bin/mount /dev/$1 "/mnt/$usb_name"
> fi
> ####################
>
> now the system (hotplug?) or mdev is call the script twice!?
> ####################
> / # mdev -s
> HIER in mnt.sh
> mount: mounting /dev/sdb1 on /mnt/usb_storage_sdb1 failed: Device or resource
> busy
> HIER in mnt.sh
> mount: mounting /dev/sdb1 on /mnt/usb_storage_sdb1 failed: Device or resource
> busy
> / #
> ####################
>
> The error that the device is bussy is ok because mdev is called before I've
> type manuale the mdev -s command.
>
> Have anybode a tipp what it can be?
No. Need more data.
Can you rebuild the busybox with this change in mdev.c:
fileAction(const char *fileName,
struct stat *statbuf UNUSED_PARAM,
void *userData,
int depth UNUSED_PARAM)
{
size_t len = strlen(fileName) - 4; /* can't underflow */
char *scratch = userData;
/* len check is for paranoid reasons */
if (strcmp(fileName + len, "/dev") != 0 || len >= PATH_MAX)
return FALSE;
bb_error_msg("fileName '%s'", fileName); <========== THIS LINE
strcpy(scratch, fileName);
scratch[len] = '\0';
make_device(scratch, 0);
return TRUE;
}
then re-do experiment of running "mdev -s",
and let me know what do you see.
--
vda
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