Re: [Pcbsd-developer] removage storage unmounting (devd.conf)

[Federico L. <flo...@gm...>]

On Friday 25 August 2006 13:19, Andrei Kolu wrote:
> On Friday 25 August 2006 2:03 pm, Federico Lorenzi wrote:
> > On Friday 25 August 2006 10:02, Andrei Kolu wrote:
> > > On Friday 25 August 2006 8:18 am, Federico Lorenzi wrote:
> > > > On Thursday 24 August 2006 23:15, Andrei Kolu wrote:
> > > > > I found this interesting feature for /etc/devd.conf:
> > > > > -------------------------------------------------------------
> > > > > attach 0 {
> > > > > device-name "umass0";
> > > > > action "sleep 2 && test -c /dev/da0s1 && /sbin/mount_msdosfs -m
> > > > > 777 /dev/da0s1 /mnt/flash";
> > > > > };
> > > > > detach 0 {
> > > > > device-name "umass0";
> > > > > action "umount -f /mnt/flash";
> > > >
> > > > Just one problem... ATM we cant unmount a device after it has been
> > > > taken out, as it can cause file loss and the like. And if you do, y=
ou
> > > > are left with the entry still in /dev... Maybe a good thing to find
> > > > out is if there is a way to disable WB-caching for certain disks?
> > >
> > > devd.conf is working on hardware level, this is not a plain script
> > > here. detach 0 command is exactly the way to prevent crashing if some
> > > device is removed.
> >
> > Just tested it now on 6.1-STABLE - Kernel seems to panic and the machine
> > reboots...
>
> Are you sure it is mounted in /mnt/flash?
>
> Show me /var/log/messages file.
Yip, i checked and it mounted the drive fine, however when i unplugged it=20
AFAIK the kernel pancied...
Last lines of /var/log/messages
Aug 25 12:54:14 federico kernel: da0 at umass-sim0 bus 0 target 0 lun 0
Aug 25 12:54:14 federico kernel: da0: <Generic USB Flash Disk 0.00> Removab=
le=20
Direct Access SCSI-2 device
Aug 25 12:54:14 federico kernel: da0: 1.000MB/s transfers
Aug 25 12:54:14 federico kernel: da0: 250MB (512000 512 byte sectors: 64H=20
32S/T 250C)
I ran devd in debugging mode, and it did all the right things.... Just
disconnecting it....

Cheers