[gentoo-user] Changes in the way USB devices are mounted

[gentoo-user] Changes in the way USB devices are mounted

[Mick]

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Hi All,

I suspect that something changed recently on the way that USB devices are 
mounted.  I noticed that mounting a USB flash drive has stopped working as 
follows:
==================================
$ dmesg
[snip...]

usb 2-1: new full speed USB device using uhci_hcd and address 2
usb 2-1: configuration #1 chosen from 1 choice
scsi0 : SCSI emulation for USB Mass Storage devices
usb 2-1: New USB device found, idVendor=1516, idProduct=8628
usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
usb 2-1: Product: Gizmo! overdrive1492632974
usb 2-1: Manufacturer: Crucial
usb 2-1: SerialNumber: 1492632974
usb-storage: device found at 2
usb-storage: waiting for device to settle before scanning
scsi 0:0:0:0: Direct-Access     Crucial  Gizmo! overdrive 1.00 PQ: 0 ANSI: 2
sd 0:0:0:0: [sda] 1997312 512-byte hardware sectors (1023 MB)
sd 0:0:0:0: [sda] Write Protect is off
sd 0:0:0:0: [sda] Mode Sense: 03 00 00 00
sd 0:0:0:0: [sda] Assuming drive cache: write through
sd 0:0:0:0: [sda] 1997312 512-byte hardware sectors (1023 MB)
sd 0:0:0:0: [sda] Write Protect is off
sd 0:0:0:0: [sda] Mode Sense: 03 00 00 00
sd 0:0:0:0: [sda] Assuming drive cache: write through
 sda: unknown partition table
sd 0:0:0:0: [sda] Attached SCSI removable disk
sd 0:0:0:0: Attached scsi generic sg0 type 0
usb-storage: device scan complete

$ pmount /dev/sda
Error: device /dev/sda is not removable
==================================

However, clicking on the device in Konqueror under media:/ mounts it happily 
under /media/disk.  Previously it would mount it under /media/sda and the 
pmount command would not error out as shown above.
==================================
$ mount
[snip...]
/dev/sda on /media/disk type vfat 
(rw,nosuid,nodev,noatime,flush,uid=1000,utf8,shortname=lower)
==================================

I also noticed that "shortname=lower" is set as the default, which is annoying 
because the file/folder names are forced to display in lower case.

I am using dbus and hald with a Fluxbox WM so the default KDE behaviour with 
the automounting pop up dialog does not work here (unless I have launched the 
full KDE DE).

Any ideas what has caused these changes?  Are they reversible/configurable?
-- 
Regards,
Mick

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[gentoo-user] Re: Changes in the way USB devices are mounted

[Nikos Chantziaras]

Mick wrote:
> [...]
> I am using dbus and hald with a Fluxbox WM so the default KDE behaviour with 
> the automounting pop up dialog does not work here (unless I have launched the 
> full KDE DE).
> 
> Any ideas what has caused these changes?  Are they reversible/configurable?

The DE is responsible for the mount options.  Are you sure Fluxbox 
doesn't provide a config tool to set up the mount parameters of hot-plug 
USB devices?

Re: [gentoo-user] Re: Changes in the way USB devices are mounted

[Mick]

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On Tuesday 22 July 2008, Nikos Chantziaras wrote:
> Mick wrote:
> > [...]
> > I am using dbus and hald with a Fluxbox WM so the default KDE behaviour
> > with the automounting pop up dialog does not work here (unless I have
> > launched the full KDE DE).
> >
> > Any ideas what has caused these changes?  Are they
> > reversible/configurable?
>
> The DE is responsible for the mount options.  Are you sure Fluxbox
> doesn't provide a config tool to set up the mount parameters of hot-plug
> USB devices?

Not from what I know (which ain't much . . .)

I have always had something like pmount /dev/sda in my FB menu script.

-- 
Regards,
Mick

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Re: [gentoo-user] Changes in the way USB devices are mounted

[Sebastian Günther]

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* Mick (michaelkintzios@gmail.com) [22.07.08 20:08]:
> Hi All,
> 
> I suspect that something changed recently on the way that USB devices are 
> mounted.  I noticed that mounting a USB flash drive has stopped working as 
> follows:
No, I think pmount behavior changed:

it now honors entries in the fstab.



> $ pmount /dev/sda
> Error: device /dev/sda is not removable
> ==================================
> 
Normally you should mount by mountpoint not device node.

> However, clicking on the device in Konqueror under media:/ mounts it happily 
> under /media/disk.  Previously it would mount it under /media/sda and the 
> pmount command would not error out as shown above.
> ==================================

I think, there is an apropiate entry in the fstab, so pmount has not to 
create an new mountpoint.

> $ mount
> [snip...]
> /dev/sda on /media/disk type vfat 
> (rw,nosuid,nodev,noatime,flush,uid=1000,utf8,shortname=lower)
> ==================================
> 
> I also noticed that "shortname=lower" is set as the default, which is annoying 
> because the file/folder names are forced to display in lower case.
> 
OK what's in /etc/fstab?

> I am using dbus and hald with a Fluxbox WM so the default KDE behaviour with 
> the automounting pop up dialog does not work here (unless I have launched the 
> full KDE DE).
> 
Then you should think about ivman if you want automounter support. And 
Fluxbox rocks :-)

HTH
Sebastian

-- 
 " Religion ist das Opium des Volkes. "      Karl Marx

 SEB@STI@N GÜNTHER         mailto:samson@guenther-roetgen.de

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Re: [gentoo-user] Changes in the way USB devices are mounted

[Mick]

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On Tuesday 22 July 2008, Sebastian Günther wrote:
> * Mick (michaelkintzios@gmail.com) [22.07.08 20:08]:
> > Hi All,
> >
> > I suspect that something changed recently on the way that USB devices are
> > mounted.  I noticed that mounting a USB flash drive has stopped working
> > as follows:
>
> No, I think pmount behavior changed:
>
> it now honors entries in the fstab.

I do not have entries in my fstab of USB devices - dbus daemon and hald are 
looking for removable devices by scanning the MoBo's buses (as I understand 
it).

> > $ pmount /dev/sda
> > Error: device /dev/sda is not removable
> > ==================================
>
> Normally you should mount by mountpoint not device node.

Well, pmount would normally create a corresponding 
mountpoint /media/<device_name>, if called upon as:

$ pmount /dev/<device_name>

> > However, clicking on the device in Konqueror under media:/ mounts it
> > happily under /media/disk.  Previously it would mount it under /media/sda
> > and the pmount command would not error out as shown above.
> > ==================================
>
> I think, there is an apropiate entry in the fstab, so pmount has not to
> create an new mountpoint.

No, there's no /dev/sda entry in my fstab:
==================================
$ mount /dev/sda
mount: can't find /dev/sda in /etc/fstab or /etc/mtab
==================================

> > $ mount
> > [snip...]
> > /dev/sda on /media/disk type vfat
> > (rw,nosuid,nodev,noatime,flush,uid=1000,utf8,shortname=lower)
> > ==================================
> >
> > I also noticed that "shortname=lower" is set as the default, which is
> > annoying because the file/folder names are forced to display in lower
> > case.
>
> OK what's in /etc/fstab?

Nothing.

> > I am using dbus and hald with a Fluxbox WM so the default KDE behaviour
> > with the automounting pop up dialog does not work here (unless I have
> > launched the full KDE DE).
>
> Then you should think about ivman if you want automounter support. And
> Fluxbox rocks :-)

Yes, Fluxbox flies even on a PIII, ;-)

I am not bothered about automounting and probably would get on my nerves.  I 
prefer how pmount used to work until recently.
-- 
Regards,
Mick

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[gentoo-user] Re: Changes in the way USB devices are mounted

[Nikos Chantziaras]

Mick wrote:
> I am not bothered about automounting and probably would get on my nerves.  I 
> prefer how pmount used to work until recently.

Ask around the Fluxbox mailing lists/forums how to tweak auto-mounting; 
maybe it just lacks a GUI for those options and you'll have to tweak 
some *.rc file.  For example, in KDE I've set it up so the USB drive 
does *not* get auto-mounted at all if I don't open it in a filemanager 
or right-click its icon on the desktop and selecting "Mount".  It's the 
same as pmount, except with a mouse.

Re: [gentoo-user] Changes in the way USB devices are mounted

[Neil Bothwick]

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On Tue, 22 Jul 2008 23:22:49 +0100, Mick wrote:

> I am not bothered about automounting and probably would get on my
> nerves.  I prefer how pmount used to work until recently.

pmount thinks your drive is not removable, so refuses to allow mounting
for security reasons. The fix is to add it to /etc/pmount.allow.


-- 
Neil Bothwick

Q: Why do PCs - even modern ones - have reset buttons on the front?
A: Because they come with Microsoft operating systems.

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Re: [gentoo-user] Changes in the way USB devices are mounted

[Mick]

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On Wednesday 23 July 2008, Neil Bothwick wrote:
> On Tue, 22 Jul 2008 23:22:49 +0100, Mick wrote:
> > I am not bothered about automounting and probably would get on my
> > nerves.  I prefer how pmount used to work until recently.
>
> pmount thinks your drive is not removable, so refuses to allow mounting
> for security reasons. The fix is to add it to /etc/pmount.allow.

Thanks.  Is this a new feature? Unless my memory fails me I never had to 
edit /etc/pmount.allow previously to be able to pmount/pumount this same 
device.
-- 
Regards,
Mick

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Re: [gentoo-user] Changes in the way USB devices are mounted

[Neil Bothwick]

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On Wed, 23 Jul 2008 08:40:37 +0100, Mick wrote:

> > pmount thinks your drive is not removable, so refuses to allow
> > mounting for security reasons. The fix is to add it
> > to /etc/pmount.allow.  
> 
> Thanks.  Is this a new feature? Unless my memory fails me I never had
> to edit /etc/pmount.allow previously to be able to pmount/pumount this
> same device.

It's been around for ages. This is more likely a HAL change that now
causes this device to be considered non-removable.


-- 
Neil Bothwick

"Bother," said Pooh, when his spliff went out.

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Re: [gentoo-user] Changes in the way USB devices are mounted

[Mick]

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On Wednesday 23 July 2008, Neil Bothwick wrote:
> On Wed, 23 Jul 2008 08:40:37 +0100, Mick wrote:
> > > pmount thinks your drive is not removable, so refuses to allow
> > > mounting for security reasons. The fix is to add it
> > > to /etc/pmount.allow.
> >
> > Thanks.  Is this a new feature? Unless my memory fails me I never had
> > to edit /etc/pmount.allow previously to be able to pmount/pumount this
> > same device.
>
> It's been around for ages. This is more likely a HAL change that now
> causes this device to be considered non-removable.

I haven't updated hal for some time now.  But . . . not sure how to explain 
this - genlop shows that the last time I updated hal was:

Tue Nov 13 20:43:45 2007 >>> sys-apps/hal-0.5.9.1-r3

However, eix -l has a different idea:

Installed versions:  0.5.9.1-r3(06:39:10 04/15/08)(acpi crypt kernel_linux 
pcmcia -debug -dell -disk-partition -doc -kernel_FreeBSD -selinux)

Will it be easier if I also blame kernel 2.6.25-r6 instead?  :p

-- 
Regards,
Mick

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Re: [gentoo-user] Changes in the way USB devices are mounted

[Neil Bothwick]

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On Wed, 23 Jul 2008 21:52:01 +0100, Mick wrote:

> I haven't updated hal for some time now.

What about hal-info?

> But . . . not sure how to
> explain this - genlop shows that the last time I updated hal was:
> 
> Tue Nov 13 20:43:45 2007 >>> sys-apps/hal-0.5.9.1-r3
> 
> However, eix -l has a different idea:
> 
> Installed versions:  0.5.9.1-r3(06:39:10 04/15/08)(acpi crypt
> kernel_linux pcmcia -debug -dell -disk-partition -doc -kernel_FreeBSD
> -selinux)

Curious. 

> Will it be easier if I also blame kernel 2.6.25-r6 instead?  :p

:-|

-- 
Neil Bothwick

Please rotate your phone 90 degrees and try again.

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Re: [gentoo-user] Changes in the way USB devices are mounted

[Mick]

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On Wednesday 23 July 2008, Neil Bothwick wrote:
> On Wed, 23 Jul 2008 21:52:01 +0100, Mick wrote:
> > I haven't updated hal for some time now.
>
> What about hal-info?

Not since 2007 . . . I will be updating my kernel as 2.6.5-gentoo-r7 just came 
out and see if this makes any odds (doubt it, but just in case).
-- 
Regards,
Mick

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Re: [gentoo-user] Changes in the way USB devices are mounted

[Robert Cernansky]

On Tue, 22 Jul 2008 19:03:34 +0100 Mick <michaelkintzios@gmail.com> wrote:

> I suspect that something changed recently on the way that USB devices are 
> mounted.  I noticed that mounting a USB flash drive has stopped working as 
> follows:
[snip]
> $ pmount /dev/sda
> Error: device /dev/sda is not removable

Same problem here after upgrade to 2.6.25-r7. It seems that there is
a bug in sysfsutils: http://bugs.gentoo.org/show_bug.cgi?id=220347.

Robert


-- 
Robert Cernansky
E-mail: hslists2@zoznam.sk
Jabber: hs@jabber.sk