When I plug my pendrive, script runs twice

When I plug my pendrive, script runs twice

[Toni Mirabete i Terés]

When I start udevmonitor, I see UEVENT and UDEV with the same device inserted. 
How I can ignore UEVENT? 
My desktop is updated twice, is not a great problem, but I don't like this.

Another problem is when I remove my scanner, the same rule doesn't work with 
my scanner, and runs good with pendrives. There is no problem adding my 
scanner, only when is removed.

And finally when I insert my pendrive it takes four seconds to activate it. 
It's normal or perhaps is about USB bus.



I use kernel 2.6.13 and udev 070. I send my file (catix.rules):




Thanks  

I think that udev is good and will be great with more documentation and 
examples.






#catix.rules

# Regles per poder tenir dispositius usb situats a l'escriptori automaticament 
a la CATix 

# Pendrive o memoria usb
ACTION="add" , KERNEL="[us][bd][a-z]*", RUN+="/etc/udev/scripts/catixusb.sh %k 
add"
ACTION="remove" , KERNEL="[us][bd][a-z]*", RUN+="/etc/udev/scripts/catixusb.sh 
%k remove"

# Escannner
ACTION="add" , SYSFS{product}="*[Ss][Cc][Aa][Nn]*" , 
ENV{MY_REMOVE}="/etc/udev/scripts/catixescanner.sh remove" ,  
RUN+="/etc/udev/scripts/catixescanner.sh add"
ACTION="remove" ,  ENV{MY_REMOVE}!="", RUN+="$env{MY_REMOVE}"


# Aixo tambe funciona i ho deixo per curios
# ACTION="add", KERNEL="[us][bd][a-z]*", 
ENV{MY_REMOVE}="/etc/udev/scripts/catixusb.sh %k remove", 
RUN+="/etc/udev/scripts/catixusb.sh %k add"
# ACTION="remove", ENV{MY_REMOVE}!="", RUN+="$env{MY_REMOVE}"


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Re: When I plug my pendrive, script runs twice

[Greg KH]

On Tue, Sep 20, 2005 at 03:52:56AM +0200, Toni Mirabete i Ter?s wrote:
> When I start udevmonitor, I see UEVENT and UDEV with the same device inserted. 

Are you sure?  It's probably the usb device, and then the usb interface
being created, right?  Care to post your actual events?

> Another problem is when I remove my scanner, the same rule doesn't work with 
> my scanner, and runs good with pendrives.

Why would the same rule match both types of devices?

> There is no problem adding my scanner, only when is removed.
> 
> And finally when I insert my pendrive it takes four seconds to activate it. 
> It's normal or perhaps is about USB bus.

That's due to the delay in the usb-storage driver.  It's a module
paramater if you wish to shorten it.

thanks,

greg k-h


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Re: When I plug my pendrive, script runs twice

[Greg KH]

On Tue, Sep 20, 2005 at 02:26:52AM -0700, Greg KH wrote:
> On Tue, Sep 20, 2005 at 03:52:56AM +0200, Toni Mirabete i Ter?s wrote:
> > When I start udevmonitor, I see UEVENT and UDEV with the same device inserted. 
> 
> Are you sure?  It's probably the usb device, and then the usb interface
> being created, right?  Care to post your actual events?

Sorry, I was wrong here, the UEVENT and UDEV events are the same thing,
they aren't two different events, that's just a debugging tool to show
how udev is working.  Thanks to Kay for pointing this out.

greg k-h


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Re: When I plug my pendrive, script runs twice

[Toni Mirabete i Terés]

[-- Attachment #1: Type: text/plain, Size: 1862 bytes --]

Thanks for your help. My scripts had one error and run for usb device and usb 
interface, but I thought that it was cause of two events seen when I make 
udevmonitor (UEVENT and UDEV).

I send you the files of the scripts, maybe that they interest anybody. They 
serve to show icons for the pendrive and connected scanners on the users 
desks with X sessions on the local machine. I know KDE can make this, but I 
prefer make this myself because I can control names and others things.

Still there is an error on disconnecting the scanner. It does not work. It has 
to be an error in the file catix.rules. I will look if I can find it.

Toni Mirabete 

 
 
 


A Dimarts, 20 de Setembre de 2005 14:55, Greg KH va escriure:
> On Tue, Sep 20, 2005 at 02:26:52AM -0700, Greg KH wrote:
> > On Tue, Sep 20, 2005 at 03:52:56AM +0200, Toni Mirabete i Ter?s wrote:
> > > When I start udevmonitor, I see UEVENT and UDEV with the same device
> > > inserted.
> >
> > Are you sure?  It's probably the usb device, and then the usb interface
> > being created, right?  Care to post your actual events?
>
> Sorry, I was wrong here, the UEVENT and UDEV events are the same thing,
> they aren't two different events, that's just a debugging tool to show
> how udev is working.  Thanks to Kay for pointing this out.
>
> greg k-h
>
>
> -------------------------------------------------------
> SF.Net email is sponsored by:
> Tame your development challenges with Apache's Geronimo App Server.
> Download it for free - -and be entered to win a 42" plasma tv or your very
> own Sony(tm)PSP.  Click here to play: http://sourceforge.net/geronimo.php
> _______________________________________________
> Linux-hotplug-devel mailing list  http://linux-hotplug.sourceforge.net
> Linux-hotplug-devel@lists.sourceforge.net
> https://lists.sourceforge.net/lists/listinfo/linux-hotplug-devel

[-- Attachment #2: catix.rules --]
[-- Type: text/plain, Size: 903 bytes --]

# Regles per poder tenir dispositius usb situats a l'escriptori automàticament a la CATix 

# Pendrive o memòria usb
ACTION="add" , KERNEL="[us][bd][a-z]*", RUN+="/etc/udev/scripts/catixusb.sh %k add"
ACTION="remove" , KERNEL="[us][bd][a-z]*", RUN+="/etc/udev/scripts/catixusb.sh %k remove"

# Escànner
ACTION="add" , SYSFS{product}=="*[Ss][Cc][Aa][Nn]*" , ENV{MY_REMOVE}="/etc/udev/scripts/catixusb.sh remove %b", RUN+="/etc/udev/scripts/catixescanner.sh add %b"
ACTION="remove" ,  ENV{MY_REMOVE}!="", RUN+="$env{MY_REMOVE}"
#ACTION="remove" , SYSFS{product}=="*[Ss][Cc][Aa][Nn]*" , RUN+="/etc/udev/scripts/catixescanner.sh remove %b"


# Això també funciona i ho deixo per curiós
# ACTION=="add", KERNEL=="[us][bd][a-z]*", ENV{MY_REMOVE}="/etc/udev/scripts/catixusb.sh %k remove", RUN+="/etc/udev/scripts/catixusb.sh %k add"
# ACTION=="remove", ENV{MY_REMOVE}!="", RUN+="$env{MY_REMOVE}"

[-- Attachment #3: catixescanner.sh --]
[-- Type: application/x-shellscript, Size: 1468 bytes --]

[-- Attachment #4: catixusb.sh --]
[-- Type: application/x-shellscript, Size: 2898 bytes --]