Re: Hotplug USB

[LeVA <leva@az.isten.hu>]

2004. január 18. 10:57 dátummal Andrew Neillans ezt írta:
> Hi all,
>
> I am trying to get hotplugging of usb going, so that when I connect a
> usb-storage device, it is automatically mounted, and an icon dropped
> on my desktop -- when the device is removed, it gets cleared up.
>
> So far I am just trying to get it to behave using the command line,
> but I have noticed something odd in the logs.
>
> Jan 18 09:53:44 debian-laptop kernel: hub 2-0:1.0: new USB device on
> port 1, assigned address 2
> Jan 18 09:53:44 debian-laptop kernel: SCSI subsystem initialized
> Jan 18 09:53:44 debian-laptop kernel: Initializing USB Mass Storage
> driver... Jan 18 09:53:45 debian-laptop kernel: scsi0 : SCSI
> emulation for USB Mass Storage devices
> Jan 18 09:53:47 debian-laptop kernel:   Vendor: HITACHI_  Model:
> DK23CA-30 Rev:  0 0
> Jan 18 09:53:47 debian-laptop kernel:   Type:   Direct-Access
> ANSI SCSI revision: 02
> Jan 18 09:53:47 debian-laptop kernel: drivers/usb/core/usb.c:
> registered new driver usb-storage
> Jan 18 09:53:47 debian-laptop kernel: USB Mass Storage support
> registered. Jan 18 09:53:47 debian-laptop scsi.agent[987]: bogus
> sysfs DEVPATH=/devices/
> pci0000:00/0000:00:0b.0/usb2/2-1/2-1:1.0/host0/0:0:0:0
>
> Why is scsi.agent from hotplug running? Surely it should be usb.agent
> running? I have a script setup for usb, but not scsi ...
>
> If I fdisk -l /dev/sda I get the correct partition table list..
>
> So, is that scsi.agent ok to be ignored?

You access your pen-drive thru scsi emulation as you can see in that log 
("SCSI emulation for USB Mass Storage devices"). That is why you are 
mounting the /dev/sda* devices. You need sd_mod modules for this. And 
this module is SCSI disk support in the kernel. You can safely ignore 
that line.

Daniel

>
> Andy

-- 
LeVA