From mboxrd@z Thu Jan  1 00:00:00 1970
From: Greg KH <greg@kroah.com>
Date: Fri, 30 Mar 2007 14:26:26 +0000
Subject: Re: Issues with SCSI modules.
Message-Id: <20070330142626.GA23085@kroah.com>
List-Id: <linux-hotplug.vger.kernel.org>
References: <C5065F118AFB3D478B052FC1E9810D9C389C4E@tec-mail.ttec.soc-soft.com>
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To: linux-hotplug@vger.kernel.org

On Fri, Mar 30, 2007 at 05:55:15PM +0530, Krishna Prasad G. wrote:
> Hi,
>=20
> =20
>=20
> This is regarding SCSI kernel modules (scsi_mod, sd_mod - disk modules).
>=20
> =20
>=20
> System Configuration:
>=20
> ------------------------------
>=20
> =20
>=20
> Kernel: 2.6.14.3 ppc GNU/Linux
>=20
> OS: Debian GNU/Linux 3.1
>=20
> UDEV version: 056
>=20
> =20
>=20
> On inserting USB Mass Storage Device following messages are generated
> (/var/log/messages):
>=20
> =20
>=20
> Dec 16 16:24:04 kernel: [ 2480.307174] scsi0 : SCSI emulation for USB
> Mass Storage devices
>=20
> Dec 16 16:24:09 kernel: [ 2485.324002]   Vendor: sz.zeyan  Model: USB
> Flash Drive   Rev: %%z!Y
>=20
> Dec 16 16:24:09 kernel: [ 2485.334402]   Type:   Direct-Access
> ANSI SCSI revision: 02
>=20
> Dec 16 16:24:09 kernel: [ 2485.365767] SCSI device sda: 257280 512-byte
> hdwr sectors (132 MB)
>=20
> Dec 16 16:24:09 kernel: [ 2485.376937] sda: Write Protect is off
>=20
> Dec 16 16:24:09 kernel: [ 2485.411969] SCSI device sda: 257280 512-byte
> hdwr sectors (132 MB)
>=20
> Dec 16 16:24:09 kernel: [ 2485.422894] sda: Write Protect is off
>=20
> Dec 16 16:24:09 kernel: [ 2485.431777]  sda: sda1
>=20
> Dec 16 16:24:09 kernel: [ 2485.445774] Attached scsi removable disk sda
> at scsi0, channel 0, id 0, lun 0
>=20
> Dec 16 16:24:10 scsi.agent[3897]:      sd_mod: can't be loaded (for
> disk)
>=20
> =20
>=20
> I am not able to get "add" event from /etc/udev/rules.d/udev.rules!!

Why not?  Have you run udevmonitor to see if you are?

> Please take a look at last line. I think without having this module
> (sd_mod.ko) SCSI disk support is not possible.

Then build that module :)

But odds are, you have build scsi disk support into your kernel, which
based on the log file, looks to be true.

So I don't see the problem here, your disk is being discovered just
fine.  What is wrong?

thanks,

greg k-h

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