linux-kernel - Re: software unplug and plug USB

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Mon, 01 Oct 2007 12:04:57 +0200
From:	Tomasz Chmielewski <mangoo@...g.org>
To:	Miguel <mc354@....es>
Cc:	LKML <linux-kernel@...r.kernel.org>
Subject: Re: software unplug and plug USB

Miguel schrieb:
> I also have a mobile phone connected, a gps and a keyboard, i do the
> following:
> 
> 
> ecar@...r:~$ lsmod | grep usb
> usbserial              29928  1 pl2303
> usbtouchscreen          8708  0 
> usbcore               130304  7
> libusual,pl2303,usbserial,usbtouchscreen,ehci_hcd,uhci_hcd
> ecar@...r:~$ rmmod pl2303
> ERROR: Removing 'pl2303': Operation not permitted
> ecar@...r:~$ sudo rmmod pl2303
> ecar@...r:~$ sudo rmmod usbserial

  Only then It's not enough. You also have to remove ehci_hcd / uhci_hcd 
/ ohci_hcd.the device will be powered off (unless the method described 
in the link given by Jiri Slaby powers the device off, too).


> ecar@...r:~$ modprobe usbserial
> FATAL: Error inserting usbserial
> (/lib/modules/2.6.17-11-386/kernel/drivers/usb/serial/usbserial.ko):
> Operation not permitted
> (reverse-i-search)`mod': cd backup_modules/

cd backup_modules/? Where do you keep your modules?


-- 
Tomasz Chmielewski
http://blog.wpkg.org
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/