linux-kernel - Re: USB disconnects every 30 seconds (2.6.27-rc8)

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 for Android: free password hash cracker in your pocket

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

Message-ID: <Pine.LNX.4.44L0.0810051509110.32325-100000@netrider.rowland.org>
Date:	Sun, 5 Oct 2008 15:16:28 -0400 (EDT)
From:	Alan Stern <stern@...land.harvard.edu>
To:	Dave Hansen <dave@...1.net>
cc:	Thomas Gleixner <tglx@...utronix.de>, gregkh <gregkh@...e.de>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	USB list <linux-usb@...r.kernel.org>
Subject: Re: USB disconnects every 30 seconds (2.6.27-rc8)

On Sun, 5 Oct 2008, Dave Hansen wrote:

> On Sat, 2008-10-04 at 14:12 -0400, Alan Stern wrote:
> > > Oct  3 16:01:59 nimitz kernel: [  180.273883] usb usb7: opened by process 6485: hald-addon-usb-
> > > Oct  3 16:01:59 nimitz kernel: [  180.273894] usb usb7: usbdev_ioctl: CONNECTINFO
> > > Oct  3 16:01:59 nimitz kernel: [  180.273935] usb usb7: opened by process 6485: hald-addon-usb-
> > > Oct  3 16:01:59 nimitz kernel: [  180.273940] usb usb7: usbdev_ioctl: IOCTL
> > > Oct  3 16:01:59 nimitz kernel: [  180.392126] usb 3-4: opened by process 6485: hald-addon-usb-
> > > Oct  3 16:01:59 nimitz kernel: [  180.393185] usb 3-4.3: USB disconnect, address 16
> > > Oct  3 16:01:59 nimitz kernel: [  180.393191] usb 3-4.3.4: USB disconnect, address 17
> > > Oct  3 16:01:59 nimitz kernel: [  180.437913] usb 3-4.3: new high speed USB device using ehci_hcd and address 18
> > > Oct  3 16:01:59 nimitz kernel: [  180.494705] usb 3-4.3: configuration #1 chosen from 1 choice
> > > Oct  3 16:01:59 nimitz kernel: [  180.495101] hub 3-4.3:1.0: USB hub found
> > > Oct  3 16:01:59 nimitz kernel: [  180.495409] hub 3-4.3:1.0: 4 ports detected
> > > Oct  3 16:01:59 nimitz kernel: [  180.600101] usb 3-4: usbdev_ioctl: CONNECTINFO
> > > Oct  3 16:01:59 nimitz kernel: [  180.600144] usb usb3: opened by process 6485: hald-addon-usb-
> > > Oct  3 16:01:59 nimitz kernel: [  180.600147] usb usb3: usbdev_ioctl: CONNECTINFO
> > > Oct  3 16:01:59 nimitz kernel: [  180.600167] usb 3-4: opened by process 6485: hald-addon-usb-
> > > Oct  3 16:01:59 nimitz kernel: [  180.600170] usb 3-4: usbdev_ioctl: IOCTL
> > 
> > Without a usbmon log, I can't tell what may still be going wrong.
> 
> This log should have recorded what was going on there.  Was there
> something else that I should be capturing with usbmon that I missed?
> 
> http://sr71.net/~dave/linux/1.mon.out

That file is the usbmon log from back on Friday.  I need to see the
usbmon log you get with the timing fix installed.  Was that not clear?  
Without the log, I can't tell why the disconnects continue to occur
even though the timing fix should have eliminated them.

Alan Stern

--
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/