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July 2005

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Subject:
From:
Bill Feero <[log in to unmask]>
Reply To:
Bill Feero <[log in to unmask]>
Date:
Wed, 13 Jul 2005 14:10:47 -0400
Content-Type:
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text/plain (87 lines)
I'm rebuilding the kernel to remove ub.

Is there any way to use usb-storage without rebuilding? I compiled the usb options as modules, so I already
have usb-storage as a module.
I don't know the new 2.6 module & udev configuration files well enough to disable ub and get usb-storage to take over.

I tried adding the line
install ub /bin/true
to modprobe.conf, but nothing happend when I inserted the flashdisk.

any thoughts?

Bill


On Wednesday 13 July 2005 12:56 pm, Stephen J. Gowdy wrote:
> I'd remove ub from your system, it is the low performance USB driver. You
> should use usb-storage.
> 
> On Wed, 13 Jul 2005, Bill Feero wrote:
> 
> > I'm running SL 4.0, and kernel version 2.6.9-11
> >
> > When I plug in my USB flash disk, I get a constant    kernel: uba: was not changed
> > in the log files. (device is not mounted)
> >
> > When I unplug the flash disk, I get a kernel panic
> > Kernel panic - not syncing: drivers/block/ub.c:813: spin_is_locked on uninitialized spinlock da8b5000.
> >
> > Is there a fix for this?
> >
> >
> > log file snippet follows
> >
> > Jul 13 11:49:42 bfdcs kernel: ehci_hcd 0000:00:13.2: GetStatus port 2 status 001803 POWER sig=j  CSC CONNECT
> > Jul 13 11:49:42 bfdcs kernel: hub 1-0:1.0: port 2, status 0501, change 0001, 480 Mb/s
> > Jul 13 11:49:42 bfdcs kernel: hub 1-0:1.0: debounce: port 2: total 100ms stable 100ms status 0x501
> > Jul 13 11:49:42 bfdcs kernel: hub 1-0:1.0: port 2 not reset yet, waiting 50ms
> > Jul 13 11:49:42 bfdcs kernel: ehci_hcd 0000:00:13.2: port 2 high speed
> > Jul 13 11:49:42 bfdcs kernel: ehci_hcd 0000:00:13.2: GetStatus port 2 status 001005 POWER sig=se0  PE CONNECT
> > Jul 13 11:49:42 bfdcs kernel: usb 1-2: new high speed USB device using address 2
> > Jul 13 11:49:42 bfdcs kernel: ehci_hcd 0000:00:13.2: devpath 2 ep0out 3strikes
> > Jul 13 11:49:42 bfdcs kernel: usb 1-2: new device strings: Mfr=1, Product=2, SerialNumber=3
> > Jul 13 11:49:42 bfdcs kernel: usb 1-2: default language 0x0409
> > Jul 13 11:49:42 bfdcs kernel: usb 1-2: Product: USB 2.0 FD
> > Jul 13 11:49:42 bfdcs kernel: usb 1-2: Manufacturer: PNY
> > Jul 13 11:49:42 bfdcs kernel: usb 1-2: SerialNumber: 6E530700174E
> > Jul 13 11:49:42 bfdcs kernel: usb 1-2: hotplug
> > Jul 13 11:49:42 bfdcs kernel: usb 1-2: adding 1-2:1.0 (config #1, interface 0)
> > Jul 13 11:49:42 bfdcs kernel: usb 1-2:1.0: hotplug
> > Jul 13 11:49:42 bfdcs kernel: ub: sizeof ub_scsi_cmd 60 ub_dev 1020
> > Jul 13 11:49:42 bfdcs kernel: ub 1-2:1.0: usb_probe_interface
> > Jul 13 11:49:42 bfdcs kernel: ub 1-2:1.0: usb_probe_interface - got id
> > Jul 13 11:49:43 bfdcs kernel: uba: device 2 capacity nsec 1003520 bsize 512
> > Jul 13 11:49:43 bfdcs kernel: uba: was not changed
> > Jul 13 11:49:43 bfdcs kernel:  uba: uba1
> > Jul 13 11:49:43 bfdcs kernel: usbcore: registered new driver ub
> > Jul 13 11:49:43 bfdcs kernel: uba: was not changed
> > Jul 13 11:49:55 bfdcs last message repeated 10 times
> > Jul 13 11:49:56 bfdcs kernel: ehci_hcd 0000:00:13.2: GetStatus port 2 status 001002 POWER sig=se0  CSC
> > Jul 13 11:49:56 bfdcs kernel: hub 1-0:1.0: port 2, status 0100, change 0001, 12 Mb/s
> > Jul 13 11:49:56 bfdcs kernel: usb 1-2: USB disconnect, address 2
> > Jul 13 11:49:56 bfdcs kernel: usb 1-2: usb_disable_device nuking all URBs
> > Jul 13 11:49:56 bfdcs kernel: usb 1-2: unregistering interface 1-2:1.0
> > Jul 13 11:49:56 bfdcs kernel: usb 1-2:1.0: hotplug
> > Jul 13 11:49:56 bfdcs kernel: usb 1-2: unregistering device
> > Jul 13 11:49:56 bfdcs kernel: usb 1-2: hotplug
> > Jul 13 11:49:56 bfdcs kernel: hub 1-0:1.0: debounce: port 2: total 100ms stable 100ms status 0x100
> >
> > Kernel panic - not syncing: drivers/block/ub.c:813: spin_is_locked on uninitialized spinlock da8b5000.
> >
> >
> 
> --
>  /------------------------------------+-------------------------\
> |Stephen J. Gowdy                     | SLAC, MailStop 34,       |
> |http://www.slac.stanford.edu/~gowdy/ | 2575 Sand Hill Road,     |
> |http://calendar.yahoo.com/gowdy      | Menlo Park CA 94025, USA |
> |EMail: [log in to unmask]       | Tel: +1 650 926 3144     |
>  \------------------------------------+-------------------------/
> 
> 

-- 
Bill Feero
Logical Solutions, Inc.

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