linux-kernel - Re: USB memory card reader and 64MB SD card

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Date:	Sat, 10 Jan 2009 17:55:33 -0600
From:	Robert Hancock <hancockr@...w.ca>
To:	RHubbell@...bbell.com
CC:	linux-kernel@...r.kernel.org
Subject: Re: USB memory card reader and 64MB SD card - 2.6.28-git14

rhubbell wrote:
> (Please CC me in replie,s if it's not too much trouble.)
> 
> I had this issue with previous kernels, but I don't know when the
> problem
> started. I once was able to read this card.
> 
> Not sure what filesystems are on either card, not sure if it matters.
> The cards are not mounted automatically so I am guessing that the
> file system doesn't become an issue until mount time.
> 
> The device is a Phison 6-in-1 and has no problems with
> other cards.
> 
> When inserted this card causes no problems:
> 
> This is a 128MB card:
> 
> Jan 10 10:47:06  kernel:  uba: uba1

Looks like your kernel is configured to use the ub "low performance USB 
storage" driver, you could try the normal USB storage driver instead..

> 
> 
> When the next card is inserted the keyboard partially locks up, the
> special laptop keys work still.
> e.g. the fn-contrast up/dn works still but not other keys work
> 
> Removing the card returns things to as before insertion.
> 
> This is a 64MB card from a phone:
> 
> Jan 10 10:54:44  kernel:  ubc: ubc1
> Jan 10 10:54:44  kernel: usb 3-1: reset full speed USB device using
> ohci_hcd and address 4
> Jan 10 10:54:51  kernel: usb 3-1: reset full speed USB device using
> ohci_hcd and address 4
> Jan 10 10:54:52  kernel: __ratelimit: 22 callbacks suppressed
> Jan 10 10:55:00  kernel: usb 3-1: reset full speed USB device using
> ohci_hcd and address 4
> Jan 10 10:55:16  kernel:  ubc: ubc1
> Jan 10 10:55:16  kernel: usb 3-1: reset full speed USB device using
> ohci_hcd and address 4
> Jan 10 10:55:23  kernel: usb 3-1: reset full speed USB device using
> ohci_hcd and address 4
> Jan 10 10:55:24  kernel: __ratelimit: 9 callbacks suppressed
> Jan 10 10:55:32  kernel: usb 3-1: reset full speed USB device using
> ohci_hcd and address 4
> Jan 10 10:55:56  kernel: usb 3-1: reset full speed USB device using
> ohci_hcd and address 4
> Jan 10 10:56:44  kernel:  ubc: ubc1
> Jan 10 10:56:44  kernel: usb 3-1: reset full speed USB device using
> ohci_hcd and address 4
> Jan 10 10:56:51  kernel: usb 3-1: reset full speed USB device using
> ohci_hcd and address 4
> Jan 10 10:56:52  kernel: __ratelimit: 22 callbacks suppressed
> Jan 10 10:57:00  kernel: usb 3-1: reset full speed USB device using
> ohci_hcd and address 4
> 
> lspci:
> 
> 00:02.0 USB Controller: nVidia Corporation nForce3 USB 1.1 (rev a5)
> 00:02.1 USB Controller: nVidia Corporation nForce3 USB 1.1 (rev a5)
> 00:02.2 USB Controller: nVidia Corporation nForce3 USB 2.0 (rev a2)
> 
> 

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