umass regression

[Hans Petter Selasky]

On Saturday 31 December 2011 13:44:37 Bartosz Fabianowski wrote:
> > Try to set the no synchronize cache quirk. Then reattach your device. It
> > might be the msctest which is causing your problem!
> 
> I tried setting the quirk just for the device but I failed to find the
> right magic numbers. The device shows up as:
> 
> <vendor 0x091e product 0x23c0, class 0/0, rev 1.10/5.09, addr 5>
> 
> So I tried the following:
> 
> usbconfig add_dev_quirk_vplh 0x091e 0x23c0 0x0509 0x0110
> UQ_MSC_NO_SYNC_CACHE
> 
> On re-attach, I see an unchanged quirks = 0x4000.
> 
> I then tried setting the quirk globally:
> 
> usbconfig add_quirk UQ_MSC_NO_SYNC_CACHE

^^ 

Set "-d ugenX.Y" first. Then add quirk. Then re-plug.

> 
> On re-attach, I see an unchanged quirks = 0x4000.

The quirk mask should be the same, only there should be two luns.

Else enable umass and usb debuggin, and "dmesg | grep -i lun"

> 
> How do I make the quirk actually stick?

--HPS