On Fri, Jun 08, 2012 at 03:10:13PM +0200, Gerd Hoffmann wrote:
> On 06/08/12 14:37, Josh Boyer wrote:
> > On Fri, Jun 08, 2012 at 02:26:45PM +0200, Gerd Hoffmann wrote:
> >>   Hi,
> >>
> >> Any specific reason why CONFIG_USB_UAS is not enabled?
> >> If not, can it be enabled please (rawhide & f17)?
> > 
> > It caused a number of people's machines to panic or not function
> > properly a while ago.  We have it enabled in rawhide when the debug
> > options are set.
> 
> "we have" as in "just flipped the switch"?

No.

> The kernels currently in the rawhide repo don't have this set ...
> 
> [root@fedora ~]# grep USB_UAS /boot/config-3.*
> /boot/config-3.3.4-5.fc17.x86_64:# CONFIG_USB_UAS is not set
> /boot/config-3.4.0-1.fc17.x86_64:# CONFIG_USB_UAS is not set
> /boot/config-3.5.0-0.rc1.git0.1.fc18.x86_64:# CONFIG_USB_UAS is not set
> /boot/config-3.5.0-0.rc1.git0.1.fc18.x86_64.debug:# CONFIG_USB_UAS is
> not set

That's because the rawhide kernel you have installed is a 'release'
kernel.  The kernel before that (3.5.0-0.rc0.git12 or something) is a
debug kernel and will have UAS enabled.  The next git snapshot of
3.5.0-rc1 will also have it enabled.

We build one non-debug kernel in rawhide per RC release.  You just
happened to hit it.

josh
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