Re: Problem with commit "USB: EHCI: remove ASS/PSS polling timeout"

[Jean Delvare <khali@linux-fr.org>]

Hi Alan,

On Tue, 26 Feb 2013 13:21:30 -0500 (EST), Alan Stern wrote:
> On Tue, 26 Feb 2013, Jean Delvare wrote:
> > Since kernel 3.7.7, my Hauppauge Nova-T 500 Dual DVB-T TV card stopped
> > working reliably. Half of the boots it will work, the other half it
> > won't, with different error messages. For example
> 
> Yes, I know.  Other people have already reported the same problem -- 
> but only for EHCI controllers made by VIA.  Do you also have a VIA EHCI 
> controller?

Yes, VIA VT6212L:

01:04.0 USB Controller [0c03]: VIA Technologies, Inc. VT82xxxxx UHCI USB 1.1 Controller [1106:3038] (rev 62)
01:04.1 USB Controller [0c03]: VIA Technologies, Inc. VT82xxxxx UHCI USB 1.1 Controller [1106:3038] (rev 62)
01:04.2 USB Controller [0c03]: VIA Technologies, Inc. USB 2.0 [1106:3104] (rev 65)

> > So please revert this commit upstream as well as in 3.8 and 3.7 stable
> > kernel series.
> 
> I intend to as soon as the current merge window closes.
> 
> Or should I do it sooner?  Greg, if I send in a reversion patch now, 
> will it get pushed to Linus within the merge window?

I see no reason to delay it. The merge window is when more patches are
allowed to go in, not fewer. When a commit caused a regression in a
stable kernel series, the right time to get it fixed is "as soon as
possible."

Thanks,
-- 
Jean Delvare