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SubjectRe: Problem with commit "USB: EHCI: remove ASS/PSS polling timeout"
On Tue, 26 Feb 2013, Jean Delvare wrote:

> Hi Alan, Greg,
>
> 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?

> 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?

> As a side note, I am very curious how a commit with comment "I don't
> know if this will actually fix anything" ever made it into a stable
> kernel tree. I thought there were stable kernel tree rules and one of
> them was "it must fix a real bug that bothers people"?

Somebody reported a problem, and I wrote a series of two patches to fix
it. With the two patches together the problem went away, but we never
tried to figure out whether either one of them would have sufficed. I
simply submitted both patches.

Alan Stern



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