Re: Need help for hardware bug in Intel's EHCI implementation

2012-12-14 Thread Alan Stern
On Wed, 12 Dec 2012, Alan Stern wrote: > > Nehalem seems to be a particular CPU from 2008. ICH9 came out in 2007. > > So I guess your hardware is a year older than what the devs are looking > > for. I would suggest you test on the newer box anyway. > > I just finished the test. The ICH9 system

Re: Need help for hardware bug in Intel's EHCI implementation

2012-12-12 Thread Alan Stern
On Mon, 10 Dec 2012, Sarah Sharp wrote: > > > Ok. The hardware devs are asking if this problem is hit on newer > > > hardware. They think that most of the kinks in the EHCI host should > > > have been worked out by the Nehalem generation. Do you have access to a > > > newer EHCI system? If not

Re: Need help for hardware bug in Intel's EHCI implementation

2012-12-10 Thread Sarah Sharp
On Mon, Dec 10, 2012 at 02:35:02PM -0500, Alan Stern wrote: > On Mon, 10 Dec 2012, Sarah Sharp wrote: > > > > > Sure, I'll try to track the right hardware person down. I'm afraid they > > > > might not be able to help, because they may not remember hardware that > > > > is > > > > that old. :-/

Re: Need help for hardware bug in Intel's EHCI implementation

2012-12-10 Thread Alan Stern
On Mon, 10 Dec 2012, Sarah Sharp wrote: > > > Sure, I'll try to track the right hardware person down. I'm afraid they > > > might not be able to help, because they may not remember hardware that is > > > that old. :-/ > > > > For all I know, newer hardware might behave the same way. It's easy

Re: Need help for hardware bug in Intel's EHCI implementation

2012-12-10 Thread Sarah Sharp
On Sat, Dec 08, 2012 at 11:02:00PM -0500, Alan Stern wrote: > On Fri, 7 Dec 2012, Sarah Sharp wrote: > > > On Fri, Dec 07, 2012 at 05:51:55PM -0500, Alan Stern wrote: > > > Sarah: > > > > > > I just tracked down a tricky problem, which appears to be caused by a > > > genuine hardware bug. It's h

Re: Need help for hardware bug in Intel's EHCI implementation

2012-12-08 Thread Alan Stern
On Fri, 7 Dec 2012, Sarah Sharp wrote: > On Fri, Dec 07, 2012 at 05:51:55PM -0500, Alan Stern wrote: > > Sarah: > > > > I just tracked down a tricky problem, which appears to be caused by a > > genuine hardware bug. It's hard to believe this has escaped everyone's > > notice for so many years --

Re: Need help for hardware bug in Intel's EHCI implementation

2012-12-07 Thread Sarah Sharp
On Fri, Dec 07, 2012 at 05:51:55PM -0500, Alan Stern wrote: > Sarah: > > I just tracked down a tricky problem, which appears to be caused by a > genuine hardware bug. It's hard to believe this has escaped everyone's > notice for so many years -- maybe my results are wrong. But as far as > I can

Need help for hardware bug in Intel's EHCI implementation

2012-12-07 Thread Alan Stern
Sarah: I just tracked down a tricky problem, which appears to be caused by a genuine hardware bug. It's hard to believe this has escaped everyone's notice for so many years -- maybe my results are wrong. But as far as I can tell, they aren't. Anyway, I don't know what to do about it. Can you f