Johannes Erdfelt wrote:
> On Thu, Mar 29, 2001, Tony Hoyle <[EMAIL PROTECTED]> wrote:
>
>> Johannes Erdfelt wrote:
>>
>>
>>> I have a new version of my uhci.c patch. Here's the list of changes:
>>>
>>> - Fixed bulk urb queuing!
>>
>> Will this make things work in SMP again? It's a pain having to boot a
>> UP kernel just because app decides to submit an urb...
>
>
> Umm, uhci.c always worked in SMP as far as I can tell. That's where I do
> most of my testing.
>
> Or are you talking about the userspace deadlock issue that was
> mentioned?
>
If you run the -ac kernels with spinlock debugging on, you get a very nasty oops
within uhci.c
(uhci_submit_urb) when you terminate a userspace call. I expected the
oops to be elsewhere... I haven't tracked down the lockup yet.
Tony
--
Where a calculator on the ENIAC is equpped with 18,000 vaccuum
tubes and weighs 30 tons, computers in the future may have only
1,000 vaccuum tubes and perhaps weigh 1 1\2 tons.
-- Popular Mechanics, March 1949
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