[ofa-general] Re: [PATCH 00 of 33] Set of ipath patches for 2.6.22

[Robert Walsh]

Roland Dreier wrote:
>  > BTW: any idea how this ever got triggered?  The only way I can see is
>  > if you're either not using libipathverbs and libibverbs and you just
>  > create the CQ some other way, which seems unlikely.  Do you know how
>  > Jason triggered this bug?
> 
> Yes, it was because he was using 32-bit userspace and so it was
> impossible to libipathverbs to mmap the address the kernel driver was
> looking for.  So the mmap failed and the pending mmap never got taken
> off the list.

Oh, OK.  Got it.  That problem is on my list, too, along with the other 
pending_mmap-related cleanups you suggested.  Hopefully I'll have a 
patch finished tonight.