Intermittent lockups dwl 520 (was Bridging vs. NAT)
Mojo B. Nichols
mojo.nichols at verizon.net
Mon Feb 24 10:43:02 EST 2003
Sorry all, I mean dwl 520 pci.
>>>>> "Mojo" == Mojo B Nichols <mojo.nichols at verizon.net> writes:
> James, Here is what I was able to discover so far.
> I downloaded the latest cvs, and it maybe slightly more reliable, it
> seems so.
> Any way I tracked down the error in the driver specifically in the
> hostap source directory:
> there is the function:
> static void prism2_alloc_ev(struct net_device *dev)
> it calls the following function in two places:
> This function intermittently causes the lockup:-(
> One case is merely to report to the cpu that it was unable to find
> the allocation... so I think it could be left out entirely therefore
> making the driver twice as reliable (my hypothesis anyway). I'm
> going to try that now.
> The only other thing I've found thus far is that in 2002-02-13:
> HFA384_INW(a) was defined as:
> #define HFA384X_INW(a) (u16)__le16_to_cpu(readw(dev->mem_start +
> Interestingly in the latest off of the cvs it is defined as
> #define HFA384X_INW(a) (u16) readw(dev->mem_start + (a))
> and the related....
> #define HFA384X_INW_DATA(a) (u16) le16_to_cpu(readw(dev->mem_start +
> I'm cc'ing to hostap list as this may perk the interest of some one
> far more knowledgeable them myself, and get us some qualified
> help:-) That said, I don't mind the card being flaky, but when it
> causes the machine (I work on this machine) to lockup it can be
> quite annoying. So if there is some way to prevent the lockup that
> would be great even if it meant losing the connection.
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