[OpenAFS-devel] Re: System lockup with do_IRQ: stack overflow (SOMEWHAT RESOLVED)

[Jeffrey Hutzelman]

On Monday, February 26, 2007 07:05:41 PM +0100 Axel Thimm 
<Axel.Thimm@ATrpms.net> wrote:

> On Mon, Feb 26, 2007 at 05:40:06PM +0100, Daniel J. Priem wrote:
>> > For your reference, I'm running a:
>> > AMD Athlon(tm) 64 Processor 3000+ with 32bit RHEL5 (and 32bit FC6). The
>>
>> i think the 64bit is the problem here.
>
> He's running it in 32 bit mode, so openafs sees no 64bits.
>
> But if he were running with 64 bit kernel/openafs on the system, then
> he probably wouldn't have stack issues to start with, as the default
> stack on 64bit FC/RHEL is 8k (or even 16k?).

I think it's 8k, but I don't have one handy to check.
But all the registers are twice as big, too, and there are more of them.