[OpenAFS-devel] OpenAFS-1.2.x and HPUX

[Douglas E. Engert]

Derrick J Brashear wrote:
> 
> > I have reapplied all the patches I had for HPUX to the
> > openafs-1.2.x-rc0 snapshot. It complies on hp_ux110, hp_ux11i
> > and ia64_hpux1122
> >
> > See:
> >
> > /afs/anl.gov/usr/ctd/b17783/pub/openafs.1.2.x-rc0-HPUX.diffs.20030522
> 
> Thank you. I have only one "concern", this change in lwp.h:
> +
> + /*
> +  * On ia64 where the ucontext is used, it can be an extra 48K
> +  * Need to account for this.  There might be two of these on the
> +  * stack too. This needs to be checked.
> +  */
> + #if defined(USE_UCONTEXT) && defined(HAVE_UCONTEXT_H)
> + #define AFS_LWP_MINSTACKSIZE  (288 * 1024)
> + #else
>   #if defined(AFS_LINUX22_ENV)
>   #define AFS_LWP_MINSTACKSIZE  (192 * 1024)
>   #else
>   #define AFS_LWP_MINSTACKSIZE  (48 * 1024)
> + #endif
>   #endif
> 
> Have you observed a problem for anything other than HP-UX? 

The best I can tell the IA64 context is 48K, and the LWP saves it on the stack.
So this chnage should be on any IA64 system. I saw this early on, so increased
the stack sive, but have no realy data. I don't have any other ia64 systems to check. 


If not, why
> increase the minimum stack size elsewhere? I guess that's really only ia64
> Linux, and now Linux on the Opteron, and it's probably not worth worrying
> about.

I would say yes, and it should not hurt if the stack is larger then it needs to be. 

> 
> > I would appreciate it if these mods could be added to the 1.2.x release
> > soon. Most of the change I had to make where to configure and parm
> > files, not to the source. If you add these I will continue to test the
> > next RC, and can even produce a distribution for one of more of these
> > platforms.
> 
> Excellent. It's sort of unfortunate that 1.2.10 won't support any BSDs,
> but soon, at least, we will have releases for those also. All that's left
> that isn't "ready" unix-wise these days is Tru64 5.1 and AIX 5+. I guess
> Tru64's days are numbered, but it would be nice just the same.
> 
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-- 

 Douglas E. Engert  <DEEngert@anl.gov>
 Argonne National Laboratory
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