On Thu, Mar 31, 2005 at 12:45:44PM -0600, Kumar Gala wrote: > Tom, > > On Mar 31, 2005, at 10:34 AM, Tom Rini wrote: > > >On Thu, Mar 31, 2005 at 09:26:18AM -0700, Wade Farnsworth wrote: > > > On Fri, 2005-03-18 at 12:30, Tom Rini wrote: > > > > On Fri, Mar 18, 2005 at 01:43:11PM -0500, Jason McMullan wrote: > > > > > On Fri, 2005-03-18 at 10:06 -0600, Kumar Gala wrote: > > > > > > Can you build your patch for the lopec_defconfig and fix the > >errors > >> > > > associated with enabling altivec. > > > > > > > >> > > > Looks like you need to include asm/offset.h & asm/page.h in > >vector.S, > >> > > > however there is another build error after that. > > > > > > >> > > Thanks! That also found a linking bug, fixed in this patch.. > >Please > > > > > double check the call in 'AltiVecUnavalible' in head.S, and the > >re-load > > > > > of 'ctr' at the end of load_up_altivec, as I do not have an > >AltiVec > > > > > machine here. > > > > > >> > No dice: > > > > VFS: Mounted root (nfs filesystem) readonly. > > > > Freeing unused kernel memory: 100k init 4k prep > > > > floating point used in kernel (task=c03816b0, pc=c000d664) > >> > Doing some objdump'ing, that's the start of load_up_altivec. > >> > >> Hi Jason and Tom, > > > > >> Has there been any more progress on this patch? > > > >Sadly no.? We got to the point where it was reliably crashing on my > >LoPEC (7400), but no time to try and fix it.? The problem should show > >up > > on any classic PPC box.. > > Is it crashing on just avec code or everything?
That's a good question. IIRC, I was using a userspace with an altivec-using setjmp/longjmp, so it could have been Altivec-specific. I don't have test kernels w/ the patch handy anymore to verify, sorry. -- Tom Rini http://gate.crashing.org/~trini/
