On Wed, 5 Jul 2006 23:07:31 +0200, <ludo@xxxxxxxxxxx> wrote: >2 days, 9 hours, 28 minutes, 40 seconds ago, Mikael Pettersson wrote: >> In 2.6.17 sparc64 kernels, X11 runs _extremely_ slowly with >> frequent lock-up like behaviour on my Ultra5 (ATI Mach64). >> >> I finally managed to trace the cause to this change in 2.6.16-git6: > >Can you be more specific as to which version of Xorg you are using? > >Several people including me have reported being unable to run Xorg 7.0 >on ATI-based sparc64 machines such as U5s [0]. Symptoms include kernel >hangs as well as transient [1,2] or permanent [3] filesystem corruptions. > >I just recompiled a kernel with your patch and it doesn't make any >difference in that respect (besides, re-adding the >`prot = __pgprot(...)' line looks questionable since the input value of >PROT becomes unused as a result). > >Xorg 6.9, OTOH, was apparently working fine for most people. Sorry, I can't help you with your Xorg 7.0 problems. The user-space on my Ultra5 is Aurora Linux 2.0, which has xorg-6.8.1-13sparc. Concerning the kernel change, reverting the patch simply makes the kernel do that it did prior to 2.6.16-git6, including ignoring the prot parameter. So it should be safe, although perhaps not optimal. - To unsubscribe from this list: send the line "unsubscribe sparclinux" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
