Messages in this thread | | | Date | Tue, 3 Jun 2008 21:26:35 +0200 | From | Mikael Pettersson <> | Subject | Re: [BUG] 2.6.26-rc1 broke X on SPARC Ultra5 |
| |
David Miller writes: > From: Mikael Pettersson <mikpe@it.uu.se> > Date: Tue, 3 Jun 2008 09:35:52 +0200 > > > Fatal server error: > > xf86MapPciMem: Could not mmap PCI memory [base=0xe2000000,hostbase=0xe2000000,size=2000] (No such file or directory) > > > > I'll start digging through 2.6.25->2.6.26-rc1 later today, > > meanwhile I've put Xorg.0.log, Xorg strace, dmesg, and .config > > files for 2.6.25 (working) and 2.6.26-rc4 (failing) in > > <http://user.it.uu.se/~mikpe/linux/sparc64-2.6.26-rcN-xorg-bug/>. > > It's likely this change below. Unfortunately older versions of X > seemingly cannot cope with a lack of PCI host controller in the PCI > hierarchy exported by the kernel. > > That's really a bug in X, current libpciaccess based X servers work > fine, and the bug fixed by this changeset is not solvable in any other > reasonable way. So unfortunately older X verions will stay not > working. Sorry. > > commit c26d3c0138970778fabe114df99dffb34a04b1d7 > Author: David S. Miller <davem@davemloft.net> > Date: Thu May 1 01:12:40 2008 -0700
Confirmed. Reverting this patch from 2.6.26-rc1 made my Xorg-7.1.1 work again.
It's a shame though that a bug fix needs to have such draconian consequences.
/Mikael
| |