[BUG] 2.6.26-rc1 broke X on SPARC Ultra5

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From: Mikael Pettersson
Date: Tuesday, June 3, 2008 - 12:35 am

While investigating a report in linux.debian.ports.sparc
saying that X doesn't work with the 2.6.24 kernel, I noticed
that while X works for me with 2.6.25, 2.6.24, and Aurora's
2.6.23 kernels, it doesn't work with any 2.6.26-rcN (1<=N<=4)
kernel; with those it always fails with a

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/>.

/Mikael
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Messages in current thread:
[BUG] 2.6.26-rc1 broke X on SPARC Ultra5, Mikael Pettersson, (Tue Jun 3, 12:35 am)
Re: [BUG] 2.6.26-rc1 broke X on SPARC Ultra5, David Miller, (Tue Jun 3, 6:22 am)
Re: [BUG] 2.6.26-rc1 broke X on SPARC Ultra5, Mikael Pettersson, (Tue Jun 3, 12:26 pm)
Re: [BUG] 2.6.26-rc1 broke X on SPARC Ultra5, David Miller, (Tue Jun 3, 12:51 pm)
Re: [BUG] 2.6.26-rc1 broke X on SPARC Ultra5, Dave Airlie, (Tue Jun 3, 1:45 pm)
Re: [BUG] 2.6.26-rc1 broke X on SPARC Ultra5, David Miller, (Tue Jun 3, 1:54 pm)
Re: [BUG] 2.6.26-rc1 broke X on SPARC Ultra5, Frans Pop, (Tue Jun 3, 5:04 pm)
Re: [BUG] 2.6.26-rc1 broke X on SPARC Ultra5, David Miller, (Tue Jun 3, 5:05 pm)
Re: [BUG] 2.6.26-rc1 broke X on SPARC Ultra5, Mikael Pettersson, (Wed Jun 4, 1:06 am)