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[Bug 352050] Re: [HD3650] fails with mobility hd3650 on startup if > 2GB RAM

To: ubuntu-x-swat@xxxxxxxxxxxxxxxxxxx
From: Krelis <c.overweel@xxxxxxxxx>
Date: Fri, 22 May 2009 16:22:49 -0000
Reply-to: Bug 352050 <352050@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx

Thanks. I tried the enable_mtrr_cleanup line earlier and added the
mtrr_spare_reg_nr=0 later (in menu.lst), it didn't make the driver work.

After reading this:
http://lists.opensuse.org/radeonhd/2009-05/msg00070.html

and this:
https://bugs.launchpad.net/ubuntu/+source/linux-restricted-modules-2.6.24/+bug/224404/comments/42

,I tried compiling a custom kernel with options "CONFIG_MTRR_SANITIZER_ENABLE_DEFAULT=1" and "CONFIG_MTRR_SANITIZER_SPARE_REG_NR_DEFAULT=0". This made no difference. I didn't notice any changes in Xorg.0.log besides the added line:
"(II) RADEONHD(0): Current Engine Clock: 13823570", which (i assume) just came from using the most recent (20090519) driver from your PPA.

I'm aware that this is not a radeonhd issue, so i'll keep checking bug
341681 here on launchpad, and bug 20645 on bugs.freedesktop.org. This
post is intended to describe some things that didn't work.

some (perhaps) relevant output below:
-------------------------------
$ grep "CONFIG_MTRR" /boot/config*
/boot/config-2.6.28-12-generic:CONFIG_MTRR=y
/boot/config-2.6.28-12-generic:CONFIG_MTRR_SANITIZER=y
/boot/config-2.6.28-12-generic:CONFIG_MTRR_SANITIZER_ENABLE_DEFAULT=0
/boot/config-2.6.28-12-generic:CONFIG_MTRR_SANITIZER_SPARE_REG_NR_DEFAULT=1
/boot/config-2.6.28.9:CONFIG_MTRR=y
/boot/config-2.6.28.9:CONFIG_MTRR_SANITIZER=y
/boot/config-2.6.28.9:CONFIG_MTRR_SANITIZER_ENABLE_DEFAULT=1
/boot/config-2.6.28.9:CONFIG_MTRR_SANITIZER_SPARE_REG_NR_DEFAULT=0

$ cat /proc/mtrr
reg00: base=0x000000000 (    0MB), size= 2048MB, count=1: write-back
reg01: base=0x080000000 ( 2048MB), size= 1024MB, count=1: write-back
reg02: base=0x100000000 ( 4096MB), size= 1024MB, count=1: write-back

$ ./mtrr-uncover
Initial MTRR configuration:
 0  0x000000000-0x07fffffff write-back
 1  0x080000000-0x0bfffffff write-back
 2  0x100000000-0x13fffffff write-back
No changes made.

** Attachment added: "dmesg"
   http://launchpadlibrarian.net/27057528/dmesg

-- 
[HD3650] fails with mobility hd3650 on startup if > 2GB RAM
https://bugs.launchpad.net/bugs/352050
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