Ralf Hildebrandt, this bug report is being closed due to your last
comment
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/709677/comments/12
regarding this being fixed with an update. For future reference you can
manage the status of your own bugs by clicking on the current status in
the yell
@Wladimir Mutel (mwg): Your solution work for me.
Kernel: 3.2.0-25
Ubuntu 12.04
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https://bugs.launchpad.net/bugs/709677
Title:
[drm] MTRR allocation failed. Graphics performance may s
Btw, "enable_mtrr_cleanup mtrr_spare_reg_nr=1" did not help in my case.
Now, by my subjective perception, graphic performance of my Intel
Arrandale IGP with 256 MB shared-RAM framebuffer has become somewhat
livelier. At least judging by Flash video and heavily-animated Flash
games.
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You receiv
ok, sorting my mtrr file by its second field, I noticed this 200MB region
covered by 3 regs : 3,4,5
I made an initramfs hook /usr/share/initramfs-tools/scripts/init-top/screw_mtrr
:
--
#!/bin/sh
PREREQ=""
prereqs()
{
echo "$PREREQ"
}
case $1 in
# get pre-requisites
prereqs)
prere
The problem is still there on my Acer 1830T, 4GB RAM with Quantal kernel
3.4.0-1-generic, x86_64
$ cat /proc/mtrr
reg00: base=0x0 (0MB), size= 2048MB, count=1: write-back
reg01: base=0x0ffe0 ( 4094MB), size=2MB, count=1: write-protect
reg02: base=0x08000 ( 2048MB), size= 1
Fixed in linux-image-3.2.0-18-generic on precise
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Title:
[drm] MTRR allocation failed. Graphics performance may suffer.
To manage notifications
still experiencing this bug with latest proposed kernel
2.6.38-11-generic #47-Ubuntu SMP Fri Jul 15 19:27:09 UTC 2011 x86_64
x86_64 x86_64 GNU/Linux
work-around (comment #7) is still valid
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If mtrr_cleanup fails, see: https://lkml.org/lkml/2011/6/3/22
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Title:
[drm] MTRR allocation failed. Graphics performance may suffer.
To manage n
Still there in 2.6.38-9-generic on natty
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Title:
[drm] MTRR allocation failed. Graphics performance may suffer.
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confirming problem and work-around on release version of natty
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Title:
[drm] MTRR allocation failed. Graphics performance may suffer.
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ubuntu
** Changed in: linux (Ubuntu)
Status: New => Confirmed
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Title:
[drm] MTRR allocation failed. Graphics performance may suffer.
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GRUB_CMDLINE_LINUX="enable_mtrr_cleanup mtrr_spare_reg_nr=1"
solves the issue...
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Title:
[drm] MTRR allocation failed. Graphics performance may s
I already performed the upstream-testing!
** Changed in: linux (Ubuntu)
Status: Incomplete => New
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Title:
[drm] MTRR allocation failed. G
Hi Ralf,
If you could also please test the latest upstream kernel available that would
be great. It will allow additional upstream developers to examine the issue.
Refer to https://wiki.ubuntu.com/KernelMainlineBuilds . Once you've tested the
upstream kernel, please remove the 'needs-upstrea
mainline kernel is looking similar:
[3.221143] [drm] Initialized drm 1.1.0 20060810
[3.240051] usb 5-1: new full speed USB device using uhci_hcd and address 2
[3.332112] i915 :00:02.0: PCI INT A -> GSI 16 (level, low) -> IRQ 16
[3.349466] i915 :00:02.0: setting latency tim
Testing mainline kernel 2.6.38-rc2 from http://kernel.ubuntu.com
/~kernel-ppa/mainline/v2.6.38-rc2-natty/
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Title:
[drm] MTRR allocation failed. G
It's not a regression, since 2.6.37 reports the same message.
** Tags removed: regression-release
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Title:
[drm] MTRR allocation failed. Graphic
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Title:
[drm] MTRR allocation failed. Graphics performance may suffer.
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