From: Volker Armin Hemmann <volkerarmin@googlemail.com>
To: gentoo-user@lists.gentoo.org
Subject: Re: [gentoo-user] Re: mtrr: no MTRR for e8000000,4000000 found
Date: Mon, 20 Jul 2009 06:16:51 +0200 [thread overview]
Message-ID: <200907200616.51138.volkerarmin@googlemail.com> (raw)
In-Reply-To: <5bdc1c8b0907191954v75dd3f78kb1db5f4b26a16a28@mail.gmail.com>
On Montag 20 Juli 2009, Mark Knecht wrote:
> On Sun, Jul 19, 2009 at 7:00 PM, Mark Knecht<markknecht@gmail.com> wrote:
> > On Sun, Jul 19, 2009 at 6:24 PM, Mark Knecht<markknecht@gmail.com> wrote:
> > <SNIP>
> >
> >> myth12 mythtv # cat /var/log/Xorg.0.log | grep EE
> >> Current Operating System: Linux myth12 2.6.29-gentoo-r5 #4 PREEMPT Fri
> >> Jun 26 09:51:45 PDT 2009 i686
> >> (WW) warning, (EE) error, (NI) not implemented, (??) unknown.
> >> (II) Loading extension MIT-SCREEN-SAVER
> >> (EE) RADEON(0): [dri] RADEONDRIGetVersion failed to open the DRM
> >> myth12 mythtv #
> >>
> >>
> >> myth12 linux # dmesg | tail -n 5
> >> [ 17.486289] usb 1-0:1.0: uevent
> >> [ 19.612246] eth0: setting full-duplex.
> >> [ 30.350021] eth0: no IPv6 routers present
> >> [ 433.541492] pci 0000:01:05.0: PCI INT A -> Link[LNKA] -> GSI 11
> >> (level, low) -> IRQ 11
> >> [ 435.609192] mtrr: no MTRR for e8000000,4000000 found
> >
> > myth12 linux # cat /proc/mtrr
> > reg00: base=0x000000000 ( 0MB), size= 256MB, count=1: write-back
> > reg01: base=0x00c000000 ( 192MB), size= 64MB, count=1: uncachable
> > myth12 linux #
> >
> > Seems that maybe this machine really doesn't have an MTRR at e8000000.
> >
> > Are MTRR's necessary? This machine ran a much older kernel - circa
> > 2.6.19 - until I tried to upgrade the xorg server. Possibly I was
> > never using MTRR and having it turned on at all is a mistake?
> >
> > Thanks,
> > Mark
>
> OK, I have it at least partially working. For some reason it was
> unhappy (VERY) with my .xinitrc file left over from the old days. Go
> figure?!?!
>
> I erased the .xinitrc file and just type startx and it work. Three
> terminals on the screen. xclock. Everything looks normal.
>
> I am still getting messages about the MTRR but it doesn't stop X from
> coming up.
>
> I get back on this tomorrow and see if I can get fluxbox running.
>
> Thanks,
> Mark
yes, you 'need' mtrr. Not having working mtrr is like driving a car while
constantly stepping on the brakes and gas at the same time. There is lots of
stuff about that in Documentation/ - use grep to find it.
prev parent reply other threads:[~2009-07-20 4:16 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-07-20 1:24 [gentoo-user] mtrr: no MTRR for e8000000,4000000 found Mark Knecht
2009-07-20 1:33 ` Volker Armin Hemmann
2009-07-20 1:48 ` Mark Knecht
2009-07-20 2:00 ` [gentoo-user] " Mark Knecht
2009-07-20 2:54 ` Mark Knecht
2009-07-20 4:16 ` Volker Armin Hemmann [this message]
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