http://bugs.freedesktop.org/show_bug.cgi?id=21462
Summary: mach64_do_dma_init *ERROR*
Product: DRI
Version: unspecified
Platform: x86 (IA32)
OS/Version: Linux (All)
Status: NEW
Severity: blocker
Priority: medium
Component: DRM/other
AssignedTo: dri-devel@lists.sourceforge.net
ReportedBy: wallac...@gmail.com
Hi, i'm using mach64 drm driver from git (not in kernel source)
git://anongit.freedesktop.org/git/mesa/drm
on an old sony vaio pcg-fx80.
My debian testing run fine until kernel 2.6.28.7
Start using new 2.6.29 kernel (tryied also .1 and .2) drm doesn't work.
modprobing the driver get no problem. From syslog:
kernel: [drm] Initialized drm 1.1.0 20060810
kernel: [drm] Initialized mach64 2.0.0 20060718 on minor 0
kernel: [drm] Used old pci detect: framebuffer loaded
But, starting X
kernel: mtrr: no MTRR for e9000000,800000 found
... ....
[drm:mach64_do_dma_init] *ERROR* can not ioremap virtual address for
descriptor ring
ok... mtrr was wrong, correct this...
echo "disable=1" |> /proc/mtrr
echo "base=0x0e9000000 size= .... ... ......
the problem of mtrr is solved, but the 'ioremap' persist.
Booting with nopat option 'solve' this but KDE freeze before login and nothing
work again.
Ask for any other info.
thanks
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