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SubjectRe: [Linux 2.6.29-rc6] [drm:i915_set_status_page] *ERROR* can not ioremap virtual address for G33 hw status page
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On Mon, Feb 23, 2009 at 7:23 PM, Andy Isaacson <adi@hexapodia.org> wrote:
> On Mon, Feb 23, 2009 at 05:01:10PM -0800, Yinghai Lu wrote:
>> CONFIG_MTRR=y
>> CONFIG_MTRR_SANITIZER=y
>> CONFIG_MTRR_SANITIZER_ENABLE_DEFAULT=1
>> CONFIG_MTRR_SANITIZER_SPARE_REG_NR_DEFAULT=1
>>
>> should help mtrr ones.
>>
>> please post bootlog with those option set.
>
> Doesn't help here (Dell E6400).
>
> [    0.000000] Initializing cgroup subsys cpuset
> [    0.000000] Initializing cgroup subsys cpu
> [    0.000000] Linux version 2.6.29-rc6-dirty (adi@cvp-loaner-01) (gcc version 4.3.2 (Ubuntu 4.3.2-1ubuntu12) ) #14 SMP Mon Feb 23 19:05:31 PST 2009
> [    0.000000] Command line: root=/dev/sda1 ro
> [    0.000000] KERNEL supported cpus:
> [    0.000000]   Intel GenuineIntel
> [    0.000000]   AMD AuthenticAMD
> [    0.000000]   Centaur CentaurHauls
> [    0.000000] BIOS-provided physical RAM map:
> [    0.000000]  BIOS-e820: 0000000000000000 - 000000000009f000 (usable)
> [    0.000000]  BIOS-e820: 000000000009f000 - 00000000000a0000 (reserved)
> [    0.000000]  BIOS-e820: 0000000000100000 - 000000007d04d400 (usable)
> [    0.000000]  BIOS-e820: 000000007d04d400 - 000000007d04f400 (ACPI NVS)
> [    0.000000]  BIOS-e820: 000000007d04f400 - 0000000080000000 (reserved)
> [    0.000000]  BIOS-e820: 00000000f8000000 - 00000000fc000000 (reserved)
> [    0.000000]  BIOS-e820: 00000000fec00000 - 00000000fec10000 (reserved)
> [    0.000000]  BIOS-e820: 00000000fed18000 - 00000000fed1c000 (reserved)
> [    0.000000]  BIOS-e820: 00000000fed20000 - 00000000fed90000 (reserved)
> [    0.000000]  BIOS-e820: 00000000feda0000 - 00000000feda6000 (reserved)
> [    0.000000]  BIOS-e820: 00000000fee00000 - 00000000fee10000 (reserved)
> [    0.000000]  BIOS-e820: 00000000ffe60000 - 0000000100000000 (reserved)
> [    0.000000] DMI 2.4 present.
> [    0.000000] last_pfn = 0x7d04d max_arch_pfn = 0x100000000
> [    0.000000] x86 PAT enabled: cpu 0, old 0x7040600070406, new 0x7010600070106
> [    0.000000] original variable MTRRs
> [    0.000000] reg 0, base: 0GB, range: 32GB, type WB
> [    0.000000] reg 1, base: 3584MB, range: 512MB, type UC
> [    0.000000] reg 2, base: 2012MB, range: 4MB, type UC
> [    0.000000] reg 3, base: 2016MB, range: 32MB, type UC

the BIOS is so sick
according to MTRR, it said:
[0,2012M) is WB
[2048M, 3.5G) is WB too
[4G, 32G) is WB

but according to e820: about [0,2g) is RAM...

really not how to workaround in BIOS.

please check if you have some new BIOS?

YH
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