Forgot to mention Radeon X1900 tries to set an mtrr range and can't hence the X server crashes May 25 15:31:41 loser kernel: mtrr: type mismatch for d0000000,10000000 old: write-back new: write-combining May 25 15:31:41 loser kernel: mtrr: type mismatch for d0000000,10000000 old: write-back new: write-combining May 25 15:31:41 loser kernel: mtrr: type mismatch for d0000000,10000000 old: write-back new: write-combining May 25 15:31:41 loser kernel: mtrr: type mismatch for d0000000,10000000 old: write-back new: write-combining May 25 15:31:41 loser kernel: mtrr: type mismatch for d0000000,10000000 old: write-back new: write-combining May 25 15:31:41 loser kernel: mtrr: type mismatch for d0000000,10000000 old: write-back new: write-combining gjohnson5 wrote: > > I've been trying the rawhide kernels since PAT is now an option when > configuring the kernel, but on my desktop the mtrr are not configured > correctly assuming by the bios and disabling them makes system performance > drop to unusable levels. PAT hasn't function as of > kernel-2.6.26-0.43.rc4.git2.fc10 > > > ASUS NCT-D ---> 1009001 bios > > [gjohnson@localhost ~]$ cat /proc/mtrr > reg00: base=0xc0000000 (3072MB), size=1024MB: uncachable, count=1 > reg01: base=0x00000000 ( 0MB), size=4096MB: write-back, count=1 > reg02: base=0x100000000 (4096MB), size=1024MB: write-back, count=1 > [gjohnson@localhost ~]$ cat /proc/cpuinfo > processor : 0 > vendor_id : GenuineIntel > cpu family : 15 > model : 4 > model name : Intel(R) Xeon(TM) CPU 3.60GHz > stepping : 3 > cpu MHz : 3600.121 > cache size : 2048 KB > physical id : 0 > siblings : 2 > core id : 0 > cpu cores : 1 > apicid : 0 > initial apicid : 0 > fpu : yes > fpu_exception : yes > cpuid level : 3 > wp : yes > flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca > cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx > lm constant_tsc pebs bts pni monitor ds_cpl est tm2 cid cx16 xtpr > bogomips : 7206.92 > clflush size : 64 > cache_alignment : 128 > address sizes : 36 bits physical, 48 bits virtual > power management: > > processor : 1 > vendor_id : GenuineIntel > cpu family : 15 > model : 4 > model name : Intel(R) Xeon(TM) CPU 3.60GHz > stepping : 3 > cpu MHz : 3600.121 > cache size : 2048 KB > physical id : 3 > siblings : 2 > core id : 0 > cpu cores : 1 > apicid : 6 > initial apicid : 6 > fpu : yes > fpu_exception : yes > cpuid level : 3 > wp : yes > flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca > cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx > lm constant_tsc pebs bts pni monitor ds_cpl est tm2 cid cx16 xtpr > bogomips : 7200.16 > clflush size : 64 > cache_alignment : 128 > address sizes : 36 bits physical, 48 bits virtual > power management: > > processor : 2 > vendor_id : GenuineIntel > cpu family : 15 > model : 4 > model name : Intel(R) Xeon(TM) CPU 3.60GHz > stepping : 3 > cpu MHz : 3600.121 > cache size : 2048 KB > physical id : 0 > siblings : 2 > core id : 0 > cpu cores : 1 > apicid : 1 > initial apicid : 1 > fpu : yes > fpu_exception : yes > cpuid level : 3 > wp : yes > flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca > cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx > lm constant_tsc pebs bts pni monitor ds_cpl est tm2 cid cx16 xtpr > bogomips : 7200.12 > clflush size : 64 > cache_alignment : 128 > address sizes : 36 bits physical, 48 bits virtual > power management: > > processor : 3 > vendor_id : GenuineIntel > cpu family : 15 > model : 4 > model name : Intel(R) Xeon(TM) CPU 3.60GHz > stepping : 3 > cpu MHz : 3600.121 > cache size : 2048 KB > physical id : 3 > siblings : 2 > core id : 0 > cpu cores : 1 > apicid : 7 > initial apicid : 7 > fpu : yes > fpu_exception : yes > cpuid level : 3 > wp : yes > flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca > cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx > lm constant_tsc pebs bts pni monitor ds_cpl est tm2 cid cx16 xtpr > bogomips : 7200.18 > clflush size : 64 > cache_alignment : 128 > address sizes : 36 bits physical, 48 bits virtual > power management: > > [gjohnson@localhost ~]$ > > > > -- View this message in context: http://www.nabble.com/more-mtrr-pat-issues-x86_64-4gb-ram-tp17543465p17544234.html Sent from the Fedora Test List mailing list archive at Nabble.com. -- fedora-test-list mailing list fedora-test-list@xxxxxxxxxx To unsubscribe: https://www.redhat.com/mailman/listinfo/fedora-test-list