x86 Pat seems to be working for me as of kernel-2.6.26-0.64.rc5.git7.fc10 YAY The mtrr's are broken still , but if the kernel and drivers are using pat , I guess it doesn't matter... Thanks gjohnson5 wrote: > > 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-tp17543465p17834629.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
