4.11-STABLE/PAE

[Scott Long]

The lack of PAE support for aac in 4.11 is unfortunately correct.  It 
would probably take 1-2 days to backport it, but it hasn't been a
high priority so far.

Scott

Ken Menzel wrote:
> from "man aac"   BUGS section (near the bottom):
> This driver will not work on systems with more than 4GB of memory.
> 
> My comment:
> If you want more than 4G with aac controller try FreeBSD 5.3 or 5.4
> 
> Ken
> 
> ----- Original Message ----- From: "Jeremy Bogan" <jeremy at segpub.com.au>
> To: <freebsd-stable at freebsd.org>
> Sent: Tuesday, April 05, 2005 9:41 AM
> Subject: 4.11-STABLE/PAE
> 
> 
>> Hiya,
>>
>> We've recently loaded FreeBSD 4.11-STABLE with PAE support onto one 
>> of  our brand new Dell PowerEdge 2650's. The box has 6GB RAM and with 
>> PAE  support compiled into our kernel can see it all fine. However 
>> when we  start doing disk intensive stuff like compiling, our RAID 
>> appears to  spack out and cause the system to freeze and require a 
>> reboot. When  logging in via console we see:
>>
>> aac0: COMMAND TIMEOUT AFTER 1540 SECONDS
>>
>> repeated continuously.
>>
>> Apr  5 22:10:24 luke1 /kernel: CPU: Intel(R) Xeon(TM) CPU 3.06GHz 
>> (3050.63-MHz 686-class CPU)
>> Apr  5 22:10:24 luke1 /kernel: Origin = "GenuineIntel"  Id = 0xf29 
>> Stepping = 9
>> Apr  5 22:10:24 luke1 /kernel: 
>> Features=0xbfebfbff<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,HTT,TM,PBE>
>> Apr  5 22:10:24 luke1 /kernel: Hyperthreading: 2 logical CPUs
>> Apr  5 22:10:24 luke1 /kernel: real memory  = 6442450944 (6291456K bytes)
>> Apr  5 22:10:24 luke1 /kernel: avail memory = 6000644096 (5860004K bytes)
>>
>> When disabling PAE support everything appears to be perfectly fine, 
>> but  we're only able to address 4GB out of our 6GB. Just wondering if 
>> anyone  else has experienced this or has any insight.
>>
>> The system is running RAID5 with 4 x 73GB SCSI drives:
>>
>> Apr  5 22:30:03 luke1 /kernel: aac0: <Dell PERC 3/Di> mem 
>> 0xf0000000-0xf7ffffff irq 16 at device 8.1 on pci4
>> Apr  5 22:30:03 luke1 /kernel: aac0: i960RX 100MHz, 118MB cache 
>> memory,  optional battery present
>> Apr  5 22:30:03 luke1 /kernel: aac0: Kernel 2.8-0, Build 6092, S/N 64a1d3
>> Apr  5 22:30:03 luke1 /kernel: aac0: Supported 
>> Options=275c<WCACHE,DATA64,HOSTTIME,WINDOW4GB,SOFTERR,NORECOND,SGMAP64>
>>
>> Thanks :)
>>
>> -- 
>> jeremy bogan    [ jeremy at segpub.com.au ]
>> segment publishing - design.develop.host
>>
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> 
> 
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