Mint on a Server: it works ...

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Mint on a Server: it works ...

Postby scorp123 on Fri Jun 15, 2007 4:24 am

as a follow-up to the recent "Mint Server" discussion I thought I give it a try. Although this is a 64-bit system and Mint is only 32-bit, I wanted to see if it can handle the professional hardware here. Short answer: Yes it can. We'd just need a 64-bit kernel to take full advantage of the CPU. But the 32-bit kernel was running OK too.

The machine here is a SUN "SunFire" X4200 server with 16 GB RAM.

Here a few bits from various commands ...
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root@mint:~# uname -a
Linux mint 2.6.20-15-generic #2 SMP Sun Apr 15 07:36:31 UTC 2007 i686 GNU/Linux

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root@mint:~# lspci
00:00.0 Memory controller: nVidia Corporation CK804 Memory Controller (rev a3)
00:01.0 ISA bridge: nVidia Corporation CK804 ISA Bridge (rev a3)
00:01.1 SMBus: nVidia Corporation CK804 SMBus (rev a2)
00:02.0 USB Controller: nVidia Corporation CK804 USB Controller (rev a2)
00:02.1 USB Controller: nVidia Corporation CK804 USB Controller (rev a3)
00:06.0 IDE interface: nVidia Corporation CK804 IDE (rev f2)
00:09.0 PCI bridge: nVidia Corporation CK804 PCI Bridge (rev a2)
00:0a.0 Bridge: nVidia Corporation CK804 Ethernet Controller (rev a3)
00:0b.0 PCI bridge: nVidia Corporation CK804 PCIE Bridge (rev a3)
00:0c.0 PCI bridge: nVidia Corporation CK804 PCIE Bridge (rev a3)
00:0d.0 PCI bridge: nVidia Corporation CK804 PCIE Bridge (rev a3)
00:0e.0 PCI bridge: nVidia Corporation CK804 PCIE Bridge (rev a3)
00:18.0 Host bridge: Advanced Micro Devices [AMD] K8 [Athlon64/Opteron] HyperTransport Technology Configuration
00:18.1 Host bridge: Advanced Micro Devices [AMD] K8 [Athlon64/Opteron] Address Map
00:18.2 Host bridge: Advanced Micro Devices [AMD] K8 [Athlon64/Opteron] DRAM Controller
00:18.3 Host bridge: Advanced Micro Devices [AMD] K8 [Athlon64/Opteron] Miscellaneous Control
00:19.0 Host bridge: Advanced Micro Devices [AMD] K8 [Athlon64/Opteron] HyperTransport Technology Configuration
00:19.1 Host bridge: Advanced Micro Devices [AMD] K8 [Athlon64/Opteron] Address Map
00:19.2 Host bridge: Advanced Micro Devices [AMD] K8 [Athlon64/Opteron] DRAM Controller
00:19.3 Host bridge: Advanced Micro Devices [AMD] K8 [Athlon64/Opteron] Miscellaneous Control
01:03.0 VGA compatible controller: ATI Technologies Inc Rage XL (rev 27)
80:00.0 Memory controller: nVidia Corporation CK804 Memory Controller (rev a3)
80:01.0 Memory controller: nVidia Corporation CK804 Memory Controller (rev a3)
80:0a.0 Bridge: nVidia Corporation CK804 Ethernet Controller (rev a3)
80:0b.0 PCI bridge: nVidia Corporation CK804 PCIE Bridge (rev a3)
80:0c.0 PCI bridge: nVidia Corporation CK804 PCIE Bridge (rev a3)
80:0d.0 PCI bridge: nVidia Corporation CK804 PCIE Bridge (rev a3)
80:0e.0 PCI bridge: nVidia Corporation CK804 PCIE Bridge (rev a3)
80:10.0 PCI bridge: Advanced Micro Devices [AMD] AMD-8132 PCI-X Bridge (rev 12)
80:10.1 PIC: Advanced Micro Devices [AMD] AMD-8132 PCI-X IOAPIC (rev 12)
80:11.0 PCI bridge: Advanced Micro Devices [AMD] AMD-8132 PCI-X Bridge (rev 12)
80:11.1 PIC: Advanced Micro Devices [AMD] AMD-8132 PCI-X IOAPIC (rev 12)
86:01.0 Ethernet controller: Intel Corporation 82546EB Gigabit Ethernet Controller (Copper) (rev 03)
86:01.1 Ethernet controller: Intel Corporation 82546EB Gigabit Ethernet Controller (Copper) (rev 03)
86:02.0 SCSI storage controller: LSI Logic / Symbios Logic SAS1064 PCI-X Fusion-MPT SAS (rev 02)

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root@mint:~# cat /proc/cpuinfo
processor       : 0
vendor_id       : AuthenticAMD
cpu family      : 15
model           : 65
model name      : Dual-Core AMD Opteron(tm) Processor 2216
stepping        : 2
cpu MHz         : 1000.000
cache size      : 1024 KB
physical id     : 0
siblings        : 2
core id         : 0
cpu cores       : 2
fdiv_bug        : no
hlt_bug         : no
f00f_bug        : no
coma_bug        : no
fpu             : yes
fpu_exception   : yes
cpuid level     : 1
wp              : yes
flags           : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 ht syscall nx mmxext fxsr_opt lm 3dnowext 3dnow pni cx16 lahf_lm cmp_legacy svm cr8legacy ts fid vid ttp tm stc
bogomips        : 1995.81
clflush size    : 64

processor       : 1
vendor_id       : AuthenticAMD
cpu family      : 15
model           : 65
model name      : Dual-Core AMD Opteron(tm) Processor 2216
stepping        : 2
cpu MHz         : 1000.000
cache size      : 1024 KB
physical id     : 0
siblings        : 2
core id         : 1
cpu cores       : 2
fdiv_bug        : no
hlt_bug         : no
f00f_bug        : no
coma_bug        : no
fpu             : yes
fpu_exception   : yes
cpuid level     : 1
wp              : yes
flags           : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 ht syscall nx mmxext fxsr_opt lm 3dnowext 3dnow pni cx16 lahf_lm cmp_legacy svm cr8legacy ts fid vid ttp tm stc
bogomips        : 1995.81
clflush size    : 64

processor       : 2
vendor_id       : AuthenticAMD
cpu family      : 15
model           : 65
model name      : Dual-Core AMD Opteron(tm) Processor 2216
stepping        : 2
cpu MHz         : 1000.000
cache size      : 1024 KB
physical id     : 1
siblings        : 2
core id         : 0
cpu cores       : 2
fdiv_bug        : no
hlt_bug         : no
f00f_bug        : no
coma_bug        : no
fpu             : yes
fpu_exception   : yes
cpuid level     : 1
wp              : yes
flags           : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 ht syscall nx mmxext fxsr_opt lm 3dnowext 3dnow pni cx16 lahf_lm cmp_legacy svm cr8legacy ts fid vid ttp tm stc
bogomips        : 1995.81
clflush size    : 64

processor       : 3
vendor_id       : AuthenticAMD
cpu family      : 15
model           : 65
model name      : Dual-Core AMD Opteron(tm) Processor 2216
stepping        : 2
cpu MHz         : 1000.000
cache size      : 1024 KB
physical id     : 1
siblings        : 2
core id         : 1
cpu cores       : 2
fdiv_bug        : no
hlt_bug         : no
f00f_bug        : no
coma_bug        : no
fpu             : yes
fpu_exception   : yes
cpuid level     : 1
wp              : yes
flags           : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 ht syscall nx mmxext fxsr_opt lm 3dnowext 3dnow pni cx16 lahf_lm cmp_legacy svm cr8legacy ts fid vid ttp tm stc
bogomips        : 1995.81
clflush size    : 64

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root@mint:~# fdisk -l /dev/sdb

Disk /dev/sdb: 73.4 GB, 73407865856 bytes
255 heads, 63 sectors/track, 8924 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes

   Device Boot      Start         End      Blocks   Id  System
/dev/sdb1   *           2        8910    71561542+  bf  Solaris

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root@mint:~# free -m
             total       used       free     shared    buffers     cached
Mem:          3547        788       2758          0        108        454
-/+ buffers/cache:        225       3321
Swap:            0          0          0


That last bit shows the shortcomings of a 32-bit kernel: The system in question has 16 GB RAM and not just 4 GB ... but 4 GB are the limits the standard kernel in "Mint" seems to be able to handle.

Other than that all the hardware seems to work tip top here. I am writing this very posting from the Live CD running on the one X4200 I just tested.

Just thought I let you know :wink:
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Postby Husse on Fri Jun 15, 2007 5:40 am

NIce :)
but 4 GB are the limits the standard kernel in "Mint" seems to be able to handle.

On a standard PC you don't even have that much. The Linux kernel splits the 4 GB virtual address space of a process in two parts: 3 GB for you and 1 GB for the kernel. In addition to this the motherboard needs an address space for PCI etc of about 500 MB (learned this in the Windows world, but as this is hardware it should be the same for Linux) so the top 500 MB are inaccesible.
Thought it's worth mentioning so no one is anticipating a usable 4 GB :)
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Postby scorp123 on Fri Jun 15, 2007 11:41 am

Husse wrote:Thought it's worth mentioning so no one is anticipating a usable 4 GB :)
With a proper 64-bit OS (e.g. Ubuntu Server 7.04, 64-bit edition) I get the full 16 GB the system has. The only thing really missing here are two decent PCI-X graphics cards (there are two PCI-X slots here); the on-board ATI Rage XL sucks big time for FPS games :D

I wonder what the framerate would be e.g. with UT2004 ?? With those four Dual-Core AMD-64 CPU's and two decent graphics cards working together via SLI ... I can imagine that the framerate would be pretty awesome :twisted:
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