SMP on AS4100 not working ?

[Sergey Tikhonov]

alpha-linux at gmx.net wrote:

>i got some bad feelings about smp on as4100.
>
>during boot i get this kernel messages:
>
>May 16 16:57:24 localhost kernel: MCPCIA machine check: vector=0x660
>pc=0xfffffc00012c62f8 code=0x2030000
>May 16 16:57:24 localhost kernel: machine check type: unknown
>May 16 16:57:24 localhost kernel: pc = [<fffffc00012c62f8>]  ra =
>[<fffffc00012c62e4>]  ps = 0000    Not tainted
>May 16 16:57:24 localhost kernel: pc is at _spin_unlock_irq+0x2c/0x38,  ra
>is at _spin_unlock_irq+0x18/0x38
>May 16 16:57:24 localhost kernel: v0 = 0000000000000007  t0 =
>fffffc00018b3c78  t1 = 000000003fffffff
>May 16 16:57:24 localhost kernel: t2 = 0000000000000000  t3 =
>fffffcf980000000  t4 = fffffc0001940d40
>May 16 16:57:24 localhost kernel: t5 = 00000000000000ff  t6 =
>000000000000003f  t7 = fffffc0002d68000
>May 16 16:57:24 localhost kernel: a0 = 0000000000000000  a1 =
>fffffc00012d7904  a2 = 0000000000000099
>May 16 16:57:24 localhost kernel: a3 = 0000000000000100  a4 =
>fffffc00012c6038  a5 = 0000000000000000
>May 16 16:57:24 localhost kernel: t8 = 0000000000000000  t9 =
>fffffc00010d7998  t10= 0000000000000000
>May 16 16:57:24 localhost kernel: t11= 000000000000000a  pv =
>fffffc000101ca78  at = 0000000000000000
>May 16 16:57:24 localhost kernel: gp = fffffc00018b2d00  sp =
>fffffc0002d6bd88
>May 16 16:57:24 localhost kernel:   paltmp[0-1] =                7
>fffffc00018b3c78
>May 16 16:57:24 localhost kernel:   paltmp[2-3] = fffffc0001010cf0          
>  4400
>May 16 16:57:24 localhost kernel:   paltmp[4-5] = fffffcf980000000
>fffffc0001940d40
>May 16 16:57:24 localhost kernel:   paltmp[6-7] =               ff
>fffffc0001010c70
>May 16 16:57:24 localhost kernel:   paltmp[8-9] = 1f1e171515020100
>fffffc0001010f50
>May 16 16:57:24 localhost kernel:   paltmp[10-11] = fffffc00012c62f8
>fffffc0001010ab0
>
>when i do a top, i only see 1 cpu:
>
>top - 20:16:01 up 34 min,  2 users,  load average: 0.00, 0.10, 0.22
>Tasks:  65 total,   1 running,  64 sleeping,   0 stopped,   0 zombie
>Cpu(s):  0.1% us,  0.2% sy,  0.0% ni, 99.7% id,  0.0% wa,  0.0% hi,  0.0% si
>Mem:   2051608k total,   779288k used,  1272320k free,    38336k buffers
>Swap:   907656k total,        0k used,   907656k free,   676840k cached
>  
>
As was mentioned in prev Cristian's post - press "1" to show info about 
cpus in the top.

>cat /proc/cpuinfo:
>cpu                     : Alpha
>cpu model               : EV56
>cpu variation           : 7
>cpu revision            : 0
>cpu serial number       :
>system type             : Rawhide
>system variation        : Dodge
>system revision         : 0
>system serial number    : AY82120582
>cycle frequency [Hz]    : 466218717 est.
>timer frequency [Hz]    : 1200.00
>page size [bytes]       : 8192
>phys. address bits      : 40
>max. addr. space #      : 127
>BogoMIPS                : 795.24
>kernel unaligned acc    : 0 (pc=0,va=0)
>user unaligned acc      : 0 (pc=0,va=0)
>platform string         : AlphaServer 4100 5/466 4MB
>cpus detected           : 4
>cpus active             : 4
>cpu active mask         : 000000000000000f
>L1 Icache               : 8K, 1-way, 32b line
>L1 Dcache               : 8K, 1-way, 32b line
>L2 cache                : 96K, 3-way, 64b line
>L3 cache                : 4096K, 1-way, 64b line
>
>in cpuinfo there a 4 cpu detected and active.
>
>so how can i test this to be really sure, if it's running on all cpu's ?
>smp-kernel is running:
>Linux dhcp-17 2.6.11-1.1180axp_FC3smp #1 SMP Mon Apr 18 14:35:11
>
>btw: the dnetc client for alpha is failing with a segmentation fault.
>  
>
It is not part of Fedora. :)

Regards,
Sergey.