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Status of SMP on supersparcs?
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dogshu
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Joined: 22 Jun 2003
Posts: 163
Location: New Haven, CT, USA

PostPosted: Sun Nov 30, 2003 10:24 pm    Post subject: Status of SMP on supersparcs? Reply with quote

I have a dual 85-mhz supersparc-2 Sparcstation 20, on which I just recently started experimenting with Gentoo. I tried the recently released sparc 1.4-rc5 livecd, and unfortunately processes would lock-up and become unkillable when I booted with gentoo-smp. I am currently building my system from stage 1 with a uniprocessor kernel, and it appears to be working fine.

I noticed in the -rc4 announcement that SMP supersparc support was suppost to be working... is that not the case? Has anyone else gotten recent 2.4 kernels working on SMP sparcstations?
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tunkaflux
Tux's lil' helper
Tux's lil' helper


Joined: 20 Aug 2003
Posts: 76

PostPosted: Mon Dec 01, 2003 2:01 pm    Post subject: Re: Status of SMP on supersparcs? Reply with quote

dogshu wrote:
I have a dual 85-mhz supersparc-2 Sparcstation 20, on which I just recently started experimenting with Gentoo. I tried the recently released sparc 1.4-rc5 livecd, and unfortunately processes would lock-up and become unkillable when I booted with gentoo-smp. I am currently building my system from stage 1 with a uniprocessor kernel, and it appears to be working fine.


I have a dual 75Mhz SparcStation 20 happily running a smp kernel...
I started from stage3 though...

dogshu wrote:
I noticed in the -rc4 announcement that SMP supersparc support was suppost to be working... is that not the case? Has anyone else gotten recent 2.4 kernels working on SMP sparcstations?


uname -a:
Linux crap 2.4.22-sparc #1 SMP... ;)
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dogshu
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Joined: 22 Jun 2003
Posts: 163
Location: New Haven, CT, USA

PostPosted: Sun Dec 07, 2003 3:35 pm    Post subject: Reply with quote

well, for some reason the last version of the 2.4.22-sparc kernel didn't work in SMP mode for me either... it would exhibit the same behaviour, with processes locking up and becoming unkillable.

However, the latest 2.4.23-sparc kernel works great on my machine in SMP mode! Its been running for a couple of hours now doing some emerges, and its still going strong. I don't know why my sparcstation 20 didn't work and yours did with the 2.4.22 kernel... oh well I have it working now.. here's my /proc/cpuinfo for the curious:

cpu : Texas Instruments, Inc. - SuperSparc-(II)
fpu : SuperSparc on-chip FPU
promlib : Version 3 Revision 2
prom : 2.25
type : sun4m
ncpus probed : 2
ncpus active : 2
Cpu0Bogo : 84.99
Cpu1Bogo : 85.19
MMU type : TI Viking/MXCC
contexts : 65536
nocache total : 5242880
nocache used : 421120
CPU0 : online
CPU1 : online
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