Re: [Gems-users] running barnes-hut

[Luke Yen <lyen@xxxxxxxxxxx>]

   Maybe someone with more OS experience can help answer this
one.  I'm not familiar with this kind of OS error.

  Luke

On Wed, 1 Jun 2005 yilmazer@xxxxxxxxxxx wrote:

> Below are from the target system console. What can be explanation of synching
> os?
>
> # ./LU -n512 -p8
>
> Blocked Dense LU Factorization
>      512 by 512 Matrix
>      8 Processors
>      16 by 16 Element Blocks
>
>
> panic: failed to stop cpu4
>
> panic[cpu0]/thread=2a10007dd40: send mondo timeout (target 0x4) [196984 NACK 0
> BUSY]
>
> 000002a10007d5a0 SUNW,UltraSPARC-III+:send_one_mondo+104 (2, a698f397, 1471800,
> 146f000, 4000000000000, 300001b1f00)
>   %l0-3: 00000000a698f1cd 00000000a698f2e6 0000000000000000 0000000000000001
>   %l4-7: 0000000000030178 0000000000000004 0000000000000004 0000002d78cd0690
> 000002a10007d650 unix:xt_one_unchecked+f0 (b, 0, 1479f2c, 0, 1, ff)
>   %l0-3: 0000000000000000 0000000000000004 0000000000000000 0000000000000004
>   %l4-7: 000000000100accc 0000000000010001 00000300024dcd20 000002a10007d708
> 000002a10007d750 TS:ts_tick+1e8 (300024ddce0, 116cc18, 1700000, 1700000, 1, 0)
>   %l0-3: 00000000014fd400 0000000000000000 0000030001f2d780 0000000000000000
>   %l4-7: 000000007fffffff 0000000001000000 0000030002136a40 00000300013ac8c0
> 000002a10007d820 genunix:clock_tick+30 (300024ddce0, 1, 20, 3905f, bebc20, c3)
>   %l0-3: 000000000118bc04 000003000241a708 0000000000000000 0000000000000002
>   %l4-7: 0000000000000001 00000300013ac8c0 0000000001424e30 0000000000000000
> 000002a10007d8d0 genunix:clock+51c (300013ac8c0, 3000241a708, 0, 1495400,
> 1471800, 1481800)
>   %l0-3: 0000030001c58000 00000300024ddce0 0000000000000000 0000000000000000
>   %l4-7: 00000000014ed000 0000000000000000 0000000000000000 0000000000000000
> 000002a10007d9b0 genunix:cyclic_softint+b0 (1082668, d92, 3, 10, 1,
> 30000b78fb0)
>   %l0-3: 0000030000a4fed0 0000000000000002 0000030000b78f48 0000000000000001
>   %l4-7: 0000030000a4fea8 0000030000a6c880 0000000000000008 0000000000000000
> 000002a10007daa0 unix:cbe_level10+8 (0, 10003, 1400000, 2a10007dd40, 200060,
> 100be24)
>   %l0-3: 0000000000000000 0000000000010000 0000000000000000 0000000000000000
>   %l4-7: 0000000000000000 0000000000000000 0000000000000000 0000000000000000
>
> syncing file systems...
>
>
>
>
>
> Quoting yilmazer@xxxxxxxxxxx:
>
> > Thank you Luke.
> > But I wonder why it results in operating system synch on target system.
> >
> > Thanks again.
> > ayse.
> > Quoting Luke Yen <lyen@xxxxxxxxxxx>:
> >
> > > Hi:
> > >
> > >   I have noticed alot of "patches" also on our version of the barnes
> > > workload.  However I don't recall seeing the decodeFails messages.  This
> > > is displayed whenever Opal cannot properly decode an instruction.  The
> > > best way to debug this is to go through the code in Opal where
> > instructions
> > > are
> > > decoded (opal/system/static.C, in the decodeInstructionInfo() function),
> > > and track down which switch statements are causing the failures.
> > > >From your output this seems to be isolated to a single instruction.
> > >
> > >   FYI decodeFail() gets called whenever the FAIL macro gets invoked inside
> > > decodeInstructionInfo().
> > >
> > >
> > >   Hope this helps,
> > >    Luke
> > >
> > > On Wed, 1 Jun 2005 yilmazer@xxxxxxxxxxx wrote:
> > >
> > > > Hello,
> > > > When I was running splash benchmarks(fft,lu) first I got the warning
> > > messages
> > > > below and after that operating system began to sync. What can be the
> > > problem?
> > > >
> > > >
> > > >
> > > > ### statici::decodeFails. line:877. inst=0x737472
> > > >  0000 0000 0111 0011:0111 0100 0111 0010
> > > > ### statici::decodeFails. line:877. inst=0x737472
> > > >  0000 0000 0111 0011:0111 0100 0111 0010
> > > > ### statici::decodeFails. line:877. inst=0x737472
> > > >  0000 0000 0111 0011:0111 0100 0111 0010
> > > > ### statici::decodeFails. line:877. inst=0x737472
> > > >  0000 0000 0111 0011:0111 0100 0111 0010
> > > > ### statici::decodeFails. line:877. inst=0x737472
> > > >  0000 0000 0111 0011:0111 0100 0111 0010
> > > > ### statici::decodeFails. line:877. inst=0x737472
> > > >  0000 0000 0111 0011:0111 0100 0111 0010
> > > > ### statici::decodeFails. line:877. inst=0x737472
> > > >  0000 0000 0111 0011:0111 0100 0111 0010
> > > > ### statici::decodeFails. line:877. inst=0x737472
> > > >  0000 0000 0111 0011:0111 0100 0111 0010
> > > > patch  NPC: 0xffffffffff3b3840 0xff3b3840
> > > > patch  NPC: 0xffffffffff3b3840 0xff3b3840
> > > > patch  NPC: 0xffffffffff3b3840 0xff3b3840
> > > > patch  NPC: 0xffffffffff3b3840 0xff3b3840
> > > > patch  PC: 0xff104fe8 0x1000400
> > > > patch  NPC: 0xff104fec 0x1000404
> > > > patch  PC: 0x1000480 0x1000820
> > > > patch  NPC: 0x1000484 0x1000824
> > > > patch  PC: 0x1000d00 0xf000d294
> > > > patch  NPC: 0x1000d04 0xf000d298
> > > > patch  PC: 0x1000d00 0xf000d294
> > > > patch  NPC: 0x1000d04 0xf000d298
> > > > patch  PC: 0x1000d00 0xf000d294
> > > > patch  NPC: 0x1000d04 0xf000d298
> > > > patch  PC: 0x1000d00 0xf000d294
> > > > patch  NPC: 0x1000d04 0xf000d298
> > > > patch  PC: 0x1000d00 0xf000d294
> > > > patch  NPC: 0x1000d04 0xf000d298
> > > > patch  PC: 0x1000d00 0xf000d294
> > > > patch  NPC: 0x1000d04 0xf000d298
> > > >
> > > >
> > > >
> > > >
> > > > Quoting Mike Marty <mikem@xxxxxxxxxxx>:
> > > >
> > > > > > This looks like an operating system issue. Make sure you have enough
> > > locks
> > > > > > available specified in your OS. Different systems have different
> > > parameters
> > > > > to
> > > > > > set, usually in /etc/system, but you might want to check with your
> > OS
> > > > > reference
> > > > > > manual.
> > > > > >
> > > > >
> > > > > And be sure that it works without Ruby/Opal loaded.
> > > > >
> > > > > --Mike
> > > > >
> > > > >
> > > > > _______________________________________________
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> > > > >
> > > >
> > > >
> > > >
> > > > _______________________________________________
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> > > >
> > > _______________________________________________
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> > >
> >
> >
> >
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