-Ober


On Wed, 11 Oct 2006, Michael Lorenz wrote:

> Date: Wed, 11 Oct 2006 19:02:26 -0400
> From: Michael Lorenz <macallan@NetBSD.org>
> To: Laurent FAILLIE <l_faillie@yahoo.com>
> Cc: port-sparc@NetBSD.org
> Subject: Re: RE : Re: My SS20 hangs regulary under NetBSD 3.0
> 
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> Hello,
>
> On Oct 11, 2006, at 17:05, Laurent FAILLIE wrote:
>
>>> try to connect the machine with a serial console and
>>> start xminicom or
>>> another terminal client on your pc. Wait for the
>>> crash and look into
>>> your serial console what's printed.
>> 
>> No problem as it boot with I/O on ttya, connected to a
>> VT320 (yes a REAL one).
>> 
>> But I don't think it will help : the machine is not
>> realy crashed as the LED continue to flash but very
>> very slowly, indicating a very high load.
>
> Something spinning, throwing loads of system calls or triggering traps? That 
> would give ~100% kernel time and an almost unresponsive system.
> Try to see which process is spinning ( let top run on the terminal and see 
> who's the culprit next time it happens ). The machine might still be 
> responsive ( just VERY slow ) - see if you can get the offender into gdb to 
> find out what's really happening.
>
> have fun
> Michael
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Has anyone seen these hangs with -current? or 4 beta?
I have simular hardware that runs -current fine doing package builds.


NetBSD 4.99.3 (GENERIC.MP) #0: Wed Oct 11 16:42:37 CDT 2006

root@colbert.linbsd.org:/stuff/rel/sparc/obj/sys/arch/sparc/compile/GENERIC.MP
total memory = 191 MB
avail memory = 183 MB
timecounter: Timecounters tick every 10.000 msec
bootpath: /iommu@f,e0000000/sbus@f,e0001000/ledma@f,400010:t/le@f,c00000
mainbus0 (root): SUNW,SPARCstation-20: hostid 72733efa
cpu0 at mainbus0: mid 8: TMS390Z50 v0 or TMS390Z55 @ 60 MHz, on-chip FPU
cpu0: physical 20K instruction (64 b/l), 16K data (32 b/l), 1024K external 
(32 b/l): cache enabled
cpu1 at mainbus0: mid 10: TMS390Z50 v0 or TMS390Z55 @ 60 MHz, on-chip FPU
cpu1: physical 20K instruction (64 b/l), 16K data (32 b/l), 1024K external 
(32 b/l): cache enabled

I can install 3.01 and see if the issue occurs there.