[rescue] Mysterious Sparc10 hang

[James Lockwood]

On Tue, 9 Oct 2001, Brian Hechinger wrote:

> i have a sparc10 with dual SM61, 128MB ram, two FSBE cards and a Sun/NSI FDDI
> card (old style, don't know which version, the dual SBus, MIC connectors kind)
> running Solaris 8 and IPfilter as my firewall.
>
> it works great.  with one exception.  every once in a while (like months apart)
> it'll hang.  no error messages, nothing reported, no crash dump, just flat out
> hang.  only thing i can do is drop it to the ROM and reboot.  does anyone know

Could be totally offbase: is this an LSI L1A rev of the SS10?  If so they
had a hardware bug which could induce hangs under heavy load of both the
onboard SCSI and ethernet.  Sun later fixed this and released machines
with the updated L1B chips instead.

Odds are the CPU module is flaky, though.

-James