[rescue] A Sick T2000

[Jonathan Chapman]

No specific advice for your situation, but I have had OpenBSD-SPARC64 running
on the T1000, which is a pretty similar machine. Shouldn't be a platform issue
there.

Thanks,
Jonathan

bbbbbbb Original Message bbbbbbb

On Sunday, August 8th, 2021 at 06:52, Jonathan Katz <jon at jonworld.com> wrote:

> Hi everyone!
>
> A while ago (3 years ago) I purchased a T2000 as "condition unknown."
>
> I finally got around to playing with it.
>
> It has one bad DIMM that I must replace. So, does anyone have a 1G
>
> DIMM for this? POST finds it and halves the available RAM to 8G from
>
> 16G. I did move the DIMM to a different bank and the error followed
>
> the DIMM, so the bank or MMU isn't bad, thankfully.
>
> I am trying to boot a copy of Solaris 11.3 (which runs fine on the
>
> T5140 I have; I used the same media to install that system) and it
>
> gives me a kernel panic. Google is coming up empty and I'm not seeing
>
> any media errors errors. Here's the panic for grins:
>
> root on /ramdisk-root:a fstype ufs
>
> panic[cpu0]/thread=20012000: BAD TRAP: type=31 rp=2000e9d0 addr=2
>
> mmu_fsr=0 occurred in module "pxvec" due to a NULL pointer dereference
>
> : trap type = 0x31
>
> addr=0x2
>
> pid=0, pc=0x1236e224, sp=0x2000e271, tstate=0x80001607, context=0x0
>
> g1-g7: 20122c00, 1, 20012000, 60400, 0, 1c, 20012000
>
> A "break" will recover it to the "ok" prompt and I can reboot, etc.
>
> Trying with OpenBSD 6.9 (which also worked flawlessly on the T5140) I
>
> got some I/O Timeout errors from the bootloader (pre-kernel), but then
>
> the kernel mostly boots and seems to hang:
>
> softraid0 at root
>
> scsibus2 at softraid0: 256 targets
>
> Here, I send a break and the OS/system seems hard-locked and I cannot
>
> get to the "ok" prompt. (SC is still accessible.)
>
> Any ideas as to what's up? Is the entire system freaking out over not
>
> having RAM available? Is the DVD drive boogered atop everything else?
>
> Thank you!
>
> rescue list - http://www.sunhelp.org/mailman/listinfo/rescue