Re: Crashes with large SuperMicro based server.

[Tobias Nygren <tnn%NetBSD.org@localhost>]

On Thu, 05 Mar 2015 11:33:01 +0100
Lars-Johan Liman <liman%cafax.se@localhost> wrote:

> fatal page fault in supervisor mode
> trap type 6 code 2 rip ffffffff80540792 cs e030 rflags 10246 cr2 0 ilevel 8 rsp
> ffffffff81048c30
> curlwp 0xffffffff80c3c420 pid 0.1 lowest kstack 0xffffffff810482c0
> kernel: page fault trap, code=0

Assuming this is the daily netbsd-7 XEN3_DOM0.gz kernel from 201503021830Z you have:

(gdb) disassemble 0xffffffff80540792
Dump of assembler code for function pckbport_set_poll:
   0xffffffff80540787 <+0>:     push   %rbp
   0xffffffff80540788 <+1>:     mov    %rsp,%rbp
   0xffffffff8054078b <+4>:     movslq %esi,%rax
   0xffffffff8054078e <+7>:     mov    (%rdi,%rax,8),%rax
   0xffffffff80540792 <+11>:    mov    %edx,(%rax)

Which might imply a keyboard problem. You could attempt to boot the system on a serial console, disable USB ps/2 keyboard emulation in the BIOS or unplug the keyboard. Maybe also check if the vendor has BIOS updates and/or disable lights out management.

Kind regards,
-Tobias