RE: pyxis_machine_check ---- strange message!

[dannyhp@pop.web.net]

First of all, thanks a lot for your attention to my questions, I appreciate it
a lot.

> Could you also tells us in which function is the address 0xfffffc00003159c8
> (from System.map) and  disassemble some code around  (for instance
> with "echo disas 0xfffffc00003159a8 0xfffffc00003159e8 | gdb vmlinux".
> 
> By the way what is your arch? And you use MILO, right?

We have a 2164lx, and we use milo to boot from alphaBIOS.  Our kernel is:

uname -a
Linux arrhenius 2.0.35 #1 Sun Nov 15 07:09:00 CET 1998 alpha unknown


> I may be wrong (I amd not very familiar with machine checks) but I
> interpret the data as follows 
> 
>  > Mar 21 19:09:43 arrhenius kernel:  +170 ffffffff80000080 10
> 
> PYXIS_ERR (see milo/palcode/lx164/impure.h to know which data
> correspond to which register) tells there was a PCI Master Abort
> 
>  > Mar 21 19:09:43 arrhenius kernel:  +1a0 205000e 800804
>  > Mar 21 19:09:43 arrhenius kernel:  +1b0 800804 0
> 
> PCI_ERR0 and PCI_ERR2 are telling the error was on reading PCI address
> 800804 (which looks strange).
> 
> More information on the location of the error in the kernel
> could probably help.

I don't have disas --- which package is it in?  I assume it is a disassembler
--- it it like /usr/bin/as with some command argument?

Also, where would milo/palcode/... be? --- is this in the kernel source?  I
have kernel source for 2.0.36 (in tar.gz form) --- should I be unpacking it
(even though we are running 2.0.35)?

Another straw in the wind: there is a log of a "possible syn flood"

Mar 21 12:42:42 arrhenius kernel: Warning: possible SYN flood from 128.18.3.85
on 128.100.83.175:111.  Sending cookies. 

I think sending cookies is a nice touch... so much nicer than bombs.
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E-Mail: dannyhp@pop.web.net
Date: 26-Mar-99
Time: 11:15:42

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