Re: kernel diagnostic assertion in evtchn.c

[Manuel Bouyer <bouyer%antioche.eu.org@localhost>]

On Sun, Jun 08, 2008 at 04:27:17AM +0900, Kazushi Marukawa wrote:
> Hi,
> 
>    On Jun 7, 19:54, Manuel Bouyer wrote:
>    > Subject: Re: kernel diagnostic assertion in evtchn.c
>    > > I'll apply your patch and try to reproduce the problem.
>    > > Need a few days I think.
>    > thanks. I'm also running with this patch on my test box and trying to
>    > reproduce the issue, but for now it's been stable ...
> 
> It crashed here.  I just ran Windows XP and download some
> garbage files from http server to samba server that is the
> same as the xen dom0.  Like following image.
> 
>   +-------------+ run  +----------------+ read +-----------+
>   | xen dom0    |----->| Win XP as domU |<-----|http server|
>   |             |write |                |      +-----------+
>   | smb server  |<-----|                |
>   +-------------+      +----------------+
> 
> This caused following crash.
> 
> -----
> evtchn_do_event: ih 0xc1584660 ih_level 0 != i 8
> ih handlers:
>  0xc1584660 fn 0xc06b7e00
>  0xc1584ea0 fn 0xc04fa890

A handler with ih_level isn't somthing expected.
Can you look in your kernel binary what functions
0xc06b7e00 and 0xc04fa890 are ?
nm /netbsd should be enough to find it.

-- 
Manuel Bouyer <bouyer%antioche.eu.org@localhost>
     NetBSD: 26 ans d'experience feront toujours la difference
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