Skip site navigation (1)Skip section navigation (2)
Date:      Fri, 31 Jan 2003 09:00:27 -0800 (PST)
From:      John Polstra <jdp@polstra.com>
To:        ia64@freebsd.org
Cc:        peter@wemm.org
Subject:   Re: Far enough along for a CVSup port? 
Message-ID:  <200301311700.h0VH0RZk073550@vashon.polstra.com>
In-Reply-To: <20030131030631.0B8A72A89E@canning.wemm.org>
References:  <20030131030631.0B8A72A89E@canning.wemm.org>

next in thread | previous in thread | raw e-mail | index | archive | help
In article <20030131030631.0B8A72A89E@canning.wemm.org>,
Peter Wemm  <peter@wemm.org> wrote:
> dmesg reports all the userland crashes:
> 
> fatal user trap (cpu 0):
> 
>     trap vector = 0x14 (Page Not Present)
>     cr.iip      = 0x60000000402cfa50
>     cr.ipsr     = 0x1013080a6010 (mfl,ic,i,dt,dfh,rt,cpl=3,it,ri=0,bn)
>     cr.isr      = 0x400000000 (code=0,vector=0,r,ei=0)
>     cr.ifa      = 0xdc9a8
>     cr.iim      = 0x3c00e
>     curthread   = 0xe00000003e390a80
>         pid = 66468, comm = paramtest
> 
> Here's how to read it:
> iip == program counter which points to the instruction bundle
> ipsr == equivalent of eflags.  There's some interesting stuff in here, and
>   some not-so-interesting stuff.  Of note, ri=[012] which indicates which
>   instruction in the current bundle is the one faulting or to be resumed to.
> ifa == virtual fault address

Thanks for the explanation.  That's good enough for me to at least
give it a try.  If I get totally stuck, I can always put it on hold
until gdb comes along.  (Notice how I carefully avoid volunteering to
do the gdb port ...)

John

To Unsubscribe: send mail to majordomo@FreeBSD.org
with "unsubscribe freebsd-ia64" in the body of the message




Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?200301311700.h0VH0RZk073550>