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From: Pietro Gagliardi <pietro10@mac.com>
To: Fans of the OS Plan 9 from Bell Labs <9fans@9fans.net>
In-reply-to: <AANLkTik3urgfu2RgGo0Rf_PG5eEdZ-A8gdNud4TAL-QX@mail.gmail.com>
Date: Mon, 28 Jun 2010 14:05:14 -0400
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Subject: [9fans] problems with tracing 9vx on os x (was: Re: ghostscript not
 finding LucidaSans
Topicbox-Message-UUID: 37cf298c-ead6-11e9-9d60-3106f5b1d025

On Jun 28, 2010, at 11:04 AM, ron minnich wrote:
> well, once again, ratrace can be a good tool for understanding things
> that don't make sense. I use it all the time for this type of problem
> and the results are frequently illuminating.
>
> ron
>


First I found a slight building problem on Mac OS X 10.5.8: ethertap.c
needs to be changed to include <sys/socket.h> before <net/if.h> and to
add a defined(__MACOSX__) or similar to the #elf defined(__FreeBSD__)
so opentap() can be defined.

However once this version was built, I got the following right after
seeing the memory usage statistic line:

9vx panic: user fault: signo=10 addr=1100cc77 [useraddr=cc77] read=1
eip=b7de5 esp=2e93ece0
sleeping, so you can attach gdb to pid 44257