From: Matt Mackall <mpm@selenic.com>
To: Grant Likely <grant.likely@secretlab.ca>
Cc: gdb@sourceware.org, linuxppc-embedded@ozlabs.org
Subject: Re: Apparent kernel bug with GDB on ppc405
Date: Wed, 24 Oct 2007 15:42:16 -0500 [thread overview]
Message-ID: <20071024204215.GC19691@waste.org> (raw)
In-Reply-To: <fa686aa40710241328x77435cc1lf09cac730b0ce5ac@mail.gmail.com>
On Wed, Oct 24, 2007 at 02:28:14PM -0600, Grant Likely wrote:
> On 10/24/07, Matt Mackall <mpm@selenic.com> wrote:
> > I'm trying to debug a trivial statically-linked hello world program on
> > a Xilinx PPC 405 and I'm seeing the following behavior:
> >
> <snip>
> >
> > Any suggestions?
>
> http://thread.gmane.org/gmane.linux.ports.ppc.embedded/11202
>
> I was fighting with a similar problem almost 2 years ago. Looks like
> it might be related. At some point the problem seemed to go away and
> I determined what the root cause was. :-(
>
> I haven't been using gdb lately, so I don't know if it's the same
> problem. Nobody I had talked to had seen the issue on other 405
> platforms. It could very well be something virtex-specific.
Could be the same problem, but I'm seeing only your symptom 3 so far.
I've tried throwing some larger hammers at the problem. Flushing all
of the dcache and icache (flush_dcache_all and
flush_instruction_cache) isn't helping. But printk(".") does!
--
Mathematics is the supreme nostalgia of our time.
next prev parent reply other threads:[~2007-10-24 20:42 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-10-24 19:46 Apparent kernel bug with GDB on ppc405 Matt Mackall
2007-10-24 20:28 ` Grant Likely
2007-10-24 20:42 ` Matt Mackall [this message]
2007-10-24 20:46 ` Grant Likely
2007-10-24 21:54 ` Matt Mackall
2007-10-24 22:27 ` Grant Likely
2007-10-24 22:32 ` Matt Mackall
2007-10-24 22:39 ` Grant Likely
2007-10-24 22:40 ` Grant Likely
2007-10-26 1:50 ` Benjamin Herrenschmidt
2007-10-24 22:41 ` Daniel Jacobowitz
2007-10-26 1:51 ` Benjamin Herrenschmidt
2007-10-26 20:41 ` Josh Boyer
2007-10-27 1:36 ` Benjamin Herrenschmidt
2007-10-27 1:27 ` Josh Boyer
2007-10-24 20:34 ` David Daney
2007-10-26 1:52 ` Benjamin Herrenschmidt
2007-10-26 1:46 ` Benjamin Herrenschmidt
2007-10-26 2:45 ` Grant Likely
2007-10-26 3:23 ` Benjamin Herrenschmidt
2007-10-26 14:41 ` Matt Mackall
2007-10-27 1:30 ` Benjamin Herrenschmidt
2007-10-27 7:32 ` [PATCH/RFC] powerpc: Pass PID argument to _tlbie (WAS: Apparent kernel bug with GDB on ppc405) Benjamin Herrenschmidt
2007-10-29 12:08 ` Josh Boyer
2007-10-29 20:15 ` Josh Boyer
2007-10-29 20:35 ` Benjamin Herrenschmidt
2007-10-29 21:13 ` Matt Mackall
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