From: Dan Malek <dan@embeddededge.com>
To: Marcelo Tosatti <marcelo.tosatti@cyclades.com>
Cc: "Smith, Craig" <craig.d.smith@siemens.com>,
linux-ppc-embedded <linuxppc-embedded@ozlabs.org>
Subject: Re: Linux 2.6.x on 8xx status
Date: Thu, 10 Feb 2005 14:26:52 -0500 [thread overview]
Message-ID: <c5f8c158f9254cbb0a8e085cf0fda8de@embeddededge.com> (raw)
In-Reply-To: <20050210150437.GA19134@logos.cnet>
On Feb 10, 2005, at 10:04 AM, Marcelo Tosatti wrote:
> Does anyone have a clue of what is/can be wrong with the TLB entry for
> the
> address being flushed at __flush_dcache_icache()?
Not sure. The problem is that the __flush_dcache_icache is passed a
user space virtual address that doesn't look like it is mapped for
writing
or something. I don't know, as an ooops isn't sufficient to debug the
problem.
You have to catch it here and track down the current state of the TLB
and
the page tables. Of course, when I do this everything looks OK, so what
I've been trying to do is catch the TLBmiss reload that actually causes
this
to happen to see what it really tried to load into the tlb. A much more
challenging project :-) I'll get it one of these days .....
-- Dan
next prev parent reply other threads:[~2005-02-10 19:27 UTC|newest]
Thread overview: 50+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-09-21 11:59 Linux 2.6.x on 8xx status Smith, Craig
2004-09-21 11:53 ` Pantelis Antoniou
2004-09-21 16:54 ` Dan Malek
2004-09-21 17:03 ` Dan Malek
2004-09-22 11:09 ` Sam Song
2004-10-15 15:49 ` Marcelo Tosatti
2004-10-16 2:13 ` Marcelo Tosatti
2004-10-16 9:08 ` Sam Song
2004-10-18 5:59 ` Pantelis Antoniou
2004-10-18 6:22 ` Sam Song
2004-10-18 3:10 ` Dan Malek
2005-02-10 15:04 ` Marcelo Tosatti
2005-02-10 19:26 ` Dan Malek [this message]
2005-02-10 17:06 ` Marcelo Tosatti
2005-02-10 17:08 ` Marcelo Tosatti
2005-03-21 21:45 ` Guillaume Autran
2005-03-21 21:53 ` Robert P. J. Day
2005-03-22 13:04 ` Marcelo Tosatti
2005-03-22 20:57 ` Dan Malek
2005-03-22 17:58 ` Marcelo Tosatti
2005-03-22 22:53 ` Dan Malek
2005-03-23 10:25 ` Marcelo Tosatti
2005-03-23 16:12 ` Dan Malek
2005-03-23 16:05 ` Marcelo Tosatti
2005-03-24 14:05 ` Pantelis Antoniou
2005-03-23 14:06 ` Guillaume Autran
2005-02-11 3:42 ` Dan Malek
2005-02-21 21:12 ` Armin Schindler
2005-02-21 23:45 ` Guillaume Autran
2005-02-15 9:39 ` Reading of RTC robin
-- strict thread matches above, loose matches on Subject: below --
2005-02-22 11:20 Linux 2.6.x on 8xx status Joakim Tjernlund
2004-10-25 15:00 Sam Song
2004-09-17 13:57 Smith, Craig
2004-09-17 13:50 ` Pantelis Antoniou
[not found] <20040916201505.E723B2BDB2@ozlabs.org>
2004-09-17 10:06 ` Song Sam
2004-09-17 9:55 ` Pantelis Antoniou
2004-09-18 20:11 ` Song Sam
2004-09-20 6:02 ` Pantelis Antoniou
2004-09-20 11:47 ` Song Sam
2004-09-20 17:49 ` Tom Rini
2004-09-20 18:02 ` Robert P. J. Day
2004-09-20 18:17 ` Tom Rini
2004-09-21 1:38 ` Song Sam
2004-09-21 6:12 ` Pantelis Antoniou
2004-09-21 10:35 ` Song Sam
2004-09-21 10:41 ` Pantelis Antoniou
2004-10-15 15:47 ` Marcelo Tosatti
2004-09-16 18:56 Smith, Craig
2004-09-16 20:07 ` Dan Malek
2004-09-17 5:43 ` Pantelis Antoniou
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