From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: Michael Buesch <mb@bu3sch.de>
Cc: linuxppc-dev@ozlabs.org
Subject: Re: Powerbook shuts down hard when hot, patch found
Date: Sun, 30 Sep 2007 08:19:53 +1000 [thread overview]
Message-ID: <1191104393.28637.5.camel@pasglop> (raw)
In-Reply-To: <200709292353.06476.mb@bu3sch.de>
>
> This all smells to me like a silicon bug, so I'd start searching
> in the silicon erratas. But I'm not sure, of course. It's also strange
> that it depends on temperature. (That's why I first expected the PMU
> would cause this).
>
> Thanks for your help.
Could be that we are creating a short by driving the output low, thus
causing the silicon to heat up, but that's strange.
Also, the other change I made you do turns these into inputs, thus the
DDL lines should be pulled up, unless ... the board doesn't have
pullups.
Ben.
next prev parent reply other threads:[~2007-09-29 22:19 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-09-28 21:32 Powerbook shuts down hard when hot, patch found Michael Buesch
2007-09-28 23:04 ` Benjamin Herrenschmidt
2007-09-29 11:06 ` Michael Buesch
2007-09-29 11:22 ` Michael Buesch
2007-09-29 21:51 ` Benjamin Herrenschmidt
2007-09-29 21:53 ` Michael Buesch
2007-09-29 22:19 ` Benjamin Herrenschmidt [this message]
2007-09-29 22:26 ` Michael Buesch
2007-09-29 22:49 ` Benjamin Herrenschmidt
2007-09-30 10:13 ` Michael Buesch
2007-09-30 10:16 ` Michael Buesch
2007-10-01 8:00 ` Michel Dänzer
2007-10-01 20:58 ` Michael Buesch
2007-10-02 6:43 ` Michel Dänzer
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=1191104393.28637.5.camel@pasglop \
--to=benh@kernel.crashing.org \
--cc=linuxppc-dev@ozlabs.org \
--cc=mb@bu3sch.de \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.