From: Christoph Hellwig <hch@lst.de>
To: Mathieu Malaterre <malat@debian.org>
Cc: Christoph Hellwig <hch@lst.de>,
linuxppc-dev <linuxppc-dev@lists.ozlabs.org>
Subject: Re: [ppc32] WARNING: CPU: 0 PID: 1 at ./include/linux/dma-mapping.h:516 dmam_alloc_coherent+0xd8/0x118
Date: Fri, 2 Feb 2018 19:07:32 +0100 [thread overview]
Message-ID: <20180202180732.GA8463@lst.de> (raw)
In-Reply-To: <CA+7wUsw6jee9+PT0JUQ-gSL=A79d-uxSqgNd4LsHkUYn+zXPyw@mail.gmail.com>
On Fri, Feb 02, 2018 at 07:06:14PM +0100, Mathieu Malaterre wrote:
> On Fri, Feb 2, 2018 at 6:46 PM, Christoph Hellwig <hch@lst.de> wrote:
> > On Fri, Feb 02, 2018 at 02:11:33PM +0100, Mathieu Malaterre wrote:
> >> Hi there,
> >>
> >> What is this warning all about (system is Mac Mini G4) ? Thanks
> >
> > What kernel version is this?
>
> I've synced with git/master this morning
Ok, that means it is the warning for the lack of a coherent dma mask.
Seems like the macio bus isn't setting a proper coherent mask.
prev parent reply other threads:[~2018-02-02 18:07 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-02-02 13:11 [ppc32] WARNING: CPU: 0 PID: 1 at ./include/linux/dma-mapping.h:516 dmam_alloc_coherent+0xd8/0x118 Mathieu Malaterre
2018-02-02 17:46 ` Christoph Hellwig
2018-02-02 18:06 ` Mathieu Malaterre
2018-02-02 18:07 ` Christoph Hellwig [this message]
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=20180202180732.GA8463@lst.de \
--to=hch@lst.de \
--cc=linuxppc-dev@lists.ozlabs.org \
--cc=malat@debian.org \
/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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).