From: Joerg Roedel <joro-zLv9SwRftAIdnm+yROfE0A@public.gmane.org>
To: Mark Hounschell <markh-n2QNKt385d+sTnJN9+BGXg@public.gmane.org>
Cc: iommu-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org,
Linux-kernel
<linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>
Subject: Re: BUG at drivers/iommu/amd_iommu.c:1436!
Date: Thu, 17 Nov 2016 22:41:41 +0100 [thread overview]
Message-ID: <20161117214141.GC2078@8bytes.org> (raw)
In-Reply-To: <838275de-6cac-93d8-ca04-54b06a24b3d4-n2QNKt385d+sTnJN9+BGXg@public.gmane.org>
Hi Mark,
On Thu, Nov 17, 2016 at 02:13:59PM -0500, Mark Hounschell wrote:
> Kernel version is 4.8.0. No failure when the IOMMU is disabled. This
> is an out of tree GPL driver using
> pci_alloc_consistent/pci_free_consistent. The free causes this.
Can you please run the driver with dma-api debugging enabled? Does it
trigger any warnings?
Joerg
WARNING: multiple messages have this Message-ID (diff)
From: Joerg Roedel <joro@8bytes.org>
To: Mark Hounschell <markh@compro.net>
Cc: iommu@lists.linux-foundation.org,
Linux-kernel <linux-kernel@vger.kernel.org>
Subject: Re: BUG at drivers/iommu/amd_iommu.c:1436!
Date: Thu, 17 Nov 2016 22:41:41 +0100 [thread overview]
Message-ID: <20161117214141.GC2078@8bytes.org> (raw)
In-Reply-To: <838275de-6cac-93d8-ca04-54b06a24b3d4@compro.net>
Hi Mark,
On Thu, Nov 17, 2016 at 02:13:59PM -0500, Mark Hounschell wrote:
> Kernel version is 4.8.0. No failure when the IOMMU is disabled. This
> is an out of tree GPL driver using
> pci_alloc_consistent/pci_free_consistent. The free causes this.
Can you please run the driver with dma-api debugging enabled? Does it
trigger any warnings?
Joerg
next prev parent reply other threads:[~2016-11-17 21:41 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-11-17 19:13 BUG at drivers/iommu/amd_iommu.c:1436! Mark Hounschell
2016-11-17 19:13 ` Mark Hounschell
[not found] ` <838275de-6cac-93d8-ca04-54b06a24b3d4-n2QNKt385d+sTnJN9+BGXg@public.gmane.org>
2016-11-17 21:41 ` Joerg Roedel [this message]
2016-11-17 21:41 ` Joerg Roedel
[not found] ` <20161117214141.GC2078-zLv9SwRftAIdnm+yROfE0A@public.gmane.org>
2016-11-17 21:53 ` Mark Hounschell
2016-11-17 21:53 ` Mark Hounschell
[not found] ` <f4ababc2-64bf-fd0e-1d18-cb5963d23eb1-n2QNKt385d+sTnJN9+BGXg@public.gmane.org>
2016-11-17 22:00 ` Joerg Roedel
2016-11-17 22:00 ` Joerg Roedel
[not found] ` <20161117220045.GD2078-zLv9SwRftAIdnm+yROfE0A@public.gmane.org>
2016-11-18 14:04 ` Mark Hounschell
2016-11-18 14:04 ` Mark Hounschell
[not found] ` <b8260bfd-55c9-c029-1af1-e1ccc719dd3a-n2QNKt385d+sTnJN9+BGXg@public.gmane.org>
2016-11-21 15:32 ` Joerg Roedel
2016-11-21 15:32 ` Joerg Roedel
[not found] ` <20161121153250.GE2078-zLv9SwRftAIdnm+yROfE0A@public.gmane.org>
2016-11-21 21:47 ` Mark Hounschell
2016-11-21 21:47 ` Mark Hounschell
[not found] ` <4f6afa52-9634-79f4-01af-1ae047aa83f7-n2QNKt385d+sTnJN9+BGXg@public.gmane.org>
2016-11-22 8:45 ` Joerg Roedel
2016-11-22 8:45 ` Joerg Roedel
[not found] ` <20161122084522.GF2078-zLv9SwRftAIdnm+yROfE0A@public.gmane.org>
2016-11-22 19:53 ` Mark Hounschell
2016-11-22 19:53 ` Mark Hounschell
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=20161117214141.GC2078@8bytes.org \
--to=joro-zlv9swrftaidnm+yrofe0a@public.gmane.org \
--cc=iommu-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org \
--cc=linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org \
--cc=markh-n2QNKt385d+sTnJN9+BGXg@public.gmane.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 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.