Re: [dma-debug.c - DMA-API] exceeded overlapping … & sym53c8xx … tries to free DMA …

From: poma <pomidorabelisima-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
To: Stanislaw Gruszka <sgruszka-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
Cc: Mailing-List fedora-kernel
	<kernel-TuqUDEhatI4ANWPb/1PvSmm0pvjS0E/A@public.gmane.org>,
	Josh Boyer <jwboyer-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>,
	Chris Murphy
	<lists-zXQU9YWDTqjmlV4oE/1sFAC/G2K4zDHf@public.gmane.org>,
	Joerg Roedel <joro-zLv9SwRftAIdnm+yROfE0A@public.gmane.org>,
	Linux Kernel list
	<linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
	linux-ide-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	Alan Stern
	<stern-nwvwT67g6+6dFdvTe/nMLpVzexx5G7lz@public.gmane.org>,
	"Justin M. Forbes"
	<jforbes-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>,
	Tejun Heo <tj-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>,
	Dan Williams
	<dan.j.williams-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>,
	Gerard Roudier <groudier-fBIn7JHAfCbUKx/7vDf7Bw@public.gmane.org>
Subject: Re: [dma-debug.c - DMA-API] exceeded overlapping … & sym53c8xx … tries to free DMA …
Date: Mon, 17 Feb 2014 15:40:07 +0100	[thread overview]
Message-ID: <53021F47.5050702@gmail.com> (raw)
In-Reply-To: <52FE5E74.6000509-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>

On 14.02.2014 19:20, poma wrote:
> On 14.02.2014 10:16, Stanislaw Gruszka wrote:
>> On Fri, Feb 14, 2014 at 09:52:37AM +0100, poma wrote:
>>>
>>> Ahoy!
>>>
>>> Perhaps this is already solved, but I made the effort to test & record
>>> all of this, therefore here you are. :)
>>>
>>> https://bugzilla.redhat.com/show_bug.cgi?id=1062833
>>
>> There is patch posted for this problem
>> http://marc.info/?l=linux-kernel&m=139233546223338&w=2
>> It is under review currently, if there will be no complains it will be
>> applied.
>>
>> Stanislaw
>>
> 
> Thanks!
> I have a few questions but the weekend begins, so we'll leave it for
> later. :)
> See ya!

https://bugzilla.redhat.com/show_bug.cgi?id=1062833

IDE disk - ata_piix - dmesg - OK
https://bugzilla.redhat.com/attachment.cgi?id=864085

SATA disk - ahci - dmesg - OK
https://bugzilla.redhat.com/attachment.cgi?id=864086

SCSI disk - sym53c8xx - dmesg - OK
https://bugzilla.redhat.com/attachment.cgi?id=864087

VirtIO SCSI disk - virtio_scsi - dmesg - OK
https://bugzilla.redhat.com/attachment.cgi?id=864088

USB disk - usb_storage - dmesg - OK
https://bugzilla.redhat.com/attachment.cgi?id=864089

Test media - 'boot-fix-dma-debug-overlap-v2.iso',
http://goo.gl/UJSfVn
sha256sum:
6d6b36fdcb0a0ff662ff6a27048d6d5f35ac211c34439f75bba1d524b3507e82
boot-fix-dma-debug-overlap-v2.iso

Contains 'kernel-3.14.0-0.rc2.git4.1.fc21.x86_64'
based on Rawhide 'kernel-3.14.0-0.rc2.git4.1.fc21'
http://koji.fedoraproject.org/koji/buildinfo?buildID=498404
with the addition of Dan's 'fix-dma-debug-overlap-v2.patch'
"Fix dma debug v2: account for cachelines and read-only mappings in
overlap tracking"
http://marc.info/?l=linux-netdev&m=139233546723342&q=raw

All tests are PASSED.

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poma

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