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From: Joerg Roedel <joro-zLv9SwRftAIdnm+yROfE0A@public.gmane.org>
To: Andreas Hartmann <andihartmann-KuiJ5kEpwI6ELgA04lAiVw@public.gmane.org>
Cc: linux-pci <linux-pci-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
	device-mapper development
	<dm-devel-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>,
	Jens Axboe <axboe-b10kYP2dOMg@public.gmane.org>,
	iommu-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org,
	Mikulas Patocka
	<mpatocka-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>,
	Linus Torvalds
	<torvalds-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b@public.gmane.org>,
	Christoph Hellwig <hch-jcswGhMUV9g@public.gmane.org>,
	Milan Broz <mbroz-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
Subject: Re: [dm-devel] AMD-Vi IO_PAGE_FAULTs and ata3.00: failed command: READ FPDMA QUEUED errors since Linux 4.0
Date: Tue, 29 Sep 2015 17:21:01 +0200	[thread overview]
Message-ID: <20150929152100.GL3036@8bytes.org> (raw)
In-Reply-To: <55FE5740.2060701-YKS6W9RDU/w@public.gmane.org>

On Sun, Sep 20, 2015 at 08:50:40AM +0200, Andreas Hartmann wrote:
> > I would submit this bug to maintainers of AMD-Vi. They understand the 
> > hardware, so they should tell why do large I/O requests result in 
> > IO_PAGE_FAULTs.
> > 
> > It is probably bug either in AMD-Vi driver or in hardware.
> 
> Until now, I didn't hear anything from the maintainers of AMD-Vi.

What do you mean by this? I've been commenting on this issue in the
past and I thought we agreed that this is no issue of the IOMMU driver.

It it were, bisection should lead to a commit that breaks it, but there
are no commits between v3.18 and v3.19 in the AMD IOMMU driver touching
the DMA-API path.


	Joerg

  parent reply	other threads:[~2015-09-29 15:21 UTC|newest]

Thread overview: 56+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-07-28 17:40 AMD-Vi IO_PAGE_FAULTs and ata3.00: failed command: READ FPDMA QUEUED errors since Linux 4.0 Andreas Hartmann
2015-07-28 17:50 ` Mike Snitzer
2015-07-28 18:20   ` Andreas Hartmann
2015-07-28 18:58     ` Mike Snitzer
2015-07-28 19:23       ` Andreas Hartmann
2015-07-28 19:31         ` Mike Snitzer
2015-07-28 20:08           ` Andreas Hartmann
2015-07-28 21:24             ` Mike Snitzer
2015-07-29  6:17               ` [dm-devel] " Ondrej Kozina
2015-07-29  6:41                 ` Milan Broz
2015-07-29 17:23                   ` Andreas Hartmann
2015-07-30 20:30                     ` Andreas Hartmann
2015-07-31  7:23                       ` Milan Broz
2015-07-31  7:55                         ` Andreas Hartmann
2015-07-31  8:15                           ` Andreas Hartmann
2015-07-31  8:28                           ` Milan Broz
2015-07-29 10:37               ` Milan Broz
2015-07-28 18:56   ` Andreas Hartmann
2015-07-28 19:29     ` Mike Snitzer
2015-08-01 14:20       ` [dm-devel] " Andreas Hartmann
2015-08-02 13:38         ` Andreas Hartmann
2015-08-02 17:57           ` Mikulas Patocka
     [not found]             ` <alpine.LRH.2.02.1508021347480.17729-Hpncn10jQN4oNljnaZt3ZvA+iT7yCHsGwRM8/txMwJMAicBL8TP8PQ@public.gmane.org>
2015-08-02 18:48               ` Andreas Hartmann
2015-08-03  8:12                 ` Joerg Roedel
2015-08-04 14:47                   ` Mike Snitzer
2015-08-04 16:10                     ` Jeff Moyer
     [not found]                       ` <x4937zzm3uc.fsf-RRHT56Q3PSP4kTEheFKJxxDDeQx5vsVwAInAS/Ez/D0@public.gmane.org>
2015-08-04 18:11                         ` Andreas Hartmann
2015-08-07  6:04                           ` Andreas Hartmann
2015-09-20  6:50               ` [dm-devel] " Andreas Hartmann
     [not found]                 ` <55FE5740.2060701-YKS6W9RDU/w@public.gmane.org>
2015-09-29 15:21                   ` Joerg Roedel [this message]
     [not found]                     ` <20150929152100.GL3036-zLv9SwRftAIdnm+yROfE0A@public.gmane.org>
2015-09-29 15:58                       ` Mikulas Patocka
2015-09-29 16:20                         ` Joerg Roedel
     [not found]                           ` <20150929162042.GR3036-zLv9SwRftAIdnm+yROfE0A@public.gmane.org>
2015-09-30 14:52                             ` Andreas Hartmann
2015-10-06 10:13                               ` Joerg Roedel
     [not found]                                 ` <20151006101356.GE12506-zLv9SwRftAIdnm+yROfE0A@public.gmane.org>
2015-10-06 18:37                                   ` Andreas Hartmann
     [not found]                                     ` <56141507.7040103-YKS6W9RDU/w@public.gmane.org>
2015-10-07  2:57                                       ` Andreas Hartmann
     [not found]                                         ` <56148A1B.5060506-YKS6W9RDU/w@public.gmane.org>
2015-10-07 16:10                                           ` Joerg Roedel
     [not found]                                             ` <20151007161022.GI28811-zLv9SwRftAIdnm+yROfE0A@public.gmane.org>
2015-10-07 16:52                                               ` Andreas Hartmann
2015-10-08 16:39                                                 ` Joerg Roedel
     [not found]                                                   ` <20151008163957.GK28811-zLv9SwRftAIdnm+yROfE0A@public.gmane.org>
2015-10-08 18:21                                                     ` Andreas Hartmann
     [not found]                                                       ` <5616B436.1000802-YKS6W9RDU/w@public.gmane.org>
2015-10-08 19:52                                                         ` Andreas Hartmann
     [not found]                                                           ` <5616C998.1010309-YKS6W9RDU/w@public.gmane.org>
2015-10-09  5:20                                                             ` Andreas Hartmann
     [not found]                                                               ` <56174EA6.7000106-YKS6W9RDU/w@public.gmane.org>
2015-10-09  9:15                                                                 ` Andreas Hartmann
     [not found]                                                                   ` <56178599.6010807-YKS6W9RDU/w@public.gmane.org>
2015-10-09 14:59                                                                     ` Joerg Roedel
     [not found]                                                                       ` <20151009145951.GC27420-zLv9SwRftAIdnm+yROfE0A@public.gmane.org>
2015-10-09 17:46                                                                         ` Andreas Hartmann
     [not found]                                                                           ` <5617FD6E.70802-YKS6W9RDU/w@public.gmane.org>
2015-10-11 12:23                                                                             ` Andreas Hartmann
2015-10-12 12:07                                                                               ` Andreas Hartmann
2015-10-12 12:34                                                                           ` Mikulas Patocka
2015-10-07 15:40                                     ` Joerg Roedel
2015-10-07 17:02                                       ` Andreas Hartmann
2015-10-08 17:30                                         ` Joerg Roedel
     [not found]                                           ` <20151008173007.GL28811-zLv9SwRftAIdnm+yROfE0A@public.gmane.org>
2015-10-08 18:59                                             ` Andreas Hartmann
     [not found]                                               ` <5616BCF4.10104-YKS6W9RDU/w@public.gmane.org>
2015-10-08 19:47                                                 ` Andreas Hartmann
2015-10-09 10:40                                                   ` Joerg Roedel
     [not found]                                                   ` <5616C850.2000906-YKS6W9RDU/w@public.gmane.org>
2015-10-09 14:45                                                     ` [PATCH] iommu/amd: Fix NULL pointer deref on device detach " Joerg Roedel
2015-10-09 17:42                                                       ` Andreas Hartmann

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